audiotools release notes

WHat’s New

What’s New for the Studio Six Digital App Suite

AudioTools 17.15

-Added seat-to-seat test to FFT; Set octave mode, save and recall a reference test, select S-S on setup page. Max dB variation for 500Hz to 16kHz band is displayed referenced to first recalled plot

-Added VR video and photo background image display to SPL Pro

-Added option to ignore Studio Six Digital calibration database

-Added display of start of notepad text to file info page on Save/Recall

-Replaced Smaart Spectrum with in-house SoundScope VR tool with live video and photo VR with superimposed measurement data

-Removed superfluous right arrow from Save/Recall table

-Fixed possible crash in STIPA

-Fixed bug where a custom calibration for on-device mic was not saved

-Fixed an issue with iTestMic2 compensation files not downloading in some cases

-Fixed “Rate this app” link not working

-Improved general app stability

AudioTools 16.3

-Added Microphone Multiplexor

-Improved calibration file loading

-Added new iPads to calibration database

AudioTools 16.2

-Bug fixes

-Added discount option for HAA Pro for customers with all-in purchases

-WAV file import now uses a file picker, to allow importing from iCloud and other locations

-Fixed issue where SPL Graph notifications page error message on missing email field

AudioTools 16.1

-Fixed issue with iPrecisionMic and uPrecisionMic frequency issues

-Improved handling of uPrecisionMic

-Fixed Measurement Mode setting display issue

-Fixed ACU crash on launch

-Fixed SPL Meter graphics on iPhone 14 models

AudioTools 16.0

-Improved handling new iOS versions for calibration

-Added latest iOS devices to cal files

-Fixed issues with storage location of HAA project files

-Bug fixes and stability improvements

AudioTools 15.9

October 30, 2022

– Impedance plot now allows auto-range to 2000 Ohms

– Added support for accessing channels in multi-channel audio devices

– Updated 3D plot licensing

– HAA: Change mode calculation limit to 90Hz

– HAA: Added mode frequency to report

– HAA: Fixed missing data for MLP plots

– HAA: Now Saves file after each test

– HAA: Allows changing room height

AudioTools 15.8

October 3, 2022

-In-app purchases stick

AudioTools 15.7

July 8, 2022

HAA Update:

-Moved loudspeaker editor over checklist or tool on the right side of the screen

-Now allows tapping another loudspeaker to edit it

-Added message showing comments that are for internal reference only

-Fixed report image covering comment in some cases

-New checklists imported

AudioTools 15.6

June 14, 2022

-Includes New HAA home theater test modules

AudioTools 15.5

May 20, 2022

HAA Fixes and Updates

AudioTools 15.4

Mar 21, 2022

-Fixed crash on launch

AudioTools 15.3

March 18, 2022

-Selector for Mono/Balanced on Global Audio page fixed

-Smaart Spectrum large dB and Hz didn’t show on white backgrounds

-Updated MacBook detection / calibration

-Updated remote SPL logging protocol

-SPL Graph remote logging, pressing UUID button navigates to meter page in Safari

-LARSA – Increase number of miniDSP filters to 10

-LARSA – Allows export of filter text from pop-up

-LARSA – Editing default filters can’t select second one

AudioTools 15.2

February 1, 2022

-Fixed output cal reference level issues

-Fixed iAudioInterface2 issues with Amplitude Sweep

-Fix Amplitude Sweep screen rotation issues

-Amplitude Sweep locked graph custom dB values now recall

-Amplitude sweep pass/fail fixed

-Amplitude sweep now applies sweep time change immediately

-Amplitude sweep setup on iPad UI issues

-Fixed Amplitude Sweep not setting iAudioInterface2 reference level

-Improved Amplitude Sweep initial curve results

-Add THD iAudioInterface2 reference voltage option

-Added THD frequency selector

-Improved THD UI on iPad

-Fixed Line Input Level Meter bugs

-Level Meter UI fixes

-Improved Level Meter iAudioInterface2 output control operation

-Changed Colors on Transfer Function to red green blue

-iAudioInterface2 setup fixed in line input calibration

-Fixed iAudioInterface2 settings not being applied properly

-Fixed iAudioInterface2 output not starting until touching volume knob

-Made overclip indicate larger on line input calibration

-Auto detect umik by name and set approximate calibration

AudioTools 15.1

November 29, 2021

AudioTools 15.0

October 22, 2021

AudioTools 14.12

October 4, 2021

AudioTools 14.11

September 14, 2021

AudioTools 14.10

June 1, 2021

-Added: Full support for new iPad Pros

-LARSA: Fixed user latency not being applied to ETC

-Fixed: “device not in database” message shows up too many times

-Added: Device ports can be now seen on email support page Audio button

-Fixed: plugging in iPrecisionMic would disable mic comp until restart

-Fixed: Mic Compensation is not applied when source is changed in module

-Added: More custom mic compensation files

-Fixed: Make sure it can’t load cal files multiple times

AudioTools 14.9

May 10, 2021

-Fixed sweep, -dBFS, and signal issues in generators in RTA, FFT, Smaart and others

AudioTools 14.8

April 18, 2021

-Improved bluetooth performance for all modules except time-critical functions like Transfer Function, Delay Finder, and LARSA.

-Bug fixes and stability improvements

AudioTools 14.7

April 4, 2021

-LARSA:

* Improved Subwoofer Test Mode, enable on LARSA->Settings page

AudioTools 14.6

March 28, 2021

New in this update:

-Regsistration added, get priority support, sale updates, more

-LARSA:

* Added Subwoofer Test Mode, enable on LARSA->Settings page

* Fixed mic compensation calculations

* Added remote signal playback in standalone Remote Generator app

* Fixed possible crash after pressing “Waiting…” button

-ETC:

* Fixed possible crash on launch

-IR:

* Fixed possible crash on load while viewing FFT

* Recalled file name now shows on plot

-Transfer Function:

* Fixed mic compensation

* Fixed possible crash on double-tap

* Fixed UI issues if “Normalized Plots” are set to “saved”

-General:

* Updated calibration for new iPads

* Fixed UI issues on SPL Dashboard setup page

* Under the hood fixes

* Ensured iPrecisionMic will not use compensation file

AudioTools 14.5

February 24, 2021

– Fixed crash on launch for new users in 14.4

AudioTools 14.4

February 21, 2021

-Updated iTestMic2 calibration file downloads

-Automatically downloads & installs iTestMic2 calibration files

-Fixes issues with iTestMic2 calibration files not being found

-Fixed calibration file loading issues

AudioTools 14.3

January 22, 2021

Fixed SPL Meter display issues on iPhone 12 models

AudioTools 14.2

December 31, 2020

-Improved resolution of IR and LARSA waterfall plots

-Added option to display the difference between to IR plots

-Fixed issues with IR waterfall plot smoothing settings

-Added external noise file option for STIPA Pro.
Instructions:

– Record and save a 16-bit 48k mono .wav file of background noise in the Recorder module.
mixed with the incoming live audio. The noise file will loop if it is shorter than the live test.

-Fixed Smaart initial compensation file loading

-Fixed STC text, removed “dB” label
-Bug fixes and stability improvements

AudioTools 14.1

October 2, 2020

-Fixed network connection for AudioTools Wireless Link (new Apple permissions)

AudioTools 13.2

August 27, 2020

LARSA

Added External Trigger Mode; now works with Surround Generator Atmos
Replaced missing 3D plots
Added option for displaying the signal magnitude on the ETC plot

Transfer Function, Smaart Spectrum

Added option for 3dB scales on plots (instead of 5dB divisions)

General

Added support for data file access in the iOS Files app in internal mode, look for the folder in Locations->My iPhone/iPad in Files
Updated for all current iOSX devices and iOS 14

AudioTools 13.1

July 6, 2020

General

Fixed crash on launch in some iOS versions
Fixed an issue where the Recorder would save a 44.1k file as 48k sample rate
Fixed Surround Sound signal playback on iOS 13 with iAudioInterface2, but only in the Surround Generator on the Utilities page.

AudioTools 13.0

May 8, 2020

General

Fixed crash on original iPhone SE
Rebuilt app resources
Removed “Prevent in-app purchases” option
Moved Mono/Balanced control setting to Global Audio settings page

Impulse Response

Flipped 3D frequency axis labels

LARSA

Flipped 3D time axis labels

Gated Noise RT60

Now shows recalled file name

AudioTools 12.0

April 14, 2020

General

Now requires iOS 11 or later

Impulse Response, LARSA

Restored 3D plots

AudioTools 11.9

February 16, 2020

SPL Graph

Fixed Ln bug with points > 15m
Fixed Ln selected < 1.0s

Calibration

uTestMic gain settings were not applied
Could take 2 taps to exit mic calibration screen

LARSA

Filter design file select and Reference File select windows did not obey safe areas

Impulse Response

Added 3D plots back with time and frequency scales
Fixed split mode selector not updating on module load
Fix no calculations on file recall
Stability improvements

AudioTools 11.6

January 15, 2020

General

-Updated Smaart library

-Added LARSA 3D plot back in

-Added support for more iPads

-Fixed iAudioInterface2 always staying in low mic range

-Fixed possible sample rate issues in RTA

AudioTools 11.5

December 18, 2019

General

-Fixed issue with error messages not showing when recalling files. Please test save/recall in any module.

-Fixed Audio Scope not recalling traces

-Fixed pink noise output in SPL Pro in 24-bit mode

-More sample rate fixes

AudioTools 11.4

October 18, 2019

General

New:

-Added support for flash messages

-Improved frequency resolution on Smaart Peak Frequency readouts

-Fixed possible incorrect generator frequencies on some devices

-Added mic selector to Dual Traffic Light setup page

-Fixed incorrect RC calculations in RTA

-Bug fixes and stability improvements

AudioTools 11.3

November 27, 2019

General

Added support for iOS 13 (note: we do not at this time support Apple;’s dark mode, although ours is available on the Settings-General page)
Improved calibration support for iPrecisionMic

AudioTools 11.2

September 8, 2019

General

– Added debugging ID field to settings page
Bugs fixed in AudioTools Wireless
– Added remote log tracker
– Adjusted iPrecisionMic and uPrecisionMic gains for new mics
– Fixed: STC results box was too small
– Added: Support for new uPrecisionMic calibration and gain ranges
– Fixed: Changing calibration hi/low from mic selector did not stick
– Fixed: FFT size and resolution text removed from portrait mode
– Fixed: ScreenSize: background mode bug fixed
– Fixed Impedance Sweep screen resetting when saving a photo (activity indicator)

AudioTools 11.1

August 9, 2019

General

Fixed Smaart not allowing split screen on some iPhone 6+ models
Fixed crash on save in RTA, possibly other places

AudioTools 11.0

August 1, 2019

General

Improved detection of calibration files
Fixed issues with iAudioInterface2 and iTestMic2 handling
Fixed calibration system issues
Adjusted calibration and gain for uTestMic

AudioTools 10.23

June 20, 2019

General

Fixed forgetting high range setting when returning from background
Changed email sign-up landing page
Misc bug fixes

AudioTools 10.22

May 20, 2019

Improved handling of USB microphones
Removed auto-ranging from SPL Traffic Light, which was interfering with Sound Level Control
Improved STIPA Pro UI on iPad
Improved Sound Level Control algorithm
Bug fixes in STIPA unlocking

AudioTools 10.21

April 2, 2019

General

Fixed crash in IR module on iPad
Added Cinema X-Curve option to Smaart RTA
Fixed possible crashes in IR for iOS 12
Improved layout and stability of STIPA module
Removed 3D plots, these will be replaced with improved plots

AudioTools 10.20

November 19, 2018

General

Fixed forgetting high range setting when returning from background
Improved operation of Upgrade Calculator

AudioTools 10.19

October 14, 2018

General

Fixed High Range setting not being retained
Changed Balanced/Mono setting initial app default to Mono

Store

Added Upgrade Calculator, to determine the best upgrade cost to unlock all in-app purchases.
Removed Forum

Generator

Fixed frequency dropping when leaving a finger touching the dial in portrait mode
Fixed Run/Stop behavior

AudioTools 10.18

September 25, 2018

General

Fixed recalling last stored mic range.
Updated for iPhone XS Max
Fixed possible crash after using AT Wireless in 24-bit mode

SPL Graph

Now changes data format to ISO 8601 when using Remote Monitoring
Remote Monitor in-app purchase subscriptions now active

Update in-app subscriptions for SPL Graph Remote Monitoring
Fixed crash in SPL Traffic Light after running for a long time
FFT: added RPM option
Transfer Function: Added Mono/Bal switch to Delay Finder panel
TL: Added a delay before measurement starts on Receive and Ambient pages
Smaart: Now draws tick marks every second on spectrograph

AudioTools 10.17

September 17, 2018

General

Minor bug fixes

AudioTools 10.16

August 27, 2018

Surround Generator

Fixed file download issue
Fixed crashing in SPL Pro and other modules using the HDMI adapter

SPL Meter

Restored Shake to Clear function

Photo Roll Permissions

Added warning when trying to save a screen shot to photo roll if permissions are not set

LARSA

Fixed setup page not scrolling

AudioTools 10.15

July 19, 2018

General

Fixed potential crash on launch when connected to some WiFi routers that did not have access to the internet.

Generator

Improved UI on graphical generator for iPads

Impulse Response

Implemented new graphical layout for setup page

Impedance Plot

After recalling a curve, smoothing could be changed but button did not update

FFT

Slowed down SPL reading screen updates to match RTA

AudioTools 10.14

July 6, 2018

General

Moved url, on files page since the header is obscured on iOS 9
Fixed a calibration system bug that could cause some devices to read too high
Fixed an issue that caused low sample rate message after a cold app start

Transfer Function

Fixed crashes when delay time exceeded 1s

Smaart Spectrum

Fixed pause at start of measurement

LARSA

Added option to display bandwidth or Q for filter design

ACU

Fixed interaction with LARSA settings that could cause ACU not to compute levels

Impulse Response

Fixed issues with recalling saved files

SPL Meter

Switches were reversed on some iOS devices

SPL Graph

Added Remote Monitor option using subscription
Fixed setup page help screen running into status bar

AudioTools 10.13

May 1, 2018

General

Fixed iAudioInterface2 shutting off when not using audio
Fixed “new version” popup message always appearing
Moved input gain field to microphone settings page
Updated calibration help file with new gain method
Fixed user gain not being applied
HomeKit: improved reliability
Fixed HomeKit not working the first time it was accessed
Added text to Save/Recall details page saying how to get an image to export
Local files on save/recall and are now in alpha order
url page files are now in alpha order

RTA

Applied weighting to NC curves so that the calculations are corrected for curve weighting
Showing “>” for any noise measurement that exceeds the max curve

FFT

Added 3D touch option to clear all recalled plots

STIPA

Fixed STIPA on iPhone X possible calculation bugs

SPL Meter

SPL Meter, improved UI on iPad in split screen mode
Landscape graphics bugs on iphone 6/7/8

SPL Dual Traffic Light

Fixed HomeKit function

Smaart

Fixed FFT selector not working

SPL Dashboard

Added HomeKit support to Traffic Light
Changed Done button to arrow

Transfer Function

Fixed FFT selector not working

AudioTools 10.12

Mar 8, 2018

Sorry – we will fix the version notification window always appearing in the next update!

General

Fixed Photoroll permission logic error; now allows saving photos
Removed iPhone X Home Indicator in more modules
Fixed AT Wireless client not working in AudioTools

Impedance sweep

Fixed Sweep time won’t change even if text changes
Fixed issues with iAudioInterface2 not properly initializing.

Transfer Function

Settings page layout changed, scrolling added
Can’t select FFT size in setup

SPL Graph

Added weighting letter to “Leq” string in .txt file for single-filter tests

Room Treatment

Improved display of material area in m units

AudioTools 10.11

Feb 26, 2018

New! Added HomeKit integration to SPL Graph and SPL Traffic Light

General

Added HomeKit help file
Improved handling of iAudioInterface2 after sending app to background and restarting
Now shows 4 significant digits in popup generator panel dBFS field
Added AudioTools Wireless to Utility menu
Added new purchase, Unlock Everything

ETC

Fixed crash on iPad Pro 12.9″

AT Wireless

Added AudioTools Wireless option to Utility menu

Traffic Light

dB label clipping vertically
Added HomeKit integration
Improved display UI

STIPA Pro

Fixed missing information on main screen

RTA

Changed setup window to panel in iPad
Improved setup page organization
Returned graph settings to setup page

SPL Graph

Added buttons on settings page to set graph start and end from cursor position
Added red spectrum lines that show spectrum of currently zoomed graph window
Made cursor line thicker for more visibility
Added HomeKit integration tied to minimal display parameters

FFT

Generator frequency now correct at startup
Changed setup window to panel in iPad
Setup screen moves out of the way of the keyboard
Fixed Normalize control not showing correct setting
Changed L-R to L-S text in Normalize
Added title to general FFT settings section
Now >= 1dB range
Changed text strings to not wrap to 2 lines
Added missing graph settings section
Add setting for 1dB scale, between 10.0 and 60.0 dB range
Reorganized settings page

LARSA

Added Hz to biquad label
Sped up graph redraws on slower machines
Added View Filter Values option to menu
Fixed possible crash on recall file
More spacing between Hz button and stepper
Now normalizes predicted curve when Normalize is turned on
Fixed settings for selected visible graphs not being retained across runs
Added space between Done and Tone buttons
Improved filter design UI
dB scales fields for ETC and Frequency graph were swapped on setup page
Now saves results when exiting to menus, if unsaved
Fixed setup page segmented controls color in low contrast mode
Updated help screen
Added Reset Filters choice to menu
Added “Cancel” choice to menu
Increased number of filters by adding Generic 6 and 7 options to Filter Design page
Now allows moving filter editor position by touch-drag
Fixed re-activating the app could cause an unintended test to occur
Fixed app audio still running when going to background
Improved dB scale pinch-zoom gesture response
Slowed screen redraws on slower devices when editing filters

ACU

ACU, no tests were shown

SPL Dashboard

SPL Graph in dashboard was broken in octave mode

AudioTools 10.10

Jan 15, 2018

General

-Made generator popup more visible

-Updated Reference Curve help text

-Save/Recall now allows editing of auto-suggested name before saving

-Added document picker to get files from Apple file system for microphone compensation

-Fixed Files screen on Utility menu and other areas

-Added support for Apple HomeKit

-Removed low signal notification generically

-Gain override field was always grey

-Fixed possible crash on changing compensation file

Dual SPL Traffic Light

-Now supports using color light bulbs for SPL Notifications

-GUI improvements for SPL Traffic Light Notifications page and iOS Configuration page

FFT

-Changed Settings back to single window with scroll view

-Fixed generator frequency being incorrect after reboot

-Fixed window change not taking effect until next run

-Removed low signal notification

RTA

-Fixed screenshots being clipped

ETC

-Fixed clipped screenshots

AudioTools 10.9

Nov 28, 2017

Major Update- Full UI conversion to iPhone X

iOS 9 or later is required for this update. Other changes:

SPL Graph

-Changed auto-save date to 24h format

-Fixed crash when deleting Notifications

SPL Pro

-Audio processing now stops when going to background, unless Leq mode is on

Generator

-Fix operational logic bugs

AudioTools 10.8

Oct 17, 2017

General

– Input device name has been added to the header of all stored .txt files

– “Clear accessory in use flag” button on audio settings crashes

– Enabled playback through iPhone speaker by default

Generator

– Fixed GUI issues on large iPhone displays on iOS 11

FFT

– Fixed instability in EPPO mode with octave smoothing on iPad Pro 10.5

– Fixed losing EPPO mode recall in some cases

– Crashes saving txt file to iCloud

SPL Dashboard

– The spl pro (max db) is at the top overwrite the spl pro title could this be moved back down where it was

SPL Graph

– Fixed issue with recording M4A format audio files on iOS 11

– Fixed dropping last second or missing first second in data files

– Fixed Notifications not working in some cases

– Fixed possibly losing saved gmail address & password

– Fixed keyboard blocking text fields in Notifications setup page

– Fixed logic errors with saving files if incomplete email information is set

– Failed emails now cause alert message with cause

– Fixed emails failing to send

– Fixed possible crash when sending emails with a slow network connection

AudioTools 10.7

Oct 5, 2017

General

– Fixed possible crash from badly formed TextDoc

– Added Calibration Error Report link to support page

– Fixed crash on iOS 11 when saving screenshots

– Fixed crashes on iOS 8 and iOS 9

– Fixed issue with multiple Studio Six Digital apps trying to access our accessories

– Updated App Store in-app purchase accessing and authorization for iOS 11 

Live Calibration Updates

– Added cloud-based database for all iOS devices that can be updated in real time

– All devices included

– Includes local default files, in case a device has no internet connectivity

– Different databases for each major iOS version, starting with iOS 10

– New iPhones added to live calibration database

SPL Graph

– Fixed crash with warning if there was a problem with the email server, now notifiies

FFT

– Added option to set the plot crossover point to 400Hz, 1kHz, or 2kHz for Normalize mode

– Fixed possible crash when loading older FFT files

Room Treatment

– When you recall a saved file, it now recalls the room measurements.

– Added 2’ X 4’ X 2” 8 sq. feet and 2’ X 2’ X 2” 4 sq. feet fiberglas 703 ceiling panels

Transmission Loss

– Added option for US version of the ASTM 336 standard

AudioTools 10.6

Sep 3, 2017

See below, major upgrade to SPL Graph

General:

Added interruption handling added to all modules. Everything should now recover gracefully from phone calls, Siri, and other audio interruptions.
Adjusted gain for iPhone SE
Added iOS device platform to support message
Removed iTestMic calibration auto-adjust from all apps

Dual traffic light

Added the option to store/recall user presets
Added offset dB field to each traffic light setup page
Fixed landscape numbers getting crunched

RTA

Fixed: Lite+ 32Hz saving in the 63 Hz column of the .txt file.

Smaart

Aligned text fields on screen better

SPL Graph

Fixed possible crash when setting cursor in an audio file, when another was within 10s of it.
Auto-saved files no longer drift in time.
Auto-saving moved to background thread for shorter gaps between files.
Enabled 0.1s resolution for octave mode for faster iOS devices.
Added computation of graph Leq for selected time limits and weighting.
Notifications Upgrade – Major Change –
Multiple Notifications are now available, tap “Add” on the Notifications Setup page.
All notifications are checked once/second to see if any have been triggered.
Name notifications as needed.
No limits to how many you can make.
Notifications now support Day of Week masking. Allows for different notifications on different days of the week.
Time window for each notification. Specify a time window in 24-hour hh:mm format.
Ln triggers added. Set triggers based on Ln or Leq. Time means “look back n seconds for Ln level”.
Record Audio added. If this is enabled, a clip of the audio that triggered the notification will be recorded and saved locally and to iCloud or Dropbox, if enabled. The clip time will be the same as the Leq / Ln time, up to a maximum time of 30 seconds. File name format is “NyyyMMdd-HHmmss”
Email Audio file option added.
Fixed: removed 20s minimum notification lockout
Overall spl values in .txt file fixed
Leq: in top bar corrected on recall
Slight difference in blue bars and .txt file overall values corrected

Recorder

Cursor location bug fixed

Transfer Function

Fixed crash on iOS 11 when testing delay

Save/Recall

Updated help page to include iCloud and WiFi subnet match to file download info

AudioTools 10.5

Jun 20, 2017

General

-Added support for Bluetooth and AirPlay output devices

-Default audio output goes to speaker rather than receiver on iPhones-

App Store ratings panel for 10.3

-Stereo/mono state is now based on output route capabilities

-Fixed Stereo detection broken with latest update

-App functions correctly in split-screen mode on iPad

On Store page

-Now sends users to product page for their country

Surround Generator

-Fixed downloads

-Fixed output on Surround Generator page

Dual Traffic Light

-Moved time display to center bottom

AudioTools 10.4

Jun 8, 2017

ACU

-Added new module, Audio Coverage Uniformity

AudioTools 10.3

May 22, 2017

General

-Fixed Audio Input Files processing in 24-bit mode

-Added showing file name of playing audio file

-Upgraded audio processing and input device handling

-Better identification of external devices

-Device change information handled during calibration list

-Improved handling of changing devices while a module is running

-Pop-up generator now includes an output level control

Reference Files

-Improved interpretation of reference and frequency compensation curve files

-Frequencies less than that of the first value in file are now set to 0.0

Save / Recall

-Updated auto-save naming settings screen, accessed from mini-menu on Save/Recall page

-Added an option for Date and Time based file name, which does not use a sequence number

FFT

-Fixed, was always in 24-bit mode

-Fixed, after using audio file playback, save /recall would not work

-Added recall to live file name to plot

-Fixed, in compare mode, recall live plot, double tap, crash

-Adjust graph to match frequency scale

RTA

-Improved frequency parsing of reference curve files to match bands

Smaart

-Improved selection of plot types

-Added an option to display the current date and time on the screen

-Added an option to take screenshots automatically, with the interval defined on the settings page

Transfer Function

-Fixed Delay Finder on iPad and Plus size iPhones

-Fixed graph type controls on Plus size iPhones

-Changed iPhone 6/7Plus to single screen mode from split screen

Smaart, FFT, RTA, SPL Graph

-Fixed issue where recalled file name would not remain on the screen

SPL Graph

-Audio file playback now working properly

SPL Dashboard

-Added Slow current SPL to large Traffic Light screen

Gated Noise RT60

-Added Mono/Balanced control to setup page

-Added overall decay time with Z/A/C weighting

-Added generator level control to setup page

Transmission Loss

-Added generator level control to setup page

Amplitude Sweep

-Now stores to photo roll with white background

Scheduler

-Fixed: Delete files could crash without deleting the file

AudioTools 10.2

Apr 3, 2017

General

-Now always showing email support option on menu whether or not email is enabled on the device, with a warning message on the support page if email is not available

iCloud

-Added Transmission Loss to file migration process

-Fixed Room Treatment and LARSA files possibly not fully migrating

FFT

-Fixed EPPO and Low FFT mode level shifts in portrait/landscape

-Added “Recall File to Live Plot” option on Save/Recall mini-menu

-Updated help file

-Fixed some iOS devices (including iPhone 7) not changing to low SR for Low Mode

-Improved handling of SR changes for various input devices

-Improved Low Mode resolution for iTestMic, iPrecisionMic, and iAudioInterface2, and generic USB audio devices

NOTE: iOS provides better LF performance below 15Hz for 8KHz SR

Smaart

-Changed graph color to white for live RTA Line + spectrograph mode

-Restricted graph types in log/lin mode, and added a warning message

AudioTools 10.1

Mar 15, 2017

Dosimeter

-Added activity indicator when running

-Added date and time to data file

-Added Dose % to minute data in CSV file

-Improved data file column heading labels

-Fixed SPL peak value in .txt file array not following SPL Meter filter

-Made minute array SPL labels dynamic to follow settings

General

-Added date and time of file save to all CSV files

-Added app MFi accessory collision avoidance

-Removed an unused iCloud internal path

Store

-In-app purchases now show price without showing the “Buy” panel, to prevent inadvertent purchases

-Restore in-app purchase error causes shown in dialog box

AudioTools 10.0

Mar 6, 2017

Dosimeter Module

–Added new module. Measures noise exposure over time to several standards.

Gated Noise RT60

-Added screenshots

Transmission Loss

-Now supports screenshots

-Added live NC value to Receiving Room screen

FFT

-Normalization curve matching point moved to 2kHz

-Fixed compensation handling on rotate

-Improved error message when recalling a file that was stored with a sample rate different than the one in effect currently.

SPL Graph

-Now saving the graph image using the button on the screen or when autosaved also includes the cursor and cursor’s octave or 1/3 octave plot if present.

Store

-Fixed in-app Gated Noise buy issue

-Fixed Restore Purchases issue

-Minimum iOS version now 8.0

Other Items

-Added support for iTestMic2 frequency calibration files

-iCloud bug fixes

-Added file storage method description to support email information

AudioTools 9.9

Jan 30, 2017

Transmission Loss

-New module added! More information here.

-Removed partial Transmission Loss from RTA Setup page

SPL Dashboard

-Improved large display option for SPL Traffic Light

Gated Noise RT60

– iCloud file migration fixed

– Now included in All-In in app purchase

STIPA Pro

– Added Overall LEQ SPL to STIPA data file

– Changed test number in data file to match the screen

AudioTools 9.8

Gated Noise RT60

-New module added!

Room Correction

-Fixed crash on test start

AudioTools 9.7

Support Menu

-Changed Restore Purchases module to AudioTools Store

-Added new option for “Unlock All Modules” in-app purchase (this does not function for beta testing)

AudioTools 9.6

Calibration

– Added support for iPhone 7 and 7 Plus

AudioTools 9.5

Surround Generator

– Fixed Surround Signals looping on Apple HDMI adapter

-Fixed bugs in Surround Signal playback in modules

-Fixed Surround Signal not ending when exiting modules

-Fixed Surround Signal logic bugs in Surround Generator

-Changed Surround Generator screen background color

SPL Graph

– Possible fix for incorrect file lengths with hourly syncing.

AudioTools 9.4

SPL Graph

-Added file processing to SPL Graph. This is intended for use by dropping wave files into the SPL Graph public folder. These files are then used as the audio source

-Fixed SPL Graph running Leq on minimal display

-If auto-save is turned on, when a test is stopped it will also be automatically autosaved.

Audio File Processing

-Initial implementation of audio file processing. Available in fft, rta, Smaart. To use, first save Ann audio wave file in SPL graph, then go to the Input Source page from fft settings, tap Select File on the bottom and choose the file. It will now process in the Main screen, looping, playing just as it was recorded. The slider can be used to change the file position.

AudioTools 9.3

SPL Graph

– Enabled portrait mode on iPhone 6Plus

-Fixed SPL graph minimal mode running LEQ

-Enabled landscape mode for iPhone6plus SPL graph

-Added SPL graph redraw screen on iPhone 6s rotate

Calibration

-Fixed iPhoneSE dB too high SPL readings

-Fixed iPhone SE display bugs in SPL Meter and others

-Added link to Studio Six Digital in-app restore help page to Support Restore page

SPL Dashboard

-Fixed SPL Dashboard Traffic Light large display

AudioTools 9.2

SPL Graph

– Fixed an issue where audio recording could stop after 10 seconds

– Fixed Leq mode in minimal display

– Fixed Leq mode not being saved/recalled

– Changed color of V icon depending on device battery charge state

Dual SPL Traffic Light

– Fixed colors of images in setup on some devices.

RTA

– Added Limit band display for NC and other curves

Smaart

– Put text on graph in white & black to show up better on dark spectrograph

AudioTools 9.1

iOS 9.3 is recommended for this release.

In-App Purchases

-Fixed an issue that was causing “Receipt Verification” errors.

Audio System

-Fixed an issue that was causing issues with external microphones when plugged into the headset jack while the calibration window was open.

Demo Videos

-Updated several demo videos.

AudioTools 9.0

Dual SPL Traffic Light

– Added new dual SPL monitor with email notifications

Impulse Response

– Fixed issue where selectors would not function after selecting first option.

SPL Graph

– Added option on minimal display for Fast or Slow SPL

– Added option on minimal display to show SPL value on main screen

– Changed file name extension for LAeq 50ms file to “.text”

– Now also emails LAeq 50ms files if option is turned on

AudioTools 8.9

SPL Meter

– Added option on iPad to select large or small meter graphics. Use small graphics if you are using Slide Over multi-tasking. Slide Over and Split View allow you to run AudioTools multi-tasking, side-by-side with another app.

Audio System

– Added option to allow mixing audio with other apps on Global Audio Settings, under Settings-General. Note that iOS does not support audio running in both apps in Split View unless you enable Allow Audio Mixing with Others.

SPL Graph

– Updated SPL Graph demo video.

– SPL Graph now resets video window location when double-tapping on the screen.

In-App Purchases

Fixed Restore Purchases from menu.

AudioTools 8.8

Split Screen Multi-tasking Added

– Added support for Slide Over and Split Screen for late-model iPads. To use this, start AudioTools, and then swipe from the right edge of the screen. A bar will appear with other iOS apps that you can choose from. Now touch the border between AudioTools and the other iOS app, and a handle will appear. Continue to swipe left, and the screen will split and both apps will be running at the same time.

SPL Dashboard

– Fixed crash on exit.

Save/Recall

– Now flagging illegal or improper file names with “.” characters in the name.

FFT

– Recalling old files, all could be shifted +7 dB.

– Mic compensation is now embedded into saved files so that it always comes back correctly.

– Recalling old files that had compensation off were use compensation for local device, now remains off.

AudioTools 8.7

iOS 9.3 is recommended for this release.

Recorder

– Export now works for audio file that was saved in the Recorder.

Audio system

– Fixes for external headset mics not reading correctly.

Settings

– Improved General Settings page user interface and formatting.

– Added a new Global Audio Settings page, accessed from General Settings page.

– Added an option to override the high range gain for the internal or headset mic.

Save / Recall

– Improved the mini sub-menu on Save/Recall screen.

FFT

– Fixed an error where the initial point of the microphone compensation could be incorrect (applies to newly stored files)

– Recalled files now always show the microphone compensation that was in effect when they were saved.

AudioTools 8.6

Updated for iOS 9.3.

– New calibrations loaded for all iPads.

Save/Recall Updates

– New! Auto-save file name options are now available from the Save/Recall screen mini-menu. Tap the icon with 3 lines to access the auto-save options page.

– New! Added auto-save Name List to store frequently-used file names.

– Fixed auto-save sequence numbers resetting after app relaunches.

– Fixed case where files may not be saved when using auto-save immediately after Delete All Files.

– Fixed possible crash if action buttons were tapped with no file name selected.

– Improved auto-save naming.

Audio System

– Now always uses 24-bit audio mode if iPrecisionMic is present.

– Fixed an issue where internal mic gain could change coming out of the background

Support Menu

– Fixed Forum page access.

– Fixed “Rate This App” access.

– Fixed access to other Studio Six Digital webpages

– Improved referral screen layout.

SPL Graph Updates

– Added 24-bit audio support. (24-bit must be enabled on General Settings page, or using iPrecisionMic)

– Fixed volume slider range to be 30 dB.

– Fixed an issue where the first A/C/Z data point could be too high in octave logging mode.

– Fixed an issue where some files would not recall

– Fixed mic compensation not recalling correctly for files saved on another device

– Improved cursor display

– See auto-save fixes above.

AudioTools 8.5

iPrecisionMic, iTestMic, iAudioInterface2:

-Fixed accessory communications bugs when accessory attaches while app is in the background.

iPrecisionMic

-Now uses actual device name when saying “Disconnected” or “Connected”.

SPL Graph & SPL Dashboard:

-Fixed 1 minute resolution selection not being available in octave mode.

SPL Traffic Light:

-Fixed number alignment on iPad Pro.

-Fixed selection picker on setup page.

Smaart:

-Disabled non-working graph options for Log mode.

Audio System on iPad:

-Now trapping audio system bugs with low level and showing warning.

FFT:

-Fixed microphone compensation not being applied correctly to recalled graphs after rotating device.

AudioTools 8.4

Measurement Mode Bug

-Fixed measurement mode bug introduced in 8.3.

AudioTools 8.3

Projects

-Added the concept of a “Project” (iOS 9.0 or later required). Projects setup is accessed from the Settings menu, and are specified by selecting one of your iOS contacts. You can also select a card to be used for your Company information. If you turn on the switches, this information will also be shown on the reports.

SPL Graph

-Added indicator to show if the iOS device is being charged. If it is, +V appears in green on the top bar.

-Added ‘Z’ to flat Leq designation, like LZeq.

-Added display of A/C/Z bars in octave or 1/3 octave logging.

-Fixed Notification time to show current time, not start of test.

-Fixed SPL Dashboard overall Leq issues.

Microphone Calibration

-Added button to store a log of the current calibration data and SPL reading.

Transfer Function

-Fixed reference curve smoothing not following selection of transfer function smoothing.

AudioTools 8.1

General

-Improved calibration for many devices.

-Fixed possible file name bug on autosave.

-Various minor bug fixes.

SPL Graph

-Added Leq / Fast / Slow detector to Ln calculations

FFT

-Fixed intermittent graph freezing for iPads laying flat or being bumped.

–Fixed freezing when changing audio route with FFT running, includes plugging in iTestMic or iPrecisionMic.

SPL Pro

-Fixed an issue where audio source calibration would not update if audio device was changed while SPL Pro was active.

AudioTools 8.0

General

– Updated all calibrations for iOS 9.1

– Added iPad Pro support

– Fixed Studio Six Digital web site access

– Fixed iOS instability issues

SPL Graph

– Added 50msLAeq output option. This file is saved with the extension “.rtf”.

– Fixed memory usage issues.

AudioTools 7.9

iCloud Support

We now fully support Apple iCloud. This means that is you enable this option, all of the data files will be stored on the cloud, and will be available on all of your devices running AudioTools. We recommend switching to iCloud from Dropbox, as Dropbox support will be removed in a future version of AudioTools. More here:

AudioTools now supports iCloud.

SPL Graph Video Capture Option

We have added the ability to record a video of the SPL Graph test. This is an option, available for in-app purchase. More here, including the demo video:

SPL Graph Video Capture Option.

AudioTools 7.8

Major changes to Dropbox Support

This update requires that you relink to your Dropbox

– Location of Dropbox files are now at the top Dropbox level, under a folder named “StudioSixDigital”. All apps using the new Dropbox scheme will use this starting folder, so all SPL Graph files, for example, will accumulate under the same folder name.

– Beneath the “StudioSixDigital” folder are the “internal” and “public” folders. These hold the same files before.

– All folders are now shareable, like any other Dropbox folder* The “.bin” files are renamed with the extension “.xdf” in Dropbox, due to limitations on the number extensions we can store. If these files are to be imported into AudioTools, they must be renamed back to the .bin extension.

– Updated all modules for showing a screen name if set on Save/Recall page

SPL Graph

– Added option on auto-save setup screen to send test email using gmail credentials

– Fixed Leq numbers on screen not matching stored values in files

– Fixed not sending emails if screen shot was turned on

– Fixed CPU overload and crash with Ln and Octave logging on after 8 hours

– Sped up file saving time 10X

AudioTools 7.7

LARSA Filter Design Option

– Create digital filters for DSP processors

– Correct loudspeaker response for room modes

– Use automatic filter creation or edit them manually

– See the predicted curve response in real time as you change filters

SPL Graph

– Fixed label visibility in dark plot mode

– Fixed screen layout on some devices

– Fixed audio files not deleting with main file

– Added ability to save screenshots locally and to Dropbox

Smaart

– Fixed spectrograph zooming

– Fixed log scales issues

FFT

– Audio could play through for a short time when starting FFT module

General

– Added ISO time option in General Settings

– Added option to copy binary internal format files to Dropbox

Delay Finder

– Updated module with bug fixes and UI improvements

Transfer Function

– Fixed Generator not turning off on iPad after running Delay Finder

– Added Reset button to Delay Finder to clear all offsets and latency values

– Fixed delay field not updating on iPad after changing in Delay Finder

AudioTools 7.6

SPL Graph:

Added: Ln statistical calculations per data point

Added: L01 and L95 calculations

Added: Choices for Z/A/C Ln statistics in octave logging

Changed: Increased Ln calculations to 0.1 sec sampling

Changed: Improved Leq Time Sync

Fixed: Corrected SPL Dashboard graph

LARSA:

Added: Cumulative Spectral Display (waterfall plot)

Added: “Expand Plot to Full Screen” button

iAudioInterface2, iPrecisionMic, iTestMic:

Fixed: Improved device connection after sleep / wake.

AudioTools 7.5

Internationalization:

Updated: Support for German.

Polarity:

Added: Balanced/Mono output control and help text.

Delay Calculator:

Added: Samples calculation.

Recorder, ETC, LARSA, SPL Graph:

Fixed: Crashing on devices running iOS 6.

AudioTools 7.4

Internationalization:

Added: Support for German, French, Japanese, and Chinese (simplified). Initial translation is for the AudioTools app only, the help screens will be updated at a later time.

Added: Added an option on the General->Settings page to force the language to English in case that is preferred.

LARSA:

Added: Surround 5.1 signal support

Fixed: Plot windows scrolling on start.

Calibrations:

Fixed: For USB audio devices such as UMIK, now plugging in a headset connector does not change the input audio path.

SPL Graph:

Added: Leq Sync option. Now measurements can be synced to even wall clock times matching Leq resolution.

Added: Changed time fields to hh:mm:ss format for added clarity.

Fixed: Red plot line now properly follows selected 1/3 octave filter.

Fixed: Possible crash on save for 1/3 octave mode.

Fixed: Text on 1/3 octave picker

Fixed: Possible crash on entering the module, depending on previous module.

Fixed: Removed iPhone 4 from Octave logging capable due to processor limitations.

SPL Dashboard:
Fixed: It was possible to get low readings on SPL Meter depending on filter selections.

AudioTools 7.3.15

Note on calibrations:

Some calibrations were not created correctly for USB audio devices. Also, USB Device names are added when the entry is corrected. We suggest recreating your USB device calibrations by selecting “Delete All” or by swiping across the calibration entry to force it to be recreated.

Calibration:

Updated: Mic compensation update for iPhone 6 and iPhone 6 Plus.

LARSA:

Added: Option to manually set the ETC window times.

Fixed: Graph dimensions were not being saved.

Impulse Response:

Fixed: Possible crash after Save, Measure, Save.

Generator:

Fixed: Volume Slider was difficult to move on larger iPhone screens.

SPL Graph:
Added: Option for simple SPL Traffic Light type view. See new option on the settings page called “Minimal Display”. Set your parameters, then tap the “123” button on the main graph to enable it.

AudioTools 7.3.14

General:

Updated: SPL calibration has been updated for all iOS devices to fix changes resulting from iOS 8.

Added: Option to erase all settings. Use this if something is crashing in the app. It will preserve your data files, but reset all of the settings to the defaults.

Added: Global 24-bit option

Changed: Replaced rolling picker with popover for most SPL and Acoustics modules main screens

LARSA:

Added: Option to normalize all plots so that as you take measurements around the room the magnitude traces will stay aligned.

Added: Plot option menu, with choices to hide/show the test, or to delete the test.

Fixed: Small variations in test-to-test level

Fixed: Label GUI issues

Fixed: Landscape mode plot issues

Fixed: Updating bal/mono label after changes

Fixed: minor GUI issues

Smaart:

Fixed: Enabled split screen for Smaart on iPhone 6 Plus (again)

Added: 24-bit option (set on General->Settings page in app)

Transfer Function:

Added: 24-bit option (set on General->Settings page in app)

FFT:

Fixed: Recalled graphs were sometimes not smoothed

RTA:
Fixed: Screenshot was 1/4 size

Files Utility:

Fixed: Swipe to delete was broken

Fixed: Screen did not always refresh

AudioTools 7.3.12

New Module – LARSA:

Loudspeaker And Room System Analyzer

Use a sine sweep test signal to accurately measure the frequency response of speakers in the room. Makes response correction easy, improves system sound and performance.

General:

Fixed: iPad Air 2 and iPad mini audio issues

Added: Option for audio input gain mode settings

Fixed: iPhone 6 zoomed mode in SPL Meter

AudioTools 7.3.11

General:

Fixed: Editing text fields for several modules would cause screen GUI issues. Includes Level Test, Impedance Test, SPL Dashboard Setup, and others.

Fixed: Contains memory usage fixes, and fixes to SPL Graph, as well as iOS 8 final fixes

Fixed: Keyboard would show suggestions for text input, which covered fields. Several locations.

Calibration:

Fixed: Create a new mic cal, delete it, crash.

RTA:

Fixed: RTA processing in 24-bit mode, issues with stability of bars.

SPL Dashboard:

Fixed: GUI Issues with SPL Meter

Smaart:

Fixed: Crash on 4” and 4.7” iPhone screens

Fixed: Graph scale jumping on 4” and 4.7” screens

Impedance Sweep:

Fixed: Crash / missing screen issue

SPL Graph:

Reduced: Memory use when auto-saving, emailing, and saving to Dropbox

Fixed: An issue with the “save image” setting not working** Fixed crash in SPL graph

Change: To reduce SPL Graph email memory usage

Change: To send both the data file and the screenshot in the same email. This should avoid the issue that was causing crashes when saving and sending both emails.

FFT:

Fixed: FFT crash if linear graph were selected

Added: option for thin/thick FFT lines.

Recorder:
Fixed: Line was not drawn and files were not saved.

AudioTools 7.3.3

General:
Fixed: Editing any text field that needs to move from under the keyboard would cause the display to shift the wrong direction. Most but not all instances of this issue are corrected.

Fixed: Memory leaks, several modules.

SPL Graph:
Fixed: Possible crash when email screenshots. Now both the data file and image file are attached to one email.

Fixed: Reduced memory growth when auto-saving, emailing or using Dropbox.

Impedance Plot:
Fixed: UI issues on iOS 8

NOTE: Audio issues remain with iPad mini, iPad mini retina, and iPad 4, where the input level is clipping at lower levels than it should. This will be fixed in the next update, which will follow this update immediately. This version does not make the problem worse, but it does not help it either.

AudioTools 7.3

iPad 2, iPad 3, iPad 4, iPad mini:

Fixed: Microphone level was too low.

iPhone6, iPhone 6 Plus:
Added: Native support for these screens.

FFT:
Fixed: Crashes on iPhone 4, iPhone 4S

AudioTools 7.2.20

Room Treatment:

Added: New module added to Design menu.

Smaart Spectrum:

Fixed: Could crash after running 20-30 minutes.

Calibration:

Fixed: Improved displayed names on modules.

Fixed: Deleting the only available calibration could cause improper entrees.

AudioTools 7.2

Warning: Smaart Spectrum can crash after 20-30 minutes of in this release. A new update is coming soon to correct this.

Calibration:

Upgraded: New calibration system installed with support for multiple iOS mics. Headset mic calibrations are now stored separately from the internal mic. This allows having different calibration settings for headset mics and the internal mic. Also, iAudioInterface2 and iTestMic are recognized by their serial number, so you can calibrate several interfaces and the app will use the correct calibrations for the device.

Save/Recall:

Upgraded: Logic improvements and now allow > 100 autosave file names.

STIPA:

Added: Auto-test and quick-save modes allow for quicker field testing of multiple locations.

Calibration:

Fixed: Ln calculations were sometimes not appearing.

Fixed: Screen shot capture now works correctly.

Generator:

Upgraded: Generator output is now gated with run/pause on modules that have a pop-up generator. This affects RTA, FFT, Smaart, and Transfer Function.

Added: On iPhone, added continuous sweep button.

RTA:

Fixed: X-Curve could move off screen when zooming the dB scale.

FFT:

Fixed: On Setup page, editing graph limits could cause screen to get stuck scrolled off the top.

AudioTools 7.1

SPL Traffic Light:

Added: New choice for 125Hz Octave Band.

FFT:
Fixed: Will not recall FFT files saved in EPPO mode.

Changed: Graphics now follow contrast mode

GUI:

Added: New feature to set plot colors. Go to Settings-General, and tap the Color Picker button.

AudioTools 7.0

GUI:
Added: New feature to set plot colors. Go to Settings-General, and tap the Color Picker button.

Generator:

Fixed: Audio output was going to receiver rather than speaker on iPhone.

Impulse Response:

Added: Undo for ETC trim. Works even if file is closed and reopened.

Transfer Function, Smaart Spectrum:

Added: Feature to save Average plot. To do this, recall several plots, turn on Average Plots, disable audio input on the Input Sources page, and open Save / Recall and store the new plot. The average curve will be saved.

Smaart Spectrum:

Added: A & C weighting options for plots

Fixed: Plot bars were not visible in some cases.

Changed: Default plot color changed to blue. See new feature above for changing plot colors globally.

Scope:

Added: Mic range control added when iAudioInterface2 is present.

Fixed: Some fields were not visible in normal contrast mode.

SPL Graph:

Fixed: Some settings were not correctly displayed on Setup page.

AudioTools 6.9

Bug Fixes:

iPad Mini Retina

Added support for this device. Corrects bugs in SPL Meter (dashboard) and supports faster processor.

Impulse Response:

Fixed: Improved vertical / horizontal swipe detection

Fixed: Clearing recalled graphs also removes cursors

Fixed: Zoom and edit of ETC, FFT, and other plots was slow.

Fixed: Replace missing demo and support videos.

New Features:

Smaart Spectrum, Transfer Function:

Added: Ability to recall multiple plots, in different colors.

Added: Average mode for multiple plots.

Added: Full difference mode support.

Added: Normalization of live or recalled traces.

SPL Graph:
Added: Option to store screen shot at autosave.

Changed: User gmail credentials required for all background emails.

AudioTools 6.8

Bug Fixes:

Transfer Function

Fixed: delay on iOS loopback mode, phase plot is now correct.

Fixed: System Latency setting

Pop-up Generator

Fixed: Surround signal labels were wrong, and All selector was missing

SPL Graph

Fixed: Octave spectrum as selected by cursor was not correct if more than 1s/point

Fixed: LEQ was not saved to XLS file if Ln were turned off

Generator

Fixed: Possible crash on start

New Features:

Impulse Response

Added: 3D data to XLS file

SPL Graph

Added: Options for 1, 5, and 15 minutes per graph point

FFT

Added: Option to show musical note on cursor and peak frequency

SPL Dashboard

Added: Option to remove SPL Meter from display

AudioTools 6.7

New Option:

Added: Scheduler option added to Settings menu. Scheduler can be used to run a group of measurements sequentially, automatically. Results are stored as the tasks run, using a common name format. Also supports surround signal tests.

General Fixes and Updates:

Fixed: Bug where Save/Recall and other screens could load increasingly slower as the app is used.

Improved: Updated pop-Generator in RTA, FFT, Impulse Response, Smaart, and Transfer Function. NOTE: See our FAQ page for info about an error in 5.1 signal labeling.

Improved: Setup screens on iPad for RTA, FFT, Impulse Response, Smaart, Transfer Function.

Fixed: Bug where browser file transfer could cease to work after app was in the background (if option to keep web browser running was turned on in Setup).

Transfer Function:

Added: Now runs on an iOS device with the internal mic or a dock mic, by looping the signal generator back for the Reference Signal. Make sure to set “Device Latency” when using this feature.

Fixed: possible Delay Finder bugs.

Reference Curve:

Added: Reference Curve option added to Impulse Response, Smaart, and Transfer Function. Buying this option once unlocks it in all modules that it is available in.

STIPA:

Added: Support for AudioTools Wireless

Impulse Response:

Fixed: Crashes on recalling stored files or recording a new IR.

Fixed: After recording, red bar could appear on device.

Fixed: FFT plot issue where graph could move when zooming frequency axis.

Fixed: Sometimes an FFT would fail to recompute when a stored plot was loaded.

Fixed: Triple-tap did not take reference time of window into account.

Smaart:

Fixed: Cursor could not go to highest frequency in some banding settings

Fixed: Recalling a file where the FFT size did not match the current size was not correct.

RTA:

Added: Sweep generator added to generator pop-up.

FFT:

Fixed: Plot frequency errors after rotation on iPad.

AudioTools 6.6

Wireless Support:

Added: Support for AudioTools Wireless app communications for receiving digital audio and controller a remote generator over WiFi. See new “Link” button on Input Source select screen.

Impulse Response:

Fixed: Crashes when recalling more than one saved IR.

Fixed: Missing 1-2 selector on Waterfall plots.

Fixed: Waterfall was not working on Impulse plots.

Fixed: If Waterfall was on the bottom, top mode button was incorrect.

SPL Traffic Light:

Fixed: -1000 could show before readings were valid. Now blank in this condition.

Fixed: Time selector said “4” instead of “3”.

AudioTools 6.5

Fixed: If Waterfall was on the bottom, top mode button was incorrect.

Impulse Response:

Added: 3D Waterfall graphs. See the updated Info page for Impulse Response.

SPL Traffic Light:

Added: 32 + 63Hz filter option, which covers the width of both 32Hz and 63Hz octave band filters.

Added: New option to select LEQ behavior to start a new LEQ or continue with last xx:xx time at end of LEQ time period.

Fixed: Sometimes settings were not stored on SPL Dashboard.

FFT:

Added: Sometimes graph tick lines would not appear.

Transfer Function:

Fixed: Coherence blanking on magnitude trace was not working correctly.

General:

Added: Mic description now includes 48V on/off for iAudioInterface2.

AudioTools 6.4

Impulse Response:

Added: Windowing to ETC. Gated windows may now be added, see help screen (available from setup) for full details.

Added: FFT pan and zoom added. Also added fields on setup to set graph scales.

Added: FFT Sum option. An FFT is created that is the arithmetic dB sum of two IRs that are on the screen.

Added: ETC and Impulse plots may be zoomed down to the single sample.

Added: Reference Curves are now also available in Impulse Response.

Added: Triple-tap to zoom to current windowed ETC.

Fixed: C50 & C80 computation could freeze app.

Fixed: Dropbox import now working from Setup screen.

Fixed: Bug in correction curve frequencies corrected.

Transfer Function:

Added: Baseline time delay option. When set, subsequent measurements delays can be shown relative to this time.

Fixed: Possible crash on delay finder.

FFT:

Fixed: If low frequency range is selected at start, no plot would appear.

Smaart Spectrum:

Fixed: FFT update speed improved.

Fixed: dB ranges could change going into setup.

Fixed: Now cursor may be dragged off screen to the left.

Reference Curves:

Added: Reference Curves are now also available in Impulse Response.

Fixed: Bug in correction curve frequencies corrected.

AudioTools 6.3

Reference Curves:

Fixed: Recalling a reference curve could change the mic compensation in effect

Added: Import reference curves from Dropbox

Save / Recall:

Fixed: Sometimes first file in browse picker would not be recalled unless the picker was moved.

SPL Graph:
Fixed: Playing audio after recalling an SPL Graph file with a different audio type than current would not work.

Added: Volume boost slider on setup page, to increase volume of playback.

Mic Calibration:
Added: Files may be imported from Dropbox.

Impulse Response:

Added: Increased Impulse recording time to 100 seconds to allow for more recording cases.

Added: Import IR from Dropbox feature.

Smaart Spectrum:

Fixed: FFT updates were running choppy in some cases.

Fixed: Bug where an extra decay picker might appear.

Fixed: Possible crash when saving in Peak Hold mode.