What’s New

What's New for the Studio Six Digital App Suite


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AudioTools 10.2


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


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


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


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

ChangedReplaced 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.

Added: Setup fields for screen graph scales.


FFT:

Added: Setup fields for screen graph scales.


RTA:

Added: Setup fields for screen graph scales.


Transfer Function:

Added: Setup fields for screen graph scales.


Amplitude Sweep:

Added: Setup fields for screen graph scales.


AudioTools 6.2


Calibration:

Updated:  All calibration SPL and compensation curves were updated for all new Apple devices, such as iPhone 5S and iPad Air, and also all older devices were checked and adjusted if needed.


Smaart Spectrum:

Fixed: FFT updates were running too slowly causing a choppy display.


In-App Purchases:
Added: Button to restore purchase was added to the pop-up that appears when you tap the un-purchased module.


AudioTools 6.1


General:

New: Now you can select between a new, bright theme, similar to iOS 7. Just go to Settings->General in the app, and turn on High Contrast Mode for the bright white screens, or turn it off for the dark theme.


New: Built for iOS 7.


New: Retina graphics implemented on all graph screens.


New: Updated mic calibration for iPhone 5, 5C, and 5S.


RTA:
New: Improved frame rate on older devices.

Fixed: Mic compensation was not being added to recalled files.


Smaart Spectrum:
New: Improved graphics update speed.


Amplitude Sweep:
New: Now includes graph scale fields on the setup page. These work even if the graph is locked.


Impulse Response:
New: Added T20 measurement and graph screen.


Calibration:

New: Added mic calibration import / export for iAudioInterface2.

Improved mic calibration screen operation.


Reference Curves:

New: Added the ability to use any store file as a graph reference file.

Fixed: Reference files were inverted on the screen.


FFT:

New: Added % overlap on setup page.

New: Added resolution display on setup and main pages.
Fixed: "Set as screen title" now works correctly.

Fixed: Mic compensation was not being added to recalled files.


SPL Graph:
Fixed: Mic compensation was not being added to recalled files.

Fixed: Data points were not saving in Dropbox file.


Impedance:
Fixed: Generator now always starts in sine mode.



AudioTools 6.0


Smaart: 

Fixed: Frame rate now back to normal for smooth updates.


SPL Graph:

Fixed: Second by second data points now being saved in XLS files.


RTA, FFT, Others:

Fixed: Mic compensation curve now applied to recalled files (was broken in 5.8).


FFT:

Added: Now shows FFT resolution in Hz on the setup screen, and the main graph.

Added: FFT % Overlap control added on setup page. Higher overlaps make for smoother, more stable graphs that have better recognition of tonal components, while lower overlaps will find transient components better.


Calibration:
Fixed: Changing a name or description on iPad and exiting the page without hitting done now saves the new name / description change.


AudioTools 5.9


General: 

Fixed: Crash on launch when running any iOS version earlier than 6.0.


Calibration: 

Added: Export / Import of microphone calibration files when using iAudioInterface2.


RTA: 

Fixed: Problem in the RC noise curve overlay

Added: Adds N, R, V and H (Normal, Rumble, Vibration, and Hiss) indication.


AudioTools 5.8


WARNINGBuild error causing crash on launch on iOS earlier than 6. Update to 5.9.


General:

Dropbox: Added Dropbox support (free)

Reference Curves: Added Reference Curve option in RTA, FFT, Amplitude Sweep, and Impedance Sweep.


Smaart: 

Fixed: Changing Spectrograph speed no longer causes choppy display

Fixed: Double-tapping screen could show white spectrograph


iAudioInterface2:

Fixed: Removing device no longer shows "iTestMic Removed"


RTA

Added: Peak Decay bars option


AudioTools 5.7


General:

XLS Files: Added AudioTools version number to header of all files.

Autosave: Naming bugs fixed

FixedFRD Files: 20kHz offset value ignored.

FixedGenerator: (All) Generator is distorted after waking from background


Smaart:

Added: dB levels on spectrograph limit lines

Fixed: dB levels different compared to RTA for line input with iAudioInterface2

Fixed Could not select iAudioInterface low or high line in gain range


Amplitude Sweep: 

FixedGenerator gets stuck on.


FFT:

Fixed: GPS coordinates not always saved.


RTA:

Fixed: GPS coordinates not always saved.


ETC:
Added
: Quick save not operational.


SPL Graph:

Added: Quick save not operational.

Fixed: dB levels different compared to RTA for line input with iAudioInterface2

Fixed: Active input could be changed when recalling a graph

Fixed: Graph lock inconsistencies


SPL Dashboard:
FixedSPL Graph Initial 1/3 Octave Band frequency labels incorrect.

Fixed SPL Pro weighting picker button opens stop SPL graph dialogue.

FixedCannot Change Weighting on SPL Pro

FixedSPL Pro Leq Timer off

FixedSPL Pro and Stop Light Leq Timer offs


AudioScope:

Fixed: GPS coordinates not always saved, or displayed incorrectly.


AudioTools 5.6


General:

Improved GUI: Now all GUI plot screens have been simplified, removing images of metal frames.


Impulse Response:

Fixed: Corrected a bug in the T30 (RT60) delay time calculation that was causing values that were too high.

Fixed: Schroeder plot would not be correct for 2nd recalled IR.

Fixed: Selecting "Clear Graph" now removes all plots.

Fixed: After running Delay Finder in Transfer Function, an IR would always load when starting Impulse Response. Now there is an option to ignore or delete this file.

Changed: Moved dots on Schroeder plot to show actual end points for calculations.

Fixed: Clip display and reset in recording fixed.


SPL Graph:

Fixed: Ln numbers not correct if time per point was not 1 second.

Fixed: Possible crash on saving or recalling files.


SPL Dashboard:

Fixed: Auto-save in SPL Graph module would not work unless a manual save was done first.

Fixed: When filter is switched in SPL Pro, LEQ is reset.


Amplitude Sweep:
Fixed: Sweep could ramp up at start, causing apparent LF rolloff.

Fixed: Ln values were being stored in XLS file even if they were turned off.

Changed: Now allows scrolling graph when graph scale is locked.


Impedance Sweep:

Fixed: Sweep could ramp up at start, causing apparent LF rolloff.


FFT:

Added: Now allows turning off input (on Input Source page) to allow viewing stored plots without seeing the live plot.


RTA:

Added: Now allows turning off input (on Input Source page) to allow viewing stored plots without seeing the live plot.

Fixed: Now all noise curves plots shift depending on the filter mode, Octave or 1/3 Octave.


AudioTools 5.5


General:

Fixed: App was not showing up in iTunes file sharing.

Changed: All XLS files now include a header line with the name of the module that stored the file.


RTA:

Added: Help system and video updates.

Fixed: Difference mode display was not correct.

Added: Normalize Plots switch. Causes the recalled plot to stay pinned to the live plot at 1000 Hz.

Fixed: STC was broken in 5.4


SPL Graph:

Fixed: Pausing a recording would cause a loss of recorded data.



AudioTools 5.4


New Free Module: CLF Viewer:

A new main menu has been added, "Design". This is the beginning of a number of new modules, the first is our CLF Viewer. This reads the industry-standard loudspeaker specification files produced under the guidelines of clfgroup.org. 


Download manufacturer files onto your device, and compare features. 


SPL Graph:

Added: New 3D graph for the Octave and 1/3 Octave modes. 

Added: SPL Event notifications. Now get an email when a preset SPL level is exceeded for a certain amount of time.

Added: Time resolution mode, 0.1 seconds per graph bar.

Added: Audio Monitor switch added to new Notifications setup page.

Fixed: SPL Dashboard setup page, time limits were in units of hh:mm, changed to match main SPL Graph setup page, mm:ss.

Fixed: Double-tap to normalize screen did not take plot line into account in Octave and 1/3 Octave modes.


SPL Pro:

Fixed: Overload indicator was not functioning.


SPL Meter:

Fixed: Overload indicator was not functioning.


FFT:

Added: Now if "Normalize Plots" is turned on, recalled plots will be scaled to match the real-time plot.

Added: New Support video.

Fixed: Sweep did not run to end.


RTA:

Added: New Support video.

Added: Audio Monitor switch added to RTA setup page.

Fixed: Adjusted hearing threshold line when RTA plot is A or C weighted.

Generators: (All)

Added: Frequencies below 100 Hz now show Hz to 0.1 Hz resolution.

Added: All pop-up generators now use soft on / off.


Smaart:

Fixed: Graph limits are no longer reset when recalling a graph.

Fixed: Lock screen no longer interacts with Transfer Function lock screen mode.

Support:

Added: New module, "Rate this app". Help support development and let others know what you think.


AudioTools 5.3


General:

Added: Background operation


AudioTools now supports full background audio mode. iOS 6.1 or later recommended for best results.


AudioTools also now mixes audio with other apps. This allows you to play a song in the Music player for example, and switch to AudioTools to analyze the laying song.


Also, it is now much quicker to look at a file in an external viewer from the Save / Recall screen. After viewing the file, you jump right back into AudioTools on the Save / Recall screen.


If AudioTools is processing audio, when you switch away from it you will see a red bar on top of the screen. To get rid of the red bar, switch back to AudioTools, and stop the audio processing or exit back to the menus.


Added: Files can be opened in external viewers from iPhone and iPod touch. Previously this was available only in iPad.


iAudioInterface2:

Added: Calibration trim for left / right channel input in stereo mode.


USB Audio Devices:

Fixed: Calibration was not saved correctly


Smaart:

Fixed: Restored frequency scale to some graphs

Fixed: Decimal point more consistent on XLS output

Fixed: Vertical Pan / Zoom now easier to engage

Added: Now allows display of weighted SPL on more iOS devices


Impulse Response:

Fixed: Missing file title on iPad

Fixed: Removed extraneous text on iPhone setup screen

Fixed: Made Record IR screens consistent between iPhone and iPad

Fixed: Single plot could be missing X-axis labels

Fixed: Possible memory bug causing crash

Fixed: Graph drawing logic now correct

Changed: More descriptive error messages


SPL Graph:

Fixed: App could sleep in background if delayed start was selected

Fixed: When running in SPL Dashboard initial graph could be missing

Fixed: Filters corrected in SPL Dashboard


Transfer Function:
Added: Option to turn off phase plot smoothing

Added: A & C Weighting selection to more iOS devices


FFT:

Fixed: Vertical Pan / Zoom now easier to engage

Fixed: Low frequency mode graph is more stable now when zoomed

Added: A & C Weighting selection to more iOS devices

Added: Linear frequency scale option


RTA:

Fixed: Vertical Pan / Zoom now easier to engage

Fixed: STC calculation error corrected

Fixed: Band frequencies corrected when running at 44.1kHz sample rate. Since the bands are derived from filters, the displayed frequencies are shifted. The correct frequencies are now shown.


ETC:
Changed: Surround pop file now  has an extra 2 seconds at the start to allow receivers to lock to it. To replace your old sample file, you will need to delete all surround files from the Surround Generator setup page.


THD+n:

Added: THD+n is no longer limited to a few frequencies, it now auto-tunes to the dominant frequency.


Speaker Distortion:

Added: No longer limited to a few frequencies, it now auto-tunes to the dominant frequency.


Generator: 

Added: Burst mode options. A burst time and repeat time may be entered on the landscape Generator page.

Fixed: Upside down mode fixed in iPhone

Fixed: Starting flat in iPhone would cause dials to misbehave


STIPA:

Added: Standard Deviation added to Pro Mode.

Added: Delete button to remove a measurement (Pro Mode)


Support Menu:
Added: What's New menu option


Impedance Sweep:
Added: Difference mode. Compare a stored plot with a new plot

Added: Multiple plot overlays

Fixed: Cleaned up setup page GUI on iPad


Recorder:

Added: Remaining recording time calculated and shown. If space gets very low recorder will stop.


AudioTools 5.2


iAudioInterface2 and iTestMic:

Fixed: Communication errors when running iOS 6.1.


Smaart:

Fixed: Opening Spectrograph in single-window mode now shows frequency scale.


Impulse Response:

Fixed: GUI text clipping issue

Fixed: Improved S/N ratio, allows better results with signals above -25 dBFS

Fixed: Zooming ETC too far could cause a crash

Fixed: Trimming IR on recalled file could crash

Fixed: Horizontal cursor could bleed into upper display in split mode

Fixed: "Loading" message could show with no file loaded

Fixed: Minimum record time would not update if excitation signal changed

Fixed: Upper graph in split mode would not always update

Fixed: Tapping "Deconvolve" to quickly could cause a crash

Fixed: FFT slope corrected by 3 dB/octave


Save / Recall:

Added: Support for all legal characters in any language


Generator:

Fixed: Dials may not spin correctly if started on a flat surface


THD+n:
Added: Auto-tuning of test signal frequency


Speaker Distortion:

Added: Auto-tuning of test signal frequency


AudioTools 5.1


FFT: 

Added: Plot averaging option, if multiple plots are recalled.


Amplitude Sweep:

Added: Plot averaging option, if multiple plots are recalled.


Impedance Sweep:

Added: Plot averaging option, if multiple plots are recalled.


Impulse Response:

Added: Double-tap ETC to zoom out to full graph

Added: Recalling second plot overlays on FFT


SPL Graph: (On SPL Dashboard)

Fixed: Changing control did not change graph


AudioTools 5.0


SPL Pro:

Fixed: Changing from LEQ to other modes caused the value to spike


SPL Graph:
Fixed: Incorrect readings for A-wtd in octave logging mode


RTA:
Fixed: SPL values did not match other modules

Fixed: STC did not support RW mode


FFT:

Fixed: Calibration file issue

Added: Multiple plot overlay


Amplitude Sweep:

Added: Multiple plot overlay


Line Level:
Improved GUI


Impedance Sweep:

Added: Multiple plot overlay

Fixed: Export to XLS on iPad

Fixed: Driver parameters not recalled


Save/Recall:

Fixed: Could cause crash on recall


Recorder:
Fixed: Gain control was missing


Calibration:
Added: Default mic cal value, set to 94.0, can be changed on Settings-General page


Export:

Added: Option for leaving the file server running at all times. Turning this on allows downloading files from a PC/Mac browser even while the module is running.


AudioTools 4.9


General:

Fixed: Improved iPad mic compensation

Fixed: Improved handling of audio device changes while app is running

Fixed: Better handling of calibration and USB Audio devices

Added: General Settings option for limiting sample rate to 44.1kHz

Fixed: In-app purchase receipt validation could fail

Fixed: Now checks photo-roll permissions and warns if not allowed

Added: Unlocks standalone modules bought separately: FFT, SPL Pro, SPL graph, Smaart Spectrum, STIPA.

Added: Support for iPhone 5 screen

Added: iTestMic frequency compensation file


THD+n:

Fixed: THD dB level meters could be wrong


Audio Scope:

Fixed: Time base errors when saving from iPad


Generator:
Added: iPhone, portrait mode, added Mono/Bal buttons


Smaart Tools:

Fixed: Recalling files saved with different hardware connected than current now display correctly.


SPL Dashboard:
Fixed: Go from A to C on SPL Meter, could show -999


SPL Pro:

Fixed: LEQ was running too fast

Fixed: Graphics bugs on iPhone

Fixed: Crashes in SPL Dashboard when Store button is pressed


SPL Graph:

Fixed: Recalling files saved with different hardware connected than current now display correctly.

Added: Allows selecting line input, then shows dBu scale

Fixed: Logging data points could not be saved to XLS file


Save/Recall:

Fixed: Scrolling browse picker with no files could crash

Added: Tapping OK after choosing a file to recall goes directly back to main screen

Added: Import files function


STIPA:

Fixed: Slight adjustment of STI values

Fixed: Improved A-wtd filter

Added: Scaled explanation for A-F values

Fixed: Erratic playback with iTestMic or iAudioInterface2 attached


RTA:

Fixed: Recalling files saved with different hardware connected than current now display correctly.

Added: Reset Max/Min bars button


FFT:

Fixed: Peak mode not cleared by button

Fixed: Recalling files saved with different hardware connected than current now display correctly.

Fixed: Clearing the graph did not erase the file name from the screen


Transfer Function:
Fixed: Delay Finder did not always return correct values


ETC:
Added: 5.1 signal files



AudioTools 4.0:


SPL Pro

 Added: Pink Noise Generator, with option for surround pink noise at -20

 Fixed: skins not changing after setup

 Added: Aluminum and dark metal skins for iPad


Calculator

 Fixed label alignment on the Ohm's Law calculator

 Added inches field to Delay calculator.

 Added: Average / sum selector for dB calculator


STIPA

 Minor change to algorithm

 Forces removal of previous signals & constants

 Changed: Colors on color chart changed to match industry standard

 Added: small numbers to color chart

 Removed: User signal calibration


SPL Meter (iPad)

 Fixed: dB scale, -5 repainted to -4


RTA

 Fixed: pass-through mode was chaos 

 Fixed: extra field showing...

 Changed: moved overlay curve location -6dB in 1/3 octave mode

 Added: dot to each octave center point on all overlay curves

 Added: NC value displayed on screen


FFT

 Fixed: Lock Graph got turned on by Smaart Tools

 Fixed: low mode with USB Audio or iAudioInterface2 installed

 EPPO, do all FFTs every time with whatever new (circular) data is available

 Changed: Updated decay rates for multiple devices

 

Smaart Tools I

 Fixed: Small db value moved up to bar

 Fixed: Smaart iPad was missing RTA Bars & FFT mode

 

ETC

 Add option for changing cursor metrics to time and level offsets, from RT60 


Impulse Response

  Added: relative ms and distance to cursor 2


iOS 3.xx

 SPL Graph and SPL Traffic Light would crash on start for older iOS versions

 

Generator

 Added: Presets for sweeps

 

Recorder

 Added: hi/lo mic range switch for iOS 5 mics

 

Mic Cal

 Added: detailed mic cal instructions if iAI2 is installed

 Added: pop-up to configuration page: warning

 Added: Selected input source is now gold

 

Audio Scope

 Fixed inconsistent mic settings text, in Mono, Mic only mode


AudioTools 3.9:


Fixed: Crash in SmaartTools when changing graph type.


AudioTools 3.8:


General:

 -Streamlined orientation changes in SPL Meter and SPL Pro

 -Updated mic gain in iOS5 for iPad, iPhone 3GS, iPod touch 3

 -Fixed iAudioInterface low gain issue


AudioTools 3.7:


Stipa:

 * Added STIPA speech intelligibility module


General:

 * Improved orientation handling

 * Built for iOS 5 (Note: iOS 5 improves audio input quality and provides gain control for most devices)

 * Added High and Low mic ranges on iOS 5 for devices that support this


Save / Recall:

 * Added: After entering a file name, a  “Store” / “Cancel” dialog box appears


iAI2:

 Changed: Disabled DC stripping, now in iAI2 firmware

 Added: Now discovers accessories while app is running

 Fixed: Level Meter and Phase Meter would always crash on audio route change

 Fixed: Blank space would appear below status bar after returning to menu from several functions


Smaart:

 Fixed: graph could get zoomed in or out too far

 Fixed: dB labels could disappear on spectrum graph, iphone


RTA:

 Added: Max and Min now saved in XLS file, if enabled

 Added: Start of measure is delayed to prevent picking up tapping noise

 Added: If Average decay mode is selcted, Max and Min bars reset at delayed start

 Added: In Average mode, last 1/2 sec of response is ignored for max / min bars and average to remove button tap noise

 Added: Demo video added to Video Center

 Changed: Cursor only to RTA band center frequencies

 Changed: Max & Min bars now store actual max and min while in average mode

 Changed: Double-tap now also clears averaging and max / min bars

 Logic:

  - clear max / min one sec after start, if averaging was also cleared -- not after just a pause / run

  - double tap to clear averaging (all), and max / min bars


SPL Traffic Light

 * Fixed crash on second setup screen invocation

 

THD:

 * Fixed: Changing frequency in THD test crashed in iOS5.


Impedance:

 * Sweep, Play / Pause did not go back to play image after stop.

 * Upgraded for iAudioInterface2


Polarity:

 * Added input device range indicator


AudioTools 3.5:


General:

 Fixed: Now fully iOS 5 audio compliant

 Fixed: Now correctly identifying Verizon iPhone 4 for mic compensation 

 Fixed: Memory deallocation issues, could cause graphics issues in FFT and Smaart Tools


Delay Finder:

 Fixed: Delay Finder, Keyboard text field access broken in iPad Delay Finder? (CND)


Smaart:

 Fixed: Top graph choice button in spectro stayed on the screen in single mode

 Added: Fast / Slow option to overall SPL in Smaart I 

 Fixed: For iAudioInterface users, Smaart I may now use the line input

 Fixed: Improved FFT stability, for sine wave signals

 Fixed: iPad portrait mode could start with partial graph


SPL Meter:

 Fixed: Graphics fixes on iPad for selected input


SPL Graph:

 Added: option to play sound at end of timed run

 Added: Recalled file name now shows on graph 


SPL Traffic Light

 Added: Full-screen color option

 Fixed: In setup, initial picker could be in the wrong place on iPad


SPL Dashboard

 Fixed: numeric text entry fields, screen could move in wrong direction


RTA:

 Added: Transmission Loss module

 Fixed:  Generator switch could get out of sync


FFT:

 Fixed: FFT could oscillate with some input signals

 Fixed: Pop-up generator could show sine and play pink noise, initially

 Fixed: After changing sample rates, pop-generator displays wrong freq.

 Fixed: Peak frequency reading is now more accurate

 Fixed: Talk-through now correctly follows input source

 Added: Now shows actual running sample rate


Scope:

 Added: Time cursors to measure wavelength and compute frequency

 Fixed: Time scale on iPad was wrong

 Fixed: Overall level field was not showing

 Fixed: Channel mode was not showing

 Fixed: Moved input field down off bar

 Fixed: Improved accuracy of peak frequency reading


Impedance Sweep:

 Fixed: Would not stop if pause were pressed while running


Impulse Response:

 Fixed: Manually stopping playback in the record screen left record disabled

 Fixed: dBFS value was low on record screen


iAudioInterface2:

 Added: Support for multiple user-defined mic calibrations

 Added: Support to save config settings on exit

 Fixed: Improved auto-range support

 Fixed: Changed calibration constants for line input