8.4
2023-10-19
-Updated for latest iOS devices and new iOS versions
-Bug fixes and stability improvements
8.3
2022-07-17
-Bug fixes and improvements
-Support for more iOS devices and iOS versions
8.2
2021-09-25
-Bug fixes and stability improvements
-Updated for latest iOS and devices
8.0
2020-08-26
-Bug fixes and stability improvements
-Support for direct data file access in Files app
-Support for latest devices and iOS versions
7.3
2019-10-09
-Updated for iOS 13
7.2
2019-08-12
-Updated for iOS 13
-Fixed issue with setup menu
-Bug fixes and stability improvements
7.1
2019-04-09
-Updated for latest iOS devices
-Bug fixes and stability improvements
-Temporarily removed 3D plots while we upgrade them
7.0
2018-07-11
-Updated for latest iOS and devices
-Improved SPL calibration
-Added Remote Monitor option
6.9
2018-05-25
- Added support for iPhone X and latest iOS 11
- General bug fixes and stability improvements
- 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
-Added activity indicator to show sending test emails
6.8
2017-10-03
General
- 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
6.7
2017-09-12
-Fixed possible crash if email settings were not valid
-Added live update calibration system for iOS devices
6.6
2017-08-29
-Bug fixes and stability improvements
6.5
2017-08-14
Bug Fixes
-Fixed .txt and .text files not saving in iCloud mode, if auto-save was turned on and email files was turned off
-Fixed crash at save time if auto-save was turned on with no run time set
6.4
2017-08-06
Major Upgrade - Please review the help screen in the app for full details. You may need to re-enter some setting information.
* 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
6.3
2017-03-19
* Updated for latest iOS devices.
* Removed support for older iOS versions, now requires iOS 8 minimum.
* Added simultaneous background launch protection to prevent problems in iOS 10 when plugging in iTestMic or iPrecisionMic when more than one Studio Six Digital app is installed
6.2
2016-11-22
- Updated for iOS 10 and new devices
6.1
2016-09-25
- Updated to support iPhone 7 and iPhone 7 Plus.
6.0
2016-08-12
SPL Graph, best noise monitoring and audio sound level logging app
-- Fixed issues with Running Leq mode on the minimal display
-- If auto-save is turned on, when a test is stopped it will also be automatically auto-saved.
5.9
2016-06-24
-Updated iTestMic calibration storage method.
-Fixed Leq mode in minimal display.
-Color of charging indicator icon changes now to match battery level.
-Fixed bug that could cause audio to stop recording after 10 seconds.
5.8
2016-05-20
SPL Graph, the professional noise monitor and SPL logging app
- Fixed issue in the calibration screen that could cause the mic to be not available plugging in an external mic.
- Fixed an issue with in-app purchases not validating.
5.7
2016-05-08
* SPL Graph, sound logging and noise monitoring iOS app
** Added Global Audio settings option to mix audio with other apps.
** Double-tapping screen now resets video window position.
** Improved minimal display by adding an option for Fast or Slow SPL
** Added an option to show the minimal display on the main screen
** Change label on LAeq 50ms option
** Now also emails LAeq 50ms file if option and emails are enabled
5.6
2016-04-19
** Improved handling of iTestMic, iPrecisionMic, and iAudioInterface2
** Allows selection of 1m resolution time
** Updated auto-save file naming
** Improved auto-save naming operation
** Added Video Logging in-app purchase
** Updated calibrations for iOS 9.3
5.5
2016-02-16
* Bug fixes and stability improvements
** Added Projects feature to Settings menu, project data can be saved in data files
** Added LAeq50ms file output option. File is named with ".rtf" extension
** Fixed memory usage bugs
** Added Fast / Slow detector options to Ln calculations
** Added display of charging status of iOS device to top bar, as green +V
5.4
2015-12-05
** Updated all calibrations for iOS 9.1
** Added support for iPad Pro
** Added Video Capture option
** Fixed crash on launch on iOS 7
** Fixed .txt file name sometimes being incorrect
5.3
2015-11-24
** Updated for iOS 9.1 **
** Added support for iPhone 6S and 6S Plus
** Added iCloud file support
5.2
2015-09-01
** Fixed possible crash on launch
5.1
2015-08-25
** Fixed Ln calculations causing slow responsiveness with large data sets
** Sped up file saving by 10X
** Fixed LEQ and Ln values on screen not matching values in XLS file
5.0
2015-07-08
** Fixed emails not sending when screen shot was turned on.
4.9
2015-06-03
** Fixed screen UI bug in iOS 7 and iOS 6
** Added support for Apple Watch
** Fixed missing 3D plot on iPhone
** Fixed label colors in dark plot mode
4.8
2015-05-12
** Bug fixes and stability improvements
** Improved Ln calculations
** Added Ln statistical logging per data point
** Improved iTestMic and iPrecisionMic long-term connection reliability
4.7
2015-02-27
** Bug Fixes and Stability Improvements
-- Added LEQ Sync Feature
4.6
2015-01-27
Bug fixes and stability improvements.
Now supports 64-bit operation.