LARSA Analyzer
Loudspeaker and Room Analyzer
$29.99
3.4for iPhone, iPad and more
Age Rating
LARSA Analyzer Screenshots
About LARSA Analyzer
LARSA, or Loudspeaker And Room System Analyzer, is a powerful impulse response measurement and analysis tool. It is ideally suited for measuring loudspeakers in rooms, multi-speaker setups, car audio systems, home theater systems or larger, installed loudspeaker systems.
It is an easy way to profile a system and give you the information you need to equalize or tune your loudspeakers for the best possible performance in your listening space. LARSA brings measurement power and convenience previously available only on desktop computers.
Key Features of LARSA include:
* Easy-to-learn single-tap recording of an impulse response.
* IR averaging features. Perform test/re-test analyses of measurements or a make a spatial average.
* IR windowing features.
* Energy Time Curves.
* Delay time calculation for time-alignment in bi- and tri-amp applications.
* Save and recall functionality.
* Full iCloud support for easy access to your measurements on your desktop or laptop.
It is an easy way to profile a system and give you the information you need to equalize or tune your loudspeakers for the best possible performance in your listening space. LARSA brings measurement power and convenience previously available only on desktop computers.
Key Features of LARSA include:
* Easy-to-learn single-tap recording of an impulse response.
* IR averaging features. Perform test/re-test analyses of measurements or a make a spatial average.
* IR windowing features.
* Energy Time Curves.
* Delay time calculation for time-alignment in bi- and tri-amp applications.
* Save and recall functionality.
* Full iCloud support for easy access to your measurements on your desktop or laptop.
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What's New in the Latest Version 3.4
Last updated on Oct 19, 2023
Old Versions
-Updated for latest iOS devices and new iOS versions
-Bug fixes and stability improvements
-Bug fixes and stability improvements
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Version History
3.4
Oct 19, 2023
-Updated for latest iOS devices and new iOS versions
-Bug fixes and stability improvements
-Bug fixes and stability improvements
3.3
Jul 13, 2022
-Bug fixes and improvements
-Support for more iOS devices and iOS versions
-Support for more iOS devices and iOS versions
3.2
Sep 24, 2021
-Bug fixes and stability improvements
-Updated for latest iOS and devices
-Updated for latest iOS and devices
3.1
Feb 4, 2021
-Bug fixes and improvements
-Now supports external test signals
-Can be used with our Apple TV 4K Surround Sound Generator
-Now supports external test signals
-Can be used with our Apple TV 4K Surround Sound Generator
3.0
Aug 26, 2020
-New! Added External Trigger mode, now works with signals generated from other sources
-External chirp mode works with Apple TV 4k Surround Generator with Atmos support
-Bug fixes and stability improvements
-Support for direct data file access in Files app
-Support for latest devices and iOS versions
-External chirp mode works with Apple TV 4k Surround Generator with Atmos support
-Bug fixes and stability improvements
-Support for direct data file access in Files app
-Support for latest devices and iOS versions
2.7
Oct 14, 2019
-Updated for iOS 13 compatibility
2.6
Aug 13, 2019
-Updated for any iOS 9 or later
-Fixed issue with setup menu
-Bug fixes and stability improvements
-Fixed issue with setup menu
-Bug fixes and stability improvements
2.5
Apr 9, 2019
-Updated for latest iOS devices
-Bug fixes and stability improvements
-Temporarily removed 3D plots while we upgrade them
-Bug fixes and stability improvements
-Temporarily removed 3D plots while we upgrade them
2.4
Sep 7, 2018
-Updated for latest iOS and devices
-Bug fixes and stability improvements
-Bug fixes and stability improvements
2.3
Mar 15, 2018
-Now supports iPhone X and other new iOS devices
-Support for latest iOS updates added
-Improvements to UI and operations
-Bug fixes and stability improvements
-Support for latest iOS updates added
-Improvements to UI and operations
-Bug fixes and stability improvements
2.2
Sep 28, 2017
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
- 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
2.1
Aug 28, 2017
-Bug fixes and stability improvements
2.0
Mar 17, 2017
* 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.
* 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.
1.9
Nov 21, 2016
- Updated for iOS 10 and new devices
1.8
Sep 24, 2016
- Updated to support iPhone 7 and iPhone 7 Plus.
1.7
May 10, 2016
** LARSA, Loudspeaker And Room System Analyzer
** Bug fixes and calibration updates
** Bug fixes and calibration updates
1.6
Apr 27, 2016
-- Class One calculations meet all ANSI and ISO standards for Type 1 Sound Level Meters.
** Now supports multi-tasking Slide Over and Split Screen on newer iPads that support this feature.
** Calibrations adjusted for all iOS devices.
** Fixed filter design in-app purchase option
** Now supports multi-tasking Slide Over and Split Screen on newer iPads that support this feature.
** Calibrations adjusted for all iOS devices.
** Fixed filter design in-app purchase option
1.5
Apr 12, 2016
Best room audio and speaker performance analyzer for iOS.
** 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.
* 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.
**Improved referral screen layout.
**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
** 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.
* 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.
**Improved referral screen layout.
**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
1.4
Feb 15, 2016
* Bug fixes and stability improvements
* Added Projects feature to Settings menu, project data can be saved in data files
* Added Projects feature to Settings menu, project data can be saved in data files
1.3
Dec 8, 2015
** Updated for iOS 9.1 **
** Added support for iPhone 6S and 6S Plus
** Added iCloud file support
** Updated device calibrations
** Added support for iPhone 6S and 6S Plus
** Added iCloud file support
** Updated device calibrations
1.2
Jun 15, 2015
** 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
-- 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
1.1
May 4, 2015
** Added 3D Cumulative Spectral Plot
** Added plot zoom control for full-screen display
** Added 2/3 octave smoothing
** Added wavelength display on cursor
** Added delay time display on main screen
** Fixed XLS magnitude values
** Fixed operation at 44.1kHz sample rate
** Added plot zoom control for full-screen display
** Added 2/3 octave smoothing
** Added wavelength display on cursor
** Added delay time display on main screen
** Fixed XLS magnitude values
** Fixed operation at 44.1kHz sample rate
1.0.0
Jan 14, 2015
LARSA Analyzer FAQ
Click here to learn how to download LARSA Analyzer in restricted country or region.
Check the following list to see the minimum requirements of LARSA Analyzer.
iPhone
Requires iOS 12.1 or later.
iPad
Requires iPadOS 12.1 or later.
iPod touch
Requires iOS 12.1 or later.
LARSA Analyzer supports English, French, German, Japanese, Polish, Simplified Chinese, Swedish
LARSA Analyzer contains in-app purchases. Please check the pricing plan as below:
Filter Design Option
$9.99
Related Videos
Latest introduction video of LARSA Analyzer on iPhone
