Transfer Function at App Store analyse

App power index: 320 (based on ranks around App Stores today)
Utilities Music
Developer: Andrew Smith
Price: 0 free
Current version: 5.1, last update: 1 year ago
First release : 23 Feb 2014
App size: 36.16 Mb
4.4 ( 9744 ratings )
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Estimation application downloads and cost

> 7.04k
Monthly downloads
~ $ 2.88k
Estimation App Cost


Transfer Function is a dual-FFT acoustic analysis app that is used for sound system audio analysis. Since it can operate with music as the signal source, it can be used during a musical performance to monitor and turn the system equalization during the show.

Transfer function includes:

-- Magnitude Graph
-- Phase Graph
-- Coherence Plot
-- Delay Finder
-- Signal Generator

Normally a transfer function requires a two-channel interface, and that is true with this one, also, if you want to use it with program material (music).

However, you can use our Transfer Funciton with the internal iOS microphone, if you can send the pink noise generator output to the sound system input. In this configuration, the internal generator is routed back to the input as the reference channel. You can measure delay, magnitude, and phase using this setup.

When you use Transfer Function with a two-channel audio interface to run, such as the Studio Six Digital iAudioInterface2, then you can also use any audio source as the test signal, including music.

See our website for more information.
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Available in countries
Country Price
Canada 69.99 CAD
China 328 CNY
France 59.99 EUR
Germany 59.99 EUR
Italy 59.99 EUR
Netherlands 59.99 EUR
Portugal 59.99 EUR
Spain 59.99 EUR
Poland 54.99 EUR
UK 49.99 GBP
India 4999 INR
Japan 7000 JPY
Korea, Republic Of 66000 KRW
Poland 299.99 PLN
Russia 4490 RUB
Turkey 1499.99 TRY
USA 49.99 USD
Korea, Republic Of 54.99 USD
Ukraine 59.99 USD
Available for devices
iPhone3GS, iPhone4, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,