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FFT on the App Store
https://apps.apple.com/us/app/fft/id298840058
Description. FFT is a high-resolution audio analysis tool for the iPhone and iPod touch. It uses the Fast Fourier Transform to analyze incoming audio, and displays a very detailed graph of amplitude vs. frequency. Use this app with the built-in iOS device microphone, or upgrade to our iAudioInterface2 or iTestMic for a complete professional solution.
ios - Perform Audio Analysis with FFT - Stack Overflow
https://stackoverflow.com/questions/34712707/perform-audio-analysis-with-fft
AVAudioFile(forReading: soundURL!) let frameCount = UInt32(audioFile.length) let buffer = AVAudioPCMBuffer(PCMFormat: audioFile.processingFormat, frameCapacity: frameCount) do { try audioFile.readIntoBuffer(buffer, frameCount:frameCount) } catch { } let log2n = UInt(round(log2(Double(frameCount)))) let bufferSize = Int(1 << log2n) let fftSetup = …
GitHub - tomer8007/real-time-audio-fft: iOS library for ...
https://github.com/tomer8007/real-time-audio-fft
Real-time audio analysis and FFT for iOS. This library helps you visualize or process sound as it is played by providing you with a currently-played spectrum data and samples, at any given time. Features. Provides accurate and high-resolution data, partially written in C; Uses Apple's (fast) implementation of FFT - vDSP API from the Accelerate framework
GitHub - ylcg87/iOS_FFT_Algorithm
https://github.com/ylcg87/iOS_FFT_Algorithm
// Get the total number of frames for the audio file SInt64 totalFrames = [self.audioFile totalFrames]; // Seeks halfway through the audio file [self.audioFile seekToFrame: (totalFrames/ 2)]; // Alternatively, you can seek using seconds NSTimeInterval duration = [self.audioFile duration]; [self.audioFile setCurrentTime: duration/ 2.0];
Sound Spectrum Analysis on the App Store
https://apps.apple.com/us/app/sound-spectrum-analysis/id1434975523
The application is designed for analysis of a sound spectrum in real time (with a microphone). Besides, the application can be used as a measuring instrument of noise level (not for exact measurements). • Sound wave. • Fast fourier transform (FFT). FFT size: 2048 (the accuracy of determining the fr…
AudioTools - dB, Sound & Audio on the App Store
https://apps.apple.com/us/app/audiotools-db-sound-audio/id325307477
AudioTools from Studio Six Digital is a suite of professional-grade audio and acoustic analysis apps. Included in the price of this app is a great collection of professional tools -- SPL, RTA, FFT, Speaker Polarity Test, Generator, Audio Scope, CLF Viewer, and Recorder, and the framework to add more powerful modules as you need them.
Audio Analyzer on the App Store
https://apps.apple.com/us/app/audio-analyzer/id681184981
Audio Analyzer is a real-time spectrum, spectrogram, oscilloscope and octave RTA analyzer. It gives you a visual representation of an acoustic signal. It can be used to analyze the sounds of musical instruments, to identify spoken words phonetically, …
Apple iOS Devices and Studio Six AudioTools Software ...
https://www.studiosixdigital.com/support/audiotools-user-guide/audiotools-manual-rev-72.pdf
5.2 March 17 Update to FFT ref AT 10.2.2 SSD, BT 5.3; 5.4 April 2017 Update: Using audio files as input to Smaart, etc SSD, BT 6.0 April 2017 Updated by including LARSA, STIPA and Transfer Function SSD, BT 7.0 April 2017 Updated to include Audio Coverage Uniformity SSD, BT
FFT - Studio Six Digital
https://studiosixdigital.com/audiotools-modules-2/acoustic-analysis-modules/fft/
FFT is a high-resolution audio analysis tool available as an in-app purchase in AudioTools. It uses the Fast Fourier Transform (see below) to analyze incoming audio, and displays a very detailed graph of amplitude vs. frequency. NOTE: This information applies to the FFT module available within AudioTools. The standalone app is older, and does not include every feature mentioned …
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