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GitHub - ElfSundae/AVDemo: Demo projects for iOS …
https://github.com/ElfSundae/AVDemo
Because CoreAudio AudioUnits process audio data using a "pull" model, but the AVCaptureAudioDataOutput object "pushes" audio sample buffers onto a client in real time, the captured buffers must be sent though the AudioUnit via an AudioUnit render callback which requests input audio data each time AudioUnitRender is called to retrieve output audio data.
ios - Passing AVCaptureAudioDataOutput data into vDSP ...
https://stackoverflow.com/questions/14088290/passing-avcaptureaudiodataoutput-data-into-vdsp-accelerate-framework
The first step is to get a pointer to the data buffer that has been returned: The default sample format for the iPhone mic is linear PCM, with 16 bit samples. This may be mono or stereo depending on if there is an external mic or not. …
ios - Swift 3: Using AVCaptureAudioDataOutput to …
https://stackoverflow.com/questions/41818883/swift-3-using-avcaptureaudiodataoutput-to-analyze-audio-input
I’m trying to use AVCaptureAudioDataOutput to analyze audio input, as described here . This is not stuff I could figure out on my own, so I’m copying the example, but I’m having difficulty. Xcode...
Apple Developer Documentation
https://developer.apple.com/documentation/avfoundation/avcaptureaudiodataoutput
AVCaptureAudioDataOutput | Apple Developer Documentation Class AVCapture Audio Data Output A capture output that records audio and provides access to audio sample buffers as they are recorded. Availability iOS 4.0+ iPadOS 4.0+ macOS 10.7+ Mac Catalyst 14.0+ Framework AVFoundation On This Page Declaration Topics Relationships See Also Declaration
robovm/apple-ios-samples - GitHub
https://github.com/robovm/apple-ios-samples
The application uses a AVCaptureSession with a AVCaptureAudioDataOutput to capture audio from the default input, applies an effect to that audio using a simple delay effect AudioUnit and writes the modified audio to a file using the CoreAudio ExtAudioFile API.
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