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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audioqueuebufferref
typealias AudioQueueBufferRef = Unsafe Mutable Pointer < Audio Queue Buffer >
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audioqueuebuffer
The audio data owned the audio queue buffer. The buffer address cannot be changed. var mAudioDataByteSize: UInt32 The number of bytes of valid audio data in the audio queue buffer’s mAudioData field, initially set to 0. Your callback must set this value for a playback audio queue; for recording, the recording audio queue sets the value.
ios - Trouble creating an AudioQueueBufferRef in Swift ...
https://stackoverflow.com/questions/44090491/trouble-creating-an-audioqueuebufferref-in-swift
ringBuffers = [AudioQueueBufferRef](repeating: AudioQueueBufferRef(), count:inflightBuffersCount) says init() is unavailable: use 'nil' literal but if it is ...
swift - Using AudioToolbox instead of AVFoundation in ...
https://stackoverflow.com/questions/60898913/using-audiotoolbox-instead-of-avfoundation-in-sfspeechrecognizer
Finally, I've found the answer. Here's the code for the conversion of AudioQueueBufferRef into AVAudioPCMBuffer: func queueBufferToAudioBuffer(_ buffer: AudioQueueBufferRef) -> AVAudioPCMBuffer? { guard let audioFormat = AVAudioFormat( commonFormat: .pcmFormatFloat32, sampleRate: format.mSampleRate, channels: …
Streaming Audio to Multiple Listeners via iOS' Multipeer ...
https://thoughtbot.com/blog/streaming-audio-to-multiple-listeners-via-ios-multipeer-connectivity
There are three audio buffers in the audio queue which will be filled one by one with the data received from the parser. When full, a buffer will be enqueued to the system. When the system is finished playing an audio buffer, it is returned, refilled, then enqueued again in a loop until there is no more data to play.
Audio Queue example · GitHub - Gist
https://gist.github.com/andormade/1360885/6b239efc7bc59a7dd038b9543b98bdd6afd40559
Audio Queue example. GitHub Gist: instantly share code, notes, and snippets.
Record Microphone Audio into a Float Buffer with ...
http://hemantasapkota.github.io/posts/record-audio-in-floatbuffer-using-audioqueue/
The usual option is to record the data into a file, ex: AIF format. Recording in a float buffer allows you to process the audio data for needs like visualiations, futher processing with algorithms, speech recognition etc. AudioRecorder.h
AudioQueueExample/AudioQueueExampleAppDelegate.m …
https://github.com/luciuskwok/AudioQueueExample/blob/master/AudioQueueExampleAppDelegate.m
Intro to Core Audio example project. Contribute to luciuskwok/AudioQueueExample development by creating an account on GitHub.
AudioStreamPlayer Class Reference
https://bbc.github.io/dvbcss-synckit-ios/latest/AudioPlayerEngine/Classes/AudioStreamPlayer.html
An audio stream player based on Apple’s Core Audio Framework. More specifically, Audio Queue Services and AudioFileStream are used to handle audio buffers and audio streaming respectively.
iOS音频系列(三)--AudioQueue - 简书
https://www.jianshu.com/p/5d165bf2233d
The audio queue invokes the callback, handing it the full buffer (buffer 1). The callback (step 3) writes the contents of the buffer to an audio file. At the same time, the audio queue fills another buffer (buffer 2) with freshly acquired data.
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