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iOS音频系列(三)--AudioQueue - 简书
https://www.jianshu.com/p/5d165bf2233d#:~:text=An%20audio%20queue%20%E6%98%AFiOS%E4%B8%ADplay%E5%92%8Crecord%20audio%E7%9A%84%E5%AF%B9%E8%B1%A1.%E5%BA%95%E5%B1%82%E6%98%AF%20AudioQueueRef%20%E3%80%82%20Audio,recording%20or%20playback%20Audio%20Queue%20Architecture%20Audio%20queue%E7%9A%84%E5%85%B7%E4%BD%93%E7%BB%93%E6%9E%84%E6%9C%89%E4%BB%A5%E4%B8%8B%E5%87%A0%E4%B8%AA%E9%83%A8%E5%88%86%E6%9E%84%E6%88%90%EF%BC%9A
Audio Queue Services - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/audio_queue_services
An audio queue does the work of: Connecting to audio hardware Managing memory Employing codecs, as needed, for compressed audio formats Mediating playback or recording
ios - Audio Queue Service Example using How to record ...
https://stackoverflow.com/questions/18162471/audio-queue-service-example-using-how-to-record-sound-in-mp3-format-in-iphone
iOS contains the recording codecs listed in Table 2-5. As you can see, neither MP3 nor AAC recording is available. This is due to the high CPU overhead, and consequent battery drain, of these formats. iOS: recording audio formats Apple Lossless iLBC (internet Low Bitrate Codec, a speech codec) IMA/ADPCM (also known as IMA-4) Linear PCM
ios - Audio Queue : AudioQueueStart returns -50 - Stack ...
https://stackoverflow.com/questions/12650263/audio-queue-audioqueuestart-returns-50
ios - Audio Queue : AudioQueueStart returns -50 - Stack Overflow I'm trying to write a microphone power meter module in a GLES app (Unity3d). It works fine in UIKit application. But when I integrate into my unity3d project, the AudioQueue cannot start property.The Stack Overflow About Products For Teams
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audioqueueref
An audio queue is a software object you use for recording or playing audio in macOS. It does the work of: Connecting to audio hardware Managing memory Employing codecs, as needed, for compressed audio formats Mediating recording or playback You create, use, and dispose of audio queues using the functions described in Audio Queue Services.
The sound muted after playing audio with Audio Queue …
https://stackoverflow.com/questions/30794479/the-sound-muted-after-playing-audio-with-audio-queue-on-ios-for-a-while
private let audioQueueOutputCallback: AudioQueueOutputCallback = { (inUserData, inAQ, inBuffer) in // Get data from UnsageMutableRawPointer let userData: UserData = (inUserData!.bindMemory(to: UserData.self, capacity: 1).pointee) let queue = userData.dataQueue let semaphore = userData.semaphore // bind UnsafeMutableRawPointer to …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/audioqueuebuffer
Each audio queue has an associated set of audio queue buffers. To allocate a buffer, call the Audio Queue Allocate Buffer(_: _: _:) function. To dispose of a buffer, call the Audio Queue Free Buffer(_: _:) function. If using a VBR compressed audio data format, you may want to instead use the Audio Queue Allocate Buffer With Packet Descriptions function. This function allocates a …
iOS : Precise time of audio queue playback finish - YouTube
https://www.youtube.com/watch?v=Lk_Kz5s4JMY
iOS : Precise time of audio queue playback finish [ Beautify Your Computer : https://www.hows.tech/p/recommended.html ] iOS : Precise time of audio queue pl...
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