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ios - iPhone: AudioBufferList init and release - Stack ...

    https://stackoverflow.com/questions/3767527/iphone-audiobufferlist-init-and-release
    Also, if you aren't using the lists outside of a single method, then it makes more sense to allocate them on the stack instead of the heap by declaring it as a regular object, not a pointer. You still need to malloc() the actual mData member of the AudioBuffer, but at least you don't need to worry about free()'ing the actual AudioBufferList itself.

Apple Developer Documentation

    https://developer.apple.com/documentation/coreaudiotypes/audiobufferlist
    The AudioBufferList structure provides a mechanism for encapsulating one or more buffers of audio data. It is used by functions in various Core Audio APIs, as described in Audio Converter Services, Audio Unit Component Services, and Extended Audio File Services.

Select an audio input device with the Speech SDK - Azure ...

    https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/how-to-select-audio-input-devices
    Version 1.3.0 of the Speech SDK introduces an API to select the audio input. This article describes how to obtain the IDs of the audio devices connected to a system. These can then be used in the Speech SDK by configuring the audio device through the AudioConfig object: C++. audioConfig = AudioConfig.FromMicrophoneInput ("<device id>");

Audio Unit录音(播放伴奏+耳返) - 简书

    https://www.jianshu.com/p/0fdb5455881e
    在给双声道的AudioBufferList分配内存的时候,尝试对buffList.mBuffers[1]分配内存,发现并不可行,因为AudioBufferList默认是只有1个buffer,mBuffers[1]的属性是未初始化的。 最后终于用一种方式解决: buffList = (AudioBufferList *)malloc(sizeof(AudioBufferList) + (numberBuffers - 1) * sizeof ...

Re: [FFmpeg-devel] [PATCH v9 1/3] libavdevice/avfoundation ...

    On 6 Jan 2022, at 15:24, Romain Beauxis wrote: * Implement support for AudioConverter * Switch to AudioConverter's API to convert unsupported PCM formats (non-interleaved, non-packed) to supported formats * Minimize data copy.

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