AudioProcessing module works exclusively in mono in Chromium. |
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Issue descriptionThis bug spun from https://bugs.chromium.org/p/chromium/issues/detail?id=596182 In MediaStreamAudioProcessor::InitializeCaptureFifo, if the MSAudioProcessor has |audio_processing_|, then the output format of the processor is forced to be mono, since |kAudioProcessingNumberOfChannels| = 1. It seems, however, that AudioProcessing should support multiple channels and we would only need to test it properly.
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Mar 29 2017
Supporting multi-channel audio processing (that is, noise suppression, gain control, and echo cancellation) is far from trivial. This will require lots of development efforts, and is currently not in the pipeline. |
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Comment 1 by ehmaldonado@chromium.org
, Mar 28 2017