Using vision.VideoWriter can I specify the audio bitdepth? It appears to allow only 16-bit audio.

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Rick 2016-2-1

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评论： Rick 2016-2-3

I write an AVI file (using vision.VideoFileWriter) with 24-bit audio and read it out (using vision.VideoFileReader) and find the audio has 16-bit resolution. The writer complains that "The AudioDataType property is not relevant in this configuration of the System object." AVI supports 24-bit audio. Is this a limitation of the vision implementation?

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Answer 1

Dinesh Iyer 2016-2-2

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https://ww2.mathworks.cn/matlabcentral/answers/266144-using-vision-videowriter-can-i-specify-the-audio-bitdepth-it-appears-to-allow-only-16-bit-audio#answer_208221

This is a limitation of the VideoFileWriter system object in that it does not support audio data into AVI files larger than 16-bit. Additionally, it does not appear to allow setting of the AudioDataType property when writing audio to AVI files.