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I want to use google speech api to convert audio files to string. But it seems that it only accepts .raw files.

VLAZ
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Jerds
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  • https://henquist.github.io/0.5.2/coefficients_from_wav.html – Robert Harvey Dec 13 '22 at 16:14
  • `ffmpeg` can do this (it's not just for video files). There is a lot of information out there and I know it works with node.js (https://www.npmjs.com/package/ffmpeg-nodejs), check out this answer here to get started: https://stackoverflow.com/a/4854627/8678978 – chrisbyte Dec 13 '22 at 16:15

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You don't have to convert them. See the Introduction to audio encoding documentation which discusses file formats vs encoding and shows the Supported audio encodings.

Ronnie Royston
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