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Float32 to Int16 in StereoAudioRecorderHelper.js #176

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crky14 opened this issue Oct 29, 2019 · 0 comments
Open

Float32 to Int16 in StereoAudioRecorderHelper.js #176

crky14 opened this issue Oct 29, 2019 · 0 comments

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@crky14
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crky14 commented Oct 29, 2019 •
edited

Current implementation is multiplying Float32 number in range (-1,1) by 0xFFFF which is eqvivalent to 65535. I found that with this conversion data is incorrect.

By som googling I found that using this:

num < 0 ? num * 0x8000 : num * 0x7FFF;

Im getting results equivalent to numpy implementation.

Is this a issue or I got something wrong ?
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