Develop open-source JavaScript 3gp/amr audio codec

This project was awarded to jairrohm for $200 USD.

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$30 - $250 USD
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Project Description

I need a Javascript codec that converts 3gp/amr (not quite sure of the exact type) audio files produced by Android devices into a format playable within Chrome browsers. The codec has to operate 100% in the browser, with no servers involved.

There is a Javascript amr codec available here:

[url removed, login to view]

It does not work for the audio files I want to play, but I suspect a similar approach could work.

I'm attaching a sample audio file produced by my android device for testing.

The code should use a permissive free software license.

Some additional context:

[url removed, login to view]

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