Develop open-source JavaScript 3gp/amr audio codec

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]

Taidot: Äänipalvelut, C++ -ohjelmointi, Javascript

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Tietoa työnantajasta:
( 0 arvostelua ) D, United States

Projektin tunnus: #4232158

Myönnetty käyttäjälle:


Greetings, I am a software engineer with more than twenty years experience in AI and DSP programming as well as developing web-based solutions in JSP and Ajax. I would be by interested in providing a speedy and affo Lisää

$200 USD 10 päivässä
(2 Arvostelua)

2 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


we will work with audio codecs specified for the platform as per requirement

$200 USD 20 päivässä
(0 arvostelua)