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Audio encoding/decoding between PCM 16bit big endian 16Khz stereo & Ulaw 8bit 8000hz in C

Jesper Blom
Jesper Blom asked
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Last Modified: 2018-06-06
Hi
I am stucked in a project, where I have to convert some audio:
The Audio is PCM 16bit big endian 16Khz stereo & Ulaw 8bit 8000hz. Have to be able to go both ways.
Do you have any recommended Libs or even better software examples that will help me doing it :)

I get the audio in the PCM format as Callback data.
static int stream_GSMdata_2_ulaw(int16 id, char* data, uint32 size)
...
And after the conversion to Ulaw I need to send the RTP packets in 60 ms chunks (480bytes) via UDP:
 SendRTPData(myData);

Any help is appreciated :)
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