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speech encoding/compression

Posted on 2002-04-07
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Last Modified: 2010-03-18
Hi Folks,

I would appreciate if somebody could point me to literature on doing a basic thing like this on GNU/Linux systems.

1) caputure speech from the mic
2) encode/compress
3) send it across the lan.

at the recieving end

4) decode/decompress
5) write to soundcard

sending across the lan is UDP packets that much I can figure, but it is the 1st and 2nd steps that are bothering me.

regards
harsha

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Question by:bsd_linux
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Expert Comment

by:svindler
ID: 6936439
SHOUTcast, made by the people behind WinAmp, is free for non-commercial use.
http://www.shoutcast.com/
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Expert Comment

by:svindler
ID: 6936442
Sorry, SHOUTcast is not a clean linux solution for you. The sound needs to be captured by a Windows machine and is then sent to a server, which can be running on almost any OS. Clients are also available for many OS'es.
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by:svindler
ID: 6936448
Icecast was the name I was looking for, before. Icecast is also a broadcast server, but they can accept streams from more encoders.
http://icecast.org/
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Author Comment

by:bsd_linux
ID: 6949589
Hi,

It doesn't give information on step 1 and 2.

bsd_linux
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Accepted Solution

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svindler earned 100 total points
ID: 6949892
Try LiveIce, as mentioned in the FAQ. "Liveice also lets you be a real DJ, with support for mixing, crossfades, mic input, etc."

LiveIce is available at http://star.arm.ac.uk/~spm/software/liveice.html

LiveIce does step 1 and 2 for you.
Icecast does step 3
XMMS or mpg123/mpg321 does step 4 and 5
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