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RE: [Linphone-users] Run codecs in 8 bit
From: |
Micha Nelissen |
Subject: |
RE: [Linphone-users] Run codecs in 8 bit |
Date: |
Wed, 11 Oct 2006 09:53:25 +0200 |
Simon Morlat wrote:
> 8bit pcm does not give a good quality. Perhaps it's 8bit g711 (pcmu
> or pcma).
> In mediastreamer2/src
> you need to modify one of the soundcard reader/writer (alsa.c or
> oss.c, depending on whether you use alsa or old oss drivers), and the
> connection of graph done in audiostream.c to insert the proper
> decoder to pcm 16 bit if the samples returned by the audio device are
> pcmu or pcma.
Do the 8<->16bit conversion codecs already exist, or do I need to write
them myself ?
(Would bitshifting be enough?)
Regards,
Micha