[Speex-dev] Can Speex frame size be expand from 160 to 320 for NB?
dennis.liu at mobidia.com
Fri Feb 15 16:15:54 PST 2008
I do want to change Speex frame size to 320. In this case, I've changed
frame size in init and modes (include framesize and subframesize). However,
the audio quality becomes bad. It seems something else needs to be changed
as well. Could you give a clue?
From: Jean-Marc Valin [mailto:jean-marc.valin at usherbrooke.ca]
Sent: Wednesday, February 13, 2008 4:22 PM
To: Dennis Liu
Cc: speex-dev at xiph.org
Subject: Re: [Speex-dev] Can Speex frame size be expand from 160 to 320 for
Dennis Liu wrote:
> Thank you so much for your quick reply.
> It looks quite easy to change it. But, how about those codebook and excite
> table? I notice them have been fixed as the length of 160.
In case it wasn't clear from my previous email, you don't want to change
Speex, you just encode two packets and that's it.
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