[Speex-dev] Can Speex frame size be expand from 160 to 320 for NB?
Jean-Marc Valin
jean-marc.valin at usherbrooke.ca
Sat Feb 16 03:25:27 PST 2008
Dennis Liu a écrit :
> 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.
How surprising!
> It seems something else needs to be changed
> as well. Could you give a clue?
Sure, rewrite modes.c, figure out it's still bad, update nb_celp.c,
retrain a few codebooks, realise it still not that great, give up, just
encode two frames in a row as you should have done in the first place.
Cheers,
Jean-Marc
More information about the Speex-dev
mailing list