[speex-dev] reommended settings for low bitrate voicecom codec ?

[Peter Kirk]

Am Dienstag, 13. Mai 2003 03:22 schrieb Allen Drennan:
> Hello,
>
> HawkVoice doesn't have a 6.3kbps codec for CELP, it has a 4.5kbps CELP
> codec and I do not believe it is being used by TeamSpeak.  The 6.4kbps CELP
> being used in TeamSpeak, to which you are referring I believe comes from
> Lernout & Hauspie's LHACM.ACM file which it appears you are redistributing
> (I assume TeamSpeak has a license and permission to do this).  The only
> people I thought had this license was Microsoft for Netmeeting 3.
Well,

im very sure teamspeak only uses hawkvoice codecs currently. It might very 
well be that the 4.5 kbps Cepl from HawkVoice comes to be 6.3 with the 
overhead...

>
> From my experience, the Speex codec is much better than the 4.5kbps CELP
> codec in HawkVoice, and on par with various L&H CELP codecs.  It is tricky
> to implement though, and if you don't do it right - it won't sound correct.

So, then (as teamspeak currently doesnt use L&H) speex should sound better not 
worse ? What might there be wrong ? 

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