[opus] Audio quality for or different samping rates but same audio bandwidth

Jean-Marc Valin jmvalin at jmvalin.ca
Fri Mar 22 14:08:23 PDT 2013


The other important question is whether the problem happens when you
encode at 24k or when you decode at 24k.

	Jean-Marc

On 03/21/2013 11:35 PM, Benjamin Schwartz wrote:
> Could you be a little more explicit about what OPUS/24000 means? Are you
> calling libopus from C, or using some other encoding method?  What does
> "audio bandwidth set to narrowband" mean?  What version of libopus are
> you using?
> 
> 
> On Thu, Mar 21, 2013 at 9:51 AM, Olle Frimanson
> <olle.frimanson at keystream.se <mailto:olle.frimanson at keystream.se>> wrote:
> 
>     Hi,____
> 
>     __ __
> 
>     We have observed a noticeable difference in audio quality for
>     OPUS/24000 with audio bandwidth set to narrowband mode compared to
>     OPUS/8000. The observation was that OPUS/8000 have better quality
>     compared to OPUS/24000 in nb mode.____
> 
>     __ __
> 
>     All other settings was the same is this expected behavior?*/____/*
> 
>     */__ __/*
> 
>     __ __
> 
>     BR/Olle____
> 
> 
>     _______________________________________________
>     opus mailing list
>     opus at xiph.org <mailto:opus at xiph.org>
>     http://lists.xiph.org/mailman/listinfo/opus
> 
> 
> 
> 
> _______________________________________________
> opus mailing list
> opus at xiph.org
> http://lists.xiph.org/mailman/listinfo/opus
> 



More information about the opus mailing list