[FFmpeg-devel] [PATCH] QCELP postfilter
Michael Niedermayer
michaelni
Tue Apr 13 18:45:23 CEST 2010
On Tue, Apr 13, 2010 at 11:38:36AM -0400, Ronald S. Bultje wrote:
> Hi,
>
> On Wed, Apr 7, 2010 at 4:42 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> > the problem i have with this is that we dont know if the ffmpeg decoder
> > is correct. It feels like building on an unsound foundation.
>
> It's what we have, I'm OK with saying it's incorrect but can't fix
> that, at least not now.
>
> > i really would like to start with a qt decoder vs reference decoder vs
> > ffmpeg with reference postfilter.
> > also a more varied sample, that is female + male voice might be a good
> > idea.
>
> http://people.gnome.org/~rbultje/ff/
>
> There's the source (lossless flac, female voice, counting 1-20 and
> on), the converted QCP (using Qualcomm Purevoice software) and the
> output of the Qualcomm Purevoice software with that file.
the flac is 2channel 44khz, the others are 1channel 8khz
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Concerning the gods, I have no means of knowing whether they exist or not
or of what sort they may be, because of the obscurity of the subject, and
the brevity of human life -- Protagoras
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20100413/b9f5acd7/attachment.pgp>
More information about the ffmpeg-devel
mailing list