[vlc-devel] Re: transcode - audio down-mix
babal at via.ecp.fr
Sun Oct 12 15:42:09 CEST 2003
On Sun, Oct 12, 2003 at 11:11:55AM (GMT+0200), Gildas Bazin wrote:
> On Saturday 11 October 2003 23:49, Boris Dorès wrote:
> > On Fri, Oct 10, 2003 at 10:58:31AM (GMT+0100), Simon wrote:
> > > I note that transcode.c code is receiving attention lately. While you
> are at
> > > it, do you have any plans to give us a down-mix audio transcoding
> > > from more than 2 channels to 2 channels (stereo output). I have a number
> > > DVDs which are 5.1 and I play them on a hardware which only supports 2
> > > channels. Some sound effects are on channels other than front left and
> > > and the audio output of these titles is not that great.
> > It may not be the perfect solution for your problem, yet you can still
> > try to use the "headphone channel mixer" audio filter. It's intended to
> > downmix any source to a stereo output suitable for a headphone, adding a
> > virtual spatialization effect, but that effect should be discreet with
> > traditionnal speakers.
> Unfortunately it is currently impossible to use the existing audio filters
> while transcoding.
> This may change in the future though.
Yet I'm not sure he actually needs to transcode to achieve what he
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