Am I supposed to take an "INFORMATIVE" document as standard?
How can one know the output channel order if there is no standard way to map
it on creation?
Being undefined, it's up to the decoders to decide the channel order,
leading to incompatibility among implementations.
On Wed, Nov 10, 2010 at 03:49, Martin Leese <martin.leese at
stanfordalumni.org> wrote:
> Ricardo <wiiaboo at gmail.com> wrote:
> > Hi
> >
> > Why aren't the channel orders/mappings for 7 and 8 channels
defined in
> the
> > specification?
>
> Why do you think they should be? What
> advantage would this give? Also, I don't
> believe it is only 7 and 8 channel mappings
> that are undefined in FLAC. I don't see
> a mapping for *any* number of channels.
>
> At the moment, the channel order/mapping on
> output are the same as on input. This means
> that you can use any mapping you feel is
> appropriate. To see a list of mappings which
> have been specified elsewhere, visit:
> http://wiki.xiph.org/Channel_mapping_examples
>
> Scroll down to near the bottom for 7.1 and 8.0
> mappings.
>
> Regards,
> Martin
> --
> Martin J Leese
> E-mail: martin.leese stanfordalumni.org
> Web: http://members.tripod.com/martin_leese/
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>
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