[mythtv-users] mythmusic iec958 help

Nick Rout nick.rout at gmail.com
Tue Jul 1 01:01:27 UTC 2008


On Tue, Jul 1, 2008 at 12:30 PM, Bob <mythtv at cox.net> wrote:
> Gregg wrote:
>>
>> I have the default settings in mythv general setup as ALSA:iec958 with
>> ac3 and dts passthrough checked,  and mythmusic generates the errors
>> posted before.  Could it be something in my .asoundrc file?  I have
>> been battling this for a couple of weeks now.
>>
>>
>>
> I know very little about this, but if memory serves me you need to use
> the asound file to tell alsa to resample from 44.1kHz to 48kHz or vice
> versa.  HTH.

By the look of the error message given that is indeed the problem.
Most digital audio decoders only work at 48000 (or 96000) Hz, whereas
the CD standard is 44100 Hz. It is indeed possible to get alsa to
resample, but don't ask me how off the top of my head. asound files
seem like a real black art to me, there are plenty of examples around
the intarweb, but no really simple documentation that I have been able
to find/understand about what is really going on.


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