[mythtv-users] SPDIF problems, SOLVED for now
crippler75 at gmail.com
Tue Feb 20 00:35:16 UTC 2007
I rebooted my machine tonight and booted back into windows to check a couple
of things from my SageTV install and when I booted back into Linux my SPDIF
starting outputting full volume for PCM material again. No clue why it is
working but it is for now!! Woot Woot!!
On 2/19/07, Kevin Ould <crippler75 at gmail.com> wrote:
> On 2/19/07, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
> > On 2/18/07, Kevin Ould <crippler75 at gmail.com> wrote:
> > > > A very thorough walk through of configuring digital sound is on the
> > > > wiki
> > > ( http://mythtv.org/wiki/index.php/Configuring_Digital_Sound)
> > > so
> > > > this is definitely worth reading through if you haven't already. I
> > > > would also check to make sure your receiver is not configured with
> > > > separate settings for stero PCM material which the S/PDIF will also
> > be
> > > > passing whenever it encounter non-AC3 material.
> > > >
> > > > Are you doing any sampling rate conversion with non-48kHz material?
> > > > Some/most receivers will not play 44kHz material (common for MP3s
> > > > ripped from CD) if they are expecting 48kHz audio over the S/PDIF
> > > > connection.
> > > >
> > > > If you connect your PC to the receiver via a stereo analog audio
> > cable
> > > > (and adjust your output settings appropriately) do you get
> > > > normal-level audio?
> > >
> > > Thanks for the reply nick. I have read through the link you referred
> > to and
> > > that is how I initially got things working but since then things have
> > farked
> > > up. So I know it is able to work I just can't manage to get the volume
> > up
> > > when playing regular non-AC3 material. The output is darn near
> > inaudible but
> > > it is there. I will try and check the normal analog outputs but I am
> > pretty
> > > confident they will work normally. I am beginning to think after
> > reading the
> > > numerous threads RE: nforce4 spdif problems that I may just have to
> > look
> > > into other options. I watched my first movie on mythtv last night(it
> > was HD
> > > Dolby Digital so sound worked) and it was nice but I had numerous
> > audio
> > > dropouts, the recording was good as if I back up over where the audio
> > > dropped out it would work on the second pass. A little annoying so I
> > seem to
> > > have multiple audio issues. :-(
> > please don't top post.
> > you say that the audio for SD shows is audible through the spdif
> > output, correct? Is it just the volume is low? If so you may need to
> > just run alsamixer and raise the volume levels. Also make sure you
> > disable Myth's internal volume controls.
> Sorry for the top post but it is just what I am used to and what my mail
> client defaults to. I will remember not to do this in the future.
> I think have tried every possible volume slider in alsa mixer and none
> make a difference. I do this while I have something playing to make it
> easier to hear a difference. Myth's internal volume controls are disabled as
> well. I solved my audio dropouts on AC3 material, seemed to be a conflict
> with XvMC, which I have shut off for now and went back to libmpeg2 for
> playback for now which seems to work smoothly.
> Thanks for the suggestions. Is there a specific volume slider I should
> check. Although I believe I have slid them all to varying points with no
> change to my stereo audio. AC3/DTS works as it should with proper output.
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