[mythtv-users] watching recording : sound but no voice
guillaume.ml at gmail.com
Sun Dec 20 12:43:44 UTC 2009
I found that the problem is related to the compilation options :
when compiling mythtv on my atom with --enable-proc : I get no voice
when compiling mythtv on my Core 2 Q6600 with --enable-proc : I have
sound and it plays perfectly.
How can I help in order to identify where the problem come from ?
2009/11/19 Guillaume Membré <guillaume.ml at gmail.com>:
> On Thu, Nov 19, 2009 at 3:57 PM, Allen Edwards
> <allen.p.edwards at gmail.com> wrote:
>> On Thu, Nov 19, 2009 at 1:16 AM, Dan <dansto.well+myth at gmail.com> wrote:
>>> It's possible that some of the channels are being summed in antiphase,
>>> so that any sounds in the "centre" (equally panned between two
>>> channels) are cancelling themselves out. Not sure if that's likely in
>>> your setup, but it's commonly the case in music that the vocals are
>>> panned to the centre with other things slightly off, so summing in
>>> antiphase removes the vocals but leaves residual sound from the
>> I think his problem is to opposite of this. If the center information is
>> being split it would not be split out of phase unless there was already
>> center information in the sides. In that case, he could unmute the center
>> and hear voice, but that is not what is happening.
>> If there is a simple asla.conf and alsamixer is set correctly, I can't think
>> of what else it could be. Again, this is a analog output you are getting
>> and not digital out right? The other thing you can try is hooking up
>> something to the center channel and see if that is in fact where the voice
>> has gone.
> You are correct, I just want analog output.
> I delete my alsa conf, restart the computer : still no voice :(
> I tried to plug my speakers on the other jack, but only the green one
> give sound.
> Mplayer plays the same file perfectly.
> It is quite strange :(
> I'll try with an other distro when I'll get time.
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