[mythtv-users] Audio not working... What should I check?

Wed Nov 13 01:33:54 UTC 2013

Try these two at the command line, see if either of them plays back the wav
file. You should have that wav file, it comes with alsa...

aplay -D plughw:0,2 /usr/share/sounds/alsa/Front_Right.wav

aplay -D plughw:0,7 /usr/share/sounds/alsa/Front_Right.wav

If you have the same issue I did, one will play, the other will not...

On Mon, Nov 11, 2013 at 5:03 PM, Leif Pihl <leif at pihl.us> wrote:

> Colin Mackay:
>
> Yup.  I got very similar output, here it is:
>
> **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH],
> device 0: ALC892 Analog [ALC892 Analog] Subdevices: 1/1 Subdevice #0:
> subdevice #0 card 0: PCH [HDA Intel PCH], device 1: ALC892 Digital
> [ALC892 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 2: HDMI 0 [HDMI 0]
> Subdevices: 1/1 Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
> Subdevices: 1/1 Subdevice #0: subdevice #0
>
>
>
>
> Eric Sharkey:
>
> I haven't gotten to read that web site just yet.
>
>
>
> LP
>
>
>
>
>
>
>
> On Nov 11, 2013, at 10:05 AM, Colin Mackay wrote:
>
> Here's something to try...  Lets see what devices Linux see's.  Try this
> command:
>
> *aplay -l*
>
> This should give you something along the lines of:
>
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: ALC889A Analog [ALC889A Analog]
>   Subdevices: 0/1
>   Subdevice #0: subdevice #0
> card 0: Intel [HDA Intel], device 1: ALC889A Digital [ALC889A Digital]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: Intel [HDA Intel], device 3: HDMI 0 [HDMI 0]
>   Subdevices: 0/1
>   Subdevice #0: subdevice #0
>
>
>
>
> On Mon, Nov 11, 2013 at 10:23 AM, Leif Pihl <leif at pihl.us> wrote:
>
>> See below
>>
>>
>>
>> On Nov 11, 2013, at 9:04 AM, Leif Pihl wrote:
>> > On Nov 11, 2013, at 8:33 AM, Eric Sharkey wrote:
>> >> On Sun, Nov 10, 2013 at 9:03 PM, Leif Pihl <leif at pihl.us> wrote:
>> >>> On the screen right now is a series of 16 bar graphs.
>> >>> At the top center, it's labeled AlsaMixer v1.0.26 (maybe 28 - it's a
>> fuzzy photo that I took; I'm in a different room.)
>> >>> Upper left corner says the following:
>> >>>  Card: HDA Intel PCH
>> >>>  Chip: Intel PantherPoint HDMI
>> >>
>> >> Ok.  That means that PulseAudio is not active.
>> >
>> > Hmmm...  What would it say if PulseAudio WAS active?
>> >
>> >
>> >> You are using the HDMI connection on the motherboard itself, not a
>> >> discrete PCI Express graphics card, is that correct?
>> >
>> > Yes - motherboard's HDMI interface.
>> > I suspected the software was going to be tough enough,
>> > so I wanted the hardware to be as simple (and low cost - eh) as
>> possible and/or practical.
>> >
>> >
>> >>> The bar graphs show this data, going left to right:
>> >>>  Master: 41 (bar is roughly 41-ish percent up from the bottom)
>> >>
>> >> That's a little low.  I'd recommend that you bump that to 100.  I'm
>> >> not sure if it really matters with HDMI, though.
>> >
>> > I'll see if I can figure it out.
>> > I'm assuming that if I select it in some way (tab?) that I can use the
>> up-arrow key.
>> >
>> >
>> >> Underneath the bar, does it show OO or MM?  You want it to say OO (you
>> >> can toggle this with the m key).
>> >>
>> >> Eric
>> >
>> >
>> >
>> > With the SIX exceptions listed below, most of the bar graphs did show
>> the "OO" characters you were looking for.
>> >
>> >> For those of you who archive the past messages, this is a response to
>> messages dating from 11/08/13.
>> > << CLIP >>
>> >> The bar graphs show this data, going left to right:
>>
>>
>> I was able to adjust the first ten and last two bar graphs.
>>
>> Of the first ten, I set them all to 100%
>> All four of those that I could not adjust started with "S/PD...".
>>    (I've NOT changed their mode from "OO" to "MM" as of yet.)
>> The last two (Rear Mic's) could be adjusted, but I left them at 0%.
>>
>>
>> Still no change regarding the Audio output.
>>
>>
>> What does the "S/PD..." and so forth stand for?
>> Should I change their modes from "OO" to "MM", or leave them alone?
>>
>>
>>
>> >>  Master: 41 (bar is roughly 41-ish percent up from the bottom)
>> >>  Headphone: 100<>100 (bar is at 100%)
>> >>  PCM: 100<>100 (bar is at 100%)
>> >      (BLANK)
>> >
>> >>  Front: 100<>100 (bar is at 100%)
>> >>  Front Mi: 0<>0 (bar is at 0%)
>> >      MM
>> >
>> >>  Front Mi: 0<>0 (bar is at 0%)
>> >      (BLANK)
>> >
>> >>  Surround: 100<>100 (bar is at 100%)
>> >>  Center: 100 (bar is at 100%)
>> >>  LFE: 0<>0 (bar is at 100%)
>> >>  Line: 0<>0 (bar is at 0%)
>> >      MM
>> >
>> >>  S/PDIF: (blank) (bar is NON Existant)
>> >>  S/PDIF D: (blank) (bar is NON Existant)
>> >>  S/PD 1: (blank) (bar is NON Existant)
>> >>  S/PD 2: (blank) (bar is NON Existant)
>> >>  Rear Mic: 0<>0 (bar is at 0%)
>> >      MM
>> >
>> >>  Rear Mic: 0<>0 (bar is at 0%)
>> >      MM
>>
>>
>> See above.
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>>
>
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