[mythtv-users] HDMI ac3 passthough audio
James Armstrong
james at thearmstrongs.org
Tue Feb 10 17:50:39 UTC 2009
>>
>
>
> I think that the answers given don't address what the issue is here.
> I am not at home, so I can't try the given line out, but I will tell
> you my problem with audio over HDMI. I can get regular audio to work
> using hw:0,3 or any number of variations on that. I cannot, however,
> get S/PDIF passthrough to work over HDMI, only over my standard
> optical out. I always just get clicking noises. It is passing the
> digital as an analog signal. I think the key in the line JP used is
> "alsa:device=iec958=1". In alsamixer, I have "iec958", "iec958
> default", and "iec958 1" all listed but I have never found how to tell
> anything to use "iec958 1" as the device. I will try it out tonight
> and see if it will give my proper passthrough or not, but I think that
> this may be the problem. So, the question then would be, is there any
> way to address "iec958 1" as the passthrough device, a la
> "ALSA:iec958(AES0 0x02)"?
> J
I have had the exact same problem. Can get hdmi audio, but if I enable
passthrough get clicking / pops
- James
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