[mythtv-users] Digital Audio out with Via chipset

[David]

James Armstrong wrote:

>> since SPDIF sends the raw PCM stream, I'd guess the only way to 
>> adjust the volume would be to resample or scale the bits on the fly - 
>> sounds unlikely. I could easily be wrong :)
>>
>> I'm sending SPDIF to my amp - which has a remote control volume knob...
>
>
> I'm using SPDIF on the Soundblaster Audigy. Controlled by ALSA. Volume 
> control works for me. I don't have to mess with the amp. The driver 
> probably just changes the amplitude before converting it to a digital 
> stream out the SPDIF.
>
> - James

Interesting.
I expected that playing a .wav file (eg) would result in a pcm stream 
that doesn't hit analogue.
Is it a DTS decoder? Does the alsa spdif volume control work when you 
send a DTS stream from xine?

just curious...

David