[mythtv-users] AC3 recording for digital cable boxes.

[Steve Adeff]

On Wednesday 02 November 2005 23:57, Robert Macaulay wrote:
> I have a PVR 150 and a PVR 500 on my myth box. I have my digital cable
> plugged into one of these via svideo and RCA audio.
>
> My cable box has a digital output on it--coax, and my mythbox has 2 digital
> ports. -- one optical and one digital. Its a nforce3 MB, w/ an onboard snd
> card using driver snd_intel8x0 identified as a CK8S. What makes me hopeful
> on this is the following
>
> mythbackend pcm0c # cat /proc/asound/pcm
> 00-00: Intel ICH : NVidia CK8S : playback 1 : capture 1
> 00-01: Intel ICH - MIC ADC : NVidia CK8S - MIC ADC : capture 1
> 00-02: Intel ICH - IEC958 : NVidia CK8S - IEC958 : playback 1
> mythbackend pcm0c # cat /proc/asound/devices
> 18: [0- 2]: digital audio playback
> 25: [0- 1]: digital audio capture
> 16: [0- 0]: digital audio playback
> 24: [0- 0]: digital audio capture
> 0: [0- 0]: ctl
>
> I see digital playbacks and capture devices
>
> What I'd like to do if hookup the optical out to my receiver which I know
> is possible.. but having AC3 output is not very useful if you dont have AC3
> recorded in the first place. Can I use the COAX port on the snd card as a
> recording device while using the optical as an output? And if so, how do I
> convince myth to record the video via the hauppauge, and merge in the sound
> from the sound card?
>
> Oh, the is from cable in the US, not HDTV, plain old digital cable.
>
> I've searched and searched, but what Ive found are lucky people w/ HDTV
> cable boxed recording via firewire.
>
> Thanks alot
> Robert

I'm interested in this as well since the movie channels output 5.1 for lots of 
shows and being able to capture this stream would be great.
Has anyone used digital in on their soundcard to capture an AC3 stream with 
their video? Does it sync correctly?

Steve