homemade PVR questions

[Steve O'Hara-Smith]

On Sat, 25 Mar 2006 15:33:49 -0500
Nicolas Blais <nb_root at videotron.ca> wrote:

> I have a WinTV card and I can record with transcode (also possible with 
> mencoder) but the problem is that whenever bktr (the wintv driver) is opened 
> for read, the TV audio that is fed from my WinTV to my sound card thru 
> the "line in" port is heard.
> 
> That means that I can record a show (audio/video) correctly, but at the cost 
> of hearing the audio while it is recording. Obviously annoying unless I turn 
> off my speakers, and I haven't found a way around (playing with mixer to turn 
> down the volume obviously turns down the recorded volume too).

	It shouldn't - my vcr script (using ffmpeg) adjusts the mixer
settings like this:

mixer vol 0
mixer line 100
mixer igain 100
mixer =rec line

	Result silence and a perfect recording.

	I have seen various names for igain on different sound cards but
never had any problems with vol reduced to 0.

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