On Sun, 23 Dec 2012 01:59:50 +0200 nunojsi...@ist.utl.pt (Nuno J. Silva) wrote:
> Hello, > > Today, I got a bit curious, and wanted to get some sound from a > computer which does not have any speakers at the moment. Mostly for > fun, I thought about using arecord and then listening to the file. > > I decided to have a look around the mixer, with no luck. I remember > alsamixer showing an option to use the PCM mixer as a capture device, > but this was with other, older cards (possibly an ESS Maestro or a > Creative Enqsonic). Now, for this "Intel HDA" card, I don't see an > option to select the card's own output as the input stream. > > From what I see, I'd simply assume this means the new card does not > have support for this in the hardware mixer, but I wonder whether I'm > missing something obvious. The card is listed, in lspci, as > > Audio device: NVIDIA Corporation MCP72XE/MCP72P/MCP78U/MCP78S High > Definition Audio (rev a1) > > And alsamixer lists it as > > Card: HDA NVidia > Chip: Realtek ALC887 > > Any hints? I have exactly same question/problem, but with Realtek ALC275, not on an nVidia card. As far as I can tell, I only have one capture option in alsamixer, and toggling it on only captures sound picked up by the microphone. Here's my output of amixer: <http://remarqs.net/misc/amixer.txt> And a screenshot of alsamixer's capture settings: <http://remarqs.net/misc/alsamixer-capture.png>
