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Windows program to capture audio from other program? (kkapture fails to capture audio)

category: general [glöplog]
 
I want to do a video of a demo running in an emulator (for YouTube upload etc.)
By setting the emu to use OpenGL for output I got a very nice capture of the video using kkapture.
However kkapture doesn't seem to capture the audio at all,. Is there some other util I can use to get the audio (then I can reassemble everything in VirtualDub)?
The last option would be to hook my line-out to line-in, and record it that way, but I don't have any appropriate cable.
added on the 2010-12-05 18:04:37 by Sdw Sdw
Have you tried recording from the "Stereo Mix" input that's available in Windows (up until Vista at least, dunno about Windows 7)?
added on the 2010-12-05 18:12:02 by mic mic
there also used to be "virtual audio cable" or VAC that allows you to do this digitally - stereo mix often loops via an analog signal, if i'm not mistaken. no clue if its still maintained though.

i guess if you set a VAC output devide as default the emu should pick it, and then you can just record from the corresponding input device with your favourite sound recorder.
added on the 2010-12-05 18:20:45 by skrebbel skrebbel
eh, to clarify: VAC is/was an application (shareware, if i'm not mistaken)
added on the 2010-12-05 18:21:15 by skrebbel skrebbel
Audacity can record "what you hear is what you get". Freeware.
added on the 2010-12-05 18:37:42 by r0XX0r r0XX0r
Audacity relies on Stereo Mix, though, I'm rather sure about that.
Also it's not Freeware but Free Software *nitpicking*
Thanks, the "Stereo Mix" input combined with the built in windows sounds recorder and a WMA-to-MP3 converter solved my problem!
added on the 2010-12-05 19:18:27 by Sdw Sdw
Pro audiocards let you route signals quite freely, eg. M-Audio Audiophile 2496 and such. Then theres stereo mix, but this seems to be hidden on some drivers.
added on the 2010-12-05 19:45:51 by leGend leGend
windows vista and up hide the stereo mix channel (if it's there) to prevent piracy.
see here how to re-enable it.
http://www.youtube.com/watch?v=Fci5PTr6mxc

but if you have a standard soundcard of this era (2006 onward), it won't probably have this function.
sdw: what are you trying to capture?

if audio capturing doesn't work somewhere, i consider that a bug and would like to fix it.
added on the 2010-12-05 23:14:38 by ryg ryg
ryg: I was capturing the output from Stella.
added on the 2010-12-06 00:36:37 by Sdw Sdw
If you have even a low-end sound card, you can simply loop the line-out signal to line-in with a cable for a very decent capture.
added on the 2010-12-06 09:34:54 by doomdoom doomdoom
I've done it with one of these, and there is no discernible loss of quality:

BB Image
added on the 2010-12-06 09:36:11 by doomdoom doomdoom

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