I have no sound card on my machine, but I want to (automatically) record screen with audio on it. So I thing it's some kind of virtual sound card driver needed to loop back sound send to play to microphone. Is there such solution for Windows OS?

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    +1 This is one weird question. Nice, but weird. – alex Oct 15 '09 at 6:21
  • Virtual Audio card (Lakeofsoft) unfortunately does not seem to work on Windows 7 64 bit – user115470 Jan 26 '12 at 17:02

Not sure I 100% understand your question, but you might want to check out:


sounds like this might fit your requirements.

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  • "Virtual Audio Cable" costs $30. I guess you can buy a cheap audio card for that price. – Snark Oct 15 '09 at 5:21
  • There is a free trial version limited to 3 virtual cables. This may be enough for artem.tikhomirov – user12889 Oct 15 '09 at 23:21
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    @user, the trial version has a voice saying “trial” every fer seconds, so it's not actually very useful – svick Nov 19 '10 at 12:59
  • There are also other similar drivers, like VSC (which seemed to have better pricing for our purposes). – svick Jul 19 '11 at 15:58

A cheaper virtual sound card with the same function. http://www.shiningmorning.com/VirtualAudioStreaming/index.html

Also includes a virtual webcam to broadcast/record screen/file. May consider the virtual audio+webcam package.

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    Actually, it's currently only 5 cents cheaper. – svick Nov 19 '10 at 13:11

possibly of interest:




Virtual Audio Card

It's free and it works on Windows XP and it creates 3 Virtual Audio Cables as Windows Sound drivers.

It comes from a software kit for a commercial TCP/IP mp3 streaming device. Go figure. Works for me in place of VAC (Virtual Audio Cable) but the latency on my machine is pretty awful. YMMV

(from: http://club.myce.com/f57/creating-virtual-sound-card-win2k3-enterprise-server-170878/#post2530866)

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