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I have a PC in my living room (HTPC) running Windows 7 Media Center. It has a Gigabyte motherboard and I am using the embedded audio. I have the analog audio output to a SONY TV and digital output to a Yamaha soundbar. In the Control Panel I can set one output or the other to be the default device and it works fine but then I usually have to restart Media Center to have it detect the changes.

So questions:

  1. Can I have the audio outputted to both devices simultaneously so I don't have to switch?
  2. If not, is there an easier way to switch outputs (ideally from my remote)?
  3. Is there a add-in soundcard that offers this option?
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I once used this application (You can try it for free):

"Virtual Audio Cable software allows you to transfer audio (wave) streams between applications and/or devices.

It creates a set of virtual audio devices named "Virtual Cables", each of them consists of a pair of the waveform input/output devices. Any application can send audio stream to an output side of a cable, and any other application can receive this stream from an input side. All transfers are made digitally, providing NO sound quality loss (a bitperfect streaming)."

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I saw that site once before. The site didn't look that professional so I wasn't to sure about trying it out. Any experience using it with Win Media Center? – Brad Patton Mar 8 '13 at 1:56
I used it with another software, it simply create an additional output device that "redirect" the audio stream to one (or more than one) phisycal device. Never tried with WMC – AndreaCi Mar 8 '13 at 7:38

I have the same setup as yours, the different is I use Sony home theater. From my PC analog output to Sony TV and I use Optical cable from TV to my home theater. All sound from PC to TV 1st then to Home Theater. No switching whatsoever.

If I have optical output on my PC, I would directly plug it to Home Theater System.

You can also upgrade your GPU with HDMI port. Since HDMI carry sound also, you won't need another audio cable. I am currently with this setup. HDMI from GPU to TV and the home theater already connected to TV via HDMI(↔). Sound is better than analog.

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It's an older TV with only DVI video inputs and analog audio inputs. I have HDMI on the motherboard but no where to send it to. Maybe I can use this as an excuse with the wife to upgrade the TV :). – Brad Patton Mar 8 '13 at 1:58

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