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I'm currently using the onboard sound on my Asus P6T6 WS Revolution motherboard (SoundMAX Integrated Digital Audio) and was wondering if there was any way to make either windows or the audio drivers upscale 2-channel audio to 5-channel audio (basic duplication would suffice)?

I was using a creative sound card but got fed up with the memory leaks and poor sound quality.

To clarify: I have a 5.1 sound system and the onboard card supports 5.1 output. I have 5.1 games and applications from which I want full 5.1 sound; However, I also have some applications (music) which is only stereo, which I would like to upscale to 5.1 without losing the 5.1 sound from other applications.

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  • Headphones exist with stereo-to-5.1 converters; those converters usually come as a separate box between 3.5 plug and the headphones. Maybe those will work for you. For basic duplication, there are 3.5mm splitters with 1 male 3.5 plug and 2 female 3.5 sockets. That should give you 4 channels with 1 splitter, and 6 channels with 2 splitters :)
    – chronos
    Commented Jun 2, 2010 at 23:43
  • @chronos A stereo-to-5.1 defeats the purpose, as that would strip the extra channels from applications that provide it.
    – Darth Android
    Commented Jun 3, 2010 at 5:08
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    Sorry, that wasn't clear before the edit. Have you had a look at superuser.com/questions/96796/… ?
    – chronos
    Commented Jun 3, 2010 at 13:19
  • That is winamp-specific or realtek-specific (not the chipset I have), and I was looking for something on the system level, because while that works for the example, I have other applications I would like to see affected (flash, youtube, java, and games which do not have surround sound)
    – Darth Android
    Commented Jun 3, 2010 at 13:43
  • I have seen an option in the SoundMax Application somewhere before where you can tell it how to handle MONO/STEREO to your 5.1 Output. Like Stereo - Use all channels. Stereo USe Front or Back/ disable WOOFER. post processing, pre processing. Are you using that Application provided with the MB?
    – Piotr Kula
    Commented Oct 6, 2011 at 12:15

2 Answers 2

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You need to use an option called Speaker Fill - follow these steps in Windows 7:

  1. Open control panel --> Sound
  2. Click on the your device, and then click properties
  3. Click on the 'Enhancements' tab
  4. Tick the 'Speaker Fill' box, and then preview the sound

This basically creates a mirror image of your front speakers into your rear speakers

Also I believe you can get to these settings by playing something in WMP and then going to the now playing view, and right clicking on the album art, and choosing enhancements

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  • Does not appear on my computer. The only way I got this to work is through a Winamp plug-in.
    – bobobobo
    Commented Mar 12, 2011 at 20:36
  • Which version of Windows are you using?
    – falter
    Commented Apr 14, 2011 at 10:19
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    this does not do what you think it does. This simulates 5.1 audio over 2.1 speakers.
    – Darth Android
    Commented Jun 23, 2011 at 16:09
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    This does do what I think it does - it fills all of your speakers with the stereo sound, so that music comes out of all 5 channels for instance, even though the source is only 2 channel. Test it for yourself, it works perfectly
    – falter
    Commented Jul 12, 2011 at 8:18
  • Virtual Surround is the simulation of surround sound over a stereo audio output. Since replacing my motherboard, I have noticed a new enhancement, named 'Speaker Fill', which does do what I want.
    – Darth Android
    Commented Nov 6, 2011 at 19:22
1

You can upsample Your Music to 5.1 Using MATRIX plugin on winamp software.

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2
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    Welcome to SuperUser! Please give an explanation on how exactly your proposed answer solves the question, by giving sources, a selfwritten short overview of the tool you would use, and at best quotes from the actual manual or other source that states how the tool can be used. Short answers like this one that only say „use that piece of software“ are very likely to be deleted.
    – DarkDiamond
    Commented Jan 26, 2022 at 6:57
  • I think he means MatrixMixer.
    – ClioCJS
    Commented 2 days ago

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