Multiple simultaneous audio outputs in windows 7

Anonymous
2009-12-04T01:29:16+00:00

I have seen multiple questions about enabling multiple audio outputs simultaneously in windows vista and 7, like example SPDIF and analog output, everytime answer is that its not supported by windows 7. Why is that? Why isnt it supported it worked fine in XP, could you guys give some details why isnt it supported anymore?

Windows for home | Previous Windows versions | Devices and drivers

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Anonymous
2012-01-09T06:15:33+00:00

Actually I have a very simple easy solution. It is very possible to have multiple audio outputs in win7. Well at least for this persons issue. I am the same way, I want to watch movies on my tv through the pc via hdmi but dont want to hear the sound of stuff on the pc through the tv speakers or vice versa.  So here is the simple solution.

If you use windows media player for watching the video its very easy.

  1. open windows media player
  2. right click, click tools, then options
  3. click devices tab
  4. click speakers, then properties
  5. select audio device (select HDMI output)
  6. click ok, then ok again.

All sounds through windows media player will now be played through the hdmi output and all other sounds from vlc media player, youtube, etc. will continue to play through the pc speakers.

It took me about 2 weeks to find that out. But it works.

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  1. Anonymous
    2016-03-02T09:34:09+00:00

    i used separate blue tooth device in my pc. it is connected to usb and drivers are detected automatically, after that i installed one bluetooh software "bluesoleil" and opened both blue tooth device. then connected one by one both are connected both wire less head set are connected. Problem is when we go out of range then the audio streaming will get lag. and it will be dissynchronised with the video if we are watching movie. But normally its ok if you are in suitable distance.

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  2. Anonymous
    2016-02-26T00:55:14+00:00

    I'm trying to do this using following ur instructions but using WinAmp music player and connect to a BT MiniStereo AND a separate BT iSound speaker.  I can connect to either/or, but not both at the same time, which is my goal.

    I opened the 1st Audio Repeater and connect by BT to my MiniStereo.

    When I open the 2nd AudioRepeaterKS, my choices for WaveOut are:  Unknown, Unknown, HD Audio/Speakers, Unknown, Unknown, Unknown, Virtual Cable 1.  If  select ANY of the unknowns or the HD Audio Speakers, they do not work, error message received.   If I select Virtual Cable 1, I get a god-awful squealing thru the computer speakers.

    Same thing happens if I use Windows Media Player.

    Any suggestions??

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  3. Anonymous
    2016-01-05T20:39:15+00:00

    Here is the solution:

    1. Remove the dependency on "Multimedia Class Scheduler" service from "Windows Audio" service.

         a) Open registry editor (regedit.exe)

         b) Browse to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AudioSrv

         c) Edit the key "DependOnService" and remove "MMCSS"

    1. Disable the "Multimedia Class Scheduler" service

         a) Open your windows services (services.msc)

         b) Double click "Multimedia Class Scheduler"

         c) Change the startup type to "Disabled"

         d) Click "OK"

    1. Reboot the computer

    I have done this on the following computer systems with 100% success:

    HP DV7t

    HP Envy 17 Quad

    HP Elitebook 8440p

    HP Elitebook 8470p

    HP Elitebook 9470m

    HP Elitebook 840 G1

    Asus Republic of Gamers G751

    Aorus x7Pro

    Shuttle XPC SA76G2

    Good luck!

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