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Motherboard Optical to Receiver The Receiver Composit Audio Out to Motherboard Audio IN

post #1 of 3
Thread Starter 
Sounds like crazy talk but I would like to be able to use Audacity to record audio on my computer but it doesn't see any recording devices.
I am using the SPDIF Optical out of my motherboard to a Yamaha v375 receiver and the motherboard uses Realtec audio.
I was thinking that maybe I could use the composite audio out on the back of my Yamaha and use a 3.5mm adapter to go to the audio in on the motherboard.
The only concern I have is, will this make some weird kind of infinite loop ?
post #2 of 3
    Onboard Realtek audio devices (especially the newer ones) usually have exceptional sound quality.  Many of them also have "jack detection", which means that you don't see a recording device because you don't have anything plugged into the line-in (or microphone) jack.  As soon as you plug something into one of those jacks, a recording device should appear.  You may have to restart Audacity to refresh its device list.

    Connecting the output to a line-in shouldn't cause an infinite loop.  Most sound devices nowdays don't play the sounds coming from the line-in or microphone jacks through to the speakers by default like older sound devices did.  Anyway, you can find out by plugging it in and seeing if you hear any terrible squeal.  If you don't, you're good to go.  If you do, you should be able to disable the "play-through" feature on your sound device by going to the "Sound" applet in the control panel, selecting your SPDIF playback device, clicking [Properties], going to the "Levels" tab, and making sure that "Line In" (or whatever its named on your system) is turned all the way down.  I am actually doing the same thing (with analog audio, not SPDIF) to occasionally record audio my computer is playing back:



    I hope that answered your questions adequately! thumb.gif
My desktop PC
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-3770K Gigabyte P67A-D3-B3 NVIDIA GeForce 8400 GS  1x Corsair 8 GB 
Hard DriveHard DriveHard DriveOS
Kingston SV300S3 WesternDigital WD10EZEX Samsung HD154UI Windows 7 Ultimate SP1 x64 
MonitorMonitorKeyboardPower
Daewoo L947BK Gateway FPD1530 HTK-2001 Dynex DX-400WPS 
MouseAudio
Kensington K72400 Realtek ALC889 
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My desktop PC
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-3770K Gigabyte P67A-D3-B3 NVIDIA GeForce 8400 GS  1x Corsair 8 GB 
Hard DriveHard DriveHard DriveOS
Kingston SV300S3 WesternDigital WD10EZEX Samsung HD154UI Windows 7 Ultimate SP1 x64 
MonitorMonitorKeyboardPower
Daewoo L947BK Gateway FPD1530 HTK-2001 Dynex DX-400WPS 
MouseAudio
Kensington K72400 Realtek ALC889 
  hide details  
Reply
post #3 of 3
Thread Starter 
Thanks, looks like I'll start digging around for a adapter in my hoarder piles of stuff smile.gif
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Overclock.net › Forums › Components › Sound Cards and Computer Audio › Motherboard Optical to Receiver The Receiver Composit Audio Out to Motherboard Audio IN