Optical Audio Cable

jay-co

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any of you use an optical cable for audio?

i tried to connect my htpc to my home theatre system last night using the optical cable but i could not get any sound through.

on the pc side its set to optical digital out and in win 7 i can see audio is being transmitted, and on the ht side it is on digital in.

when i take the cable out of the ht i see a constant red light through the cable. is it suppose to flicker or what.

any advice??
 
Its a constant light.

Try spdif or scroll through your options. Mine has "aux" & "aux opt". Only the latter one works with the optical cable.
 
Is your sound set to stereo?

I remember when I did this the first time, my sound card did not support dolby digital live, which is required for applications/software to output over the optic in surround.
Maybe your device is set to surround and u not getting any sound. Try changing to stereo.

Also, try testing with a dvd on the htpc. The dvd has dolby encoded audio allready, and might make noise.
 
It's probably the audio source setting on your AV receiver that's wrong. It may be "optical in" or "digital in" or something like that. In fact, there should be a label on the socket where you plugged the cable in, which corresponds to the menu or remote control setting that you need.

You can also test by plugging in a DVD player or game console or something that has optical out. Then you can ascertain whether the problem is on your PC side or your Reciever side. It sounds like you have the problem I mentioned above, though.
 
Hi guys

I've experienced the same problem on my machine, I see a constant red light out the socket, it says the socket is spdif, but do I need a special cable for spdif?
 
Dude, firstly, if your eyes can see the light of toslink flickering, you must get really annoyed at CRT screens, cause toslink operates at 2.8MHz for 44.1k stereo. Secondly, toss the toslink and go with a coax cable. (its called toslink for a reason)
 
Cool, thanks P924.

Anyone know where I can get a Coax cable that fits into the laptop because every computer shop I've asked look at me blankly? :-)
 
Its a normal RCA 75 ohm ... so a video RCA will work
 
Hmmm, most notebooks don't have coax out, so you might have to do some more debugging with the toslink... good luck
 
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