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EggXpert » Product Support » Computer Building & Upgrad... » Audio » no 5.1 sound

no 5.1 sound

Last post 10-27-2009, 5:03 PM by premis. 5 replies.


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09-25-2009, 8:20 AM 571443

brand
Joined on 07-29-2008
Central Florida
Embryo

no 5.1 sound

I built a computer last year and have a gigabyte motherboard with a optical audio out built into the board. Connected this via a optical cable to my receiver/amp and no sound. Have Reatek drivers loaded. What am I doing wrong? Only works with a wire jack from the green jack of the computer to the HD TV. This sound is not of high quaility. I would like to use my receiver/amp

System Specs
Budget:	VGA:	Monitor:LG 55" HD TV HDMI in
MB:gigabyte	OS:	Browser:
CPU:quad 6600	Sound:	CPU Pps:
Memory:6 gigs	PSU:	Brand:
HD:	Cooling:	Misc:

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09-25-2009, 8:52 AM 571452 in reply to 571443

Sidicas
Joined on 04-09-2007
New York
Diamond EggXpert

Re: no 5.1 sound

Make sure you go into your BIOS and turn on HD Audio (not AC'97).

Onboard RAID vs. 3Ware RAID

I never recommend people run RAID-5 with onboard chipsets.

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09-25-2009, 9:15 AM 571459 in reply to 571452

brand
Joined on 07-29-2008
Central Florida
Embryo

Re: no 5.1 sound

can't find HD audio in Bios.

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09-28-2009, 6:10 AM 572076 in reply to 571459

scorrpio
Joined on 11-21-2008
Grade A EggXpert

Re: no 5.1 sound

The AC97/HD Audio setting is for front audio ports, and has nothing to do with optical. But if your mobo has HDMI, there should be an HDMI - S/PDIF setting in the build-in devices menu, be sure to set to S/PDIF.

Be sure to get latest drivers. You don't say what OS you run, and not sure if XP has it, but under Vista/7 you should get Dolby Digital Live support. Go into Realtek control panel (looks approximately like this: http://img363.imageshack.us/img363/2728/ddlive0fw.jpg ) and set it to Dolby Digital 5.1. Also, go into settings for optical and play with sample rate. Older receivers do not support 192kHz - you may need to bump it down to 96.