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I have having problems getting dolby pro logic surround (5.1) from my PC to my receiver and out to my home theater system. My receiver is an older Yamaha Dolby Pro Logic Surround, and I am outputing from the PC Line-Out to to the Receiver

I am not able to get the rear speakers (left or right) to output anything other than very minimal sound, likely a bleed from the front-left and front-right channels. I have AC3-Filter 1.01a on the PC, and using the mixer within it I am able to verify that there are indeed L/C/R/LR/RR channels in the files I am testing with (by turning off L/C/R and mixing LR to L and RR to R).

I would assume using the AC3-Filter to "shape" the sound a bit I should be able to output the coded dolby surround thru the 2 channels to the receiver for decoding but it isnt happening. I believe the motherboard has onboard alc850??

I have tried from within mediaportal, and direct from both Windows media Player (10.x) and ATI file player, same results from each...

Patrick
----------
WIN-XP MCE
Athlon 64 3200+
GIGABYTE GA-K8NSNXP-939 nForce3 Ultra
1gb Ram, DDR SDRAM 400
ATI AIW 9800Pro
MyHD130 v1.65.2u

<blockquote data-quote="pglenn" data-source="post: 53431" data-attributes="member: 17773">I have having problems getting dolby pro logic surround (5.1) from my PC to my receiver and out to my home theater system.&nbsp; My receiver is an older Yamaha Dolby Pro Logic Surround, and I am outputing from the PC Line-Out to to the ReceiverI am not able to get the rear speakers (left or right) to output anything other than very&nbsp; minimal sound, likely a bleed from the front-left and front-right channels.&nbsp; I have AC3-Filter 1.01a on the PC, and using the mixer within it I am able to verify that there are indeed L/C/R/LR/RR channels in the files I am testing with (by turning off L/C/R and mixing LR to L and RR to R).I would assume using the AC3-Filter to &quot;shape&quot; the sound a bit I should be able to output the coded dolby surround thru the 2 channels to the receiver for decoding but it isnt happening.&nbsp; I believe the motherboard has onboard alc850??I have tried from within mediaportal, and direct from both Windows media Player (10.x) and ATI file player, same results from each...Patrick----------WIN-XP MCEAthlon 64 3200+GIGABYTE GA-K8NSNXP-939 nForce3 Ultra1gb Ram, DDR SDRAM 400ATI AIW 9800ProMyHD130 v1.65.2u</blockquote>

[QUOTE="pglenn, post: 53431, member: 17773"] I have having problems getting dolby pro logic surround (5.1) from my PC to my receiver and out to my home theater system. My receiver is an older Yamaha Dolby Pro Logic Surround, and I am outputing from the PC Line-Out to to the Receiver I am not able to get the rear speakers (left or right) to output anything other than very minimal sound, likely a bleed from the front-left and front-right channels. I have AC3-Filter 1.01a on the PC, and using the mixer within it I am able to verify that there are indeed L/C/R/LR/RR channels in the files I am testing with (by turning off L/C/R and mixing LR to L and RR to R). I would assume using the AC3-Filter to "shape" the sound a bit I should be able to output the coded dolby surround thru the 2 channels to the receiver for decoding but it isnt happening. I believe the motherboard has onboard alc850?? I have tried from within mediaportal, and direct from both Windows media Player (10.x) and ATI file player, same results from each... Patrick ---------- WIN-XP MCE Athlon 64 3200+ GIGABYTE GA-K8NSNXP-939 nForce3 Ultra 1gb Ram, DDR SDRAM 400 ATI AIW 9800Pro MyHD130 v1.65.2u [/QUOTE]