HD4350, HDMI audio issues

The place to sound off on all things related to audio, from sound cards to speakers.

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Re: HD4350, HDMI audio issues

Postposted on Wed Sep 30, 2009 5:28 pm

What kind of files were you trying to play?
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Re: HD4350, HDMI audio issues

Postposted on Sat Nov 07, 2009 7:41 pm

Axeman, I feel all your problems as well. The only difference is I am trying to get my 4350 to work with windows 7. I can get 5.1 pcm, but I can't get the dts or ac3 pass through to work. I really want to get my htpc to work with this soon.
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Re: HD4350, HDMI audio issues

Postposted on Mon Nov 09, 2009 9:32 am

mmmmmdonuts21 wrote:Axeman, I feel all your problems as well. The only difference is I am trying to get my 4350 to work with windows 7. I can get 5.1 pcm, but I can't get the dts or ac3 pass through to work. I really want to get my htpc to work with this soon.

When I was using the 4550 with Win7 RC, I really needed to mess with ffdshow's settings to get that going. Once that is done the passthrough works. I don't have 5.1 LPCM material so I can't really test that, but the receiver defaults to 5.1 LPCM mode anyways and when I'm playing AC3 materials the DD sign lights up. ;)

Still need to figure how to upmix all stereo stuff to 5.1 automagically though, but I'm happy with those H.264+AC3-in-MKV stuff.
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Re: HD4350, HDMI audio issues

Postposted on Tue Nov 17, 2009 11:59 am

Thanks for your help Flying Fox. While searching how to use ffdshow I stumbled upon this website: http://shark007.net/index.html

From there I then installed the 32bit package and then the 64 bit package. I changed three settings in the audio tab

1) Changed speakers from 2 channel to 5.1
2) checked set AC3 fliter to use spdif passthrough
3) clicked use passthrough under the ffdshow option area.

I recommend trying this option if your having problems. It was a beautiful sight seeing the red lights DD on my receiver light up. I did it on windows 7 x64.
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