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65 posts

Master Geek


Topic # 98662 3-Mar-2012 14:16
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Hi all

I have a few MP4s which MediaInfo says that it contains 6 channel AAC audio.

The problem is that my amp only receives a stereo signal from these files.

But when I play a MKV file my amp screen says DTS or Dolby Digital.

Is there any codec that will convert the AAC audio to an Amp understandable format on the fly (which I believe is AC3) instead of having to convert the files audio.

I use Media Center on Windows 7 64bit
- Intel i3-2100 3.1ghz processor
- Asus P8H61-M Pro motherboard
- 1 x 4gb Ram
- 550w PSU
- Geforce 210 video card 512mb

I use the motherboards optical S/Pdif connector to a Pioneer VSX-915 amp.

Thanks for any help and hope the 'weather bomb' doesn't treat you guys too harshly.

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525 posts

Ultimate Geek
+1 received by user: 34


  Reply # 590538 5-Mar-2012 11:41
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Would FFDshow audio decoder be able to do that?

It can decode AAC, and encode AC3 over spdif.


Give it a try.

2770 posts

Uber Geek
+1 received by user: 118


  Reply # 590766 5-Mar-2012 15:45
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ffdshow should certainly do it, but you'll probably need to mess with the filters to get it working to your satisfaction.

I know XBMC can recode AAC to AC3 on the fly, as can Plex, not sure about other media players.




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