How do I know whether the signal from HTPC to AVR is "pure?" - AVS Forum | Home Theater Discussions And Reviews
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Old 01-19-2014, 12:08 PM - Thread Starter
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How can I determine whether my Windows 8.1 HTPC connected to an AVR via HDMI is doing any "processing" of the audio signal before it send it to my HTPC?
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Old 01-19-2014, 02:46 PM
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Use wasapi or bitstream the audio.


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Old 01-19-2014, 05:31 PM
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Google or search "bitstreaming". Then set your HTPC up to bitstream to your AV receiver.
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Old 01-19-2014, 05:39 PM
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Can you hear a difference? If not, does it matter?
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Old 01-19-2014, 07:04 PM
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^ hey hey hey, thats not how to sell M0n$ter cable or Bo$e speakers
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Old 01-21-2014, 08:55 PM - Thread Starter
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Mrkazador, assassin,

The purpose of my post was to see whether I was successfully bitstreaming to my AVR. How can I tell?

Thanks!
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Old 01-22-2014, 12:26 AM
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The display on the receiver should show, Dolby Digital, DTS, DTS-HD, and so on...

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Old 01-24-2014, 06:29 PM - Thread Starter
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Thank you Mrkazador. When I play DVDs and Blu-rays through Total Media Theater, my AVR shows DTS-HD, Dolby Digital, etc. So, it would appear I am bitstreaming to my AVR in this situation.

Why I play hi-rez multi-channel FLAC rips of DVD-Audio through Windows Media Center, my receiver shows "Multi-Channel In." What can I make of this? Being bitstreamed?

Thanks!
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Old 01-24-2014, 06:44 PM
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As far as I know, you can't bitstream FLAC. It needs to be decoded to PCM first which is a lossless conversion. You can use a wasapi audio renderer to make sure Windows doesn't resample the audio.

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Old 01-25-2014, 10:30 AM
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Also check to make sure your two-channel audio files (including FLAC) are being sent as two channels and not multichannel with the other channels silent. If your receiver can't apply Dolby Prologic or DTS Neo to stereo soundtracks, then they aren't being sent as stereo.

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Old 01-25-2014, 01:27 PM
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Quote:
Originally Posted by olyteddy View Post

Can you hear a difference? If not, does it matter?

True, but some people don't even know what they are hearing wink.gif

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