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SageTV Media Extender Discussion related to any SageTV Media Extender used directly by SageTV. Questions, issues, problems, suggestions, etc. relating to a SageTV supported media extender should be posted here. Use the SageTV HD Theater - Media Player forum for issues related to using an HD Theater while not connected to a SageTV server.

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  #1  
Old 09-30-2009, 05:30 PM
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bigo93bronco bigo93bronco is offline
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Question AC3 & SPDIF

I've been reading through many many posts, and I can't find exactly what i'm looking for, so i'll just ask.

Is there any configuration that will allow the HD200 to adjust the volume of AC3 audio tracks over SPDIF? I'm aware that DTS tracks just get passed onto to the reciever, but I can't adjust AC3 either and everything seems to be in that format. I don't care if I get stereo or multi channel audio, I just want to be able to control the volume through sage over SPDIF.
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Old 10-01-2009, 08:48 AM
Taddeusz Taddeusz is offline
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No, when you bitstream AC3 and DTS from the HD200 it passes the audio with no modification. Your TV or surround receiver must pick up the slack to adjust the volume. Any device or computer works this way when bitstreaming AC3. In order to do otherwise would require the device to decompress and recompress the audio which would degrade the quality as AC3 is lossy compression.
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  #3  
Old 10-01-2009, 10:44 AM
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Quote:
Originally Posted by bigo93bronco View Post
I've been reading through many many posts, and I can't find exactly what i'm looking for, so i'll just ask.

Is there any configuration that will allow the HD200 to adjust the volume of AC3 audio tracks over SPDIF? I'm aware that DTS tracks just get passed onto to the reciever, but I can't adjust AC3 either and everything seems to be in that format.
Both AC3 and DTS are bitstreamed formats, and bitstreaming and volume control are mutually exclusive. Only way to adjust volume of an AC3 track is by decoding it to PCM and adjusting the volume of the resulting PCM.

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I don't care if I get stereo or multi channel audio, I just want to be able to control the volume through sage over SPDIF.
If you don't care if it's stereo or not, then just set the Extender to PCM output mode instead of bitstream, then the extender will decode the AC3 to PCM and AFAIK allow volume control.
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Old 10-01-2009, 11:03 AM
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I've tried setting it to PCM, and It still can't adjust the volume. What should I check?
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  #5  
Old 10-01-2009, 02:47 PM
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You might want to try selecting analog output (and keep using S/PDIF, or maybe fall back to analog). It's possible they never do digital volume control, but just adjust the level of the analog outs with the volume control.
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  #6  
Old 10-01-2009, 03:13 PM
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bigo93bronco bigo93bronco is offline
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I think i'll just get a universal remote and program it to control sage, minus the volume controls which i'll program for the reciever. Sage should address this issue for the next extender version.
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  #7  
Old 10-01-2009, 03:18 PM
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You could just switch to analog. You're not losing anything since you're not caring about 5.1 anyway.

And if you want it in the next release, you should file a bug/support request.
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