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Reciever not decoding DTS.

post #1 of 11
Thread Starter 
This is weird. My Panasonic receiver will do Dolby Digital just fine and is labeled as decoding DTS but on my blu-ray's which are DTS audio, it's not playing audio and the DTS "can you hear this" test on windows doesn't play anything.

I'm using a SA-PT760 and have it connected via toslink (optical) to my htpc.

Any ideas on what the problem could be? Why would it only decode dolby digital?
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post #2 of 11
Toslink:

Digital audio bitstream. Originally limited to 48 kHz at 20 bits. Extended to support all modern formats, except Dolby Digital Plus, TrueHD, and DTS HD audio streams.
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post #3 of 11
Quote:
Originally Posted by tsm106 View Post
Toslink:

Digital audio bitstream. Originally limited to 48 kHz at 20 bits. Extended to support all modern formats, except Dolby Digital Plus, TrueHD, and DTS HD audio streams.
I'm using toslink and my yamaha receiver decodes DTS just fine.
post #4 of 11
Thread Starter 
I'm using toslink on 2 computers and my Logitech (main rig) and my Sony (prior htpc) receivers decode DTS perfectly.
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post #5 of 11
I assumed you were using DTS HD with bluray which is why I posted that.
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post #6 of 11
I use a Panasonic SA-HT40 receiver on one of my secondary PC's and you have to set it to use DTS. On mine if you hold down the Menu/Setup button on the receiver you can scroll to DTS-PCM and select Yes/No. This may be the way it is on yours as well.
     
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post #7 of 11
Your receiver says it does DTS, it doesn't say it does DTS-HD. Completely different codecs. If your source is a Blu-ray there is a very good change it's DTS-HD, which is a lossless audio track. And no, Toslink can not handle the data stream of DTS-HD or DolbyHD, there is simply too much data. Only HDMI or use all 6 cables of analog component 5.1 to connect the two (if your BD even has 5.1 out, which most don't).

Check your blu-rays case to see if it says DTS-HD.
     
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post #8 of 11
Quote:
Originally Posted by Pao View Post
Your receiver says it does DTS, it doesn't say it does DTS-HD. Completely different codecs. If your source is a Blu-ray there is a very good change it's DTS-HD, which is a lossless audio track. And no, Toslink can not handle the data stream of DTS-HD or DolbyHD, there is simply too much data. Only HDMI or use all 6 cables of analog component 5.1 to connect the two (if your BD even has 5.1 out, which most don't).

Check your blu-rays case to see if it says DTS-HD.
But it will send the core dts track as required by the specs.
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post #9 of 11
This is true. And the only thing I can think of, albeit probably far fetched, is that since it's a htpc, and not a standard bluray player, that it isn't automatically switching to the standard dts track due to the built in sound chip being what's sensed before it even gets passed to the receiver.

Again, not going on anything here, just trying to think of the un-thought of.
     
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post #10 of 11
Thread Starter 
http://www.newegg.com/Product/Produc...82E16827106325

That's my blu-ray drive.

The old receiver took a coax cable from the on board audio. The new one is toslink. To my knowledge there's really no difference between the two other than the medium correct?
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