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Old 01-26-2019, 07:00 PM   #1
crowe-t crowe-t is offline
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Default Regular(compressed)Dolby Digital & DTS on Blu-Ray and 4K Discs?

I have an old Denon AVR3300 receiver from 2000. It only has regular (compressed) Dolby Digital and DTS decoding and playback for DVD's. I hope this makes sense.

I'll be hooking up my Sony UBP-X700 4K Blu-Ray player using the coaxial digital output.

If I play Blu-Ray or 4K discs, do they have regular Dolby Digital and DTS 5.1 that can be sent out the coaxial digital output to my receiver?
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Old 01-26-2019, 11:00 PM   #2
TripleHBK TripleHBK is offline
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Both DTS-MA HD and Dolby True HD (as well as Atmos) have a core DTS/Dolby Digital track embedded within the Lossless signals. You should be able to play the compressed soundtracks without issue. Worst case scenario is that you may need to set the player to output pcm audio which will result in 2 channel uncompressed audio instead of a surround track, but at least you'd be able to hear the soundtrack if everything else fails.
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Old 01-27-2019, 01:01 AM   #3
crowe-t crowe-t is offline
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Quote:
Originally Posted by TripleHBK View Post
Both DTS-MA HD and Dolby True HD (as well as Atmos) have a core DTS/Dolby Digital track embedded within the Lossless signals. You should be able to play the compressed soundtracks without issue. Worst case scenario is that you may need to set the player to output pcm audio which will result in 2 channel uncompressed audio instead of a surround track, but at least you'd be able to hear the soundtrack if everything else fails.
Thanks for this information.
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Old 01-27-2019, 11:43 PM   #4
captainsolo captainsolo is offline
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Essentially you'll be getting anywhere from DVD standard DD and DTS quality codecs to a much larger bitrate track depending on the encode. The modern HD codecs contain a legacy core track perfectly and many times it is far larger than what the DVD standard would allow so you will still hear an audible benefit. I think most TrueHD core tracks a around 640kbp/s and DTSHDMA core audio is around the old 1509kbps bitrate of full DTS on Laserdisc and early DVD.
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