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08-31-2007, 11:34 AM
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#1 of 8 
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Member
Location: Foothill Ranch, CA
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Local Date: 10-14-2008
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U-571 HD DVD Audio Question
Hi Folks,
I see that on the Universal U-571 HD DVD it lists Dolby Digital Plus and DTS as the two soundtrack selections.
Now, I know that the Dolby Digital Plus, while not lossless, is a higher bitrate than the standard DD that is on regular SD DVD's. My question is about the DTS soundtrack that is included here. It is labeled as just DTS, not DTS+ or anything like that. Is this DTS track a higher bitrate than a standard DTS track on a SD DVD? Does it compare to the DD+ in terms of quality, or is it a standard SD DVD DTS soundtrack?
I did notice that when playing the DTS track my reciever showed 'Multi Ch In' rather than 'DTS', so that would tend to make me believe that this is a higher quality encode than SD DTS. (I'm passing the signal from an HD-A2 to a Denon AVR 2807 via HDMI, with HDMI audio output set to 'Auto' on the player).
One final note is that to my ears, the DTS sounded a little fuller and better, but that could just be psychological.
-Jeff Cooper
\"Curse you inspector Dim! You are too clever for us naughty people.\"
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08-31-2007, 12:00 PM
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#2 of 8
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Member
Location: San Jose, Ca.
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Local Date: 10-14-2008
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Re: U-571 HD DVD Audio Question
Check the bitrate. With Sleepy Hollow, the original was a 754K DTS track and on the BD it has a 1509K track that does sound better.
"The trouble with the world is not that people know too little, but that they know so many things that ain't so." - Mark Twain
HT: Marantz SR-8300, MA500 monoblocks x 2, 5X GR Research A/V-2s, Adire Audio Tempest sub, Denon 2900, Oppo 980H, Toshiba HD-A2, RC2000MkII remote, Panamax 5100, Panamax Max2 sub, Slim PS2, PS3 60G + 320G USB
Bedroom: Marantz PM-7200 Integrated, GR Research A/V-1s, Sony 222ES SACD, RC3200 remote, Panamax M8EX
Audio: Audioquest * Video: Bluejeans
My DVDs  My HT
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08-31-2007, 02:10 PM
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#3 of 8
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Douglas Monce
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Location: Phoenix, Arizona
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Re: U-571 HD DVD Audio Question
I believe previous Universal releases have had Dolby Digital+ tracks at 3.0 Mbit, but I don't know if all of them have. The DTS track would most likely be 1.5 Mbit.
Doug
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08-31-2007, 02:12 PM
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#4 of 8
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Member
Location: Foothill Ranch, CA
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Re: U-571 HD DVD Audio Question
How would I check the bitrate of the soundtrack?
-Jeff Cooper
\"Curse you inspector Dim! You are too clever for us naughty people.\"
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08-31-2007, 05:26 PM
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#5 of 8
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Member
Location: San Jose, Ca.
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Local Date: 10-14-2008
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Re: U-571 HD DVD Audio Question
Someone who has an A2 will have to answer that...or check your manual. It should be one button away.
"The trouble with the world is not that people know too little, but that they know so many things that ain't so." - Mark Twain
HT: Marantz SR-8300, MA500 monoblocks x 2, 5X GR Research A/V-2s, Adire Audio Tempest sub, Denon 2900, Oppo 980H, Toshiba HD-A2, RC2000MkII remote, Panamax 5100, Panamax Max2 sub, Slim PS2, PS3 60G + 320G USB
Bedroom: Marantz PM-7200 Integrated, GR Research A/V-1s, Sony 222ES SACD, RC3200 remote, Panamax M8EX
Audio: Audioquest * Video: Bluejeans
My DVDs My HT
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09-01-2007, 01:36 PM
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#6 of 8
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Member
Location: Lacombe, AB
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Re: U-571 HD DVD Audio Question
What I would love for a track on U-571 is not possible with current HT equipment. U-571 was released to theatres with an SDDS 8 channel track, which would be a beautiful thing.
\"My opinion is that (a) anyone who actually works in a video store and does not understand letterboxing has given up on life, and (b) any customer who prefers to have the sides of a movie hacked off should not be licensed to operate a video player.\"-- Roger Ebert
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09-01-2007, 02:07 PM
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#7 of 8
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Member
Location: Helsinki, Finland
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Re: U-571 HD DVD Audio Question
Doesn't Dolby TrueHD or PCM do 7.1? It should be possible, theoretically speaking at least, to take an 8-channel mix and preserve the information in a home theater mix.
Whether this is practical or worth the cost, I don't know. I am aware of the fact that theatrical SDDS does not offer a home theater equivalent, which may complicate things.
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09-01-2007, 03:29 PM
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#8 of 8
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Douglas Monce
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Location: Phoenix, Arizona
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Re: U-571 HD DVD Audio Question
Quote:
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Originally Posted by Marko Berg
Doesn't Dolby TrueHD or PCM do 7.1? It should be possible, theoretically speaking at least, to take an 8-channel mix and preserve the information in a home theater mix.
Whether this is practical or worth the cost, I don't know. I am aware of the fact that theatrical SDDS does not offer a home theater equivalent, which may complicate things.
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The mix could still be used and encoded to either True HD or DTS master audio. True HD supports up to 8 channels. DTS master audio supports 7.1 channels.
Doug
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