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Home Theatre Uncompressed PCM? DTS HD? Dolby HD?, Which do you go for?
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TSAstroCreep
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Sep 22 2008, 02:14 PM, updated 18y ago
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Getting Started

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Life's getting complicated.....
Before my new Blu-Ray and AV Receiver, life were simpler with my HTIB... always choose DTS.
Now? Got Uncompressed PCM la, DTS MA la, DTS HD, Dolby HD, PLII Movie, Neo ,THX, etc..etc..
Due to old habit, I still look for DTS where possible, Dolby being the next. But what about this "Uncompressed 5.1 PCM"? Any noticeable performance? Am I missing anything?
What's your preference?
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mpyw
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Sep 22 2008, 03:36 PM
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if you have decent speakers and those AVR capable of handling HD audio, the differences are obvious. Even my wife notice the different.
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TSAstroCreep
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Sep 22 2008, 03:49 PM
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Getting Started

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QUOTE(mpyw @ Sep 22 2008, 03:36 PM) if you have decent speakers and those AVR capable of handling HD audio, the differences are obvious. Even my wife notice the different. Thanks mpyw. For sure I'd go for HD. But the Uncompressed 5.1 PCM - is it better or lesser than the HD?
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mpyw
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Sep 22 2008, 03:53 PM
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Uncompress PCM as it's name said - It's uncompress and takes up lots of storage in the disc.
in theory it should be the same as DTS-HDMA and Dolby TrueHD. one is uncompress files, the other 2 are "zip" audio files stored inside the disc to save storage space.
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htkaki
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Sep 22 2008, 05:24 PM
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Lossless audio is the way to go. Be it uncompressed PCM, DTS HD MA or Dolby TrueHD, the sound from either one of these formats is simply fantastic!
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pierreye
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Sep 22 2008, 06:49 PM
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Uncompressed PCM = WAVE file. DTS HD MA or Dolby TrueHD = Flac or Ogg (loseless).
Just a simple comparison. So in actual fact, it should be identical.
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myqd
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Sep 22 2008, 07:17 PM
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berani u ask " Uncompressed PCM, DTS MA , DTS HD, Dolby HD, PLII Movie, Neo ,THX, etc..etc.." here,sure lots of sifus will poison u kaw kaw kaw
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fentanyl
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Sep 22 2008, 07:48 PM
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If u are looking for reference Linear PCM BD, buy Kill Bill Vol I & II.
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yed
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Sep 23 2008, 08:00 AM
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QUOTE(fentanyl @ Sep 22 2008, 07:48 PM) If u are looking for reference Linear PCM BD, buy Kill Bill Vol I & II.  the poison is coming
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SUSHornyAngMoh
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Sep 23 2008, 09:20 AM
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Actually I am confuse too. In fact when I listen to DTS HD on BD & DTS on DVD it sound the same to me!  BY right should be better!? Something wrong with my BD30 set-up??? Panny BD30 HDMI to Onkyo 875 HDMI in. Onkyo 7.1 set-up ( normal cheapo speaker ) Panny BD30 audio setting all set to bistream, secondary audio set to off. Thank in advance for all advice! Have a very nice day!
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aiman04
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Sep 23 2008, 10:14 AM
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FYI:  Note: The bitrate indicated are the most commonly found, while they can actually be higher. Horny, your setting is correct, just make sure you're listening preset for DTS-HD MA as DTS-HD MA, and so on. The Panny BD30 can bitstream high-bitrate audio, so no problem there.
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arremie
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Sep 23 2008, 11:00 AM
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dude...u sure love diagram
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myqd
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Sep 23 2008, 11:42 AM
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wow,thanks aiman for the diagram Old questionBDs play with PS3,the audio signal oledi decode in PS3 oledi,rite?
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arremie
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Sep 23 2008, 11:48 AM
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That's right. PS3 decode everything and send out PCM signal to AVR.
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JiauBoy
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Sep 23 2008, 11:50 AM
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if u select pcm in the BD/DVD setting, then ps3 will go the decoding. id bitstream then yr amp will do the decoding
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myqd
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Sep 23 2008, 11:52 AM
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QUOTE(arremie @ Sep 23 2008, 11:48 AM) That's right. PS3 decode everything and send out PCM signal to AVR. ok,so when the AVR received PCM signal,it wont show DTS-HD,TrueHD....and what type of "surround" we need to choose for best AQ,say both Yammy and Onky ?
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JiauBoy
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Sep 23 2008, 11:54 AM
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it will show multichanal. and those DTS-HD,TrueHD.... 'red box' will not lightup
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myqd
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Sep 23 2008, 11:55 AM
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QUOTE(JiauBoy @ Sep 23 2008, 11:50 AM) if u select pcm in the BD/DVD setting, then ps3 will go the decoding. id bitstream then yr amp will do the decoding if select bitstream,our AVR will do the decoding and show TRue HD,DTS-HD in ur AVR,sure? how if we select bitstream but using optical output from PS3 and going to a old amp without HDMI input?
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arremie
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Sep 23 2008, 11:56 AM
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QUOTE(JiauBoy @ Sep 23 2008, 11:50 AM) if u select pcm in the BD/DVD setting, then ps3 will go the decoding. id bitstream then yr amp will do the decoding PS3 don't do bitstream. QUOTE(myqd @ Sep 23 2008, 11:52 AM) ok,so when the AVR received PCM signal,it wont show DTS-HD,TrueHD....and what type of "surround" we need to choose for best AQ,say both Yammy and Onky ?  Yep ur amp will only show PCM. Doesn't matter whether u bitstream or send PCM, as long as ur source is good ur output will be good.
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JiauBoy
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Sep 23 2008, 11:57 AM
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with bitstream, no HD sound loh
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