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 Dolby vs DTS

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darkanbil
post Dec 4 2010, 01:09 AM

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DVD
DTS = 1536Kbps(Full) 768Kbps(Half) @ 48Khz @ Up to 6.1
Dolby = 448Kbps or 640kbps @ 48Khz @ 5.1

BluRay/HDDVD
DTS-HD = Up to 24.5Mbps @ 96Khz @ Up to 7.1
Dolby TrueHD = Up to 18Mbps @ 96Khz @ Up to 7.1
LPCM = Up to 27.6Mbps @ 192Khz @ Up to 7.1

the choice is yours.....

This post has been edited by darkanbil: Dec 4 2010, 01:14 AM
pap55
post Dec 4 2010, 01:23 AM

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DVD Dolby limited at 448kbps, only Blu-Ray 640kbps and HDDVD at 504kbps

for whose AVR support HDMI with HD Audio Pass-throw decoding go Lossless or LPCM.
jeehouhee
post Dec 4 2010, 05:29 AM

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normally u guys choose DTS/DOBLY by the BD/DVD or DB player or AMP ?
piscesguy
post Dec 4 2010, 07:50 AM

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QUOTE(jeehouhee @ Dec 4 2010, 05:29 AM)
normally u guys choose DTS/DOBLY by the BD/DVD or DB player or AMP ?
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what r u trying to ask? rclxub.gif
piscesguy
post Dec 4 2010, 07:52 AM

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QUOTE(specuvestor @ Dec 3 2010, 06:09 PM)
I used to like DTS because it sounded louder

Then I started to realise that DTS sounded sharper and not as soft or natural like Dolby... anyone has the same experience? Maybe it is just the source encoding and not the technology itself.

Feels like the same sharper LCD vs softer Plasma debate...
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That is what I called it high treble....makes ur ear pain.. biggrin.gif
Skylinestar
post Dec 4 2010, 08:53 AM

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QUOTE(jeehouhee @ Dec 4 2010, 05:29 AM)
normally u guys choose DTS/DOBLY by the BD/DVD or DB player or AMP ?
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choose the soundtrack through the disc menu, or press the dedicated audio button on the remote control to change.

This post has been edited by Skylinestar: Dec 4 2010, 08:53 AM
jeehouhee
post Dec 4 2010, 08:53 AM

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Example when u put a DVD in ur DVD player. In movie title u will have a SETUP option to let u choose. English DTS or English 5.1 rite ?

And ur amplifier will have DTS or DOBLY (all like of surround).

So let say if u want to choose DTS surround.
U will select in ur DVD player or ur amplifier ?

Hope u guys understand coz i dunno how to clarified it too
Skylinestar
post Dec 4 2010, 08:59 AM

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select in ur DVD player, not ur amplifier
jeehouhee
post Dec 4 2010, 11:27 AM

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So what should i set for the AMP ?
minimize
post Dec 4 2010, 12:52 PM

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You don't have set nothing at AVR. It will auto decode what ever type of supported audio from dvd player
writesimply
post Dec 4 2010, 01:26 PM

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QUOTE(lee_lnh @ Dec 3 2010, 03:00 PM)
same system.. but dolby decoder is independent of dts decoder. How can it perform the same? and depend on the system hardware configuration, the way the decoder software parameters are written, it affects the actual output.
Exactly right. If the encoder did not use the right parameters, the output will be affected. Therefore s/he must know what s/he is doing.

The fact that Dolby TrueHD and DTS HDMA are lossless codec says something. If they are not outputting exactly what was given as the input, they wouldn't pass the lossless test. Wouldn't the AES have been alerted by now if either one doesn't pass the lossless test?

By the way, using LPCM on BDs is good except that it takes up the bandwidth. If the feature is short and visually uncomplicated, it's fine.


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azbro
post Dec 4 2010, 02:29 PM

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next we are going to have BMW Vs Benz smile.gif

And then BMW M vs Benz AMG

This post has been edited by azbro: Dec 4 2010, 02:42 PM
choontoy
post Dec 4 2010, 06:22 PM

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Analog Stereo thumbup.gif
ariff_tech
post Dec 6 2010, 02:45 AM

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QUOTE(choontoy @ Dec 4 2010, 06:22 PM)
Analog Stereo  thumbup.gif
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Untouch Audio signal, superior than any audio codec. thumbup.gif thumbup.gif thumbup.gif thumbup.gif thumbup.gif
dariofoo
post Dec 6 2010, 10:31 PM

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QUOTE(jchong @ Dec 2 2010, 03:34 PM)
Technically both TrueHD and DTS HD MA should sound the same since both are lossless.

But really you guys can't use different movies or concerts to compare (because the mix can be diff). Only way to properly evaluate is if same movie contains both TrueHD and DTS HD MA and you play both to compare.
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specuvestor
post Dec 7 2010, 02:50 PM

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^^^ I beg to differ... it can be a lossless bad encoding as well. Garbage in garbage out... you get the same exact bit by bit garbage but that doesn't make you happier smile.gif

QUOTE(piscesguy @ Dec 4 2010, 07:52 AM)
That is  what I called it high treble....makes ur ear pain.. biggrin.gif
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So is this a characteristic of DTS encoding that it will hike the treble? Hence you will always feel it is louder?

This post has been edited by specuvestor: Dec 7 2010, 02:53 PM
lee_lnh
post Dec 9 2010, 01:43 AM

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QUOTE(jeehouhee @ Dec 4 2010, 08:53 AM)
Example when u put a DVD in ur DVD player. In movie title u will have a SETUP option to let u choose. English DTS or English 5.1 rite ?

And ur amplifier will have DTS or DOBLY (all like of surround).

So let say if u want to choose DTS surround.
U will select in ur DVD player or ur amplifier ?

Hope u guys understand coz i dunno how to clarified it too
*
OK 1st solution is assuming ur using BD/DVD player HDMI 1.3 with CEC function > goin through a CEC able amplifier + surround speakers 5.1/7.1 > then to TVin order for the sound to come out in surround and TV mutes

1) set a player to output bistream through HDMI (either Auto or non-PCM)
TURN OFF "Mix" or "Secondary audio" options well

2) set at amplifier or TV HDMI option = speaker to "amp only". Not "amp+tv".
juz set either one.. CEC will handle it.

3) make sure amp is set at DIRECT. Not STEREO.

4) amp speaker layout 5.1/7.1/7.1 with rear surround A & B, or individually configured speakers (Denon amp have tis function)
coz some amp have upmixing or even prologic/dts-neo:6 kick in


2nd solution if dont have CEC

at step 2) set at both amp and TV

then during movie/content option. select either Dolby/DTS


3rd solution if using coaxial or optical to amp (which support up to 5.1 only)
this 1 is not so accurate... but for Sony BD player.. these are the guidelines

keep amp and TV settings like previous

at player set Coax/SPDIF to Dolby/DTS and never PCM. some have combined option.. some seperates

a) for BD player set "mixing" on.. to enable re-encode into bitstream

b) if "mixing" is set off. SPDIF Non-supported bitstream is decoded at 7.1ch codec and output as LPCM 5.1


Added on December 9, 2010, 1:52 am
QUOTE(ariff_tech @ Dec 6 2010, 02:45 AM)
Untouch Audio signal, superior than any audio codec. thumbup.gif  thumbup.gif  thumbup.gif  thumbup.gif  thumbup.gif
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also still depend on DAC and op-amp performance

i.e SAMSUNG C5900/C6500 uses cirrus logic 4353c, SONY S370/S470/S570/S770 uses Wolfson WM8524

2 different maker... go check their spec sheet already shows different performance
but final performance is influenced by many other performance such as EMC, power line noise/ripple, DVD/BD drive capability~

This post has been edited by lee_lnh: Dec 9 2010, 01:52 AM
feelfree
post Dec 9 2010, 09:20 AM

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QUOTE(piscesguy @ Dec 4 2010, 07:52 AM)
That is  what I called it high treble....makes ur ear pain.. biggrin.gif
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I think that guy is playing the pirated dvd, usually the rirated dvd DTS sound isn't the true DTS made in the DTS studio, those pirated dvd DTS audio is made by their own from Dolby, they just simply make the sound level higher than normal level. Please support original DVD and BD!
Andrewtst
post Dec 9 2010, 09:34 AM

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QUOTE(feelfree @ Dec 9 2010, 09:20 AM)
I think that guy is playing the pirated dvd, usually the rirated dvd DTS sound isn't the true DTS made in the DTS studio, those pirated dvd DTS audio is made by their own from Dolby, they just simply make the sound level higher than normal level. Please support original DVD and BD!
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Original DVD - DTS some title also generate more high treble and it became noise after all.

This post has been edited by Andrewtst: Dec 9 2010, 09:34 AM
lee_lnh
post Dec 10 2010, 06:29 PM

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QUOTE(Andrewtst @ Dec 9 2010, 09:34 AM)
Original DVD - DTS some title also generate more high treble and it became noise after all.
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the correct term to define this symptom is called "dialogue normalization".

Dialogue or vocal, which has the usual range of 400 Hz to 4kHz is not attenuated, That why DTS often sound "sharper" in the "trebel" region.

for Dolby formats the dialogue normalization is usually between -27dB to -31dB.
for DTS formats is 0dB.

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