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 Posted: Sat, 29th Oct 2005 21:38 Post subject: TC and TS |
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Hi.. I have looked around a bit to see if there already exists an answer to my question in this forum - but with no luck..
Often in different movie titles you see something like this:
this.could.be.some.movie.name.TC.some.group.rar
Sometimes its TS instead of TC - i know that this has something to do with the quality, but what does this actually stand for??
Thanks in advance....
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SycoShaman
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Location: Toronto, Canada
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| Posted: Sun, 30th Oct 2005 00:18 Post subject: |
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I prefer TC's myself....isnt Centropy a Svcd, TC group?
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[sYn]
[Moderator] Elitist
Posts: 8374
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| Posted: Sun, 30th Oct 2005 01:25 Post subject: |
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TC's are better, quality wise, by far.
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| Posted: Mon, 31st Oct 2005 22:12 Post subject: |
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why you don't see 5.1 tc's anymore
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SycoShaman
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| Posted: Mon, 31st Oct 2005 22:22 Post subject: |
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I do...i think? 
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| Posted: Mon, 31st Oct 2005 22:24 Post subject: |
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tc have been released a lot lately, but the quality of them sucks a lot lately, look more like TS, sometimes with cam audio
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nouseforaname
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| Posted: Mon, 31st Oct 2005 22:42 Post subject: |
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I don't remember the last 5.1 TC I've seen ... or even if there has been one.
Any you remember?
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Griffon
Banned
Posts: 1875
Location: Belarus
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| Posted: Tue, 1st Nov 2005 21:01 Post subject: |
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Why waste ac3 on TCs ? :\
About Hitman: Movie (2007)
Vin Diesel is a hardcore gamer, and absolutely loves the Hitman series. For that reason I have faith that he wont destroy the movie.
Response: Well, Uwe Boll probably loved the Alone in the Dark games.
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nouseforaname
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| Posted: Tue, 1st Nov 2005 21:30 Post subject: |
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have you seen the island, serenity, flightplan, emily rose etc etc etc TCs? Some of they look great, almost dvd quality.
But about the audio, the telecine process is strictly video, so how would they get a 5.1 track if not by some really sneaky ass methods?
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SycoShaman
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Location: Toronto, Canada
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| Posted: Tue, 1st Nov 2005 21:34 Post subject: |
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| nouseforaname wrote: | have you seen the island, serenity, flightplan, emily rose etc etc etc TCs? Some of they look great, almost dvd quality.
But about the audio, the telecine process is strictly video, so how would they get a 5.1 track if not by some really sneaky ass methods? |
Yeah, Emily Rose and Flightplan were awesome quality.... |
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| Posted: Wed, 2nd Nov 2005 02:26 Post subject: |
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| SycoShaman wrote: | | nouseforaname wrote: | have you seen the island, serenity, flightplan, emily rose etc etc etc TCs? Some of they look great, almost dvd quality.
But about the audio, the telecine process is strictly video, so how would they get a 5.1 track if not by some really sneaky ass methods? |
Yeah, Emily Rose and Flightplan were awesome quality.... |
true. but stil NOWHERE CLOSE to dvd quality...it's still miles away...
seriously...that's just ridiculous to compare
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SycoShaman
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| Posted: Wed, 2nd Nov 2005 03:13 Post subject: |
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| weird0 wrote: | | SycoShaman wrote: | | nouseforaname wrote: | have you seen the island, serenity, flightplan, emily rose etc etc etc TCs? Some of they look great, almost dvd quality.
But about the audio, the telecine process is strictly video, so how would they get a 5.1 track if not by some really sneaky ass methods? |
Yeah, Emily Rose and Flightplan were awesome quality.... |
true. but stil NOWHERE CLOSE to dvd quality...it's still miles away...
seriously...that's just ridiculous to compare |
not dvd quality, but for still being in theatre and basically, a theatre rip, i think they were awesome. Sure, it'd be nice to have dvdrips and screener rips day of theatre release, but that happens rarely, so i dont mind the quality of the TC's that are floating around out there...good number of em too. |
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| Posted: Wed, 2nd Nov 2005 11:58 Post subject: |
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| jaapie18 wrote: | | why you don't see 5.1 tc's anymore |
Mainly because now DTS disc are encrypted, as someone said before TC is strictly video, groups are getting audio via jack 3.5mm in theater, as far as i know DTS disc are not cracked yet, that's why no 5.1 TC anymore
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SycoShaman
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| Posted: Wed, 2nd Nov 2005 20:40 Post subject: |
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DTS disc....link for some specs/info on it?
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nouseforaname
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| Posted: Wed, 2nd Nov 2005 21:16 Post subject: |
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| SycoShaman wrote: | | DTS disc....link for some specs/info on it? |
Digital Theater Systems (DTS)
In theatrical use, information in the form of a modified time code is optically imaged onto the film, a DTS processor in the projection booth uses this timecode to synchronize the projected image with the soundtrack audio, which is recorded in compressed form on standard CD-ROM media at 1.5 Mbit/s. The processor also acts as a transport mechanism, it holds and reads the audio discs. The units can generally hold 3 discs, allowing a single processor/transport to handle 2-disc film soundtracks along with a 3rd disc containing sound for theatrical trailers. In addition, specific elements of the imprinted timecode allow identifying data to be embedded within the code, ensuring that a certain film's soundtrack will only run with that film.
DTS actually stores the sound information on separate CD-ROMs supplied with the film. The CDs are fed into a special modified computer (usually a 386 or 486 system) which syncs up with the film through the use of DTS time code, decompresses the sound, and passes it through to a standard analog Dolby processor. The time code is placed between the optical sound tracks and the actual picture, and is read by an optical LED ahead of the gate. The time code is actually the only sound system which is not offset within the film from the picture, but still needs to be physically set offset ahead of the gate in order to maintain continuous motion. Each disc can hold slightly over two hours of sound, so longer films will require a second disc, which means that the sound will temporarily revert back to the optical track while changing discs. DTS is a six track system (although it has an earlier, discontinued four track counterpart), and as might be expected of the oldest of the three digital systems, has the most inferior compression. Of the three digital formats currently in use, DTS is the only one that has been used with 70 mm presentations. DTS was premiered on Jurassic Park. A consumer version of DTS is available on some DVD's.
http://en.wikipedia.org/wiki/Digital_Theater_Systems
http://en.wikipedia.org/wiki/Movie_projector#Sound
all this vs. a dolby digital track which is on the actual film reels themselves.
Dolby Digital SR-D cinema soundtracks are optically recorded on a 35mm release print using sequential data blocks placed between every perforation hole on the sound track side of the film. A CCD scanner in the projector picks up a scanned video image of this area, and a processor correlates the image area and extracts the digital data as an AC-3 bitstream. These data are finally decoded into a 5.1 channel audio source.
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SycoShaman
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| Posted: Wed, 2nd Nov 2005 21:50 Post subject: |
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Oh shit, my surround sound system is dts compatible too  I thought DTS was some kinda Dolby thing, cuz i also have 5.1 surround sound, nuances power speakers .
Still, can u buy DTS discs? or a dts audio/video combo? is the sound better than dolby? sounds like it would be as its a separate source....?
And why havent dts discs been cracked yet? some kinda good protection on it?
Thanks for the info nouse
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nouseforaname
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| Posted: Wed, 2nd Nov 2005 22:18 Post subject: |
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The type of disc he was referring to is just specific to movie theatres. Those cinemas with DTS systems play the sound off of a CD to go along with the video off the projector. I guess before people were just ripping the discs off from theatres
For home use, a lot of new dvds come with both a Dolby Digital and a DTS track on them. DTS is supposed to be better (it's less compressed than Dolby Digital), and you need both a dts compatible dvd player as well as dts compatible receiver.
Often discs come with "half-rate" DTS tracks, which are basically no different from DD. Any real discussion on it can be pretty subjective ..
| Quote: | The Dolby Digital vs DTS debate remains a long standing, insoluble debate among home theater enthusiasts and "Audiophiles" on the internet (via arenas such as usenet groups) and elsewhere. Debators compare the two audio codecs, Dolby Digital and DTS, arguing that one or the other 'sounds' or 'is' inherently better, yet consensus is rarely reached. This is a home theater forum equivalent subject for Godwin's law. It is unlikely a consensus will ever be reached, due to the inherent difference in volume (DTS is naturally louder than Dolby Digital) preventing accurate comparison.
The argument for DTS: "DTS is much less compressed than Dolby Digital so it sounds much better than Dolby Digital." In this context 'better' means closer to the original source before the compression occurred.
The argument for Dolby Digital: "Dolby has a more efficient codec that doesn't need the extra bits to create an accurate recreation of the original sound." This argument maintains that the audio data left out by Dolby Digital isn't really heard by the human ear, so the extra data isn't missed on playback. The bitrate savings allow a higher video bitrate, in the context of a DVD.
Note: For 6-channel surround sound, Dolby Digital bitrates generally range from 384 kbit/s to 448 kbit/s (although capable of 640 kbit/s) while DTS bitrates range from 768 kbit/s to 1.5 Mbit/s (1536 kbit/s, the maximum bitrate CD and S/PDIF can allow). For more information on 'the audio data left out' see audio data compression. |
http://en.wikipedia.org/wiki/Dolby_vs_DTS
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SycoShaman
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| Posted: Wed, 2nd Nov 2005 22:37 Post subject: |
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Hmmm...Im gunna have to keep my eye for dts sound options on dvds...if it has the dts symbol on the dvd package, how do activate it? a few of my dvd's have the dts logo on them, along with dolby dig logo's and stuff...is it in the options menu or something like that? Cuz my receiver is Prologic II, Dolby Dig and Dolby 5.1 and DTS compatible...and I think it supports a few other formats too.
DTS sounds better tho i'd think...if its closer to the original sound source and uses less compression, least i think that would be good. Dolby 5.1 is bad ass tho, watching braveheart or alexander or some other war movie in 5.1, sound up loud, is fuckin awesome. Saving private Ryan on a 5.1 system is completly different than watching it on normal stereo.
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nouseforaname
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| Posted: Wed, 2nd Nov 2005 22:41 Post subject: |
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yeah, the dvd case will say dts and you can choose it in the audio options menu.
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SycoShaman
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Posts: 24468
Location: Toronto, Canada
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| Posted: Wed, 2nd Nov 2005 22:44 Post subject: |
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| nouseforaname wrote: | | yeah, the dvd case will say dts and you can choose it in the audio options menu. |
hmm...maybe i should pay more attention to shit 
Now I gotta rifle through all my dvd's...i wonder if the bourne supremcy has dts...? |
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| Posted: Thu, 3rd Nov 2005 12:19 Post subject: |
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please keep in mind that *home* Theather DTS and Theater DTS are two different things.
DTS Soundtrack on dvd are not encrypted and are muxed with video, with the proper Knowledge you can rip DTS soundtrack, DTS on dvd is also compressed to fit on dvd9.
Theater Soundtrack comes on a CD-ROM, the DTS system reads timecode on the film and synchronizes playback from the CD-ROM discs, the CD-ROM is encrypted, Soundtarck is not compressed
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nouseforaname
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| Posted: Thu, 3rd Nov 2005 16:54 Post subject: |
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Actually, it is compressed. read above wiki link  Nothing worth arguing over though 
| Quote: | | DTS actually stores the sound information on separate CD-ROMs supplied with the film. The CDs are fed into a special modified computer (usually a 386 or 486 system) which syncs up with the film through the use of DTS time code, decompresses the sound, and passes it through to a standard analog Dolby processor. The time code is placed between the optical sound tracks and the actual picture, and is read by an optical LED ahead of the gate. The time code is actually the only sound system which is not offset within the film from the picture, but still needs to be physically set offset ahead of the gate in order to maintain continuous motion. Each disc can hold slightly over two hours of sound, so longer films will require a second disc, which means that the sound will temporarily revert back to the optical track while changing discs. DTS is a six track system (although it has an earlier, discontinued four track counterpart), and as might be expected of the oldest of the three digital systems, has the most inferior compression. |
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