Leo Davidson wrote:
> On Fri, 7 Jul 2000, las wrote:
>
> > Ralph, DTS is a whole other world. You combine that with TXH ( or is it THX?)
>
> THX is just a guarentee of certain qualities, it's not a sound format or
> encoding.
That is correct. But the standards that have to be met are very specific. I have
heard THX DVDs.
The sound is fantastic.
> THX is more like a seal of approval than anything else, and one
> of dubious worth, FWIW. For example, a DVD with the THX logo might still
> be a non-anamorphic transfer, but everyone would agree that a (widescreen)
> DVD should be anamorphic if it's meant to be of the highest quality.
>
> > because unlike Dolby, in DTS all of the channels are full spectrum (and
> > the rear channels are separate descrete
>
> If you mean Dolby Digital, this isn't entirely true. Dolby Pro-Logic is
> what you're describing.
Yes I was referring to Dolby Pro Logic.
> That has left, right and rear channels
> only, AFAIK. Dolby Digital is a different format to Pro-Logic. Both Dolby
> Digital and, like DTS, features fully discrete 5.1 channel sound: left,
> right, centre, rear-left, rear-right, and low frequency effects (the .1),
> which is sometimes called the subwoofer channel, but that is slightly
> incorrect. (Although the way the LFE channel is usually used, it might as
> well be true.)
>
> I think DTS stands for Digital Theatre Sound, but I often get the name
> wrong so don't quote me on that, heh! (In case anyone thought the D in DTS
> meant Dolby.)
>
> There are also new versions of both DD and DTS, I think called DD-ES and
> DTS-ES (Extended Surround). (Actially, I can't find the article I read on
> DD-ES so I could be remembering things wrong! DTS-ES definitely exists,
> though.) The ES part gives DTS yet another channel for rear-centre.
>
THX is Lucus's bag. DTS is Spielberg's. But of course it is possible to be both.
Yes DTS stands for Digital Theater Sound. The D is not for Dolby. And the S does
not stand for Spielberg or Steven. I'm told that eventually all DVDs will be
released in Dolby Pro Logic, Dolby digital and DTS. Right now it is kind of hard
to find DTS encoded DVDs if you are just shopping around and not looking to special
order it. But that is supposed to change. At this point there are loads of folks
with plain old Dolby Pro Logic. So they can't dump that for a while.
More and more people have Dolby Digital and DTS is something that most people who
do not have more then a passing interest in Audio, know nothing about.
But I still think that Dolby Digital does not have the frequency response for the
rear speaker that it has for the front.
>
> All very exciting, I know... heh :-)
>
Well it is kind of neat if you have been into "hi fi" for a long time.
Regards,
Larry
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