Re: [ARSCLIST] Risk assessment tool Q2

["joe@xxxxxxxxxxx" <sergei01@xxxxxxxxxxxxx>]

Are there plug-ins for decoding dbx encoded tapes?

js

----- Original Message ----- 
From: "Tom Fine" <tflists@xxxxxxxxxxxxxxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxxxxxx>
Sent: Sunday, January 08, 2006 9:43 AM
Subject: Re: [ARSCLIST] Risk assessment tool Q2


> There is a constant chatter level in the plug-ins community about writing
a Dolby decoder. There are
> detailed schematics of at least the CAT-22 card, so one would think that a
SPICE model would yield
> the needed DSP parameters. I would imagine the folks at Dolby and their
lawyers would have a few
> things to say, though.
>
> I think this could be a boom for transferring Dolby C encoded cassettes
and video because, as we've
> discussed, Dolby C decoding is very sensitive to level decay and most
tapes -- particularly
> thin-track/small-format/oft-played tapes lose level over time. I
understand the rationale behind
> Dolby C, but in retrospect, I'm not sure it was a good idea for the end
user. For the manufacturers,
> it was a way to guarantee that DAT and that short-lived Philips digital
cassette format never made
> in-roads into the home hifi market (Dolby C specs, meaningless as all
published specs are vis-a-vis
> real music reproduction, were quite impressive compared to Dolby B -- 
although I'd argue that Dolby
> HX should have been pushed wider because it was an excellent idea and
extended B's performance).
> Minidisc was also in that mix and has survived mainly due to a loyal cult
following and Sony's
> tenacity in the face of constant mass-market rejection.
>
> Richard, without giving away trade secrets, do you have anything but a
very small percentage of
> business with non-mainstream formats (I'd call mainstream Dolby A, B, C
and SR and dbx I and II)?
>
> -- Tom Fine
>
>
> ----- Original Message ----- 
> From: "Richard L. Hess" <ArcLists@xxxxxxxxxxxxxxx>
> To: <ARSCLIST@xxxxxxxxxxxxxxxx>
> Sent: Sunday, January 08, 2006 10:13 AM
> Subject: Re: [ARSCLIST] Risk assessment tool Q2
>
>
> > At 11:51 AM 1/7/2006, Don Cox wrote:
> >
> >>There is a need for a software decoder for Dolby B and C, with
> >>adjustments for dealing with such problems.
> >>
> >>But even in the 1980s, I used to find that a Dolby cassette played back
> >>on a different machine did not always sound right - it seems the
> >>circuits were often badly adjusted in manufacture or had drifted.
> >>
> >>C is of course more fussy than B.
> >
> > And there is also Dolby S.
> >
> > The idea of the decoder in software is great, but as long as Dolby is
selling hardware products,
> > they have no interest in the plug-ins.
> >
> > The majority of my non-tape-machine equipment in my transfer studio is
obsolete noise reduction
> > and I don't have enough!
> >
> > Cheers,
> >
> > Richard
> >
> >
> > Richard L. Hess                   richard@xxxxxxxxxxxxxxx
> > Aurora, Ontario, Canada       http://www.richardhess.com/
> > Detailed contact information:
http://www.richardhess.com/tape/contact.htm
>
> __________ NOD32 1.1356 (20060108) Information __________
>
> This message was checked by NOD32 antivirus system.
> http://www.eset.com
>
>
>