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Re: Re: ATRAC and Minidisk: "IN" VS "OUT"

Subject: Re: Re: ATRAC and Minidisk: "IN" VS "OUT"
From: "Jeffrey D. Daub" <>
Date: Fri, 02 May 2003 14:51:50 -0700
Thanks Raimund!

Jeff

Raimund Specht wrote:
> --- In  "Jeffrey D. Daub"
> <> wrote:
> 
> Jeff,
> 
> A relaiable and objective source of information seems to be the
> Audio Engineering Society. This organisation has published a CD-ROM
> devoted on coding artifacts:
> 
> http://www.aes.org/publications/AudioCoding.cfm
> 
> However, it seems, that they have tried to avoid to compare any
> specific systems or brands in order to prevent any legal or
> commercial problems (I still have not exploreded that publication, I
> only found some references).
> 
> Regards,
> Raimund
> 
> 
>  > Gentlemen,
>  >
>  > Sorry I lack in your tact at times...
>  >
>  > I too, am only interested in seeing the actual specs on the
> subject or
>  > some interpretation of the specs, and some tests comparing the
> signal
>  > the goes "IN" VS the signal that goes "OUT" so that if anyone on
> the
>  > list needs them for reference, someone can point them to
> a "primary
>  > source" on the subject such as on the Nature Recordists Yahoo site.
>  >
>  > I did not mean to sound as if I was complaining about your
> discussion in
>  > particular. Quite on the contrary. However on this list, we DO
> tend to
>  > "tread lightly" on "that" subject at times. I am only complaining
> about
>  > "treading lightly"...
>  >
>  > Your discussion was actually quite logical and sorry if I butted
> in.
>  >
>  > In reference to old posts:
>  > Survey says... Some people like/ love it (minidisc and other
> platforms
>  > that use ATRAC) and are happy with the results.
>  >
>  > Survey says... Some won't use it because of the "loss" in data and
> content.
>  >
>  > I admit, I have steered away from it because I have noticed
> it "sounds
>  > different" although I don't know exactly why. I have heard lots of
>  > opinions on the subject from users and nonusers. Yet, I seem to
> keep
>  > missing the facts...
>  >
>  > My point is: I just don't think logic or analysis or hard
> references
>  > should be put aside just because it is an "emotional subject" for
> some.
>  >
>  > In my opinion, the "emotional" side of the argument from either
> side is
>  > pure opinion, as were (I'm guessing) 100 posts on the subject were
>  > during the last year. Maybe in my haste to delete dozens of posts
> on the
>  > subject after reading dozens of opinions I missed some great
> facts...
>  >
>  > Highest regards,
>  >
>  > Jeff Daub
>  >
>  >
>  > Raimund Specht wrote:
>  > > --- In  "oryoki2000"
> <>
>  > > wrote:
>  > >  > To my mind, "minidisc: in or out"
>  > >  > isn't the issue.
>  > >  >
>  > >  > Instead I think that recordists
>  > >  > need to know enough about the
>  > >  > mechanics of ATRAC, and the results
>  > >  > that can be achieved using ATRAC,
>  > >  > to make a judgment about when to
>  > >  > use it -- like the way a golfer
>  > >  > knows what a particular club can do.
>  > >  >
>  > >  > There is, to my knowledge,
>  > >  > no generally accepted study
>  > >  > that "proves" ATRAC is either
>  > >  > suitable or unsuitable for
>  > >  > anything -- just opinions and
>  > >  > experiences that help guide us.
>  > >  >
>  > >  > --oryoki
>  > >
>  > > I agree, the differences between the various audio compression
> are
>  > > not very important. So it was not my initial aim to compare ATRAC
>  > > and MP3. I only wanted to show the general differences between
>  > > uncompressed PCM audio and lossy algorithms. Unfortunately, I
>  > > started with MP3 and evaluated the ATRAC example later (in
> response
>  > > to a serious argument posted by Evert).
>  > >
>  > > I only compared one aspect between the systems (the quality of
>  > > spectrographic displays for scientific sound analysis work).
> There
>  > > might be other aspects, which are less important for my purposes
>  > > (e.g. signal to noise ratio and listening quality), which I did
> not
>  > > considered at all. My measurements should only demonstrate, that
>  > > lossy data compression in general CAN be very problematic for any
>  > > scientific evaluation of sounds. For those applications, it is
> not
>  > > the question, which of the lossy system to use. All of these
> systems
>  > > would be inappropriate. I admit, that this group perhaps was the
>  > > wrong place to discuss these things.
>  > >
>  > > Jeff Daub wrote :
>  > >
>  > >  >Enough beating around the bush!
>  > >
>  > >  >How about this question folks:
>  > >
>  > >  >"What exactly is lost with the standards in ATRAC and Minidisc
>  > >  >formats?"
>  > >
>  > >  >possible variables: different manufacturers standards for MD;
>  > >  >different
>  > >  >standards for ATRAC; others?
>  > >
>  > >  >please omit any comments in defense or against ATRAC or
> minidisk
>  > >
>  > >  >let's try a scientific inquiry without opinions, OK?
>  > >
>  > > I do not intend to run a complete comparison of all available
>  > > compression systems on the market. It would be extremely
> difficult
>  > > to keep such a comparison objective (there are too much
> parameters
>  > > involved). As mentioned earlier, the results will heavily depend
> on
>  > > the test signals used. After reading some other 'tests' and
> debates
>  > > on the internet I realized, that it is seems to be impossible to
> run
>  > > a serious discussion without emotions...
>  > >
>  > > Raimund
>  > >
>  > >
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>  > >
>  > >
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