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- Newsgroups: rec.audio
- Path: sparky!uunet!mcsun!sun4nl!relay.philips.nl!prle!retina!otterw
- From: feil@prl.philips.nl (Hans Feil)
- Subject: Re: DAT, DCC and MD
- Message-ID: <otterw.728037037@retina>
- Sender: news@prl.philips.nl (USENET News System)
- Organization: Philips Research Laboratories Eindhoven, Netherlands
- References: <C15ozr.C3F@news2.cis.umn.edu> <GLAS.93Jan21081603@muresh.et.tudelft.nl> <1993Jan22.010306.4398@dgbt.doc.ca>
- Date: Tue, 26 Jan 1993 08:30:37 GMT
- Lines: 40
-
- ted@dgbt.doc.ca (Ted Grusec) writes:
-
- >In article <GLAS.93Jan21081603@muresh.et.tudelft.nl> glas@donau.et.tudelft.nl writes:
- >>
-
- >>PASC is based on two phenomena of the human ear:
- >>* One can only hear sound above a certain level, called the absolute hearing threshold.
- >>* Loud sounds hide, or mask, softer sounds in their vicinity. They dynamially adapt the
- >> hearing threshold. This applies to the frequency domain (spectral masking) as well as to
- >> the tiem domain (temporal masking).
- >>So you have to be a GOD to hear the differences between CD and DCC.
-
- >Well Jack, I have run experiments on at least 25 or 30 people who must
- >be Gods. Under tightly controlled, double blind conditions, they can
- >tell the difference on certain audio materials with complete
- >reliability. No lossy compression scheme is "perfect" - there will
- >always be listeners who find non-transparency under critical
- >materials. This does not mean that this kind of compression is not of
- >very high quality, nor that it won't suffice for "average" listeners
- >under non-critical conditions. I can send you published reports from
- >my lab if you wish.>
- >--
- >-----------------------------------------------------------------
- >Ted Grusec - Communications Research Centre, Ottawa, Ont., Canada
- >Internet: ted.grusec@crc.doc.ca - (613) 998 2762 - Fax (613) 993 8657
-
-
- I wonder what happens with the MiniDisk tests?
-
- In all kinds of european audio journals DCC and MD are compared with
- CD and you may be interested in the results of these tests!
-
- Hans Feil
- Philips Research Labs
- Eindhoven
- The Netherlands
- feil@prl.philips.nl
-
- PS. I'm not working on DCC (but on computational materials science) but
- off course I may be a little biased......
-