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More negative values in ACSS

From: T. V. Raman <raman@Adobe.COM>
Date: Tue, 5 Aug 1997 09:09:26 -0700
Message-Id: <199708051609.JAA29212@labrador>
To: Liam Quinn <liam@htmlhelp.com>
Cc: www-style@w3.org
Liam Quinn writes:
 > Can I assume with the pitch, pitch-range, stress, and richness properties 
 > that negative values are not permitted?

Negative pitch would not make sense.

pitch range specifies the variation of the speaking voice from the average
 > pitch --higher pitch range == more excited voice ie your voice
varies a lot from the base fundamental --again a negative value would make no
 > sense.

A negative value for stress might make sense in certain situations
--typically, this value specifies the level of emphasis
on stressed syllables --and its effect is added to the result of applying
other rules, so a sophisticated system might want to set stress to a negative
value in order to offset some other effect-- though I would consider this

Ditto for richness

So in summary:

negative values for pitch and pitch range are probably meaningless
they might make sense in the case of stress and richness in certain situations.
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 > Liam Quinn
 > ===============  http://www.htmlhelp.com/%7Eliam/  ===============
 > Web Design Group            Enhanced Designs, Web Site Development
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Best Regards,

      Adobe Systems                 Tel: 1 (408) 536 3945   (W14-129)
      Advanced Technology Group     Fax: 1 (408) 537 4042 
      (W14 129) 345 Park Avenue     Email: raman@adobe.com 
      San Jose , CA 95110 -2704     Email:  raman@cs.cornell.edu
      http://labrador.corp.adobe.com/~raman/raman.html (Adobe  Internal)
      http://www.cs.cornell.edu/Info/People/raman/raman.html  (Cornell)
    Disclaimer: The opinions expressed are my own and in no way should be taken
as representative of my employer, Adobe Systems Inc.
Received on Tuesday, 5 August 1997 12:08:52 UTC

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