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Re: [css3-speech] pitch alteration expressed in semitones and Hertz

From: fantasai <fantasai.lists@inkedblade.net>
Date: Wed, 19 Jan 2011 15:34:35 -0800
Message-ID: <4D37750B.6000803@inkedblade.net>
To: Daniel Weck <daniel.weck@gmail.com>
CC: www-style@w3.org
On 01/19/2011 03:05 PM, Daniel Weck wrote:
> Thanks for your thoughts Fantasai.
> SSML disambiguates absolute pitch values (in Hertz) and relative increments/decrements (in Hertz or Semitones) by forcing the
> use of the "+"/"-" prefix before the number. In CSS-Speech, what do you think about forcing the use of the "Hz" suffix not
> only in relative values, but also in absolute ones? This would remove the ambiguity you are referring to. (percentage and
> named values obviously don't need such distinction)

In CSS you can't use the +/- operators as a disambiguation. Our number
type is defined to include the optional use of such operators: you
cannot distinguish between +1 and 1 in CSS. You must disambiguate some
other way.

Received on Wednesday, 19 January 2011 23:35:22 UTC

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