W3C home > Mailing lists > Public > www-style@w3.org > July 2011

Re: [css3-speech] voice-pitch and voice-pitch-range computed values

From: Daniel Weck <daniel.weck@gmail.com>
Date: Wed, 13 Jul 2011 23:14:04 +0100
Message-Id: <02D9BD4A-88EB-419C-B099-EF44B1C5C2F1@gmail.com>
To: www style <www-style@w3.org>, fantasai <fantasai.lists@inkedblade.net>
It all makes sense. Bunch of thanks!

On 13 Jul 2011, at 22:13, fantasai wrote:

> On 07/13/2011 01:16 PM, Daniel Weck wrote:
>> I'm with you, thank you for the clarification / enlightenment.
>> But we also need the computed value to allow absolute frequencies in addition
>> to the keyword enumeration (the initial value is 'medium' but it may be
>> overridden with, say, "200Hz"):
>> Computed value:
>> an absolute frequency or keyword value, and potentially, a frequency,
>> semitone, or percentage representing any non-zero offsets.
>> Does that sound right?
> Ah, right. So we want:
>  an absolute frequency OR a keyword value and potentially also
>  a frequency, semitone, and/or percentage representing any non-zero
>  offsets
> Basically, if the base is an absolute frequency, rather than a keyword,
> then we can just perform the calculations and come up with the Hertz.
> That will be the computed value.
> If the base is a keyword, then we need to preserve that keyword together
> with the offset. We can't represent the offset as Hz alone, because
> the number of Hz corresponding to a semitone or a percent depends on
> what the base frequency is -- which we can't compute right now, because
> we don't know it, we only know the keyword name.
> Kinda messy, huh?
> ~fantasai
Received on Wednesday, 13 July 2011 22:14:43 UTC

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