Re: [css3-speech] voice-pitch

On 07/07/2011 01:24 AM, Daniel Weck wrote:
> Now, semitones are significant on the diatonic scale, but why should we suppress the linear arithmetic control provided by
> percentage-based relative changes? Both SSML1.0 and SSML1.1 include this feature, and I can see how fine-grain control of the
> average voice pitch (e.g. using sliders) could be useful for persons who have hearing problems (hearing aid devices often
> amplify audio *and* shift frequencies to favor a particular area of the spectrum).

We have a linear control already: Hz.

> Now, I must admit that if we wanted to strictly conform to SSML1.0/1.1, the percentage should be an offset (signed relative
> increment/decrement), not a factor. This would avoid unnecessary numerical gymnastic when converting from one notation to the
> other.
> Any thoughts?

Percentage offset makes a little more sense, but still, not much imho.
If we're keeping it though, we might as well be consistent with SSML.


Received on Thursday, 7 July 2011 17:39:03 UTC