[PATCH] Update protocols to support tone generation.

[Andrei Kholodnyi]

>> ? ?Could you please provide a couple of use cases showing advantages of
>> ? ?using tones versus sound icons.
>
> Emacspeak's speech servers use them, and that's the use case I had in mind.

And why emacspeak can not use the sound icons?

> I really can't think of too many advantages over sound icons.

If there is no advantages why do we need it then?

>> ? ?how do you plan to generate those tones?
> Here's a (very) rough sketch. ?It's just a sine wave generator.

interesting, it will be no external dep.

>> ? ?How it could be mapped to SSML?
>
> There's no obvious way to do it. ?A good candidate would be the src
> attribute of the <audio> tag, but how do you represent a tone with a URI?

ok, then it will be a SD specific feature.

Andrei.