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Re: [Emacspeak] Experimenting with multiple voices for mac/windows

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  • From: Robert Melton <lists AT>
  • To: Bill Dengler <codeofdusk AT>
  • Cc: Emacspeaks <emacspeak AT>
  • Subject: Re: [Emacspeak] Experimenting with multiple voices for mac/windows
  • Date: Sun, 14 Apr 2024 21:06:32 -0400

Windows SSML support is mostly a lie.

It does technically parse it completely, supporting 100% of the
defined spec, the problem is after parsing they throw the
majority of it away.

Pitch and Contour are examples of stuff that are not implemented
on almost all voices. You in theory can get them working with the
small subset of labeled "neutral" or "natural" voices, which are
not installed by default. Last doc I could find out of the many,
many attributes and features of SSML, the internal class implements
6 of them.

I didn't want to make installing those voices a requirement, all
the framing for pitch is already in and was even being pushed
into the SSML prior to 1.3.

I guess I can put it back and just alert the user to install one
of the 3 US voices that support it. "Guy" for US, "Ryan" for UK,
and "Prashant" for India.

> On Apr 14, 2024, at 17:38, Bill Dengler <codeofdusk AT> wrote:
> Why do you say that Windows has no pitch support? You should be able to
> send pitch offset in SSML.

Robert "robertmeta" Melton
lists AT

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