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

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  • From: <codeofdusk AT>
  • To: "'Robert Melton'" <lists AT>
  • Cc: "'Emacspeaks'" <emacspeak AT>
  • Subject: RE: [Emacspeak] Experimenting with multiple voices for mac/windows
  • Date: Sun, 14 Apr 2024 18:10:04 -0700

I know for a fact it works with Zira and George as NVDA supports pitch
changes on both.
Those are the natural Azure voices which won't work super well for us.

-----Original Message-----
From: Robert Melton <lists AT>
Sent: Sunday, April 14, 2024 6:07 PM
To: Bill Dengler <codeofdusk AT>
Cc: Emacspeaks <emacspeak AT>
Subject: Re: [Emacspeak] Experimenting with multiple voices for mac/windows

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

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

> 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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