Problem with Sapi5 and OneCore

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Sergio Gomez

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Jul 21, 2026, 5:57:24 AM (5 days ago) Jul 21
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Hello:

There is a small problem with Sapi5 (32 and 64 bit) and OneCore.
On websites like web.whatsapp.com and others, these synthesizers slow down; their voice response is delayed. However, the braille output still works (the braille displays project everything that should be advertised by the synthesizer); I tried reinstalling NVDA and nothing changed. This doesn't happen with eSpeak NG synthesizers and others within NVDA.

This occurs with NVDA 2026.1.1.

Greetings.


Quentin Christensen

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Jul 21, 2026, 10:54:03 PM (5 days ago) Jul 21
to nvda-...@nvaccess.org
Hi Sergio,

I don't recall seeing this issue reported previously.  It would certainly be worth investigating.  Are you able to firstly check whether there is an issue on https://github.com/nvaccess/nvda/issues and if not, could you write an issue up please?

Kind regards

Quentin

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Quentin Christensen
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NV Access

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