On Thu, Sep 1, 2022 at 07:17 AM, Aravind R wrote:

use duel voice NVDA addon.

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Dual Voice - NV Access

 
As its Community Add-On page states, look at the readme file that comes with it for details.

And do direct links to both are in one message, here's Mr. Spivey's Switch Synth Add-On.
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Brian - Windows 10, 64-Bit, Version 21H2, Build 19044  

The difference between a top-flight creative man and the hack is his ability to express powerful meanings indirectly.

         ~ Vance Packard