Vocalizer Expressive 2.2 Driver

This add-on provides support for the Nuance Vocalizer Expressive 2.2 text-to-speech engine, offering a range of high-quality voices with smooth and responsive performance.

To use this driver, at least one supported voice must be installed. You can browse the available voices in the Text To Speech Catalogue on the Blind Help Project website.

Changelog

2025-06-11

Fixed an issue where the synthesizer would incorrectly join words across lines during continuous reading. Previously, the last word of one line and the first word of the next could be combined without a space. This update ensures proper spacing and natural flow between lines.

2024-05-08

Improved the reading of hotkeys in NVDA 2024.1. Also resolved inconsistencies caused by the Vocalizer engine's sensitivity to whitespace characters at the edges of phrases. This version delivers more accurate and fluent speech output.