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Nuance Vocalizer for Enterprise

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Nuance Vocalizer for Enterprise

Priced on request

License Manager and license files required · one license per concurrent TTS session

Every plan, in full

On the record

API access
Yesdocs.nuance.com · read 20 Sep 2026
APIs
The product offers a native C API and Microsoft SAPI 5 API, with SAPI 5 available on Windows only.docs.nuance.com · read 12 Oct 2026
Audio control
Applications can adjust generated audio characteristics such as pronunciation and speaking speed.docs.nuance.com · read 12 Oct 2026
Capacity limit
Nuance documents a limit of 50 simultaneous voices on a dedicated voice host.docs.nuance.com · read 12 Oct 2026
Compatibility limit
Nuance says it tests and supports the product on en-US locale hosts and warns that other locales may affect accuracy and application performance.docs.nuance.com · read 12 Oct 2026
Deployment
Vocalizer runs on Linux and Windows hosts and is installed on the host running the application or speech service.docs.nuance.com · read 12 Oct 2026
Dynamic speech
Applications can choose spoken words at runtime, including dynamic information such as names, addresses, and database content.docs.nuance.com · read 12 Oct 2026
Integration
The native API is intended for integrating the Vocalizer client with a third-party or proprietary speech server or web service.docs.nuance.com · read 12 Oct 2026
Languages and voices
The product supports over 40 languages and a selection of male and female voices, with voice packs downloaded separately from Nuance Network.docs.nuance.com · read 12 Oct 2026
Licensing
Vocalizer requires a separately installed License Manager and a license file; the system needs one license for each concurrent TTS session.docs.nuance.com · read 12 Oct 2026
Purpose
Vocalizer for Enterprise is a speech engine that combines prerecorded prompts with dynamically generated text-to-speech output.docs.nuance.com · read 12 Oct 2026
Security
A configuration option can encrypt confidential text or audio data, or suppress confidential text from logs and omit audio waveforms; its default is open with no security.docs.nuance.com · read 12 Oct 2026
Synthesis technology
Nuance describes multiform synthesis and recurrent neural network voice models, including XPremium-high and XPremium-high-nb models.docs.nuance.com · read 12 Oct 2026
Transport security
Vocalizer supports HTTP 1.1 and HTTPS, and Nuance says it supports SSL connections to FIPS-compliant servers.docs.nuance.com · read 12 Oct 2026

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