Nuance Vocalizer for Enterprise

Spec sheet

Purpose

Vocalizer for Enterprise is a speech engine that combines prerecorded prompts with dynamically generated text-to-speech output.Read 12 Oct 2026 · docs.nuance.com

Platforms

windows,linux,apiRead 20 Sep 2026 · docs.nuance.com

Deployment

Vocalizer runs on Linux and Windows hosts and is installed on the host running the application or speech service.Read 12 Oct 2026 · docs.nuance.com

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.Read 12 Oct 2026 · docs.nuance.com

API access

YesRead 20 Sep 2026 · docs.nuance.com

APIs

The product offers a native C API and Microsoft SAPI 5 API, with SAPI 5 available on Windows only.Read 12 Oct 2026 · docs.nuance.com

Audio control

Applications can adjust generated audio characteristics such as pronunciation and speaking speed.Read 12 Oct 2026 · docs.nuance.com

Capacity limit

Nuance documents a limit of 50 simultaneous voices on a dedicated voice host.Read 12 Oct 2026 · docs.nuance.com

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.Read 12 Oct 2026 · docs.nuance.com

Dynamic speech

Applications can choose spoken words at runtime, including dynamic information such as names, addresses, and database content.Read 12 Oct 2026 · docs.nuance.com

Integration

The native API is intended for integrating the Vocalizer client with a third-party or proprietary speech server or web service.Read 12 Oct 2026 · docs.nuance.com

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.Read 12 Oct 2026 · docs.nuance.com

Licensing

Vocalizer requires a separately installed License Manager and a license file; the system needs one license for each concurrent TTS session.Read 12 Oct 2026 · docs.nuance.com

Synthesis technology

Nuance describes multiform synthesis and recurrent neural network voice models, including XPremium-high and XPremium-high-nb models.Read 12 Oct 2026 · docs.nuance.com

Transport security

Vocalizer supports HTTP 1.1 and HTTPS, and Nuance says it supports SSL connections to FIPS-compliant servers.Read 12 Oct 2026 · docs.nuance.com

Plans and prices

Every Nuance Vocalizer for Enterprise plan and price →

Where Specifiction places it

• Text-to-speech tools#147 of 2337.7
• Text-to-Speech Software#170 of 2237.4