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Acapela Group Demo
Terms and conditions

The User of this demo undertakes to use the demo in accordance with customs and standard practices. the User shall ensure that the demo will not be used to create prompts which are unlawful, harmful, threatening, abusive, harassing, tortuous, defamatory, vulgar, obscene, libellous, invasive of another's privacy, hateful, or racially, ethnically or otherwise objectionable.


Acapela TTS for UWP

Software Development Toolkit designed to give a voice to applications developed for Windows 10.

Easily set up your conversational interface

Acapela TTS for UWP has been designed to to give a voice to your applications developed for Windows 10 Desktop, Phone, Surface, Raspberry and Windows 10 IoT. For PCs, tablets, phones and more.

Developer benefits

Acapela TTS for UWP offers developers unique, easy and efficient access to a wide portfolio of languages and voices. They are easy to integrate and give applications a voice. This new SDK expands the range of advanced tools Acapela offers developers to help them create the best possible smart conversational user interfaces.


Market apps and services

For AAC, Eye Tracking System, SGD and much more.

Key benefits


One single SDK
for all Windows 10 applications.


Wide voice repertoire
30+ languages available, 120+ voices including children’s voices.


Voice properties
Speech rate, pitch and audio boost.


for Start/End of text, voice changes.


Audio output
Sound card (selectable device id).


Text Input
Unlimited text in Windows Unicode 16, supports tags.


Synchronization support
Lip sync (visemes information), enhanced word synchronization and bookmarks.


Please contact us for more information.

Technical Specifications

  • Visual Studio
    2015 code.
  • Support
    x86, x64 and ARM support
  • APIs
    Proprietary API.
  • Documentation
    Complete documentation, C# code samples.

Pricing info

The Acapela TTS for UWP offer consists of two parts:


  • The software Development Kit is a developer license (with libraries, sample code) and support and maintenance service. You pay a yearly fee.


  • The Commercial Licence: When a product/application/service has been developed incorporating our software, a royalties-bearing agreement will be worked out. The level of royalties will depend on the number of units, on the voices and on the languages used.