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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 Windows Mobile

Software Development toolkit designed to give a voice to any Windows CE application.

Deliver 24/7 real-time vocal information to your customers

Acapela TTS for Windows Mobile has been designed to enable developers to easily add a voice to their applications. Breathe life into your interface and content, provide users with the Voice First experience, let your Windows CE applications talk with a wide range of pleasant and smart voices.

Developer benefits

Simple integration of text to speech voices into your Windows CE application, for a natural interface and rich audio content. There are over 30 languages and 120 voices.

Market apps and services

For passenger information, navigation, in-car voice assistants, portable Accessibility applications, Digital Book Player (DTB), braille, virtual assistants and much more.

Key benefits


Two voice formats
Low Footprint (15-30MB/voice) and High Quality Medium (40-150MB/voice) for embedded text to speech, no internet connection needed.


Audio control
Perfectly integrated with Windows CE audio management possibilities.


Wide choice of languages and voices.

Technical Specifications

  • Text Input
    Unlimited text in UTF8 encoding. Support of tagged texts.
  • Lexicons
    Utilization of user lexicons.
  • Synchronization support
    Lip sync (visemes information), word synchronization and bookmarks.
  • Voice properties
    Speech rate and volume.
  • Audio format
    PCM audio, 16 bits linear, 22 kHz.
  • APIs
    Acapela API.
  • Development languages
    C, C++.
  • Documentation
    complete documentation, sample code.
  • Please contact us for more information

Pricing info

The Acapela TTS for Windows Mobile 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.