NeoSpeech TTS Web Services

NeoSpeech TTS Web Services is a hosted Text-To-Speech (TTS)
solution that allows web developers to build speech-enabled websites and


  • Always have the latest and the greatest TTS engine producing the most
    natural-sounding speech audio in the market today; no need to install,
    configure, or update software.
  • No separate hardware required to run TTS servers.
  • Using the provided web API, NeoSpeech TTS Web Services is perfect for
    automation in Text-To-Speech Conversion.


  • Supports both SOAP and REST API for the most flexibility.
  • Base on asynchronous architecture for the most stability and scalability.
  • Input text can be plain text or SSML*. Output can be in various audio formats.
  • User dictionary is provided for you to modify pronunciation of any word.*
  • Uses Secure Socket Layer (SSL) for security of the content during transmission.

Supported Audio Output Formats

  • 16bit linear PCM (.pcm)*
  • 8bit A-law PCM (.pcm)*
  • 8bit Mu-law PCM (.pcm)*
  • 16bit linear PCM Wave (.wav)
  • 8bit unsigned linear PCM Wave (.wav)*
  • 8bit A-law PCM Wave (.wav)*
  • 8bit Mu-law PCM Wave (.wav)*
  • 4bit Dialogic ADPCM (.vox)*
  • Ogg Vorbis (.ogg)*


  • Kate (U.S. English female, 8KHz and 16KHz)
  • Paul (U.S. English male, 8KHz and 16KHz)
  • Julie (U.S. English female, 8KHz and 16KHz)
  • Bridget (U.K. English female, 8KHz and 16 KHz)
  • Violeta (Spanish female, 8KHz and 16 KHz)
Additional voices can be added by contacting NeoSpeech

How to get started

  1. Register to open an account for FREE.
  2. See the documentations on how to make speech API calls.
  3. Add speech functionality to your website or applications today!

Sign up today! It's FREE!

* Separate purchase of distribution license is required for commercial distribution. Please fill out the sales inquiry form for acquiring distibution license.

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