FreeTTS is an open source speech synthesis

Speech synthesis

Speech synthesis is the artificial production of human speech. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware...

 system written entirely in the Java programming language

Java (programming language)

Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...

. It is based upon Flite

Festival Speech Synthesis System

Festival is a general multi-lingual speech synthesis system originally developed by Alan W. Black at at the University of Edinburgh. Substantial contributions have also been provided by Carnegie Mellon University and other sites...

. FreeTTS is an implementation of Sun

Sun Microsystems

Sun Microsystems, Inc. was a company that sold :computers, computer components, :computer software, and :information technology services. Sun was founded on February 24, 1982...

's Java Speech API

Java Speech API

The Java Speech API specifies a cross-platform interface to support command and control recognizers, dictation systems and speech synthesizers. Although JSAPI defines an interface only there are several implementations created by third parties, for example FreeTTS.- Core technologies :Two core...

.

FreeTTS supports end-of-speech markers. Gnopernicus

Gnopernicus

Gnopernicus is a free GNOME desktop application that provides Assistive Technologies for blind and visually impaired users.SRCore is the component of Gnopernicus screen reader, that gathers information from all input sources, organize it and then presents it to the three outputs: Braille, Speech,...

 uses these in a number of places: to know when text should and should not be interrupted, to better concatenate speech, and to sequence speech in different voices. Benchmarks conducted by Sun

Sun Microsystems

Sun Microsystems, Inc. was a company that sold :computers, computer components, :computer software, and :information technology services. Sun was founded on February 24, 1982...

 in 2002 on Solaris showed that FreeTTS ran two to three times faster than Flite at the time.

See also

• Speech synthesis
  Speech synthesis
  Speech synthesis is the artificial production of human speech. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware...
  
  
• Festival
  Festival Speech Synthesis System
  Festival is a general multi-lingual speech synthesis system originally developed by Alan W. Black at at the University of Edinburgh. Substantial contributions have also been provided by Carnegie Mellon University and other sites...