Educational Technology; Speech Synthesis; ..

Many systems based on formant synthesis technology generate artificial, robotic-sounding speech that would never be mistaken for human speech. However, maximum naturalness is not always the goal of a speech synthesis system, and formant synthesis systems have advantages over concatenative systems. Formant-synthesized speech can be reliably intelligible, even at very high speeds, avoiding the acoustic glitches that commonly plague concatenative systems. High-speed synthesized speech is used by the visually impaired to quickly navigate computers using a screen reader]]. Formant synthesizers are usually smaller programs than concatenative systems because they do not have a database of speech samples. They can therefore be used in embedded systems, where data storage devicememory and microprocessor power are especially limited. Because formant-based systems have complete control of all aspects of the output speech, a wide variety of prosodies and intonation (linguisticsintonations can be output, conveying not just questions and statements, but a variety of emotions and tones of voice.

Computer Synthesized Speech Technologies: Tools for …

Providing fast resource-light scalable speech synthesis for speechtechnology applications.

60 reviewed papers on speech processing and text-to-speech synthesis…

Festival Speech Synthesis System is one such tool. Festival grew out of the need for a unifying, flexible, and extensible tool for research and educational purposes at The Centre for Speech Technology Research (CSTR) at University of Edinburgh.

Speech synthesis is the artificial production of human speech

Festival is a free, portable, extensible, language-independent, run-time speech synthesis engine for various platforms that has been under development since 1999. Primary authors of the C++ system include Alan W Black, Paul Taylor, and Richard Caley. Festival is a part of the project that aims to make the building of new synthetic voices more systematic and better documented, making it possible for anyone to build a new voice.

current issues in educational technology.

Festival offers developers a basic framework for building speech synthesis systems, and includes various demo modules. It offers text-to-speech through a number of APIs: from shell level, though a Scheme command interpreter, as a C++ library, from Java, and even via an Emacs interface. Though Festival is multi-lingual (currently English, Welsh, and Spanish), support for English is the most advanced. The system uses for its underlying architecture and has a Scheme-based (SIOD) command interpreter for control.

text-to-speech - Kurzweil Education

The two primary technologies for generating synthetic speech waveforms are and . Each technology has strengths and weaknesses, and the intended uses of a synthesis system will typically determine which approach is used.

How technology is changing speech and language therapy ..

Spoken language processing is considered as one of the most important technological areas of research and development in the field of human language technologies and signal processing. The recognition, processing and production of speech signal, is a challenging field of research and constitutes a major factor in human-machine interaction, offering many new and significant applications. Main fields of research in this domain are speech recognition, speech synthesis and speech coding. In addition, robust analysis and representation of speech signal is a continuous pursuit and is regarded as a major technological aim internationally, supporting and feeding research and development in many domains. During the last years, ILSP actively contributes to developing methods, systems, resources and tools in the areas of speech synthesis and speech recognition. In this context, research on music technology is of equal importance. ILSP’s research agenda in this field includes music recognition, extraction of high-level music features, music representation and symbolic processing. The ongoing effort and development on the above fields, together with complementary technologies such as speaker indexing and diarization as well as audio mining, constitutes contemporary scenery of multimedia as well as multimodal human-machine interaction which offers many potential applications in areas such as, electronic publishing, electronic education, multimedia, internet, virtual reality and games etc. In this context, ILSP continuously plans and adapts its research and development activities so as to effectively respond to this rapid technological evolution.