IBM Text-to-Speech Research - http://researchweb.watson.ibm.com/tts/ IBM Text-to-Speech (TTS) Research interactive demo, multi lingual, unconstrained.
Nuance - http://www.nuance.com/ TTS engine Realspeak available in many languages. Company (former Scansoft) bought many TTS-manufacturers, e.g. Rhetorical, ETI-Eloquence, Nuance, Lernhout and Hauspie.
AT&T Natural Voices - http://www.naturalvoices.att.com Features a line of speech synthesis products. Demos on the site.
Fonix Corporation - http://www.fonix.com Communications and technology company that provides integrated telecommunications services and value-added speech technologies. The combination of interactive speech technology and integrated telecommunications services provides for solutions to enhance and expand their communications needs.
NeoSpeech - http://www.neospeech.com TTS engine VoiceText is available in US English, Korean, Japanese and Mandarin Chinese.
E-Speech - http://www.espeech.com Unusual text-to-speech synthesis offerings including name pronunciation software for speech recognition dictionaries and other custom applications.
CSLU Speech Synthesis - http://cslu.cse.ogi.edu/tts/index.html Center for speech synthesis research, with demos and downloads available. Has a singing voice synthesis project.
Elan Speech - http://www.elanspeech.com Elan Speech, dedicated global provider of text-to-speech (TTS) technologies for telecommunications, multimedia, embedded systems and mobile solutions. Provides 2 ranges of speech synthesis technologies for high quality and low footprint requirements. Many languages and voices available for various platforms and operating systems.
FreeTTS - Java speech synthesis - http://freetts.sourceforge.net A speech synthesis system written entirely in the Java(TM) programming language. Based upon Flite: a smallrun-time speech synthesis engine developed at Carnegie Mellon University and derived from the Festival Speech Synthesis System from the University of Edinburgh and the FestVox project from Carnegie Mellon University.
MARY Text-to-Speech System - http://mary.dfki.de/ Open source TTS System for German, English and Tibetian based on Mbrola.
Hindi Text To Speech System - http://www.blissit.org Bliss Intelligent Technologies offers Hindi text to speech, Hindi OCR, Hindi speech recognition and IVR systems. Based Jaipur, India.
Loquendo - http://www.loquendo.com/en/technology/TTS.htm TTS manufacturer from Italy, support for many languages, online demonstration available.
Teknoses Speech Solutions - http://www.teknoses.com Turkish Text-To-Speech engine for Microsoft Agent and SAPI compliant applications. Trial version downloadable.
Acapela Group - http://www.acapela-group.com Merger of TTS companies Babeltech, Elan and Infovox. Many TTS-engines with online demonstrations.
Java Applet for Speech Synthesis - http://www.say-it-now.com Java applet/software for speech synthesis using the concatenation method. Currently developing formant synthesis version.
The Festvox Project - http://www.festvox.org Free software tools and documentation for building new speech synthesis voices in English and other languages. Associated to Festival TTS. From Carnegie Mellon.
IMS: German Research Group - http://www.ims.uni-stuttgart.de/phonetik/synthesis/ Speech synthesis group at the IMS, University of Stuttgart, Germany: Online demo, speaking metro information system, various speech synthesis example sand some downloads. Research is concentrating on getting good prosidy (inflection).
e-rhetor - http://www.e-rhetor.com Develops applications and systems that support the Greek language. Current products include a series of high quality Text-to-Speech products for the telecommunications and multimedia market.
Sakrament - http://www.sakrament-speech.com Speech recognition and synthesis software company, particularly Russian language. Markets a product to generate personalized voice-models (voice-cloning).
Cepstral Speech Synthesis - http://www.cepstral.com Text-to-speech for a wide selection of platforms - including servers, desktops and mobile. Provides a variety of languages, voices, and accents. Effective on line demo of speech quality.
The MBROLA PROJECT - http://tcts.fpms.ac.be/synthesis/ Multi-lingual text to speech synthesis. Free multi platform software download for research purposes.
DEMOSTHeNES Speech Composer - http://speech.di.uoa.gr/synthesis/demosthenes/en/information.shtml A general-purpose multilingual and polyglot software text-to-speech (TTS) system that supports the Greek language using a wide variety of e-text sources. Free download has an open and component based architecture allowing flexibility, customization and expandability.
Bitlips Speech Technologies - http://www.bitlips.fi Finnish Speech Synthesis, offers small footprint as well as unit-selection engine. English language also available.
ESOPOS-Greek TTS - http://esopos.ee.auth.gr An unusual downloadable program for Win 95/98 that does Greek text-to-speech processing.
SVOX Interactive Text to Speech Demo - http://www.tik.ee.ethz.ch/cgi-bin/w3svox TTS-Demo of University of Zurich. Makes an .au file of German (only) text typed at web site.
ILSP - Ekfonitis+ - http://www.ilsp.gr/ekfonitis_plus_eng.html Ekfonitis+, Greek Text to Speech Synthesis from the Institute for Language and Speech Processing, Athens, Greece.
Matrubhasha - http://www.ncb.ernet.in/matrubhasha/ A Unicode and MBROLA based software solution for text to speech synthesis (TTS) in Indian languages.
Voiceinterconnect GmbH - http://www.voiceinterconnect.de/index.php?newLanguage=en Wide range of products and services for embedded electronics including echo cancellation, DSP, speaker independent recognition and text to speech.
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