• Bell Laboratories (Lucent Technologies) TTS system. Sound examples and an advanced interactive demo (Requires Java).
• Telia Promotor Infovox (Sweden). Sound examples in 11 languages (16bit wav-format). Demo version of Infovox 210 available.
• Digital DECtalk TTS system.
• AT&T TTS System. Sound examples and an interactive demo. Contains also some recent publications for download.
• Bellcore (Bell Communications Research) ORATOR TTS System. Sound examples in au- and wav-format.
• BT-Laboratories (British Telecom) Laureate TTS System. Sound examples and interactive demo available.
• Eurovocs multilingual text-to-speech synthesizer from Technologie & Relevalidatie. Sound examples in five languages (au-format).
• SoftVoice, Inc. SVTTS speech synthesizer. Sound examples with five different voices.
• Apple PlainTalk Speech Synthesis System. Several sound examples and free version of PlainTalk for Macintosh computers.
• The MBROLA project homepage, TCTS Lab of the Faculté Polytechnique de Mons (Belgium). Sound examples in wav-format.
• Multilingual ProVerbe Speech Engine from ELAN Informatique (based on France Telecom CNET PSOLA). Sound examples in five languages, free evaluation version, and free demonstration CD-ROM available from here.
• Eloquent Technology, Inc. ETI Eloquence TTS system. Sound examples in wav-format.
• AcuVoice, Inc. TTS software. Sound examples in 8-Bit Mu Law PCM Wave format at 8 kHz.
• Panasonic CyberTalk TTS system.
• Microsoft WHISTLER Trainable TTS System.
• SPRUCE High-Level TTS system. Developed at the Universities of Bristol and Essex. Interactive weather forecast demo.
• ASEL ModelTalker, University of Delaware, USA. Interactive demo with three voices and seven emotions.
• CSLU Speech Synthesis Research Group. Festival TTS System and Lyricos singing system demonstrations.
• SVOX German text-to-speech system, Speech Processing Group at TIK, ETH in Zurich. Sound examples and interactive demo.
• German speech synthesis system HADIFIX, University of Bonn. Sound examples and interactive demo in German.
• CHATR (Generic Speech Synthesis System), ATR Interpreting Telecommunications Research Laboratories, Japan. Sound examples in several languages. (Some of the text in Japanese)
• Lernout & Hauspie’s TTS/3000 Text-To-Speech product line.
• YorkTalk speech generation system under development at the University of York UK.
• IPOX All Prosodic Speech Synthesis Architecture, Institute for Perception Research (IPO) and Oxford University Phonetics Laboratory (OUPL). Sound examples.
• Mikropuhe synthesizer for Finnish, Timehouse Corporation.
• Sanosse synthesis system for Finnish