| Advanced Technology and Research | | Markets a variety of speech products for industry including voiceprint, text to speech and airport security systems. Good online text to speech demo. |
| Analogue Speech Synthesizers | | Comprehensive site reviewing Vocoders and musical chorus synthesizers by EMS, Moog, Roland, Korg, and Electro Harmonics, talking chips (Votrax, TI) and speech recognition hardware. Information site rather than sales. |
| CompSpeak 2050 | | Institute for the Study of Talking Computers and Oral Culture. The Institute's mission is to study the social, cultural, and philosophical implications of talking computers and voice recognition technology. Site taking orders for a pre-publishing book having a provocative viewpoint on the impact of talking computers. |
| Digalo TTS engine | | Text-To-Speech engine for Microsoft Agent and SAPI compliant applications. Available in 7 languages (French, German, Spanish, US English, British, Russian, Brazilian Portuguese). Licensed Elan TTS-engine. Download free trial. |
| Emofilt | | Prosody-filter to simulate emotional arousal with speech synthesis based on the free-for-non-commercial-use MBROLA synthesis engine available in Java. |
| ETeX AG - Text-To-Speech & Voice Recordings | | German firm selling text-to-speech solutions, based on unit selection and diphones. ETeX uses its recording studio (specialized for voice recordings) for text-to-speech voices, voice prompts, and spoken manuals. |
| German text-to-speech systems | | A commented overview of commercial and scientific TTS (text-to-speech) -systems for the German language with examples. |
| Mindmaker | | Sells FlexVoice (TM), a text-to-speech (TTS) engine. Online demo shows good prosidy. |
| NeXTeNS: Text-to-Speech for Dutch | | The NeXTeNS project aims at developing a modern, clean, multi-platform, open source text-to-speech system for Dutch that is freely available for research and education purposes using Mbrola and Festival components. Initiated by University of Nijmegen and the University of Tilburg. |
| PanaVox Speech Servers | | PanaVox is a text to speech technology for acessibility, advertising, and content enhancement which works on narrowband connected computers and requires no specialized software. |
| RC Systems | | Text to speech synthesis products. Boards, modules, and chips. Downloadable data sheets and product information. |
| Speech and Software Technologies (I) Pvt. Ltd. | | One of India's global IT services and product-engineering companies, providing a wide range of speech-based IT solutions such as automatic speech recognition, text-to-speech synthesis, computer telephony, IVR, speaker verification and a version of IBM ViaVoice customized for an Indian accent. |
| Speech Synthesis Markup Language | | The current version of the (draft) proposal for an XML-based Speech Synthesis Markup Language, as part of the W3C's Speech Interface Framework. This is an industry standard in the making. |
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