Links for developers of speech recognition, speech synthesis software. Focus is DLL's, libraries, components and building blocks for larger applications

I) Audio search SDK

Compure has developed Speak&Find, a software technology with a C/C++ API which allows you to search for keywords or phrases in stored audio data (audio mining) including a rough transcription of the sound file. SDK allows easy integration of various audio functionalities and technologies.

http://www.compure.com

ii)Audium Corporation

Provider of dynamic voice applications integrating VoiceXML, speech recognition, and business logic. Free trial of Voice Foundation Classes available for download.

http://www.audiumcorp.com

iii)CSLU Toolkit

A comprehensive suite of tools to enable exploration, learning, and research into speech and human-computer interaction. Very impressive, includes facial animation.

http://cslu.cse.ogi.edu/toolkit/

iv)CTMaker

Real-time application generator for unified messaging systems; supports TAPI, SAPI, sharing information between SQL-databases, emails, web-pages, phones, pagers. Allows development of CTI applications.

http://www.ctmaker.com

v)DDLinux Speech Recognition Mailing List

Site contains list of speech recognition tools and projects for Linux.

http://leb.net/archives/ddlinux/

vi)Digicleen

Offers software (DLLs) for noisy environments to improve speech recognition in dictation, commands, speaker identification. Also hands free cell phone, headset, desktop, array noise cancelling microphones.

http://www.digicleen.com/Speech_Recognition.html

vii)Engineered Station

Pakistani Electrical Engineer offers basic level of information for implementing speech enabled applications using TAPI, MAPI and WAPI. A starter site for students and beginners.

http://project.uet.itgo.com

viii)HTK3 - Hidden Markov Toolkit

Development and distribution site for HTK3, a hidden markov toolkit designed for speech recognition. HTK3 is available for free download as C source. Used at hundreds of research sites world wide.

http://htk.eng.cam.ac.uk

ix)IBM ViaVoice SDK for Linux

Free download of the ViaVoice speech recognition (ASR) SDK available here. Also included in RedHat Linux 6.0 (see Application CD). Tech support available by e-mail along with user group digest. New sample apps continue to be posted. Great fun for Linux buffs.

http://www-4.ibm.com/software/speech/dev/sdk_linux.html

x)Interactive Speech Technologies

Provides free plugin for website designers which allows visitors to surf the site by voice.

http://www.interactivespeech.com

xi)Lucent Speech Solutions

Provider of leading-edge speech recognition, text-to-speech, and VoiceXML solutions for voice portal companies, speech application developers, OEMS, and service providers.

http://www.lucentssg.com/speech

xii)Natlantech

Natlantech develops and distributes software for speech analysis, speech recogniion and Natural Language processing.

http://www.natlantech.com

xiii)Nellymoser, Inc.

Specializes in speech and audio technologies for wired and wireless networks. Variety of image, speech, motion and pattern recognition SDK's.

http://www.nellymoser.com

xiv)NeuVoice Ltd

Provides a high-accuracy, small foot-print and noise-robust speech recognition systems, ideal for command and control in noisy environments especially mobile and hand held devices.

http://www.neuvoice.com

xv)PhantomSpeech

PhantomSpeech is a speech engine independent TTS component built on the COM specification providing the same set of APIs for accessing any speech engine. An attempt to provide a universal standard for Text to Speech conversions. Free download.

http://www.geocities.com/deva_raja1/index.html

xvi)Simplified Speech Toolkit for the Web

Information, software, and support for developing applications, web or otherwise, that you talk with using speech recognition and speech synthesis from Chant Inc

http://www.speechkit.com

xvii)SpeakMed - Medical Vocabularies

Special medical vocabularies for Dragon NaturallySpeaking. Support US, British, Indian and SE Asian accents.

http://www.dragonsys.ca/docs/speakm.htm

xix)Speech Filing System - Tools for Speech Research

SFS provides a computing environment for conducting research into the nature of speech. It comprises free software tools; special file and data formats; subroutine libraries for I/O, signal processing and graphics; use and documentation standards; and special programming languages.

http://www.phon.ucl.ac.uk/resource/sfs/

xx)Speech Recognition Kit

Sensory, Inc. provides low-cost speech recognition technologies for consumer products for the embedded speech recognition market and also offers a software solution for DSPs and microcontrollers.

http://www.sensoryinc.com

xxi)Speech Recognition Resources

Comprehensive listing of speech recognition resources including integration tools for software developers

http://www.tiac.net/users/rwilcox/speech.html#SDT

xxii)Speech Solutions, Inc.

Develops, markets and supports speech recognition software tools. These tools enable developers to rapidly integrate speech recognition technology into new or existing software programs - including websites.

http://www.speechsolutions.com

xxiii)SpeechStudio Suite

A software toolset to develop, test, refine, deploy and maintain a speech recognition interface on Microsoft Windows (SAPI 5.0). Takes much of the difficulty and detail out of programming at the API level.

http://www.SpeechStudio.com

xxiv)TalkSoft Corporation

TalkSoft provides speech recognition software for embedded applications, such as hand-held devices with voice user interfaces. Software-only engine performs speaker-independent, continuous speech recognition in real time for Windows, Windows CE, Linux, Macintosh, and most popular embedded microprocessors.

http://www.talksoft.com

xxv)VoiceClient

VoiceClient is a speech enabled eMail solution based on VoiceXML. Due to VoiceXML and in contrast to Unified Messaging Solutions the VoiceClient can be easily integrated into open speech environments and existing messaging solutions.

http://www.voiceclient.com

xxvi)Voxi

A Swedish startup which develops and licenses a general-purpose software platform for Intelligent Speech Interfaces (TM), involving speech recognition, language understanding, and high-quality audio feedback

http://www.voxi.com/