Museum of Speech Analysis and Synthesis  
   Pictures of early voice synthesizors hosted by UCSC - site seems always under construction.
   http://mambo.ucsc.edu/psl/smus/smus.html

comp.speech WWW site  
   Provides a range of information on speech technology, including speech synthesis, speech recognition, speech coding, and related material. Pages look a little old (1997) but a very wide range of FAQ here. Algorithm for building simple recognizers.
   http://www.speech.cs.cmu.edu/comp.speech/

Center for Spoken Language Understanding  
   Oregon Graduate Institute of Science and Technology has created a public resource for experimenters. Download trial software for speech recognizers.
   http://cslu.cse.ogi.edu/

Dictation Without Wires or Monitor  
   Graduate student thesis which may give ideas for difficult environments. Mostly in German, but there is also an English page (click flag). Approach develops a little bit of intelligence between speech recognition and text to speech engine.
   http://r5.mnd.fh-wiesbaden.de/stud/berger/index.html

SPIRIT Speech Technologies  
   Has advanced software algorithms for speech compression, enhancement, recognition and speaker identification (i.e., voice recognition).
   http://www.spiritcorp.com/

VOICEBOX: Speech Processing Toolbox for MATLAB  
   A voice processing toolbox for Matlab, very useful for prototyping algorithms and has routines to do most of the basic useful tasks in speech.
   http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html

Torch Library  
   A library in C++ for developing Open Source speech and machine learning applications. The code is under the Gnu Public License.
   http://www.torch.ch/

IDIAP Speech Processing Group  
   Lots of good work going on in this group, their publications page is quite useful.
   http://www.idiap.ch/index.php?UrlTemplateType=2&content=Introduction&IncFile=PageType&cPathContenu=pages/contenuTxt/SpeechProcessing/

Speech Language Processing Professional Society  
   This site acts as a coordinating place for meetings and keeps large database about research in the field. Professional name - COCOSDA.
   http://www.slt.atr.co.jp/cocosda/

Speech Analysis  
   A detailed paper describing some of the technology of speech recognition.
   http://mi.eng.cam.ac.uk/~ajr/SA95/

Speech Informatics Group  
   Main research directions are speech recognition/understanding, methodology of speech dialogue systems, applied systems, hidden Markov algorithms.
   http://www.spiiras.nw.ru/eng/structure/gosi.html