Speech IO

DSP@ PWM@ Digital to Analog@ Audio@

PIC Microcontoller Memory Method Big Table lookups (sound playback example)

PIC Microcontroller Wave to data table converter

see also

Oki Semiconductor
RC Systems
http://www.cstr.ed.ac.uk/projects/festival/ The Festival Speech Synthesis System. Open source
Text To Speech
- http://tcts.fpms.ac.be/synthesis/introtts.html A Short Introduction to Text-to-Speech Synthesis
Voice recognition and synthisys
- http://www.imagesco.com/catalog/hm2007/SpeechRecognitionKit.html - Images Co. Development kit US$100. They also sell the speech chip (HM2007) and its data sheet.
- http://www.zagrosrobotics.com/ The HM2007 development kit is available from Zagros for US$80 as the Stand Alone Speech Recognition Kit. They do not have extra chips nor the data sheet available.
- http://www.sensoryinc.com/
- http://www.isd.com/products/speechrecog/index.html
- http://www.circuitcellar.com/pastissues/articles/richey110/text.htm Using a PIC for speech IO.
- http://www.speech.cs.cmu.edu/comp.speech Comp.speech FAQ,
- http://www.bga.com/dynastat/index.html Dynastat Inc., Subjective Testing and Evaluation of Voice Communications Systems,
- http://www-svr.eng.cam.ac.uk/~ajr/SA95/SpeechAnalysis/SpeechAnalysis.html T. Robinson, Speech Analysis, Cambridge University Engineering Dept., Speech Vision Robotics Group,
- http://rice.ecs.soton.ac.uk/speech_codecs/index.html J. Woodard, Speech Coding, Dept. of Electronics and Computer Science, University of Southampton,
- http://www.fourmilab.ch/speakfree/windows/ Also a Unix version that comes with source.
online demos and free services:
- Bell labs Example: use
  <EMBED src="http://wwwtts.research.bell-labs.com/cgi-user/tts/voicestts-nj?voice=man&text=Hello+This+is+a+test.&audio=.wav">
- Say <EMBED src="http://wwwtios.cs.utwente.nl/say/?hello">
- Elan http://www.elan.fr
- http://www.cstr.ed.ac.uk/projects/festival/userin.html

See: