Audio and Video Glossary  
   Searchable database of audio, visual and general electrical terminology.
   http://www.audiovideo101.com/dictionary/

Glossary Of Audio Terminology  
   Glossary of audio terminology definitions on the web.
   http://www.electronixwarehouse.com/education/glossary.htm

Guitar Nine Records Glossary of Terms  
   Buzzwords, jargon and terms used in recording studios by producers, engineers, composers and musicians.
   http://www.guitar9.com/glossary.html

CCTV Glossary  
   Glossary of closed-circuit television, general video and graphics terminology.
   http://www.zoo.co.uk/%7Ez0001325/Glossary.html

Digital Film Glossary  
   Glossary of photographic and digital imaging terminology with illustrations.
   http://www.digitalexposure.ca/sub1.html

Electronic Cinematography  
   Technical glossary of electronic cinematography terminology.
   http://www.gregssandbox.com/gtech/elecinema/elcineglossary.htm

Dilettantes Dictionary  
   Dictionary of technical audio terminology by author Sandy Lerner. Appendices cover topics such as power consumption and decibel calculations.
   http://www.dilettantesdictionary.com/

Audio Video Dictionary Online  
   Glossary related to multimedia formats.
   http://www.audio-video-affair.com/audio-video-glossary.html

Hi Fi Writer - Dictionary of Home Entertainment  
   Terms defined as well as given an "everyday usage" context.
   http://www.hifi-writer.com/he/dictionary.htm

Kodak Film and Video Terminology  
   Glossary of common terms used in film and video production.
   http://www.kodak.com/US/en/motion/students/support/glossary/glossary.jhtml

Music Technology Dictionary  
   Regularly updated dictionary from zonicweb.net.
   http://zonicweb.net/music/musictechnologydictionary.htm

DigicamGuides.com  
   Camera and digital camera terms.
   http://www.digicamguides.com/learn/digital-camera-terms.html