The International Association of Sound Archives (IASA)
IASA is a non-governmental organization affiliated with UNESCO and plans the publication of a Glossary of Technical Terms.

Association for Recorded Sound Collections
ARSC hosts a discussion list to facilitate the exchange of information on sound archives and promote communication among those interested in preserving, documenting, and making accessible the history of recorded sound. The list is sponsored by the Association for Recorded Sound Collections (ARSC) as a service to ARSC members and the archival community.

Sound: Theory and Practice A Narrative Glossary by Elisabeth Weis and John Belton, eds.
Provides historical definitions of sound-on-disc, sound-on-film (single system and double system), recording, and stereophonic technologies.