MIDI Manufacturers Assn. Homepage of the MMA, which publishes the official MIDI specification. MPEG-4 Structured Audio Paper published by the Machine Listening Group at MIT discussing the concept of structured audio as opposed to audio compression Pro Sound News Online Daily News and information updated daily for professionals in the audio production industry. Professional Lighting and Sound Assn. Represents over 400 companies involved in the professional lighting and sound industries, working to further raise the profile of the entertainment technology industry in the eyes of government, investors and customers.
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