DIN Standards Committee Entertainment Technology, Photography and Cinematography
ISO 2969
Cinematography - B-chain electro-acoustic reponse of motion-picture control rooms and indoor theatres - Specifications and measurements
Kinematografie - Elektro-akustischer Frequenzgang B für Filmprüfräume und für umbaute Filmtheater - Angaben und Messmethoden
Responsible national committee
NA 149-00-03 AA - Production, playback and preservation of motion picture and sound