History and current state of the war between the two main approaches to surround sound: discrete speaker feeds versus hierarchical matrix

40th AES Conference - Tokyo, 8-10 October 2010

The ORF seminar

System D: INA5 (Ideale Nieren-Anordnung (Ideal Cardioid Arrangement)) (after Herrmann/Henkels); This system is also based on the Williams localization curves, so that the recording angles of adjacent microphone pairs just touch each other (representing the „sweet-spot“-group)