Some data:
• Recording made in a church in Hannover, on 25 November 2001
• 54-tracks simultaneous recording
• 18 technicians
• 9 microphone systems
• 6 resulting 5.1 productions
• 40 listeners for evaluating the 6 different mixes
• Additional test for 7 Soundfield-derived decodings (with few listeners
and different rating scale)