Loudspeaker Calibration & Walking the Line & Person vs. Loudspeaker

4 Different types of scenes have been recorded:

• Calibration scenes with a loudspeaker at 13 positions

• Person walking three times left to right and back along a line
  (5 people, 4 variants: facing awear/facing front, talking/silent)

• same as before but with an additional loudspeaker at a fixed position (2 people)

• People and loudspeaker at fixed positions:
• 2 minutes loudspeaker only
• 2 minutes both talking
• 2 minutes person only talking (4 people english, 1  german)