MULTI-CHANNEL SOUND FIELD SOUND COLLECTION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a multi-channel sound field sound collection system adopting the 3-2 system for 5 channel stereophonic signals that is excellent in the sound collection performance for 3 front channels. SOLUTION: A super directivity microphone is adopted for a microphone 1 in a front direction, a direction of two primary sound pressure gradient type directional microphones 2, 3 directed in front left and right sides is selected within an angular range of 45 deg. to 90 deg. from the front to the left and right sides so as to obtain the multi-channel sound field sound collection system adopting the 3-2 system for 5 channel stereophonic signals that has a shape preferable to the installation and mount and is excellent in the sound collection characteristic.