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Ambience Sound Recording Utilizing Dual MS (Mid-Side) Microphone Systems Based upon Frequency Dependent Spatial Cross Correlation (FSCC) [Part-3: Consideration of Microphones' Locations]

In order to achieve ambient and exactly sound-localized musical recording with less number of microphones, we studied sound acquisition performances of microphone arrangements utilizing their Frequency Dependent Spatial Cross Correlation (FSCC). The result is that MS microphone is best for this purpose. The setting of the microphonefs directional azimuth at 132Kis the best for ambient sound acquisition and setting of that at 120Kis best for on-stage sounds acquisition. We conducted actual concert recordings with combining those MS microphones (Dual MS microphone systems) and obtained satisfactory results. Successively, we studied the proper setting positions of those microphones. For ambient sound acquisition, suspending the microphone at the center of concert hall is favorable, and for on-stage sound acquisition, locating it at almost above the conductorfs position will be satisfactory. Process of the studies will be reported.

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