Characteristics of Performance Spaces
While popular and rock music is usually recorded (some would say created) in studios, most classical recording takes place in actual performance spaces, be they concert halls, ballrooms, or houses of worship. To the extent that a classical recording attempts to convey a sense of space or ambience appropriate for the music, it will be useful to analyze performance spaces in terms of direct, early, and reverberant fields. The direct field is of course the sound reaching the listener along a straight line from the source on stage. The early field generally describes the ensemble of early reflections from the front and sides of the space to the listener. The time interval usually discussed here is the first 100 msec after the initial onset of sound. The reverberant field has been discussed earlier, and it is the statistical ensemble of many reflections that arrive uniformly at the listener from all directions. The trade-offs inherent in concert hall design will be discussed, as will some numerical methods for rating concert hall performance.
KeywordsPerformance Space Acoustical Power Reverberation Time Apply Science Publisher Direct Sound
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