Relation between Correlation Characteristics of Sound Field and Width of Listening Location
Measurements of the sound field in a number of listening rooms were conducted with the speakers placed in ITU-recommended and arbitrary positions. Correlation analysis was performed to determine the degree of coherence in the sound field measured in various places in the room. Results show that the radius of correlation corresponds to the size of the sweetspot. These conclusions are confirmed by listening tests and recommendations on sound field correlation are proposed.
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