Abstract
The sound powers radiated by a monopole source and a dipole source in a reverberation chamber have been calculated. The calculation has shown that the sound power emission of an ideal sound source is greater in reverberant than free-field conditions. The smaller sound power radiation of an actual sound source in reverberant conditions has been shown to be due to the nonideal internal resistance of the source. The internal resistance of an actual sound source may be determined from the measured sound power emission ratio between reverberant and free-field conditions and the calculated sound power ratio.
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