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SOUND INTENSITY DISTRIBUTION AND ACOUSTIC POWER OUTPUT OF A SOUND SOURCE IN REVERBERATION CHAMBER

L Zeng

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Abstract

The sound power measurements using sound intensity measuring indicated that the emission of sound source varied in different acoustic environments, the low frequency output of a sound source in reverberation chamber is Lower than that in anechoic room. The direct sound from a source was measured by mesuring the sound intensity in a reverberation chamber. There are some phenomena showing the differences between sound pressure and intensity both in anechoic room and reverberation chamber.

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What this paper is about

The sound power measurements using sound intensity measuring indicated that the emission of sound source varied in different acoustic environments, the low frequency output of a sound source in reverberation chamber is Lower than that in anechoic room. The direct sound from a source was measured by mesuring the sound intensity in a reverberation chamber. There are some phenomena showing the differences between sound pressure and intensity both in anechoic room and reverberation chamber.

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Available abstract

The sound power measurements using sound intensity measuring indicated that the emission of sound source varied in different acoustic environments, the low frequency output of a sound source in reverberation chamber is Lower than that in anechoic room. The direct sound from a source was measured by mesuring the sound intensity in a reverberation chamber. There are some phenomena showing the differences between sound pressure and intensity both in anechoic room and reverberation chamber.

Key concepts: Sound intensity, Sound power, Acoustics, Critical distance, Anechoic chamber, Reverberation, Reverberation room, Electromagnetic reverberation chamber

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