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Perception of a late room reflection in relation to the intensity of the sound source

: Wettschureck, R.

Acustica 32 (1975), Nr.4, S.284-6
ISSN: 0001-7884
ISSN: 1436-7947
Fraunhofer HHI ()
architectural acoustics; musical acoustics; sound source intensity; perception; late room reflection; experimental synthetic acoustic field; concert performance; piano; forte; echoic interference; nonlinearity

An investigation is reported, in an experimental synthetic acoustic field, of the frequently observed effect that during a concert performance, on a change from piano to forte, a previously absent echoic interference occurs. The results show that a nonlinearity with respect to sound intensity is responsible for the effect.