Haas effect


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Haas effect

[häs i‚fekt]
(acoustics)
A phenomenon whereby sound produced by the second of two loudspeakers cannot be detected if it is delayed relative to sound from the other loudspeaker by a time interval between 1 and 30 milliseconds and has an intensity less that 10 decibels above that of the primary sound.
References in periodicals archive ?
He begins with the physical characteristics of sound--vibration, velocity, wavelength and frequency, harmonics, sound envelopes --and then moves on to perceptual issues, introducing concepts such as perceptual masking, sound localization, the Haas effect and the Inverse Square Law, the decibel, and equal-loudness contours.