منابع مشابه
Quantification of binaural loudness summation by measuring simple reaction time
When listening to sounds in a natural environment, different sound pressure levels reach the two ears. They are nevertheless combined to result in a single ’binaural’ loudness. This phenomenon is called binaural loudness summation. In the laboratory it can be carried to an extreme by stimulating one ear only (monaural presentation) or both ears (binaural or diotic presentation) using headphones...
متن کاملLoudness and Loudness Discrimination Revisited
We present evidence that the psychophysical function relating loudness to sound pressure is governed by a nonlinear gain control system, one of whose functions is to protect the sensory system from overload. Specifically, the loudness function is altered nonlinearly when loud sounds are added in an identification task previously containing only soft sounds but not vice
متن کاملA Real-time Binaural Loudness Meter
The alignment of sound intensity is of great importance particularly in the field of psychometrics. When sounds have different spectral content, loudness alignment becomes a more suitable tool. However, traditional models assume the source either to reside in a free field at 0° azimuth or in a diffuse field. To assess or align sound source loudness at different locations or with different radia...
متن کاملOverall loudness of short time-varying sounds
When predicting the overall loudness of time-varying sounds, it is necessary to use a function which calculates an overall value based on instantaneous loudness. Although N5 and LL(P) correlate for many sounds, their concepts are rather different. N5 is the loudness which is exceeded in five percent of the time, thus it is an ordinal value. LL(P) is the energetic mean of all instantaneous loudn...
متن کاملReal-time Visualisation of Loudness along Different Time Scales
We propose a set of design criteria for visualising loudness features of an audio signal, measured along different time scales. A novel real-time loudness meter, based on these criteria, is presented. The meter simultaneously shows short-term loudness, long-term loudness and peak level. The short-term loudness is displayed using a circular bar graph. The meter displays the longterm loudness by ...
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ژورنال
عنوان ژورنال: Perception & Psychophysics
سال: 1981
ISSN: 0031-5117,1532-5962
DOI: 10.3758/bf03207370