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A Binaural Auditory Model for the Evaluation of Reproduced Stereophonic Sound

Binaural cues describing the differences in phase and power between the signals at the two ears enable our auditory system to localize sound sources and segregate spatially multiple auditory events. Recent publications on binaural auditory modeling have shown how the interaural coherence can be utilized to estimate these cues and therefore model the localization ability of our auditory system. The approach is exploited in this paper to estimate the binaural cues at different frequency bands and identify the direction of sound sources from signals recorded with a head and torso simulator. We illustrate the application of this binaural auditory model to evaluate sound reproduced by a stereophonic loudspeaker setup in terms of source localization and specific loudness.

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