Binaural Hearing — Listening with Both Ears
Although, at present, telephone speech is mostly monaural, the future promises much binaural business. Think of tele-conferences and virtual acoustic spaces. The following informal overview of binaural hearing covers directional hearing (in the horizontal and vertical planes), the precedence and Haas effects (and their applications in public-address and “assisted-resonance” systems), artificial reverberation, pseudo-stereophony, binaural release from masking, the cocktail-party effect, central-pitch phenomena, Deutsch’s octave illusion, the creation of virtual sound images, and the faithful reproduction of concert hall recordings in an anechoic environment for acoustical quality studies. The chapter concludes with a brief review of sound-diffusing surfaces based on number theory that have become standard equipment in sound recording studios, including those for speech signals.
KeywordsSound Source Broadband Noise Reverberation Time Group Delay Differenee Binaural Hearing
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