fundies-ch12rev - works best at high freqs where head...

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CHAPTER 12 Sound Localization and Binaural Hearing
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Binaural Hearing: Some Terms AZIMUTH -angle from straight ahead in horizontal plane. Minimum Audible Amgle - jnd for azimuth. (smallest at 0 degrees, largest near 90 and 270 deg.) Binaural
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LOCALIZATION & LATERALIZATION LOCALIZATION: ability to determine location of a sound source in the sound field. LATERALIZATION: perceived position of sound within your head for stimulation under headphones. Binaural
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Sound Localization Binaural
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LOCALIZATION CUES: INTERAURAL TIME DIFFERENCE works best at low freqs: up to 0.65 ms at 90 deg. INTERAURAL INTENSITY DIFFERENCE
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Unformatted text preview: works best at high freqs: where head shadow exists. • PRECEDENCE EFFECT people can tell which ear was stimulated first. Binaural Masking Level Difference (MLD) Masker and Signal in Each Ear Test Threshold twice: > once with identical signals in each ear > once with 180 degrees out of phase R to L Binaural Masking Level Difference (MLD) (cont’d) • Signal is easier to detect with the interaural phase difference • Shift in threshold is about 12 to 15 dB at low frequencies. • Reflects processing in the auditory brainstem) Binaural...
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This note was uploaded on 08/23/2011 for the course SPA 3032 taught by Professor Gerhardt during the Spring '08 term at University of Florida.

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fundies-ch12rev - works best at high freqs where head...

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