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Abstract
Binaural processing in normal hearing activities is based on the ability of listeners to use the information provided by the differences between the signals at the two ears. The most prominent differences are the interaural time difference and the interaural level difference, both of which depend on frequency. This paper describes the stages by which these differences are estimated by the physiological structures of the auditory system, summarizes the sensitivity of the human listener to these differences, and reviews the nature of the interaural differences in realistic environments.
| Acronyms | ||
| ITD | = | Interaural time difference |
| IPD | = | Interaural phase difference |
| ILD | = | Interaural level difference |
| JND | = | Just-noticeable difference |
| MLD | = | Masking level difference |
| CN | = | Cochlear nucleus |
| SOC | = | Superior olive complex |
| SRT | = | Speech reception threshold |
| CRM | = | Coordinate response measure |
| HI | = | Hearing impaired |
| NH | = | Normal = hearing |
| Acronyms | ||
| ITD | = | Interaural time difference |
| IPD | = | Interaural phase difference |
| ILD | = | Interaural level difference |
| JND | = | Just-noticeable difference |
| MLD | = | Masking level difference |
| CN | = | Cochlear nucleus |
| SOC | = | Superior olive complex |
| SRT | = | Speech reception threshold |
| CRM | = | Coordinate response measure |
| HI | = | Hearing impaired |
| NH | = | Normal = hearing |
Sumario
El procesamiento binaural durante actividades auditivas habituales está basado en la habilidad de los oyentes para usar la información proporcionada por las diferencias entre las señales en ambos oídos. Las diferencias más prominentes son de tiempo y de intensidad interaural, ambas dependientes de la frecuencia. Este trabajo describe las etapas por las cuales estas diferencias son estimadas por las estructuras fisiológicas del sistema auditivo; resume la sensibilidad del oyente humano a éstas diferencias y revisa la naturaleza de las diferencias interaurales en ambientes reales.