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Percepción auditiva de la distancia en las habitaciones
1TNO Human Factors Research Institute, Soesterberg, The Netherlands. bronkhorst@tm.tno.nl
Nature
|February 24, 1999
Resumen
Un nuevo modelo predice con precisión la distancia sonora percibida utilizando una relación de energía directa y reverberante modificada. Este tiempo de integración de 6 milisegundos explica el horizonte auditivo en la audición espacial.
Área de la Ciencia:
- La acústica es la acústica.
- La psicoacústica es la psicoacústica.
- La percepción auditiva es la percepción auditiva.
Sus antecedentes:
- La distancia percibida de la fuente de sonido depende de la relación entre la energía sonora directa y la reverberante.
- Las investigaciones anteriores carecían de un modelo cuantitativo para este fenómeno.
- La tecnología de fuentes de sonido virtuales permite estudios controlados de la percepción a distancia.
Objetivo del estudio:
- Desarrollar un modelo cuantitativo para la distancia sonora percibida.
- Investigar el papel de una relación de energía directa-reverberante modificada.
- Para explicar el efecto del horizonte auditivo en la percepción auditiva.
Principales métodos:
- Realizó dos experimentos utilizando estímulos controlados y deterministas generados a través de fuentes de sonido virtuales.
- Se aplicó un modelo modificado de relación de energía directa-reverberante.
- Incorpora un tiempo de integración de 6 milisegundos para el cálculo directo de la energía sonora.
Principales resultados:
- El modelo propuesto predijo con precisión los resultados experimentales en la distancia percibida.
- La relación modificada proporcionó una explicación para el horizonte auditivo.
- Se identificó un tiempo de integración de 6 milisegundos como crucial para el cálculo directo de la energía del sonido.
Conclusiones:
- Un modelo simple y modificado de relación de energía directa a reverberante predice efectivamente la distancia sonora percibida.
- El tiempo de integración de 6 milisegundos es un factor clave en la audición espacial y el horizonte auditivo.
- Este modelo avanza en nuestra comprensión de la percepción auditiva de la distancia y los mecanismos auditivos espaciales.
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