Sound localization
Sound Localization
Sound localization is the ability of a listener to identify the location or origin of a detected sound in direction and distance. It is a critical aspect of auditory systems that helps humans and other animals determine the location of a sound source.
Pronunciation
- /ˈsaʊnd ˌloʊkəlɪˈzeɪʃən/
Etymology
The term "sound localization" is derived from the English words "sound" and "localization". "Sound" comes from the Old English 'sund', which means noise or the act of making noise. "Localization" is derived from the Latin 'localis', which means pertaining to a place.
Related Terms
- Binaural hearing: The ability to hear in two ears, which helps in sound localization.
- Interaural time difference: The difference in arrival time of a sound between two ears.
- Interaural level difference: The difference in level (loudness) of a sound as heard in two ears.
- Psychoacoustics: The scientific study of sound perception and audiology.
- Auditory system: The sensory system for the sense of hearing.
Description
Sound localization refers to a listener's ability to identify the location or origin of a detected sound. This process relies on the ability to use sensory information from the ears to determine the direction and distance of a sound source. It is a critical aspect of the auditory system that helps humans and other animals determine the location of a sound source.
Sound localization is primarily achieved through the use of binaural cues, which are differences in the signals received by each ear. These cues include the interaural time difference and interaural level difference. The brain uses these cues to triangulate the location of a sound source.
The study of sound localization and its implications falls under the field of psychoacoustics, which is the scientific study of sound perception and audiology.
External links
- Medical encyclopedia article on Sound localization
- Wikipedia's article - Sound localization
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