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Sound localization is a listener's ability to identify the location or origin of a detected sound in direction and distance. The sound localization mechanisms of the mammalian auditory system have been extensively studied. The auditory system uses several cues for sound source localization, including time difference and level difference (or ...
3D sound localization refers to an acoustic technology that is used to locate the source of a sound in a three-dimensional space.The source location is usually determined by the direction of the incoming sound waves (horizontal and vertical angles) and the distance between the source and sensors.
This however is still no solution for the sound localization problem as one tries to determine either an exact direction, or a point of origin. Besides considering microphones that measure sound pressure, it is also possible to use a particle velocity probe to measure the acoustic particle velocity directly.
The location of a sound source is determined through three-dimensional sound localization using multiple microphone arrays, binaural hearing methods, and HRTF (head-related transfer function). After identifying the direction, other signal processing techniques are used to measure the impulse response over lengths of time to determine the ...
Sound localization is an animal’s ability to identify the origin of a sound in distance and direction. [3] Several owl species have ears that are asymmetrical in size and location, which enhances this ability.
When localizing 3D sound in spatial domain, one could take into account that the incoming sound signal could be reflected, diffracted and scattered by the upper torso of the human which consists of shoulders, head and pinnae. Localization also depends on the direction of the sound source. [5]
(sound source: 100 ms white noise from 90° azimuth, 0° elevation) The interaural time difference (or ITD) when concerning humans or animals, is the difference in arrival time of a sound between two ears. It is important in the localization of sounds, as it provides a cue to the direction or angle of the sound source from the head. If a signal ...
Poor sound localization in turn affects the ability to understand speech in the presence of background noise. [1] People with spatial hearing loss have difficulty processing speech that arrives from one direction while simultaneously filtering out 'noise' arriving from other directions.