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HRTF filtering effect. A head-related transfer function (HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is perceived, boosting some frequencies and attenuating others.
Spatial hearing loss refers to a form of deafness that is an inability to use spatial cues about where a sound originates from in space. Poor sound localization in turn affects the ability to understand speech in the presence of background noise.
Sound is the perceptual result of mechanical vibrations traveling through a medium such as air or water. Through the mechanisms of compression and rarefaction, sound waves travel through the air, bounce off the pinna and concha of the exterior ear, and enter the ear canal.
With Windows 10, Microsoft introduced native integrations for spatial audio, allowing anyone to listen to simulated surround sound with even a cheap pair of headphones.
3-D audio (processing) is the spatial domain convolution of sound waves using head-related transfer functions. It is the phenomenon of transforming sound waves (using head-related transfer function or HRTF filters and cross talk cancellation techniques) to mimic natural sounds waves, which emanate from a point in a 3-D space.
These high-tech prescription hearing aids employ a sort of artificial intelligence technology known as a Deep Neural Network BrainHearing system to support the way your brain interprets sound by ...
There's also enhanced spatial sense allowing for increased awareness of sounds coming from the sides and behind. This receiver-in-canal hearing aid is discreet and fits securely behind the ear.
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.