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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.
Wave field synthesis (WFS) is a spatial audio rendering technique, characterized by creation of virtual acoustic environments. It produces artificial wavefronts synthesized by a large number of individually driven loudspeakers from elementary waves. Such wavefronts seem to originate from a virtual starting point, the virtual sound source.
MPEG Surround coding uses our capacity to perceive sound in the 3D and captures that perception in a compact set of parameters. Spatial perception is primarily attributed to three parameters, or cues, describing how humans localize sound in the horizontal plane: Interaural level difference (ILD), Interaural time difference (ITD) and Interaural coherence (IC).
These advancements allow for personalized listening experiences, adjusting sound quality to suit individual preferences and room acoustics. Spatial audio technologies, like Dolby Atmos and Apple’s Spatial Audio, provide immersive, three-dimensional sound that enhances home entertainment experiences.
An application of 3D sound synthesis is the sense of presence in a virtual environment, by producing more realistic environments and sensations in games, teleconferencing systems, and tele-ensemble systems. 3D sound can also be used to help those with sensory impairments, such as the visually impaired, and act as a substitute for other sensory feedback.
Spatial audio: Spatial audio technology enhances the listening experience by creating a more immersive sound environment. This is particularly helpful for seniors with hearing impairments.
The first and simplest method is using a surround sound recording technique—capturing two distinct stereo images, one for the front and one for the back or by using a dedicated setup, e.g., an augmented Decca tree [20] —or mixing-in surround sound for playback on an audio system using speakers encircling the listener to play audio from ...
A personalized audio message is a compiled, personalized voice message that individually addresses the recipient by name. These voice messages can be delivered through a myriad of channels, the most popular of which include phone transmission, email, web, and social media sites such as Facebook .