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In recent years, with the vigorous development of 3D film industry, the demand for 3D Smart Home Theater, based on Internet of Things (IoT), continues to grow. Theaters are populated with a large number of loudspeakers for more realistic 3D sound effects. However the number of loudspeakers in home is limited. Therefore, multichannel conversion is required to achieve theater 3D sound effects in home...
NHK has proposed a famous 3D audio system: 22.2 multi-channel system, but its loudspeakers are too many and are troublesome to put in home. Ando and Wang has proposed two simplification methods to reduce its channel number, but only 3D sound field at the central listening point can be recovered well by NHK 22.2 system and its simplified systems, the listening experience at a non central listening...
People hope to use a small number of loudspeakers to get the experience of the film 3D sound at home. Considering that people use two ears to listen, this paper provides a method which reproduce the sound field within the region of two ears. We develop the fundamental performance limits for the truncated spherical harmonic function expansions of the sound field within the region of ears. Based on...
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