| 摘要 |
PROBLEM TO BE SOLVED: To describe wideness of a sound source. SOLUTION: A parametric description describing the wideness of a non-point sound source is generated and linked with the audio signal of the sound source. The presentation of the non-point sound source by a plurality of decorrelated point sound sources at different positions is defined. Different diffuseness algorithms are applied for ensuring decorrelation of the respective outputs. According to a further embodiment, primitive shapes of several distributed uncorrelated sound sources are defined e.g. a box, a sphere and a cylinder. The wideness of a sound source is also defined by an opening-angle relative to the listener. Furthermore, the primitive shapes are combined with more complex shapes. COPYRIGHT: (C)2010,JPO&INPIT |
