Broadband wave beam forming method and apparatus
A beam and broadband technology, applied in the field of broadband beam forming methods and devices, can solve the problems of voice enhancement performance degradation and the like
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[0098] The cores of the method and device of the present invention are as follows: determine each sub-band signal corresponding to the signal input to each microphone, determine the frequency-domain correlation matrix of each sub-band signal, and determine according to the three-dimensional space transmission vector of the signal source and each frequency-domain correlation matrix The weight vector of each sub-band signal determines the output signal according to the weight vector of each sub-band signal and each sub-band signal.
[0099] The technical solution provided by the present invention will be further described below based on the core idea of the present invention.
[0100] The microphone type in the present invention is an omnidirectional microphone, and the sound pickup distance of the microphone can be determined according to the specific application environment, such as the room size is 5 meters long, 10 meters wide, and 4 meters high, if all the sounds in the ro...
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