Gammatone filter bank chip system supporting voice real-time decomposition/synthesis
A filter bank, gamma pass technology, applied in speech synthesis, speech analysis, instruments, etc., can solve the problems of increased power consumption, high power consumption, low power consumption incompatible with mobile devices, etc. The effect of reducing latency and power consumption
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[0024] A kind of gamma-pass filter group chip system that supports voice real-time decomposition / synthesis proposed by the present invention is further described below in conjunction with accompanying drawings and specific embodiments as follows:
[0025] A kind of gamma-pass filter group chip system that supports voice real-time decomposition / synthesis that the present invention proposes, setting input voice as x(k) in the present invention, frame length L=2 F , the order of the gamma-pass filter is N, the number of channels M=2 C , the center frequency fc of the channel, and the bit width of the address bus AddrBus is F+C.
[0026] The system consists of five parts: input module, parameter module, control module, calculation module and output module; after the input module receives a frame of voice data, it generates an activation signal to activate the control module; then under the control of the control module, the input module Adjust the delay of each channel according ...
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