G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 19/10 (2006.01)
Patent
CA 2233146
An auxiliary multi-pulse setting circuit sets candidates of pulse positions so that the pulse positions to which no pulse is located are selected in an auxiliary multi- pulse searching circuit prior to the pulse positions at which pulses have already been encoded in a multi-pulse searching circuit. The auxiliary multi-pulse searching circuit generates an auxiliary multi-pulse signal according to the candidates of pulse positions set in the auxiliary multi-pulse setting circuit and encodes the auxiliary multi-pulse signal so that difference between the reproduced audio signal which is obtained by driving a linear predictive synthesis filter with the auxiliary multi-pulse signal and an input audio signal is minimized similarly to the multi-pulse searching circuit.
Corporation Nec
G. Ronald Bell & Associates
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