Pitch estimation method for a low delay multiband excitation voc

Details Pitch estimation method for a low delay multiband excitation voc Pitch estimation method for a low delay multiband excitation voc

1998-09-04

2000-09-12

Zele, Krista

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704205, G10L 2100

Patent

active

061190810

ABSTRACT:
A of estimating a pitch in a multiband excitation vocoder is provided. The method includes the steps of (a) obtaining an error amount with respect to respective pitch candidates in a predetermined pitch area from an input voice magnitude spectrum, (b) obtaining a weighted function with respect to the respective pitch candidates, (c) obtaining a weighted error amount with respect to the respective pitch candidates, and (d) determining the candidate pitch having the minimum error amount in the weighted error amount with respect to the respective pitch candidates to be an estimated pitch. According to the present invention, in the vocoder of the multiband excitation method, it is possible to obtain high speech quality due to a short delay time since it is possible to remove a gross pitch error without using a pitch tracking method.

REFERENCES:
patent: 5195166 (1993-03-01), Hardwick et al.
patent: 5216747 (1993-06-01), Hardwick et al.
patent: 5226084 (1993-07-01), Hardwick et al.
patent: 5226108 (1993-07-01), Hardwick et al.
patent: 5247579 (1993-09-01), Hardwick et al.
patent: 5473727 (1995-12-01), Nishiguchi et al.
patent: 5517511 (1996-05-01), Hardwick et al.
patent: 5574823 (1996-11-01), Hassanein et al.
patent: 5581656 (1996-12-01), Hardwick et al.
patent: 5754974 (1998-05-01), Griffin et al.

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