Phase detection apparatus and method, and audio coding apparatus

Details Phase detection apparatus and method, and audio coding apparatus Phase detection apparatus and method, and audio coding apparatus

1999-01-26

2000-09-05

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704207, 704219, 704220, G10L 1104, G10L 1904

Patent

active

06115685&

ABSTRACT:
Phase detection apparatus and method, wherein a one-pitch cycle is cutout of an input signal waveform and then that cutout one-pitch cycle is dimension converted into 2.sup.k -sample data. The data conversion is performed on respective higher harmonic components of the input signal according to a real part and an imaginary part of the orthogonal data that has been converted.

REFERENCES:
patent: 4065665 (1977-12-01), Rietsch
patent: 5381512 (1995-01-01), Holton et al.
patent: 5727119 (1998-03-01), Davidson et al.

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