PSOLA pitch alteration of accuracy multiple using voice/unvoice speech detection algorithm

Author

YoungHun Jung ; Ham, MyungKyu ; ChanJoong Jung ; Bae, MyungJin

Author_Institution

Dept. of Inf. & Telecommun. Eng., Soongsil Univ., Seoul, South Korea

Volume

2

fYear

2002

fDate

28-31 Oct. 2002

Firstpage

901

Abstract

We proposed a method to solved the problem that the output is not equal to the interval of integer times caused by pitch alteration using the PSOLA method by voice/unvoice detection. The proposed method is applied to the existing PSOLA method by voice/unvoice detection in the voice region and the deletion or interpolation method about samples which are not equal to the interval of integer times in the unvoice region. We used the SNR for an objective measure and compared each sample by the existing and proposed method for a measure of the result of the proposed method. We achieved pitch altered voice which is equal to the interval of integer times and the SNR value of the proposed method is almost equal to the existing one.

Keywords

data compression; signal detection; signal sampling; speech coding; speech synthesis; LPC; PSOLA pitch alteration; SNR; interpolation method; objective measure; pitch alteration; pitch alteration synthesis method; pitch altered voice; speech sample; voice/unvoice speech detection algorithm; Animation; Cepstrum; Frequency domain analysis; Humans; Linear predictive coding; Signal processing; Signal synthesis; Speech synthesis; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON '02. Proceedings. 2002 IEEE Region 10 Conference on Computers, Communications, Control and Power Engineering

Print_ISBN

0-7803-7490-8

Type

conf

DOI

10.1109/TENCON.2002.1180266

Filename

1180266