NDLI: Analysis-by-synthesis voicing cut-off determination in harmonic coding

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Speech Coding, 2002, IEEE Workshop Proceedings.

2000 IEEE Workshop on Speech Coding. Proceedings. Meeting the Challenges of the New Millennium (Cat. No.00EX421)

2000 IEEE Workshop on Speech Coding. Proceedings. Meeting the Challenges of the New Millennium (Cat. No.00EX421)

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Analysis-by-synthesis voicing cut-off determination in harmonic coding

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1999 IEEE Workshop on Speech Coding Proceedings. Model, Coders, and Error Criteria (Cat. No.99EX351)

Analysis-by-synthesis voicing cut-off determination in harmonic coding

Content Provider	IEEE Xplore Digital Library
Author	Wenhui Jia Wai-Yip Chan
Copyright Year	2000
Description	Author affiliation: Brooktrout Technol., Los Gatos, CA, USA (Wenhui Jia)
Abstract	In low bit-rate harmonic speech coding, voicing information is often specified by a cut-off frequency of the spectrum. Many approaches of cut-off estimation depend on spectral matching, where a fixed prototype spectrum is used to model voiced harmonics. However, voiced harmonics do not always show a regular shape. One of the causes is harmonic interference. We propose an analysis-by-synthesis voicing cut-off determination scheme that takes into account harmonic interactions in spectral matching. The proposed scheme has been embedded in a 2.4 kb/s harmonic coder. Subjective listening tests show that the scheme performs well and is robust against noise.
Starting Page	65
Ending Page	67
File Size	282401
Page Count	3
File Format	PDF
ISBN	0780364163
DOI	10.1109/SCFT.2000.878397
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Power harmonic filters Cutoff frequency Speech coding Prototypes Frequency estimation Speech synthesis Frequency domain analysis Algorithm design and analysis Time domain analysis
Content Type	Text
Resource Type	Article

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