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2009•Zhongguo sifa jiandingRequires access

Research on the discriminating value of different frequency formants in speaker recognition

Wang Li-jun

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Abstract

Objectiv To study the discriminating value of different frequency formants in voice identification.Methods Formants of 10 female and 8 male twins'natural reciting speech were measured, discrimination value and stability of which were compared and analyzed.Results whether female or male twins could be discriminated based on the formants in the different frequency ranges, including lower than 2 000Hz, 2 000Hz-5 000Hz and 5 001Hz-8 000Hz.Stability of formants were decreased with the increasing of frequencies and the proportionf of nulli-formants was as higher as 26.67% in the range of 5000Hz-8000Hz.Conclution The discriminating value of formants within different frequency ranges was no significant difference due to the influence of the stability of formants.

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Objectiv To study the discriminating value of different frequency formants in voice identification.Methods Formants of 10 female and 8 male twins'natural reciting speech were measured, discrimination value and stability of which were compared and analyzed.Results whether female or male twins could be discriminated based on the formants in the different frequency ranges, including lower than 2 000Hz, 2 000Hz-5 000Hz and 5 001Hz-8 000Hz.Stability of formants were decreased with the increasing of frequencies and the proportionf of nulli-formants was as higher as 26.67% in the range of 5000Hz-8000Hz.Conclution The discriminating value of formants within different frequency ranges was no significant difference due to the influence of the stability of formants.

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Available abstract

Objectiv To study the discriminating value of different frequency formants in voice identification.Methods Formants of 10 female and 8 male twins'natural reciting speech were measured, discrimination value and stability of which were compared and analyzed.Results whether female or male twins could be discriminated based on the formants in the different frequency ranges, including lower than 2 000Hz, 2 000Hz-5 000Hz and 5 001Hz-8 000Hz.Stability of formants were decreased with the increasing of frequencies and the proportionf of nulli-formants was as higher as 26.67% in the range of 5000Hz-8000Hz.Conclution The discriminating value of formants within different frequency ranges was no significant difference due to the influence of the stability of formants.

Key concepts: Formant, Value (mathematics), Speaker identification, Speech recognition, Audiology, Mathematics, Acoustics, Speaker recognition

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