NOISE AND TRANSMISSION CHANNEL DEGRADATION COMPENSATION AND SCORE NORMALIZATION USING A ROBUST HYBRID SPEAKER VERIFICATION AND IDENTIFICATION SYSTEM

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HOMAYOUNPOUR MOHAMMAD MAHDI; KABUDIAN J.

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Journal: MODARES TECHNICAL AND ENGINEERING Year:2004 | Volume:- | Issue:16 Page(s): 33-48

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Title

NOISE AND TRANSMISSION CHANNEL DEGRADATION COMPENSATION AND SCORE NORMALIZATION USING A ROBUST HYBRID SPEAKER VERIFICATION AND IDENTIFICATION SYSTEM

Author(s)

HOMAYOUNPOUR MOHAMMAD MAHDI | KABUDIAN J. | Issue Writer Certificate

Keywords

SPEAKER RECOGNITIONQ4

HYBRID SYSTEMQ4

HIDDEN MARKOV MODEL. GAUSSIAN MIXTURE MODELQ4

SCORE NORMALIZATIONQ4

Abstract

A parallel HYBRID SYSTEM of HMM and GMM modeling techniques was implemented and used in a telephony speaker verification and identification system. Spectral subtraction and Weighted Projection Measure were used to render this system more robust against additional noise. Cepstral Mean Subtraction method was also applied for the compensation of convolution noise due to transmission channel degradation and differences in the frequency response of telephone handsets. For a population of 100 speakers of FARSDIGITS1 database with a SNR of 8.8 dB, a speaker identification performance of 95.51% and a speaker verification error rate of 0.37% were obtained. Several SCORE NORMALIZATION methods in utterance and frame level and weighting of model scores were also implemented, and then compared and evaluated. It was shown that these methods improve discrimination between speakers and yield a reduction of speaker verification and identification error rates.

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APA: Copy

HOMAYOUNPOUR, MOHAMMAD MAHDI, & KABUDIAN, J.. (2004). NOISE AND TRANSMISSION CHANNEL DEGRADATION COMPENSATION AND SCORE NORMALIZATION USING A ROBUST HYBRID SPEAKER VERIFICATION AND IDENTIFICATION SYSTEM. MODARES TECHNICAL AND ENGINEERING, -(16), 33-48. SID. https://sid.ir/paper/24978/en

Vancouver: Copy

HOMAYOUNPOUR MOHAMMAD MAHDI, KABUDIAN J.. NOISE AND TRANSMISSION CHANNEL DEGRADATION COMPENSATION AND SCORE NORMALIZATION USING A ROBUST HYBRID SPEAKER VERIFICATION AND IDENTIFICATION SYSTEM. MODARES TECHNICAL AND ENGINEERING[Internet]. 2004;-(16):33-48. Available from: https://sid.ir/paper/24978/en

IEEE: Copy

MOHAMMAD MAHDI HOMAYOUNPOUR, and J. KABUDIAN, “NOISE AND TRANSMISSION CHANNEL DEGRADATION COMPENSATION AND SCORE NORMALIZATION USING A ROBUST HYBRID SPEAKER VERIFICATION AND IDENTIFICATION SYSTEM,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 16, pp. 33–48, 2004, [Online]. Available: https://sid.ir/paper/24978/en

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