DETECTION OF HYPERNASAL SPEECH IN CHILDREN WITH CLEFT PALATE

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Akafi Ehsan; VALI MANSOUR; MORADI NEGIN

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Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING
Year:2012 | Issue:19

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Title

DETECTION OF HYPERNASAL SPEECH IN CHILDREN WITH CLEFT PALATE

Author(s)

Akafi Ehsan | VALI MANSOUR | MORADI NEGIN

Keywords

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Abstract

THE PRONUNCIATION OF A SPEAKER WITH CLEFT LIP OR PALATE OR SUBJECTS WITH DEFECTIVE VELOPHARYNGEAL MECHANISM IS MARKED BY HYPERNASALITY AND ACTUALLY AN OPERATION IS NECESSARY TO REDUCETHISHYPERNASALITY. THEN AN ASSESSMENT OF HYPERNASALITY IS IMPERATIVE TO QUANTIFY THE EFFECT OF THE SURGERY AND DESIGN THE SPEECH THERAPY SESSIONS. IN THIS PAPER, A NEW QUANTITATIVE METHOD IS PROPOSED TO ESTIMATE HYPERNASALITY. THE PROPOSED METHOD USED THE FACT THAT AN AUTOREGRESSIVE (AR) MODEL FOR VOCAL TRACT SYSTEM OF A PATIENT WITH CLEFT PALATE IS NOT ACCURATE, BECAUSE THE ZEROS APPEAR IN THE FREQUENCY RESPONSE OF VOCAL TRACT SYSTEM. THEREFORE IN OUR METHOD HYPERNASALITY WAS ESTIMATED BY COMPARING THE DISTANCE BETWEEN THE SEQUENCES OF CEPSTRUM COEFFICIENTS EXTRACTED FROM AR MODEL AND AUTOREGRESSIVE MOVING AVERAGE (ARMA) MODEL. SINCE THE PROPOSED METHOD NEEDS ONLY DIGITIZED SPEECH DATA, IT IS PROVIDES A STRAIGHTFORWARD AND COST-EFFECTIVE EVALUATION OF HYPERNASALITY

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APA: Copy

Akafi, Ehsan, VALI, MANSOUR, & MORADI, NEGIN. (2012). DETECTION OF HYPERNASAL SPEECH IN CHILDREN WITH CLEFT PALATE. IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. SID. https://sid.ir/paper/926381/en

Vancouver: Copy

Akafi Ehsan, VALI MANSOUR, MORADI NEGIN. DETECTION OF HYPERNASAL SPEECH IN CHILDREN WITH CLEFT PALATE. 2012. Available from: https://sid.ir/paper/926381/en

IEEE: Copy

Ehsan Akafi, MANSOUR VALI, and NEGIN MORADI, “DETECTION OF HYPERNASAL SPEECH IN CHILDREN WITH CLEFT PALATE,” presented at the IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. 2012, [Online]. Available: https://sid.ir/paper/926381/en

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