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A method and system for automatic segmentation of consonants and finals in cleft palate speech

A technology of consonant and final segmentation and cleft palate speech, which is applied in speech analysis, instruments, etc., can solve the problem of less research on consonant and final segmentation algorithms, and achieve the effect of precise segmentation points

Inactive Publication Date: 2019-06-11
SICHUAN UNIV
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Problems solved by technology

[0004] In the current research, there is an automatic segmentation of Mandarin consonants and finals, but these studies are based on the segmentation algorithm of Mandarin consonants and finals for normal people
At present, there are few researches on the segmentation algorithm of consonants and finals for pathological speech

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  • A method and system for automatic segmentation of consonants and finals in cleft palate speech
  • A method and system for automatic segmentation of consonants and finals in cleft palate speech
  • A method and system for automatic segmentation of consonants and finals in cleft palate speech

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Embodiment Construction

[0079] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0080] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0081] In Mandarin, a Chinese character is pronounced as a syllable. Usually, a syllable is composed of initials and finals. In Mandarin, there is also the phenomenon of zero initials, that is, there are only finals in a syllable. In the speech samples contained in this cleft palate speech database, there are no syllables with zero initial consonants and omitted consonants.

[0082] Mandarin Chinese contains a total of 21 initial consonants, of which m, n, l, r four initial consonants are voiced, an...

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Abstract

The invention discloses a cleft palate speech initial and final automatic segmentation method and a cleft palate speech initial and final automatic segmentation system, which relate to the field of speech signal processing technologies, especially a cleft palate speech initial and final automatic segmentation technology. The invention aims to provide an initial and final automatic segmentation algorithm for cleft palate speech to solve the technical problem that an initial and final automatic segmentation algorithm for the cleft palate speech does not exist in the prior art. The cleft palate speech initial and final automatic segmentation method is characterized by carrying out the processing steps on a syllable including an initial: a quasi voiced initial and a quasi voiceless initial distinguish step, which is used for distinguishing whether the syllable is a syllable comprising a quasi voiced initial or one comprising a quasi voiceless initial; an initial and final segmentation step for the syllable comprising the quasi voiced initial; and an initial and final segmentation step for the syllable comprising the quasi voiceless initial.

Description

technical field [0001] The invention relates to the technical field of speech signal processing, in particular to a technology for automatic segmentation of consonants of cleft palate speech. Background technique [0002] Cleft lip and palate is the most common congenital craniofacial deformity. Among them, speech and language dysfunction is the biggest impact of cleft palate. Speech assessment is an important part of cleft palate sequence therapy. The realization of the computer automatic assessment algorithm for cleft palate speech has important clinical significance. [0003] Dysarthria is a specific manifestation of cleft palate speech. Dysarthria is caused by the patient's incorrect pronunciation method. Its manifestations include consonant omission (the consonant in a syllable is omitted, leaving only the vowel phenomenon), consonant substitution (some The consonant part of a syllable is replaced by another consonant, thus becoming a different syllable) and compensa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L25/48G10L25/66G10L25/93
CPCG10L25/48G10L25/66G10L25/93G10L2025/932G10L2025/937
Inventor 何凌柳银尹恒郭春丽
Owner SICHUAN UNIV
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