口吃偵測方法與裝置、電腦程式產品METHOD AND DEVICE FOR RECOGNIZING STUTTERED SPEECH AND COMPUTER PROGRAM PRODUCT

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

104124768

專利證號

I 585756

專利獲證名稱

口吃偵測方法與裝置、電腦程式產品METHOD AND DEVICE FOR RECOGNIZING STUTTERED SPEECH AND COMPUTER PROGRAM PRODUCT

專利所屬機關 (申請機關)

國立屏東大學

獲證日期

2017/06/01

技術說明

本研究旨在將語音切割技術-端點偵測(End-Point Detection, EPD)與動態時軸校正(Dynamic Time Warping, DTW)方法應用在偵測口吃者言語不流暢特徵(多個音節重複音)App之研究。本技術包含一種口吃偵測方法與裝置，以及電腦程式產品。此方法包括：取得一聲音訊號，並將聲音訊號分為多個音節；根據第一變數與第二變數決定多個位置向量，其中每一個位置向量具有第一位置i與第二位置j；對於每一個位置向量，判斷第i個音節與第j個音節是否相似，以判斷位置向量是否符合相似條件；符合相似條件的位置向量的數目若大於一個相似數目臨界值，則判斷聲音訊號存在口吃現象。 This study aimed to establish APP for recognizing repetitions in stuttered speech by technology of sound segmentation and dynamic time warping (DTW) to identify similar patterns occurring in neighboring speech segments. A method and a device for recognizing a stuttered speech and a computer program product are provided. The method includes: obtaining an audio signal, and dividing the audio signal into syllables; determining multiple position vectors according to a first variable and a second variable, in which each position vector includes a first position i and a second position j; determining whether a ith syllable is similar to a jth syllable for each of the position vector in order to find out whether the position vector meet a similarity criterion. If the number of the position vectors fitting the similarity criterion is greater than a similarity number threshold, a stuttered occurrence exists in the audio signal.

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