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- W2020339951 abstract "The purpose of this study is to develop a tool to assist speech therapy and rehabilitation, which focused on automatic scoring based on the comparison of the patient’s speech with another normal speech on several aspects including pitch, vowel, voiced–unvoiced segments, strident fricative and sound intensity. The pitch estimation employed the use of cepstrum-based algorithm for its robustness; the vowel classification used multilayer perceptron (MLP) to classify vowel from pitch and formants; and the strident fricative detection was based on the major peak spectral intensity, location and the pitch existence in the segment. In order to evaluate the performance of the system, this study analyzed eight patient’s speech recordings (four males, four females; 4–58-years-old), which had been recorded in previous study in cooperation with Taipei Veterans General Hospital and Taoyuan General Hospital. The experiment result on pitch algorithm showed that the cepstrum method had 5.3% of gross pitch error from a total of 2086 frames. On the vowel classification algorithm, MLP method provided 93% accuracy (men), 87% (women) and 84% (children). In total, the overall results showed that 156 tool’s grading results (81%) were consistent compared to 192 audio and visual observations done by four experienced respondents." @default.
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- W2020339951 date "2015-04-07" @default.
- W2020339951 modified "2023-10-05" @default.
- W2020339951 title "An acoustic feature-based similarity scoring system for speech rehabilitation assistance" @default.
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- W2020339951 doi "https://doi.org/10.3109/17483107.2015.1027297" @default.
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