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鼻輔音感知線(xiàn)索研究

發(fā)布時(shí)間:2018-10-24 20:27
【摘要】:語(yǔ)音識(shí)別系統(tǒng)的性能受許多因素的影響,如不同的說(shuō)話(huà)人、說(shuō)話(huà)方式、環(huán)境噪音等。為了提高系統(tǒng)的識(shí)別率和穩(wěn)定性,一種重要的解決方法是尋找更好的、高強(qiáng)健性的基于人耳聽(tīng)覺(jué)感知特性的感知線(xiàn)索;诖,三維深度研究方法(3DDS)被發(fā)明,用來(lái)探究語(yǔ)音信號(hào)在人耳內(nèi)部的感知線(xiàn)索,并已成功的運(yùn)用于對(duì)摩擦音和爆破音的感知線(xiàn)索識(shí)別。本文將這種方法拓展到鼻輔音的感知線(xiàn)索研究。在三個(gè)感知實(shí)驗(yàn)結(jié)果分析的基礎(chǔ)上,定義了冗余感知線(xiàn)索和次要感知線(xiàn)索,并找到了/m/的感知線(xiàn)索是大約位于363~1250 Hz的語(yǔ)音部分,/n/的感知線(xiàn)索是大約位于939~2826 Hz的語(yǔ)音部分。
[Abstract]:The performance of speech recognition systems is affected by many factors, such as different speakers, speech styles, environmental noise and so on. In order to improve the recognition rate and stability of the system, an important solution is to find better and more robust cues based on human auditory perception. Based on this, a 3D depth study method (3DDS) was developed to explore the perceptual cues of speech signals in the human ear, and has been successfully applied to recognize the perceptual cues of frictional and explosive sounds. This paper extends this method to the study of perceptual cues of nasal consonants. Based on the analysis of the results of three perceptual experiments, the redundant perceptual cues and the secondary perceptual cues are defined, and the / m / perceptual cues are found to be the phonetic part located at about 363n / 1250 Hz, and the / n/ perception cues are about 939 / 2826 Hz.
【作者單位】: 電子科技大學(xué)電子工程學(xué)院;伊利諾伊大學(xué)厄巴拿香檳分校電子計(jì)算機(jī)工程系;
【基金】:美國(guó)National Institute of Health(Grant No.R21-RDC009277A)
【分類(lèi)號(hào)】:TN912.34

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