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    • 2. 发明授权
    • Method and apparatus for pattern recognition utilizing gaussian
distribution functions
    • 利用高斯分布函数进行模式识别的方法和装置
    • US5991442A
    • 1999-11-23
    • US640475
    • 1996-05-01
    • Masayuki YamadaYasuhiro Komori
    • Masayuki YamadaYasuhiro Komori
    • G06T7/00G06K9/62G10L15/10G06K9/68
    • G06K9/6217G10L15/10G10L15/142
    • The present invention provides a method and apparatus for performing pattern recognition on given information such as speech data or image data with a reduced amount of calculations of the degree of matching associated with reference patterns. The method and apparatus provides a high speed operation without an increase in the amount of calculations of the degree of matching even when there are a great number of reference patterns. In this invention, the process of calculating the degree of matching includes: a scalar quantization step in which the value of each dimension of an input feature vector is scalar-quantized; a table look-up step in which a table is subjected to a look-up operation on the basis of the quantized value obtained in the scalar quantization step so as to obtain an output value of a reference pattern function for each dimension; and a cumulative matching degree calculation step in which the output value of the reference pattern function obtained in the table loop-up step is accumulated for all dimensions, and the resultant cumulative value is finally employed as the degree of matching between the reference pattern and the input feature vector.
    • 本发明提供了一种用于对诸如语音数据或图像数据的给定信息进行模式识别的方法和装置,其具有与参考图案相关联的匹配度的计算量的减少。 该方法和装置即使在存在大量参考图形时也提供高速运算,而不增加匹配度的计算量。 在本发明中,计算匹配程度的过程包括:标量量化步骤,其中对输入特征向量的每个维度的值进行标量化; 一种表查找步骤,其中基于在标量量化步骤中获得的量化值对表进行查找操作,以获得每个维度的参考图案函数的输出值; 以及累积匹配度计算步骤,其中在所有维度上累积在表循环步骤中获得的参考图形功能的输出值,并且最终将所得累积值作为参考图案与 输入特征向量。
    • 5. 发明授权
    • Speech synthesizing method and apparatus for altering amplitudes of voiced and invoiced portions
    • 语音合成方法和装置,用于改变浊音和发票部分的振幅
    • US07162417B2
    • 2007-01-09
    • US11181462
    • 2005-07-13
    • Masayuki YamadaYasuhiro KomoriMitsuru Otsuka
    • Masayuki YamadaYasuhiro KomoriMitsuru Otsuka
    • G10L11/06G10L13/02
    • G10L13/07G10L25/21
    • An amplitude altering magnification (r) applied to sub-phoneme units of a voiced portion and an amplitude altering magnification s to be applied to sub-phoneme units of an unvoiced portion are determined based upon a target phoneme average power (p0) of synthesized speech and power (p) of a selected phoneme unit. Sub-phoneme units are extracted from a phoneme to be synthesized. From among the extracted sub-phoneme units, a sub-phoneme unit of the voiced portion is multiplied by the amplitude altering magnification (r), and a sub-phoneme unit of the unvoiced portion is multiplied by the amplitude altering magnification (s). Synthesized speech is obtained using the sub-phoneme units thus obtained. This makes it possible to realize power control in which any decline in the quality of synthesized speech is reduced.
    • 基于目标音素平均功率(p 0),确定应用于有声部分的子音素单位的振幅变化倍率(r)和施加到清音部分的子音素单位的振幅变化倍率s 所选择的音素单元的合成语音和功率(p)。 从要合成的音素中提取子音素单元。 从所提取的子音素单元中,将有声部分的子音素单位乘以振幅变化倍率(r),并将无声部分的子音素单位乘以振幅变化倍数(s)。 使用由此获得的子音素单元获得合成语音。 这使得可以实现其中合成语音质量的任何下降降低的功率控制。
    • 6. 发明申请
    • Speech synthesizing method and apparatus
    • 语音合成方法及装置
    • US20050251392A1
    • 2005-11-10
    • US11181462
    • 2005-07-13
    • Masayuki YamadaYasuhiro KomoriMitsuru Otsuka
    • Masayuki YamadaYasuhiro KomoriMitsuru Otsuka
    • G06F3/16G10L13/06G10L13/08G10L13/00
    • G10L13/07G10L25/21
    • An amplitude altering magnification (r) applied to sub-phoneme units of a voiced portion and an amplitude altering magnification s to be applied to sub-phoneme units of an unvoiced portion are determined based upon a target phoneme average power (p0) of synthesized speech and power (p) of a selected phoneme unit. Sub-phoneme units are extracted from a phoneme to be synthesized. From among the extracted sub-phoneme units, a sub-phoneme unit of the voiced portion is multiplied by the amplitude altering magnification (r), and a sub-phoneme unit of the unvoiced portion is multiplied by the amplitude altering magnification (s). Synthesized speech is obtained using the sub-phoneme units thus obtained. This makes it possible to realize power control in which any decline in the quality of synthesized speech is reduced.
    • 基于目标音素平均功率(p 0),确定应用于有声部分的子音素单位的振幅变化倍率(r)和施加到清音部分的子音素单位的振幅变化倍率s 所选择的音素单元的合成语音和功率(p)。 从要合成的音素中提取子音素单元。 从所提取的子音素单元中,将有声部分的子音素单位乘以振幅变化倍率(r),并将无声部分的子音素单位乘以振幅变化倍数(s)。 使用由此获得的子音素单元获得合成语音。 这使得可以实现其中合成语音质量的任何下降降低的功率控制。