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    • 7. 发明授权
    • Speech data compression/expansion apparatus and method
    • 语音数据压缩/扩展装置及方法
    • US06928408B1
    • 2005-08-09
    • US09722522
    • 2000-11-28
    • Chikako Matsumoto
    • Chikako Matsumoto
    • G10L19/00G10L13/06G10L15/04
    • G10L13/06
    • Speech data containing waveform data is extracted from an existing speech waveform dictionary and input. A part used for speech synthesis in the waveform data is specified, and a starting point and an ending point for compression are set before and after the part. The waveform data is compressed with respect to a compression interval specified by the starting point and the ending point for compression. The compressed waveform data is expanded, and the compression interval, in which an expansion result of the compressed waveform data has highest quality, is determined as a compression/expansion position. The compressed waveform data, and the starting point and the ending point for compression are registered in a database as waveform data used for speech synthesis.
    • 从现有的语音波形词典中提取包含波形数据的语音数据并进行输入。 指定用于波形数据中的语音合成的部分,并且在部件之前和之后设置用于压缩的起始点和终止点。 波形数据相对于由起始点和终止点指定的压缩间隔进行压缩。 压缩波形数据被扩展,压缩波形数据的扩展结果具有最高质量的压缩间隔被确定为压缩/扩展位置。 压缩波形数据以及用于压缩的起始点和终止点作为用于语音合成的波形数据登记在数据库中。
    • 10. 发明授权
    • Erroneous detection determination device, erroneous detection determination method, and storage medium storing erroneous detection determination program
    • 错误检测确定装置,错误检测确定方法和存储错误检测确定程序的存储介质
    • US08775173B2
    • 2014-07-08
    • US13406935
    • 2012-02-28
    • Chikako Matsumoto
    • Chikako Matsumoto
    • G10L15/00G10L25/84
    • G10L25/84G10L15/20
    • An erroneous detection determination device includes: a signal acquisition unit configured to acquire, from each of microphones, a plurality of audio signals relating to ambient sound including sound from a sound source in a certain direction; a result acquisition unit configured to acquire a recognition result including voice activity information indicating the inclusion of a voice activity relating to at least one of the audio signals; a calculation unit configured to calculate, for each of audio signals on the basis of the signals in respective unit times and the certain direction, a speech arrival rate representing the proportion of the sound from the certain direction to the ambient sound in each of the unit times; and an error detection unit configured to determine, on the basis of the recognition result and the speech arrival rate, whether or not the voice activity information is the result of erroneous detection.
    • 错误检测确定装置包括:信号获取单元,被配置为从麦克风中获取与包括来自声源的特定方向的声音相关的环境声音的多个音频信号; 结果获取单元,被配置为获取包括指示包括与所述音频信号中的至少一个相关的语音活动的语音活动信息的识别结果; 计算单元,被配置为基于各单位时间和特定方向上的信号,针对每个音频信号计算表示每个单位中的从一定方向到环境声音的比例的语音到达速率 次 以及错误检测单元,被配置为基于识别结果和语音到达速率来确定语音活动信息是否是错误检测的结果。