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    • 2. 发明申请
    • VOICE REPRODUCTION APPARATUS AND VOICE REPRODUCTION METHOD
    • 语音再现设备和语音再现方法
    • US20120158403A1
    • 2012-06-21
    • US13409544
    • 2012-03-01
    • Taro TOGAWATakeshi OtaniKaori EndoYasuji Ota
    • Taro TOGAWATakeshi OtaniKaori EndoYasuji Ota
    • G10L19/14
    • G10L21/04
    • A voice reproduction apparatus includes an ambient sound analysis unit to analyze a characteristic of an ambient sound, a characteristic analysis unit to analyze an acoustic characteristic of a signal for reproduction, a reproduction timing adjusting unit to record the signal for reproduction and to read the signal for reproduction at a reproduction timing of follow-up reproduction, a reproduction speed changing unit to change a reproduction speed of the read signal for reproduction, and a control unit to control the reproduction timing adjusting unit so that the signal for reproduction is reproduced at the reproduction timing corresponding to an analysis result of the ambient sound analysis unit and to control the reproduction speed changing unit so that the signal for reproduction is reproduced at the reproduction speed corresponding to the analysis result of the ambient sound analysis unit and the acoustic characteristic obtained by the characteristic analysis unit.
    • 语音再现装置包括:环境声音分析单元,用于分析环境声音的特性;特征分析单元,分析用于再现的信号的声学特性;再现定时调整单元,用于记录用于再现的信号,并读取信号 用于在后续再现的再现定时中再现的再现速度改变单元,用于改变用于再现的读取信号的再现速度的再现速度改变单元,以及控制单元,用于控制再现定时调整单元,使得再现信号在 再现定时对应于环境声音分析单元的分析结果,并且控制再现速度改变单元,使得用于再现的信号以与环境声音分析单元的分析结果对应的再现速度再现,并且由 特征分析单元。
    • 5. 发明授权
    • Pitch conversion method and device for converting a pitch of an input signal into a desired pitch
    • 音调转换方法和用于将输入信号的音调转换成期望音调的装置
    • US07925500B2
    • 2011-04-12
    • US11802228
    • 2007-05-21
    • Kaori EndoChikako MatsumotoTaro TogawaYasuji Ota
    • Kaori EndoChikako MatsumotoTaro TogawaYasuji Ota
    • G10L11/04
    • G10L21/04G10L21/003
    • In a pitch conversion method and device which can reduce data throughput while suppressing a degradation of sound quality due to a pitch conversion as much as possible, an input signal pitch pattern per predetermined processing unit and a target pitch pattern are inputted, and a degradation degree indicating how a waveform of the input signal degrades upon pitch conversion from the input signal pitch pattern to the target pitch pattern is calculated. Alternatively, a degradation degree corresponding to a voice state and a phonemic type of the input signal is extracted from a database in which all of combinations of voice states and phonemic types estimated are associated with the degradation degrees to be recorded. Then, a pitch converter which performs a pitch conversion with small data throughput and a pitch converter which performs a pitch conversion with large data throughput are switched over depending on the degradation degree.
    • 在能够尽可能地抑制由音调变换引起的音质劣化的同时降低数据吞吐量的音调变换方法和装置中,输入每个预定处理单位的输入信号音调模式和目标音调模式,并且降低程度 指示当从输入信号音调模式到目标音调模式的音调转换时输入信号的波形如何劣化。 或者,从其中所估计的语音状态和音素类型的所有组合与要记录的劣化程度相关联的数据库中提取对应于输入信号的语音状态和音素类型的劣化度。 然后,根据劣化程度切换以小的数据吞吐量执行音调转换的音调转换器和执行具有大数据吞吐量的音调转换的音调转换器。
    • 6. 发明授权
    • Speech speed converting device and speech speed converting method
    • 语音速度转换装置和语音速度转换方法
    • US07664650B2
    • 2010-02-16
    • US11233192
    • 2005-09-22
    • Kaori EndoYasuji OtaTaro Togawa
    • Kaori EndoYasuji OtaTaro Togawa
    • G10L21/00G10L19/14
    • G10L21/04
    • The invention relates to speech speed conversion, and provides a speech speed converting device and a speech speed converting method for changing a speed of voice without degrading the voice quality, without changing characteristics, regarding a signal containing voice. The speech speed converting device includes: a voice classifying unit that is input with voice waveform data and a voice code based on a linear prediction, and that classifies the input signal based on the characteristic of the input signal; and a speed adjusting unit that selects either one of or both a speed conversion processing using the voice waveform and a speed conversion processing using the voice code, based on the classification, and that changes a speech speed of the input signal using the selected speed converting method.
    • 本发明涉及语音速度转换,并且提供了一种语音速度转换装置和语音速度转换方法,用于改变语音速度而不降低语音质量,而不改变包含语音的信号的特性。 语音速度转换装置包括:语音分类单元,其输入有语音波形数据和基于线性预测的语音代码,并且基于输入信号的特性对输入信号进行分类; 以及速度调节单元,其基于所述分类,使用所述语音波形和使用所述语音代码的速度转换处理来选择速度转换处理中的任一个或两者,并且使用所选择的速度转换来改变所述输入信号的语速 方法。
    • 7. 发明授权
    • Word or collocation emphasizing voice synthesizer
    • 词或搭配强调语音合成器
    • US07454345B2
    • 2008-11-18
    • US11063758
    • 2005-02-23
    • Hitoshi SasakiYasushi YamazakiYasuji OtaKaori EndoNobuyuki KataeKazuhiro Watanabe
    • Hitoshi SasakiYasushi YamazakiYasuji OtaKaori EndoNobuyuki KataeKazuhiro Watanabe
    • G10L13/00
    • G10L13/08G10L13/04G10L13/10
    • A voice synthesizer, which obtains a voice by emphasizing a specific part of a sentence, includes an emphasis degree deciding unit that extracts a word or a collocation to be emphasized from among respective words or respective collocations on the basis of an extracting reference with respect to the each word or the each collocation included in a sentence and deciding an emphasis degree of the extracted word or the extracted collocation, an acoustic processing unit that synthesizes a voice having an emphasis degree which is decided by the emphasis degree deciding unit applied to the word to be emphasized or the collocation to be emphasized, whereby the emphasized part of the word or the collocation can be obtained automatically on the basis of the extracting reference, such as a frequency of appearance and a level of importance of the word or the collocation.
    • 通过强调句子的特定部分来获取语音的语音合成器包括:强调度决定单元,其基于相对于所述语句的提取参考,从各个单词或各个搭配中提取要强调的单词或搭配 包括在句子中的每个单词或每个搭配,并且决定所提取的单词或所提取的搭配的强调程度;声学处理单元,其将由强调度决定单元决定的强调度的声音合成到该单词中 要强调的搭配,或者要强调的搭配,从而可以基于提取参考(例如出现的频率和单词的重要性或搭配的水平)自动获得单词或搭配的强调部分。
    • 8. 发明申请
    • Speech speed converting device and speech speed converting method
    • 语音速度转换装置和语音速度转换方法
    • US20060293883A1
    • 2006-12-28
    • US11233192
    • 2005-09-22
    • Kaori EndoYasuji OtaTaro Togawa
    • Kaori EndoYasuji OtaTaro Togawa
    • G10L19/04
    • G10L21/04
    • The invention relates to speech speed conversion, and provides a speech speed converting device and a speech speed converting method for changing a speed of voice without degrading the voice quality, without changing characteristics, regarding a signal containing voice. The speech speed converting device includes: a voice classifying unit that is input with voice waveform data and a voice code based on a linear prediction, and that classifies the input signal based on the characteristic of the input signal; and a speed adjusting unit that selects either one of or both a speed conversion processing using the voice waveform and a speed conversion processing using the voice code, based on the classification, and that changes a speech speed of the input signal using the selected speed converting method.
    • 本发明涉及语音速度转换,并且提供了一种语音速度转换装置和语音速度转换方法,用于改变语音速度而不降低语音质量,而不改变包含语音的信号的特性。 语音速度转换装置包括:语音分类单元,其输入有语音波形数据和基于线性预测的语音代码,并且基于输入信号的特性对输入信号进行分类; 以及速度调节单元,其基于所述分类,使用所述语音波形和使用所述语音代码的速度转换处理来选择速度转换处理中的任一个或两者,并且使用所选择的速度转换来改变所述输入信号的语速 方法。
    • 9. 发明授权
    • Voice communication apparatus
    • 语音通信装置
    • US08526578B2
    • 2013-09-03
    • US13435077
    • 2012-03-30
    • Takeshi OtaniTaro TogawaYasuji OtaKaori Endo
    • Takeshi OtaniTaro TogawaYasuji OtaKaori Endo
    • H04M1/64
    • H04M1/6016
    • A voice communication apparatus includes an analysis unit to analyze an outgoing conversation signal transmitted from a user of the voice communication apparatus to another party in communication or an incoming conversation signal from the another party in communication received by the voice communication apparatus, a storage unit to store a voice message to be played back, a mixing unit to perform mixing of the voice message with the incoming conversation signal, and a control unit to control a start timing of the mixing so that the mixing of the voice message with the incoming conversation signal is started between utterances of the user on the basis of an analysis result of the analysis unit.
    • 语音通信装置包括:分析单元,用于分析从语音通信装置的用户发送到通信中的另一方的传出对话信号或来自语音通信装置接收的通信中的另一方的来话对话信号;存储单元, 存储要播放的语音消息,混合单元,用于执行语音消息与传入对话信号的混合;以及控制单元,用于控制混合的开始定时,使得语音消息与传入对话信号的混合 基于分析单元的分析结果在用户的话语之间开始。
    • 10. 发明授权
    • Active noise control apparatus
    • 主动噪声控制装置
    • US08155333B2
    • 2012-04-10
    • US12360213
    • 2009-01-27
    • Taro TogawaTakeshi OtaniKaori EndoYasuji Ota
    • Taro TogawaTakeshi OtaniKaori EndoYasuji Ota
    • A61F11/06
    • G10K11/178G10K2210/1282G10K2210/3032
    • An active noise control apparatus that controls by a control sound a noise which is output from a noise source, includes: a control sound generating section which inputs a control signal, and produce the control sound; a residual noise detecting section which detects, as a residual noise signal, a noise remaining after the noise control by the control sound; a control signal generating section which inputs, as a reference signal, a signal concerning the noise or the generation state of the noise, and generates the control signal; and a controlling section which inputs the control signal and the residual noise signal, detects the components that cannot be identified in the control signal generating section, and controls the generation of the control signal in the control signal generating section.
    • 一种主动噪声控制装置,其通过控制声音控制从噪声源输出的噪声,包括:控制声音产生部,其输入控制信号,并产生控制声; 剩余噪声检测部分,通过控制声音检测噪声控制之后剩余的噪声作为残留噪声信号; 控制信号生成部,其输入与噪声或噪声的生成状态有关的信号作为参考信号,生成控制信号; 以及输入控制信号和残留噪声信号的控制部,检测在控制信号生成部中不能识别的成分,并控制控制信号生成部中的控制信号的生成。