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1. 发明授权

US08762151B2 Speech recognition for premature enunciation 有权
标题翻译：语音识别过早发音
公开(公告)号：US08762151B2
公开(公告)日：2014-06-24
申请号：US13161872
申请日：2011-06-16
申请人： John J. Correia , Gaurav Talwar , Xufang Zhao , Rathinavelu Chengalvarayan
发明人： John J. Correia , Gaurav Talwar , Xufang Zhao , Rathinavelu Chengalvarayan
IPC分类号： G10L15/04
CPC分类号： G10L15/04 , G10L15/22 , G10L25/78
摘要： Methods of automatic speech recognition for premature enunciation. In one method, a) a user is prompted to input speech, then b) a listening period is initiated to monitor audio via a microphone, such that there is no pause between the end of step a) and the beginning of step b), and then the begin-speaking audible indicator is communicated to the user during the listening period. In another method, a) at least one audio file is played including both a prompt for a user to input speech and a begin-speaking audible indicator to the user, b) a microphone is activated to monitor audio, after playing the prompt but before playing the begin-speaking audible indicator in step a), and c) speech is received from the user via the microphone.
摘要翻译：自动语音识别方法用于过早发音。在一种方法中，a）提示用户输入语音，然后b）启动听觉周期以经由麦克风监视音频，使得步骤a）的结束与步骤b）的开始之间没有暂停，然后在聆听期间将开头的声音指示符传送给用户。在另一种方法中，a）播放至少一个音频文件，包括用户向用户输入语音的提示和开始说话的声音指示符，b）在播放提示之后但是之前激活麦克风来监视音频在步骤a）中播放开头的声音指示符，以及c）通过麦克风从用户接收到语音。

2. 发明申请

US20130211832A1 SPEECH SIGNAL PROCESSING RESPONSIVE TO LOW NOISE LEVELS 审中-公开
标题翻译：语音信号处理响应低噪声水平
公开(公告)号：US20130211832A1
公开(公告)日：2013-08-15
申请号：US13370066
申请日：2012-02-09
申请人： Gaurav Talwar , Robert D. Sims
发明人： Gaurav Talwar , Robert D. Sims
IPC分类号： G10L15/20
CPC分类号： G10L15/20
摘要： A method of speech recognition in a vehicle. Audio including noise and a speech signal representative of an utterance from a user is received via a microphone, and a signal-to-noise ratio (SNR) for the received audio is calculated using a processor. It is determined whether the calculated SNR is greater than a predetermined SNR. If so, then a noise distribution is identified for addition to the received audio, and noise corresponding to the identified noise distribution is injected into the received audio to produce noise-injected audio including the speech signal.
摘要翻译：车辆中的语音识别方法。通过麦克风接收包括表示来自用户的话语的噪声和语音信号的音频，并且使用处理器来计算所接收的音频的信噪比（SNR）。确定所计算的SNR是否大于预定SNR。如果是这样，则识别出噪声分布用于添加到所接收的音频，并且将与所识别的噪声分布相对应的噪声注入到所接收的音频中，以产生包括语音信号的噪声注入的音频。

3. 发明申请

US20120150541A1 MALE ACOUSTIC MODEL ADAPTATION BASED ON LANGUAGE-INDEPENDENT FEMALE SPEECH DATA 有权
标题翻译：基于语言独立的女性语音数据的男性声学模型适应
公开(公告)号：US20120150541A1
公开(公告)日：2012-06-14
申请号：US12965508
申请日：2010-12-10
申请人： Gaurav Talwar , Rathinavelu Chengalvarayan
发明人： Gaurav Talwar , Rathinavelu Chengalvarayan
IPC分类号： G10L15/04
CPC分类号： G10L15/065
摘要： A method of generating proxy acoustic models for use in automatic speech recognition includes training acoustic models from speech received via microphone from male speakers of a first language, and adapting the acoustic models in response to language-independent speech data from female speakers of a second language, to generate proxy acoustic models for use during runtime of speech recognition of an utterance from a female speaker of the first language.
摘要翻译：一种用于生成用于自动语音识别的代理声学模型的方法包括：从通过来自第一语言的男性扬声器的麦克风接收的语音训练声学模型，以及响应于来自第二语言的女性说话者的与语言无关的语音数据来适应声学模型，以产生在来自第一语言的女性说话者的话语的语音识别的运行期间使用的代理声学模型。

4. 发明授权

US09570066B2 Sender-responsive text-to-speech processing 有权
标题翻译：发送者响应文本到语音处理
公开(公告)号：US09570066B2
公开(公告)日：2017-02-14
申请号：US13550009
申请日：2012-07-16
申请人： Gaurav Talwar , Xufang Zhao , Ron M. Hecht
发明人： Gaurav Talwar , Xufang Zhao , Ron M. Hecht
IPC分类号： G10L13/08 , G10L13/033
CPC分类号： G10L13/08 , G10L13/033
摘要： A method of speech synthesis including receiving a text input sent by a sender, processing the text input responsive to at least one distinguishing characteristic of the sender to produce synthesized speech that is representative of a voice of the sender, and communicating the synthesized speech to a recipient user of the system.
摘要翻译：一种语音合成方法，包括接收由发送者发送的文本输入，响应于发送者的至少一个区别特征处理文本输入以产生代表发送者的语音的合成语音，以及将合成语音传送到系统的收件人用户。

5. 发明授权

US09564120B2 Speech adaptation in speech synthesis 有权
标题翻译：语音合成中的语音适应
公开(公告)号：US09564120B2
公开(公告)日：2017-02-07
申请号：US12780402
申请日：2010-05-14
申请人： Jeffrey M. Stefan , Gaurav Talwar , Rathinavelu Chengalvarayan
发明人： Jeffrey M. Stefan , Gaurav Talwar , Rathinavelu Chengalvarayan
IPC分类号： G10L13/00 , G10L13/033 , G10L21/013
CPC分类号： G10L13/033 , G10L2021/0135
摘要： A method of and system for speech synthesis. First and second text inputs are received in a text-to-speech system, and processed into respective first and second speech outputs corresponding to stored speech respectively from first and second speakers using a processor of the system. The second speech output of the second speaker is adapted to sound like the first speech output of the first speaker.
摘要翻译：一种用于语音合成的方法和系统。在文本到语音系统中接收第一和第二文本输入，并且使用系统的处理器分别处理分别对应于来自第一和第二扬声器的存储语音的相应的第一和第二语音输出。第二扬声器的第二语音输出适于听起来像第一扬声器的第一语音输出。

6. 发明授权

US09082414B2 Correcting unintelligible synthesized speech 有权
标题翻译：纠正无法理解的合成语音
公开(公告)号：US09082414B2
公开(公告)日：2015-07-14
申请号：US13246131
申请日：2011-09-27
申请人： Gaurav Talwar , Rathinavelu Chengalvarayan
发明人： Gaurav Talwar , Rathinavelu Chengalvarayan
IPC分类号： G10L13/00 , G10L13/08 , G10L15/22 , G10L25/69 , G10L13/033
CPC分类号： G10L25/69 , G10L13/033
摘要： A method and system of speech synthesis. A text input is received in a text-to-speech system and, using a processor of the system, the text input is processed into synthesized speech which is established as unintelligible. The text input is reprocessed into subsequent synthesized speech and output to a user via a loudspeaker to correct the unintelligible synthesized speech. In one embodiment, the synthesized speech can be established as unintelligible by predicting intelligibility of the synthesized speech, and determining that the predicted intelligibility is lower than a minimum threshold. In another embodiment, the synthesized speech can be established as unintelligible by outputting the synthesized speech to the user via the loudspeaker, and receiving an indication from the user that the synthesized speech is not intelligible.
摘要翻译：语音合成的方法和系统。在文本到语音系统中接收文本输入，并且使用系统的处理器将文本输入处理成合成语音，其被建立为不可理解。文本输入被重新处理成后续合成语音，并通过扬声器输出给用户以校正无法理解的合成语音。在一个实施例中，通过预测合成语音的可懂度，并且确定预测的可懂度低于最小阈值，可以将合成语音建立为难以理解。在另一个实施例中，通过经由扬声器向用户输出合成语音，并且从用户接收到合成语音不可理解的指示，可以将合成语音建立为不可理解。

7. 发明授权

US08756062B2 Male acoustic model adaptation based on language-independent female speech data 有权
标题翻译：基于语言无关的女性语音数据的男性声学模型适应
公开(公告)号：US08756062B2
公开(公告)日：2014-06-17
申请号：US12965508
申请日：2010-12-10
申请人： Gaurav Talwar , Rathinavelu Chengalvarayan
发明人： Gaurav Talwar , Rathinavelu Chengalvarayan
IPC分类号： G10L15/00 , G10L15/06 , G10L15/14
CPC分类号： G10L15/065
摘要： A method of generating proxy acoustic models for use in automatic speech recognition includes training acoustic models from speech received via microphone from male speakers of a first language, and adapting the acoustic models in response to language-independent speech data from female speakers of a second language, to generate proxy acoustic models for use during runtime of speech recognition of an utterance from a female speaker of the first language.
摘要翻译：一种用于生成用于自动语音识别的代理声学模型的方法包括：从通过来自第一语言的男性扬声器的麦克风接收的语音训练声学模型，以及响应于来自第二语言的女性说话者的与语言无关的语音数据来适应声学模型，以产生在来自第一语言的女性说话者的话语的语音识别的运行期间使用的代理声学模型。

8. 发明授权

US08639508B2 User-specific confidence thresholds for speech recognition 有权
标题翻译：用户特定的语音识别置信阈值
公开(公告)号：US08639508B2
公开(公告)日：2014-01-28
申请号：US13026670
申请日：2011-02-14
申请人： Xufang Zhao , Gaurav Talwar
发明人： Xufang Zhao , Gaurav Talwar
IPC分类号： G10L17/00
CPC分类号： G10L15/08 , G10L17/00
摘要： A method of automatic speech recognition includes receiving an utterance from a user via a microphone that converts the utterance into a speech signal, pre-processing the speech signal using a processor to extract acoustic data from the received speech signal, and identifying at least one user-specific characteristic in response to the extracted acoustic data. The method also includes determining a user-specific confidence threshold responsive to the at least one user-specific characteristic, and using the user-specific confidence threshold to recognize the utterance received from the user and/or to assess confusability of the utterance with stored vocabulary.
摘要翻译：自动语音识别的方法包括：经由麦克风接收来自用户的话语，该麦克风将话语转换成语音信号，使用处理器预处理语音信号，以从接收到的语音信号中提取声学数据，以及识别至少一个用户响应于提取的声学数据的特定特性。所述方法还包括响应于所述至少一个用户特定特征来确定用户特定的置信度阈值，并且使用所述用户特定置信阈值来识别从所述用户接收的话语和/或评估所述话语与所存储的词汇的混淆性。

9. 发明授权

US08560313B2 Transient noise rejection for speech recognition 有权
标题翻译：用于语音识别的瞬态噪声抑制
公开(公告)号：US08560313B2
公开(公告)日：2013-10-15
申请号：US12779653
申请日：2010-05-13
申请人： Gaurav Talwar , Rathinavelu Chengalvarayan
发明人： Gaurav Talwar , Rathinavelu Chengalvarayan
IPC分类号： G10L15/20
CPC分类号： G10L15/20 , G10L21/0208
摘要： A method of and system for transient noise rejection for improved speech recognition. The method comprises the steps of (a) receiving audio including user speech and at least some transient noise associated with the speech, (b) converting the received audio into digital data, (c) segmenting the digital data into acoustic frames, and (d) extracting acoustic feature vectors from the acoustic frames. The method also comprises the steps of (e) evaluating the acoustic frames for transient noise on a frame-by-frame basis, (f) rejecting those acoustic frames having transient noise, (g) accepting as speech frames those acoustic frames having no transient noise and, thereafter, (h) recognizing the user speech using the speech frames.
摘要翻译：用于改进语音识别的瞬态噪声抑制的方法和系统。该方法包括以下步骤：（a）接收包括用户语音和至少一些与语音相关的瞬态噪声的音频，（b）将所接收的音频转换成数字数据，（c）将数字数据分割成声音帧，和）从声学帧提取声学特征向量。该方法还包括以下步骤：（e）逐帧评估用于瞬态噪声的声学帧;（f）拒绝具有瞬态噪声的声音帧，（g）接受作为语音帧的那些没有瞬态的声音帧然后（h）使用语音帧识别用户语音。

10. 发明申请

US20120245934A1 SPEECH RECOGNITION DEPENDENT ON TEXT MESSAGE CONTENT 有权
标题翻译：语音识别依赖于文字信息内容
公开(公告)号：US20120245934A1
公开(公告)日：2012-09-27
申请号：US13072003
申请日：2011-03-25
申请人： Gaurav Talwar , Xufang Zhao
发明人： Gaurav Talwar , Xufang Zhao
IPC分类号： G10L15/26 , G10L15/04
CPC分类号： G10L15/22 , G10L15/30 , G10L2015/227 , G10L2015/228
摘要： A method of automatic speech recognition. An utterance is received from a user in reply to a text message, via a microphone that converts the reply utterance into a speech signal. The speech signal is processed using at least one processor to extract acoustic data from the speech signal. An acoustic model is identified from a plurality of acoustic models to decode the acoustic data, and using a conversational context associated with the text message. The acoustic data is decoded using the identified acoustic model to produce a plurality of hypotheses for the reply utterance.
摘要翻译：一种自动语音识别的方法。通过经由将回复话语转换成语音信号的麦克风，从用户接收到一个回复文本消息的话语。使用至少一个处理器来处理语音信号以从语音信号中提取声学数据。从多个声学模型识别声学模型以对声学数据进行解码，以及使用与文本消息相关联的对话上下文。使用所识别的声学模型对声学数据进行解码，以产生用于回复语音的多个假设。

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