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    • 47. 发明申请
    • SYSTEM AND METHOD FOR GENERATING CHALLENGE UTTERANCES FOR SPEAKER VERIFICATION
    • 用于产生扬声器验证的挑战性的系统和方法
    • US20160203821A1
    • 2016-07-14
    • US15075333
    • 2016-03-21
    • AT&T INTELLECTUAL PROPERTY I, LP
    • ILIJA ZELJKOVICTANIYA MISHRAAMANDA STENTANN K. SYRDALJAY WILPON
    • G10L17/24G10L17/04G10L15/02
    • G10L17/24G10L15/02G10L15/08G10L17/00G10L17/04G10L17/26G10L2015/025
    • Disclosed herein are systems, methods, and non-transitory computer-readable storage media relating to speaker verification. In one aspect, a system receives a first user identity from a second user, and, based on the identity, accesses voice characteristics. The system randomly generates a challenge sentence according to a rule and/or grammar, based on the voice characteristics, and prompts the second user to speak the challenge sentence. The system verifies that the second user is the first user if the spoken challenge sentence matches the voice characteristics. In an enrollment aspect, the system constructs an enrollment phrase that covers a minimum threshold of unique speech sounds based on speaker-distinctive phonemes, phoneme clusters, and prosody. Then user utters the enrollment phrase and extracts voice characteristics for the user from the uttered enrollment phrase. The system generates a user profile, based on the voice characteristics, for generating random challenge sentences according to a grammar.
    • 本文公开了与说话者验证有关的系统,方法和非暂时的计算机可读存储介质。 在一个方面,系统从第二用户接收第一用户身份,并且基于身份访问语音特征。 该系统根据语音特征根据规则和/或语法随机生成挑战句,并提示第二用户说出挑战句。 系统验证第二用户是否是第一个用户,如果口头的挑战句子与语音特征相匹配。 在注册方面,系统构建了一个基于扬声器独特音素,音素集群和韵律,覆盖独特语音的最小阈值的注册短语。 然后用户发出注册短语,并从发出的注册短语中提取用户的语音特征。 该系统基于语音特征生成用户简档,用于根据语法产生随机挑战语句。
    • 49. 发明授权
    • Real-time emotion tracking system
    • 实时情感跟踪系统
    • US09355650B2
    • 2016-05-31
    • US14703107
    • 2015-05-04
    • AT&T INTELLECTUAL PROPERTY I, L.P.
    • Dimitrios DimitriadisMazin E. GilbertTaniya MishraHorst J. Schroeter
    • G10L21/00G10L25/00G10L15/00G10L25/48
    • G10L25/63G10L17/04G10L17/26G10L25/48
    • Devices, systems, methods, media, and programs for detecting an emotional state change in an audio signal are provided. A plurality of segments of the audio signal is received, with the plurality of segments being sequential. Each segment of the plurality of segments is analyzed, and, for each segment, an emotional state and a confidence score of the emotional state are determined. The emotional state and the confidence score of each segment are sequentially analyzed, and a current emotional state of the audio signal is tracked throughout each of the plurality of segments. For each segment, it is determined whether the current emotional state of the audio signal changes to another emotional state based on the emotional state and the confidence score of the segment.
    • 提供了用于检测音频信号中的情绪状态改变的设备,系统,方法,媒体和程序。 接收音频信号的多个段,其中多个段是顺序的。 分析多个片段中的每个片段,并且针对每个片段,确定情感状态的情绪状态和置信评分。 顺序地分析每个片段的情绪状态和置信度得分,并且在多个片段中的每一个片段跟踪音频信号的当前情绪状态。 对于每个片段,基于片段的情绪状态和置信度分数确定音频信号的当前情绪状态是否改变到另一情感状态。