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    • 85. 发明授权
    • Speech-duration detector and computer program product therefor
    • 语音持续时间检测器及其计算机程序产品
    • US08099277B2
    • 2012-01-17
    • US11725566
    • 2007-03-20
    • Koichi YamamotoAkinori Kawamura
    • Koichi YamamotoAkinori Kawamura
    • G10L15/00G10L21/00G10L19/00
    • G10L25/87
    • A speech-duration detector includes a starting-end detecting unit that detects a starting end of a first duration where the characteristic exceeds a threshold value as a starting end of a speech-duration, when the first duration continues for a first time length; a trailing-end-candidate detecting unit that detects a starting end of a second duration where the characteristic is lower than the threshold value as a candidate point for a trailing end of speech, when the second duration continues for a second time length; and a trailing-end-candidate determining unit that determines the candidate point as a trailing end of the speech-duration, when the second duration where the characteristic exceeds the threshold value does not continue for the first time length while a third time length elapses from measurement at the candidate point.
    • 语音持续时间检测器包括起始端检测单元,当第一持续时间持续第一时间长度时,检测其中特征超过阈值的第一持续时间的开始结束作为语音持续时间的开始结束; 尾部候选检测单元,当所述第二持续时间持续第二时间长度时,检测所述特征低于所述阈值的第二持续时间的开始结束作为用于尾随语音的候选点; 以及当所述特征超过所述阈值的所述第二持续时间不持续所述第一时间长度而从所述第一时间长度经过第三时间长度时,将所述候选点确定为所述语音持续时间的尾部的尾随候选者确定单元 在候选点测量。
    • 86. 发明申请
    • PLAYBACK APPARATUS AND METHOD
    • 播放装置和方法
    • US20090047003A1
    • 2009-02-19
    • US12046693
    • 2008-03-12
    • Koichi Yamamoto
    • Koichi Yamamoto
    • H04N5/00
    • G11B27/005
    • A playback apparatus used for an audio database includes a first acquisition unit configured to acquire first position information and second position information, an estimation unit configured to estimate a required period from a first position to a second position based on the first position information and the second position information, a second acquisition unit configured to acquire a data length of an audio signal to be played back from the audio database, a determination unit configured to determine a playback speed required to play back the audio signal based on the required period and the data length to complete playback of the audio signal within the required period, and a playback unit configured to play back the audio signal according to the playback speed.
    • 用于音频数据库的重放装置包括:第一获取单元,被配置为获取第一位置信息和第二位置信息;估计单元,被配置为基于第一位置信息估计从第一位置到第二位置的所需期间, 位置信息,第二获取单元,被配置为从音频数据库获取要重放的音频信号的数据长度;确定单元,被配置为基于所需的周期确定播放音频信号所需的播放速度和数据 长度以在所需时间内完成音频信号的重放;以及重放单元,被配置为根据播放速度来播放音频信号。