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    • 63. 发明授权
    • Method of recognizing pre-recorded announcements
    • 识别预录通知的方法
    • US5825855A
    • 1998-10-20
    • US790200
    • 1997-01-30
    • Shaun Astarabadi
    • Shaun Astarabadi
    • G10L11/06G10L15/04H04M1/64H04M1/65H04M3/533
    • H04M1/645G10L15/04H04M1/6505H04M3/533G10L25/93H04M2201/40
    • A method of recognizing correspondence between a pre-recorded sample announcement and the identical pre-recorded reference announcement is shown. The reference pre-recorded sample announcement is characterized in terms of: (1) Start of speech (SP) where the transition from silence to voicing occurs, (2) average frame power (AFP) for each power frame length of a voicing segment of speech (3) silence gap length (SGL), the duration of non-voicing between two consecutive voicing segments and (4) end of speech (EOS). The sample pre-recorded announcement is also characterized in terms of SP, AFP, SGL, and EOS. The SP, AFPs, SGLs, and EOS of the reference pre-recorded announcement is compared with that of the sample pre-recorded announcement to determine if a match exists.
    • 示出了在预先记录的采样通知和相同的预先记录的参考通知之间识别对应关系的方法。 参考预录样本公告的特征在于:(1)从静音到发音的转变发生的起始语音(SP),(2)每个功率帧长度的平均帧功率(AFP) 语音(3)静音间隙长度(SGL),两个连续语音段之间的非发音持续时间和(4)结尾语音(EOS)。 样本预录公告也以SP,AFP,SGL和EOS为特征。 将参考预录公告的SP,AFP,SGL和EOS与预先记录的样本公告的SP,AFP,SGL和EOS进行比较,以确定是否存在匹配。