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    • 1. 发明授权
    • Systems and methods for providing automated directory assistance using transcripts
    • 使用成绩单提供自动化目录帮助的系统和方法
    • US07401023B1
    • 2008-07-15
    • US09656264
    • 2000-09-06
    • Richard Mark SchwartzHan ShuJohn MakhoulLong Nguyen
    • Richard Mark SchwartzHan ShuJohn MakhoulLong Nguyen
    • G10L21/00H04M3/42
    • H04M3/4931H04M2201/40
    • An automated directory assistance (130) includes a training system (210) and a directory assistance system (220). The training system (210) trains and maintains the directory assistance system (220). The training system (210) includes a transcription module (310), a speech grammar estimation module (330), a listings statistics estimation module (340), and a required words determination module (350). The transcription module (310) obtains transcripts relating to directory service requests. The speech grammar estimation module (330) creates an n-gram grammar for multiple telephone numbers from the transcripts. The listings statistics estimation module (340) identifies words used to refer to each of the telephone numbers from the transcripts. The required words determination module (350) identifies at least one word that is required to request each of the telephone numbers from the transcripts. The directory assistance system (210) includes a speech recognition module (510), a listing retrieval module (520), and an accept/reject module (530). The speech recognition module (510) receives an audible request for a telephone number from a caller and generates a transcript from the audible request. The listing retrieval module (520) retrieves at least one listing corresponding to the audible request from a database using the transcript. The accept/reject module (530) determines whether to accept one or more of the listings retrieved by the listing retrieval module (520) and presents a telephone number corresponding to the accepted listing to the caller.
    • 自动目录辅助(130)包括训练系统(210)和目录辅助系统(220)。 训练系统(210)训练和维护目录辅助系统(220)。 训练系统(210)包括转录模块(310),语音语法估计模块(330),列表统计估计模块(340)和所需单词确定模块(350)。 转录模块(310)获得与目录服务请求有关的记录。 语音语法估计模块(330)从抄本中创建用于多个电话号码的n-gram语法。 列表统计估计模块(340)从抄本中识别用于引用每个电话号码的字。 所需字确定模块(350)识别从抄本中请求每个电话号码所需的至少一个字。 目录辅助系统(210)包括语音识别模块(510),列表检索模块(520)和接受/拒绝模块(530)。 语音识别模块(510)从呼叫者接收对电话号码的可听请求,并从可听请求中产生一个抄本。 列表检索模块(520)使用转录文件从数据库检索对应于可听请求的至少一个列表。 接受/拒绝模块(530)确定是否接受由列表检索模块(520)检索的一个或多个列表,并将对应于所接受的列表的电话号码呈现给呼叫者。
    • 3. 发明授权
    • System and methods for using transcripts to train an automated directory assistance service
    • 使用成绩单培训自动化目录援助服务的系统和方法
    • US07447636B1
    • 2008-11-04
    • US11129270
    • 2005-05-12
    • Richard Mark SchwartzHan ShuJohn MakhoulLong Nguyen
    • Richard Mark SchwartzHan ShuJohn MakhoulLong Nguyen
    • G10L11/00
    • G10L15/19G10L15/183
    • An automated directory assistance (130) includes a training system (210). and a directory assistance system (220). The training system (210) trains and maintains the directory assistance system (220). The training system (210) includes a transcription module (310), a speech grammar estimation module (330), a listings statistics estimation module (340), and a required words determination module (350). The transcription module (310) obtains transcripts relating to directory service requests. The speech grammar estimation module (330) creates an n-gram grammar for multiple telephone numbers from the transcripts. The listings statistics estimation module (340) identifies words used to refer to each of the telephone numbers from the transcripts. The required words determination module (350) identifies at least one word that is required to request each of the telephone numbers from the transcripts. The directory assistance system (210) includes a speech recognition module (510), a listing retrieval module (520), and an accept/reject module (530). The speech recognition module (510) receives an audible request for a telephone number from a caller and generates a transcript from the audible request. The listing retrieval module (520) retrieves at least one listing corresponding to the audible request from a database using the transcript. The accept/reject module (530) determines whether to accept one or more of the listings retrieved by the listing retrieval module (520) and presents a telephone number corresponding to the accepted listing to the caller.
    • 自动目录辅助(130)包括训练系统(210)。 和目录辅助系统(220)。 训练系统(210)训练和维护目录辅助系统(220)。 训练系统(210)包括转录模块(310),语音语法估计模块(330),列表统计估计模块(340)和所需单词确定模块(350)。 转录模块(310)获得与目录服务请求有关的记录。 语音语法估计模块(330)从抄本中创建用于多个电话号码的n-gram语法。 列表统计估计模块(340)从抄本中识别用于引用每个电话号码的字。 所需字确定模块(350)识别从抄本中请求每个电话号码所需的至少一个字。 目录辅助系统(210)包括语音识别模块(510),列表检索模块(520)和接受/拒绝模块(530)。 语音识别模块(510)从呼叫者接收对电话号码的可听请求,并从可听请求中产生一个抄本。 列表检索模块(520)使用转录文件从数据库检索对应于可听请求的至少一个列表。 接受/拒绝模块(530)确定是否接受由列表检索模块(520)检索的一个或多个列表,并将对应于所接受的列表的电话号码呈现给呼叫者。