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    • 10. 发明申请
    • APPARATUS AND METHOD FOR DETECTING AND CORRECTING A CORRUPTED BROADCAST TIME CODE
    • 检测和校正腐蚀性广播时间码的装置和方法
    • WO2003043331A1
    • 2003-05-22
    • PCT/US2002/035068
    • 2002-11-01
    • NIELSEN MEDIA RESEARCH, INC.NELSON, Daniel
    • NELSON, Daniel
    • H04N7/16
    • H04H60/56H04H60/37H04H60/40H04N21/25891H04N21/44222H04N21/4424H04N21/6582
    • An apparatus and method for processing audience measurement data detects (Fig. 2) and corrects one or more corrupted time codes. The corrupted time codes are identified by calculating a first set of intervals between a set of read times that may, but need not, be consecutive, each of which corresponds to one of the time codes extracted from a broadcast signal (30). The first set of intervals are compared to a second set of intervals between the time codes to identify when one or more of the second intervals do not meet a predetermined criteria. At least one of the time codes associated with each of the second intervals that do not meet the criteria is identified as being corrupted. The method used to calculate a corrected time code involves using the magnitude of the corresponding first interval to calculate the corrected time code.
    • 用于处理观众测量数据的装置和方法检测(图2)并校正一个或多个损坏的时间码。 损坏的时间码通过计算一组读取时间之间的间隔来识别,所述一组读取时间可以但不是连续的,每个读取时间对应于从广播信号(30)提取的时间码之一。 将第一组间隔与时间码之间的第二组间隔进行比较,以识别何时一个或多个第二间隔不满足预定标准。 与不符合标准的第二间隔中的每一个相关联的至少一个时间码被识别为被破坏。 用于计算校正时间码的方法涉及使用对应的第一间隔的幅度来计算校正的时间码。