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    21.
    发明专利
    未知

    公开(公告)号：DE69523396T2

    公开(公告)日：2002-07-11

    申请号：DE69523396

    申请日：1995-08-22

    Applicant: SONY CORP

    Inventor： SUGIYAMA KOICHI ,  SHIMA HISATO ,  KAWAMURA HARUMI

    IPC: G11B15/02 ,  G11B27/00 ,  G11B27/02 ,  H04N5/765 ,  G11B27/031 ,  G11B27/032 ,  G11B27/28 ,  H04L12/40 ,  H04L12/64 ,  H04N5/00 ,  H04N5/91 ,  H04B1/20 ,  G11B27/10

    Abstract: An editing method in a system of connecting a plurality of equipments by a communication control bus in which isochronous communication and asynchronous communication can be present together and conducting communication between each of the equipments, in which an edition controlling equipment controls a plurality of equipments to be controlled thereby editing isochronous communication data to a recording equipment as one of said equipments to be controlled, said method comprising the following steps of: asking to the equipment to be controlled a first delay time from the instance a predetermined command is received by the equipment to be controlled to the instance the processing corresponding to the command is executed by asynchronous communication, asking to the equipment to be controlled a second delay time of a time code obtained by asynchronous communication from a time code in isochronous communication data by asynchronous communication, asking the time code by the isochronous communication to the equipment to be controlled, and obtaining a boundary position information in the unit section of the isochronous communication from the isochronous communication data, or asking to the equipment to be controlled a third time information from the top position of the unit section of the isochronous communication by the asynchronous communication, and sending a predetermined command at a predetermined timing by the asynchronous communication, based on the first and the second delay times, and the boundary position information or the third time information. There is therefore provided a method of editing isochronous communication data and an edition controlling equipment, wherein edition at a high accuracy can be conducted without reading the system data of isochronous communication in a system in which isochronous communication and asynchronous communication can be present together; edition can be conducted at a high accuracy also in a system in which the edition controlling equipment cannot recognize the boundary in the information signals; and even if there are various delay times from reception till execution of an instruction in the equipment to be controlled, edition can be conducted at a high accuracy.

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