TRANSCODER AND METHOD FOR USE IN A COMMUNICATION SYSTEM
    1.
    发明申请
    TRANSCODER AND METHOD FOR USE IN A COMMUNICATION SYSTEM 审中-公开
    在通信系统中使用的TRANSCODER和方法

    公开(公告)号:WO1996018244A1

    公开(公告)日:1996-06-13

    申请号:PCT/US1995013556

    申请日:1995-10-10

    Applicant: MOTOROLA INC.

    CPC classification number: H04J3/0605 H04B14/04

    Abstract: A site controller (102) instructs a transcoder (121) to operate in a partial transcoding mode (401). While in the partial transcoding mode, the transcoder continuously monitors for a synchronization pattern. If the synchronisation pattern is detected within a predetermined period of time, the transcoder switches operation to a transparent mode (402). While in the transparent mode, the transcoder transparently passes compressed digital voice. If the synchronization pattern is not detected within the predetermined period of time, the transcoder switches operation to a full transcoding mode (400). Regardless of the operating mode, the transcoder continues to monitor for the synchronization pattern. Additionally, the transcoder transmits the synchronization pattern in either the partial transcoding mode or transparent mode. By detecting the synchronization pattern generated by the transcoder, other transcoders (122-123) can also switch to the transparent mode, thereby avoiding multiple format conversions.

    Abstract translation: 站点控制器(102)指示代码转换器(121)以部分代码转换模式(401)操作。 在部分代码转换模式下,代码转换器连续地监视同步模式。 如果在预定时间段内检测到同步模式,则代码转换器将操作切换到透明模式(402)。 在透明模式下,代码转换器透明地传递压缩的数字声音。 如果在预定时间段内没有检测到同步模式,则代码转换器将操作切换到完全转码模式(400)。 不管操作模式如何,代码转换器继续监视同步模式。 此外,代码转换器以部分代码转换模式或透明模式发送同步模式。 通过检测由代码转换器生成的同步模式,其他代码转换器(122-123)也可以切换到透明模式,从而避免多种格式的转换。

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