TRANSMITTING DIGITAL VIDEO SIGNALS OVER AN IP NETWORK

摘要

The device disclosed is capable of accepting and transmitting multiplex ed compressed digital video, (Digital TV DTV/HDTV), in a MPEG2 Transport Stream (TS) form, from various devices and sources. it is intended to be used by broadcasting companies to leverage high-speed networks, for point to point and point to multipoint transmissions. The disclosure includes methods for Supporting DHCP and DNS. The processing of the received signals provides a Constant Delay for synchronization. This is obtained by providing at the receiving node provides buffering for accommodating network jitter and lost packages and for controlling the output bit rate. The buffering includes a buffer for retaining a predetermined quantity of data the effective size of which before the data is released is changed depending upon bit rate and the output bit rate is controlled by varying the amount of data retained. Remote Management and Monitoring functi on is provided based on the SNMP protocol and a remote management and monitoring function via the WWW and HTTP protocol. A design is provided for Point to Multipoint multicast Transmissions.