A PACKET VlDEOlAUDlO SYSTEM USING THE ASYNCHRONOUS TRANSFER MODE TECHNIQUE
نویسنده
چکیده
A point-to-point packet transmission system which integrates a fixed-bit rate, PCM coded, NTSC quality video signal and tu o multiplexed audio channels has been prototyped. The system consists of an Assembler Interface Card (transmit end) and a Disassembler Interface Card (receive end). At the Assembler Interface Card service equipment is connected in a daisy-chained architecture. Information is integrated into a SONET-like Asynchronous Transfer Mode (ATM) data stream. At the Disassembler Interface Card incoming information is broadcast to each piece of receive service equipment. Only information addressed to the equipment is filtered out. Service clock information which is not carried by the network is recovered at the recei\,e equipment by using a digital phase-locked loop.
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