Patent ID: 6317440
Filing Date: 2001-11-13
Classification: H04L,H04N

Abstract:
A device for transmitting digital audio and video data, which transmits a stream of source packets from a first digital device to a second digital device according to a transmission specification, said transmission specification defining an isochronous transmission mode, comprising:a timing simulator operative to receive predetermined signals and a predetermined mode signal in order to transmit a stream of the source packets, and to output transmission basis signals corresponding to the predetermined signals and the mode signal:a memory for storing the source packets;a transmission timing controller operative to receive the transmission basis signals and cycle syncs generated every predetermined length of time, and to generate a controlled output comprising empty packets, for controlling the transmission of packets according to predetermined rules defined by said transmission specification: anda transmitter operative to insert the empty packets in required positions between said source packets delivered from said memory as determined by said transmission timing controller and to transmit said source and empty packets in accordance with said transmission specification.