METHOD AND APPARATUS ENABLING FAST CHANNEL CHANGE FOR DSL SYSTEM

THERE IS PROVIDED METHODS AND APPARATUS FOR ENABLING A FAST CHANNEL CHANGE FOR A DIGITAL SUBSCRIBER LINE (DSL) SYSTEM. A CHANNEL CHANGE PROCESSING UNIT FOR ENABLING A CHANNEL CHANGE IN A DSL SYSTEM INCLUDES A DEMULTIPLEXER (132) AND A SELECTOR (134) IN SIGNAL COMMUNICATION WITH THE DEMULTIPLEXER (13...

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Hauptverfasser:	ALEXANDROS MICHAEL TOURAPIS, JILL MACDONALD BOYCE
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Zusammenfassung:	THERE IS PROVIDED METHODS AND APPARATUS FOR ENABLING A FAST CHANNEL CHANGE FOR A DIGITAL SUBSCRIBER LINE (DSL) SYSTEM. A CHANNEL CHANGE PROCESSING UNIT FOR ENABLING A CHANNEL CHANGE IN A DSL SYSTEM INCLUDES A DEMULTIPLEXER (132) AND A SELECTOR (134) IN SIGNAL COMMUNICATION WITH THE DEMULTIPLEXER (132). THE DEMULTIPLEXER (132) IS FOR RECEIVING A NORMAL STREAM AND A CHANNEL CHANGE STREAM. THE SELECTOR (134) IS FOR RECEIVING A CHANNEL CHANGE REQUEST AND FOR SENDING THE CHANNEL CHANGE STREAM IN RESPONSE TO RECEIVING THE CHANNEL CHANGE REQUEST. THE CHANNEL CHANGE STREAM CODED PICTURES ARE OF A LOWER QUALITY THAN THE NORMAL STREAM CODED PICTURES.