SYNCHRONIZATION DEVICE AND RADIO TRANSMISSION SYSTEM

SYNCHRONIZATION DEVICE AND RADIO TRANSMISSION SYSTEM

When reproducing AV data transmitted from a source device by multicast wireless transmission, a sink device can check the wireless connection status of other sink device which reproduces AV data from the same source device. The sink device (2a) includes: an AV reception portion which receives AV dat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ETOH, MASAYUKI, KATOH, SHINICHI, OHMAE, RYOSUKE, EGUCHI, YOHICHI, TSUJI, KEISUKE, IMANISHI, SEIJI, KINOSHITA, TAKUYA
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PUBLIC ADDRESS SYSTEMS
STEREOPHONIC SYSTEMS
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Beschreibung
Zusammenfassung:When reproducing AV data transmitted from a source device by multicast wireless transmission, a sink device can check the wireless connection status of other sink device which reproduces AV data from the same source device. The sink device (2a) includes: an AV reception portion which receives AV data through multicast wireless transmission from the source device (1); a reproduction portion which extracts and reproduces AV data transmitted to the sink device (2a) from the received AV data; and a device information receiving portion that wirelessly receives a portion or whole of the sink device information managed in the source device (1). The sink device information correlates identification information for identifying a plurality of sink devices (2a, 2b,...) containing the sink device (2a) with state information indicative of wireless connection status of the sink devices (2a, 2b,...).