Oki Electric Succeeds in Encoded MPEG-4 Satellite Transmission with Its Portable Video Encoder Transmitter.
Connected to a camera, the RS-M can transmit encoded MPEG-4 video in realtime. Available on the market since February 2005, the product measures 180x117x105mm, weighs 1.2kg and enables video transmission via IP networks by compressing video in MPEG-4 format.
In an experiment via the INMARSAT satellite communication service, OKI used the RS-M to encode video taken with a small digital camcorder in MPEG-4 format and transmit it to a fixed satellite using the INMARSAT M4 satellite phone system, received video at a ground base station and delivered it to a client PC via the Internet.
Oki tested two transmission speeds: 5 fps in QCIF format at 32Kbps and 10 fps in QCIF at 48Kbps. The company confirmed that transmission was completed within 3 seconds at either speed, not much different from ground transmission over the FOMA cellular network.
Oki expects that the compact and light encoder will be used to transmit IP video via satellite, paving the way for the development of a portable live streaming system.
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|Publication:||JCNN News Summaries|
|Date:||Jan 11, 2006|
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