Title:
SIMULTANEOUS VIDEO OUTPUT SYSTEM IN MULTICAST
Document Type and Number:
WIPO Patent Application WO/2008/029471
Kind Code:
A1
Abstract:
When the same video information is multicast from one transmission side transmission
device to a plurality of reception side transmission devices and the plurality
of reception side transmission devices perform simultaneous output, it is possible
no to transmit information concerning a network delay from the transmission
side transmission device and align the simultaneous output timings from the
plurality of reception side transmission devices without requiring an additional
band/line. In order to achieve this object, provided is a multicast system including
a network and a plurality of transmission devices connected to the network. The
same video information is sent from one transmission device to a plurality of
transmission devices. A reception side transmission device performs buffer
control when buffering the video information acquired by acquiring the buffer
control information.
Inventors:
MIURA, Masaaki (3-2-1, Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 2130012, JP)
三浦 正昌 (〒12 神奈川県川崎市高津区坂戸３－２－１ 株式会社メディアグローバルリンクス内 Kanagawa, 2130012, JP)
NARITA, Kazuki (3-2-1, Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 2130012, JP)
三浦 正昌 (〒12 神奈川県川崎市高津区坂戸３－２－１ 株式会社メディアグローバルリンクス内 Kanagawa, 2130012, JP)
NARITA, Kazuki (3-2-1, Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 2130012, JP)
Application Number:
JP2006/317744
Publication Date:
March 13, 2008
Filing Date:
September 07, 2006
Export Citation:
Assignee:
MEDIA GLOBAL LINKS CO., LTD. (3-2-1, Sakado Takatsu-ku, Kawasaki-sh, Kanagawa 12, 2130012, JP)
株式会社メディアグローバルリンクス (〒12 神奈川県川崎市高津区坂戸３－２－１ Kanagawa, 2130012, JP)
MIURA, Masaaki (3-2-1, Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 2130012, JP)
三浦 正昌 (〒12 神奈川県川崎市高津区坂戸３－２－１ 株式会社メディアグローバルリンクス内 Kanagawa, 2130012, JP)
株式会社メディアグローバルリンクス (〒12 神奈川県川崎市高津区坂戸３－２－１ Kanagawa, 2130012, JP)
MIURA, Masaaki (3-2-1, Sakado, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 2130012, JP)
三浦 正昌 (〒12 神奈川県川崎市高津区坂戸３－２－１ 株式会社メディアグローバルリンクス内 Kanagawa, 2130012, JP)
International Classes:
H04L12/56
Attorney, Agent or Firm:
KUDO, Ichiro (Yurakucho Denki Bldg. South Tower, 7-1 Yurakucho 1-chome, Chiyoda-ku Tokyo 06, 1000006, JP)