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Title:
DIGITAL BROADCASTING TRANSMITTER AND DIGITAL BROADCASTING RECEIVER
Document Type and Number:
Japanese Patent JP2008042374
Kind Code:
A
Abstract:

To provide a digital broadcasting transmitter and a digital broadcasting receiver for allowing a user to recognize easily relations among a plurality of video images and voices in a program and perform selection, during the transmission/reception of a program composed of the plurality of video images and voices.

The digital broadcasting transmitter allocates each of a plurality of video image and voice information (Sav) constituting a program to a main video image and a voice (Sav1), and a sub video image and voice (Sav2 and Sav3) exclusively; and transmits management information (Ia;Cp, Co) indicative of a position relation for the sub video image and voice (Sav2 and Sav3) vs the main video image and voice (Sav1) during photographing, together with the plurality of image video information (Sav). The digital broadcasting receiver indicates that a video image (Svd) exists in a direction (M), when the other video image and voice (Sav2, Sav2) exists around the video image and voice (Sav1) on display among the plurality of video image and voice (Save).


Inventors:
SAEKI HIROAKI
Application Number:
JP2006211855A
Publication Date:
February 21, 2008
Filing Date:
August 03, 2006
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H04H20/28; H04H60/07; H04N7/173; H04N21/4728; H04H1/00
Attorney, Agent or Firm:
Kazuo Ishii
Susumu Saito