An AV system composed of an HD recorder and a display unit uses a communication interface of the HDMI. An HDMI source of the HD recorder transmits image data (image signal) in the form of differential signals to an HDMI sink of the display unit through three TMDS channels. The HDMI source inserts content identification information for the identification of the type of a content of image data to be transmitted into an AVI InfoFrame packet placed in a blanking period. A control section of the display unit controls operation of a display processing section which carries out a process for displaying for the image data based on the content identification information received by the HDMI sink and a display section for displaying an image.
Drawings
Claims13
A reception apparatus, comprising:
a reception section configured to receive an image signal transmitted thereto in a form of differential signals through a plurality of channels and having content identification information for identification of a type of a content inserted in a blanking period thereof;
and
a control device configured to control displaying for the image signal received by said reception section based on the content identification information inserted in the blanking period of the image signal received by said reception section,
wherein the content identification information is formed from a plurality of data placed hierarchically.
1 more element
A reception method, comprising:
a reception step of receiving an image signal transmitted in a form of differential signals through a plurality of channels and having content identification information for identification of a type of a content inserted in a blanking period thereof;
and
a control step of controlling operation of carrying out a process for displaying an image for the image signal received at the reception step, based on the content identification information inserted in the blanking period of the image signal received at the reception step,
wherein the content identification information is formed from a plurality of data placed hierarchically.
11 Sep 2029Estimated · howhide20 years from earliest known nonprovisional domestic filing plus recorded patent term adjustment. Maintenance-fee lapses, terminal disclaimers and statutory extensions have not been checked. The continuity chain may be incomplete; this is not an enforceability determination.
#This invention relates to a communication system, a transmission apparatus, a transmission method, a reception apparatus and a reception method wherein a communication interface such as, for example, an HDMI (High Definition Multimedia Interface) is used. Particularly, the present invention relates to a communication system and so forth wherein an image signal having content identification information inserted in a blanking period thereof is sent in the form of differential signals through a plurality of channels whereas the reception side can carry out an optimum process for the image signal depending upon the type of the content based on the content identification information.
#In the following, embodiments of the present invention are described with reference to the drawings.
#FIG. 1 shows an example of a configuration of an AV system 40 to which the present invention is applied. Referring to FIG. 1, the AV system 40 is composed of an HD (Hard Disk) recorder 41 as a transmission apparatus and a display unit 42 as a reception apparatus. The HD recorder 41 and the display unit 42 are connected to each other by a cable 43 for the HDMI.