| 摘要 |
PROBLEM TO BE SOLVED: To control a sound field full of appropriate sense of presence, suited to the status and angle of a video information. SOLUTION: Program information, including a program-related information corresponding to a video information and an audio information with a plurality of angles and a video information, is received by a satellite broadcast antenna 2 and is selected by a tuner 13. A demultiplexer 14 separates and extracts the video and audio informations and the program-related information from the received program information. The separated and extracted video and audio informations are decoded by a decoder 15, while the program-related information is supplied to a CPU 11. The CPU 11 extracts a sound-field control information for reproducing an appropriate sound field from a sound-field control database 16, on the basis of a searched keyword extracted from the program-related information and an angle selected by a viewer, and it supplies it to a sound-field control part 17. The sound-field control part 17 controls the sound field of the audio information, on the basis of the extracted sound-field control information. |
