Title:
BROADCASTING SYSTEM AND INFORMATION PRESENTATION DEVICE
Document Type and Number:
Japanese Patent JP2020053945
Kind Code:
A
Abstract:
To improve the reliability of a broadcasting system using a sound watermark.SOLUTION: A broadcasting system includes: a signal processing device 1 for generating a broadcast signal in which identification information is superposed on an acoustic signal by a sound watermark; a broadcasting device 2 for outputting the broadcast signal to a speaker line 3; one or two or more speaker units 4 connected to the speaker line 3 for emitting sound on the basis of the broadcast signal; two or more portable terminal devices 5 for extracting identification information from a sound collection signal obtained by collecting an output sound from the speaker units 4 and making a display output on the basis of the extracted identification information; and an information presentation device 6 connected with the speaker line 3 for extracting the identification information from the broadcast signal and making an information presentation on the basis of the extracted identification information.SELECTED DRAWING: Figure 1
Inventors:
YAMAGUCHI JUNYA
Application Number:
JP2018184626A
Publication Date:
April 02, 2020
Filing Date:
September 28, 2018
Export Citation:
Assignee:
TOA CORP
International Classes:
H04H20/59; G10L19/018; H04B1/74; H04B3/54; H04B11/00; H04H60/93; H04R27/04
Domestic Patent References:
| JP2017191527A | 2017-10-19 | |||
| JP2016173413A | 2016-09-29 | |||
| JP2018073227A | 2018-05-10 | |||
| JP2017212750A | 2017-11-30 | |||
| JP2000090380A | 2000-03-31 | |||
| JP2010268263A | 2010-11-25 |
Other References:
財団法人ニューメディア協議会: "音響すかし技術を活用した情報配信システムの開発・調査 報告書", [オンライン], JPN6020021051, 19 March 2010 (2010-03-19), pages 13 - 20, ISSN: 0004288199
Attorney, Agent or Firm:
Satoshi Otsuki