Title:
同期制御装置、同期制御方法及び同期制御プログラム
Document Type and Number:
Japanese Patent JP7208531
Kind Code:
B2
Abstract:
A synchronous shift of video/audio data between a plurality of display system devices is suppressed. A synchronous control device includes a coded-data adjustment unit 312 or a video and audio data adjustment unit 314 configured to perform frame adjustment based on a predetermined frame adjustment instruction by inserting predetermined frame data into a plurality of pieces of frame data in a chronological order or deleting a piece of frame data from the plurality of pieces of frame data, a video and audio data output unit 315 configured to sequentially output each piece of frame data subjected to the frame adjustment, and a video and audio data output time-point adjustment unit 316 configured to compare a reference time point for outputting each piece of the frame data with an output time point at which each piece of the frame data is output. In the synchronous control device, the video and audio data output time-point adjustment unit 316 issues the frame adjustment instruction to insert predetermined frame data if the output time point precedes the reference time point by a threshold value or longer, and alternatively issues the frame adjustment instruction to delete a piece of frame data if the output time point is delayed from the reference time point by a threshold value or longer.
Inventors:
Masato Ono
Takahide Hoshide
Matsubara Yasushi
Shinji Fukatsu
Kenichi Minami
Takahide Hoshide
Matsubara Yasushi
Shinji Fukatsu
Kenichi Minami
Application Number:
JP2019102909A
Publication Date:
January 19, 2023
Filing Date:
May 31, 2019
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
H04N21/238
Domestic Patent References:
| JP10511513A |
Foreign References:
| WO2013111701A1 |
Other References:
佐藤 孝子, 外5名,競技空間全体の高臨場ライブ中継に向けたサラウンド映像合成・同期伝送技術,NTT技術ジャーナル,一般社団法人電気通信協会,2017年10月01日,第29巻, 第10号,pp. 19-23
Attorney, Agent or Firm:
Hidekazu Miyoshi
Rie Kudo
Rie Kudo