JP2015130662A - Av機器及びその制御方法 - Google Patents
Av機器及びその制御方法 Download PDFInfo
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- JP2015130662A JP2015130662A JP2014256857A JP2014256857A JP2015130662A JP 2015130662 A JP2015130662 A JP 2015130662A JP 2014256857 A JP2014256857 A JP 2014256857A JP 2014256857 A JP2014256857 A JP 2014256857A JP 2015130662 A JP2015130662 A JP 2015130662A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/05—Synchronising circuits with arrangements for extending range of synchronisation, e.g. by using switching between several time constants
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43079—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of additional data with content streams on multiple devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4392—Processing of audio elementary streams involving audio buffer management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/0675—Arrangements or circuits at the transmitter end for mixing the synchronising signals with the picture signal or mutually
Abstract
【解決手段】 AV機器は、ディスプレイ装置にビデオ信号及び該ビデオ信号に対応する第1オーディオ信号を出力する第1信号出力部と、前記ディスプレイ装置から前記第1オーディオ信号のフィードバック信号を受信する第1信号受信部と、前記ビデオ信号に対応する第2オーディオ信号を出力する第2信号出力部と、前記第1オーディオ信号と前記フィードバック信号とを比較して前記ディスプレイ装置の処理遅延時間を決定し、該決定された処理遅延時間に基づいて、前記第2オーディオ信号が前記ビデオ信号よりも遅延して出力されるように制御する制御部と、を備える。
【選択図】 図2
Description
12 ディスプレイ装置
13 音声出力機器
14 ソース機器
Claims (15)
- ディスプレイ装置にビデオ信号及び該ビデオ信号に対応する第1オーディオ信号を出力する第1信号出力部と、
前記ディスプレイ装置から前記第1オーディオ信号のフィードバック信号を受信する第1信号受信部と、
前記ビデオ信号に対応する第2オーディオ信号を出力する第2信号出力部と、
前記第1オーディオ信号と前記フィードバック信号とを比較して前記ディスプレイ装置の処理遅延時間を決定し、該決定された処理遅延時間に基づいて、前記第2オーディオ信号が遅延して出力されるように前記第2信号出力部を制御する制御部と、
を備えるAV機器。 - 前記第1オーディオ信号は少なくとも一つの識別区間を含み、
前記制御部は、前記識別区間に基づいて前記第1オーディオ信号と前記フィードバック信号との位相差を判断して前記処理遅延時間を決定する、請求項1に記載のAV機器。 - 前記識別区間は周期的である、請求項2に記載のAV機器。
- 前記識別区間は音声を消去した区間を含む、請求項2に記載のAV機器。
- 前記制御部は、オーディオの変更に対応して前記第1オーディオ信号が出力されるように前記第1信号出力部を制御する、請求項1に記載のAV機器。
- 前記制御部は、ユーザ入力の受信に対応して、前記オーディオが変更されたと判断する、請求項5に記載のAV機器。
- ソース機器から前記ビデオ信号及び前記オーディオ信号を受信する第2信号受信部をさらに備え、
前記制御部は、前記受信されるビデオ信号又は前記オーディオ信号の変更に対応して、前記オーディオが変更されたと判断する、請求項5に記載のAV機器。 - 前記第2オーディオ信号を処理する信号処理部をさらに備え、
前記制御部は、前記ディスプレイ装置の処理遅延時間及び前記第2オーディオ信号に対する処理遅延時間に基づいて前記第2オーディオ信号が出力されるように前記第2信号出力部を制御する、請求項1に記載のAV機器。 - 前記第1信号受信部は、S/PDIF(Sony/Philipse Digital Interface)の規格を有する、請求項1に記載のAV機器。
- ディスプレイ装置にビデオ信号及び該ビデオ信号に対応する第1オーディオ信号を出力する段階と、
前記ディスプレイ装置から前記第1オーディオ信号のフィードバック信号を受信する段階と、
前記第1オーディオ信号と前記フィードバック信号とを比較して前記ディスプレイ装置の処理遅延時間を決定する段階と、
前記決定された処理遅延時間に基づいて、前記ビデオ信号に対応する第2オーディオ信号を遅延させて出力する段階と、
を含むAV機器の制御方法。 - 前記第1オーディオ信号は少なくとも一つの識別区間を含み、
前記処理遅延時間を決定する段階は、前記識別区間に基づいて前記第1オーディオ信号と前記フィードバック信号との位相差を判断して前記処理遅延時間を決定する段階を含む、請求項10に記載のAV機器の制御方法。 - 前記識別区間は周期的である、請求項11に記載のAV機器の制御方法。
- 前記識別区間は音声を消去した区間を含む、請求項11に記載のAV機器の制御方法。
- 前記第1オーディオ信号を出力する段階は、オーディオ変更に対応して前記第1オーディオ信号を出力する段階を含む、請求項10に記載のAV機器の制御方法。
- 前記第1オーディオ信号を出力する段階は、ユーザ入力の受信に対応して、前記オーディオが変更されたと判断する段階を含む、請求項14に記載のAV機器の制御方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140001831A KR102201617B1 (ko) | 2014-01-07 | 2014-01-07 | Av기기 및 그 제어방법 |
KR10-2014-0001831 | 2014-01-07 |
Publications (1)
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JP2015130662A true JP2015130662A (ja) | 2015-07-16 |
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JP2014256857A Pending JP2015130662A (ja) | 2014-01-07 | 2014-12-19 | Av機器及びその制御方法 |
Country Status (6)
Country | Link |
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US (2) | US9742964B2 (ja) |
EP (1) | EP2892241B1 (ja) |
JP (1) | JP2015130662A (ja) |
KR (1) | KR102201617B1 (ja) |
CN (1) | CN104768050B (ja) |
PL (1) | PL2892241T3 (ja) |
Cited By (1)
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JP2020036178A (ja) * | 2018-08-30 | 2020-03-05 | パナソニックIpマネジメント株式会社 | 映像信号出力装置、制御方法、及び、プログラム |
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CN105142013B (zh) * | 2015-09-15 | 2018-11-20 | 广东欧珀移动通信有限公司 | 一种播放端参数调节的方法及装置 |
CN108377406B (zh) * | 2018-04-24 | 2020-12-22 | 海信视像科技股份有限公司 | 一种调整音画同步的方法及装置 |
KR102580505B1 (ko) * | 2018-09-17 | 2023-09-21 | 삼성전자주식회사 | 디스플레이장치, 그 제어방법 및 기록매체 |
KR20210068953A (ko) * | 2019-12-02 | 2021-06-10 | 삼성전자주식회사 | 전자 장치 및 그 제어 방법 |
CN111510754A (zh) * | 2020-04-27 | 2020-08-07 | 四川长虹电器股份有限公司 | 一种降低智能电视外接蓝牙音箱声音延迟的方法 |
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2014
- 2014-01-07 KR KR1020140001831A patent/KR102201617B1/ko active IP Right Grant
- 2014-08-20 US US14/464,001 patent/US9742964B2/en active Active
- 2014-12-19 JP JP2014256857A patent/JP2015130662A/ja active Pending
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2015
- 2015-01-04 CN CN201510002260.7A patent/CN104768050B/zh active Active
- 2015-01-07 PL PL15150380T patent/PL2892241T3/pl unknown
- 2015-01-07 EP EP15150380.2A patent/EP2892241B1/en active Active
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2017
- 2017-07-19 US US15/653,685 patent/US20170318197A1/en not_active Abandoned
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JP2020036178A (ja) * | 2018-08-30 | 2020-03-05 | パナソニックIpマネジメント株式会社 | 映像信号出力装置、制御方法、及び、プログラム |
WO2020044644A1 (ja) * | 2018-08-30 | 2020-03-05 | パナソニックIpマネジメント株式会社 | 映像信号出力装置、制御方法、及び、プログラム |
Also Published As
Publication number | Publication date |
---|---|
EP2892241B1 (en) | 2017-08-23 |
CN104768050A (zh) | 2015-07-08 |
KR102201617B1 (ko) | 2021-01-12 |
CN104768050B (zh) | 2018-05-11 |
US20150195428A1 (en) | 2015-07-09 |
PL2892241T3 (pl) | 2018-01-31 |
EP2892241A1 (en) | 2015-07-08 |
US9742964B2 (en) | 2017-08-22 |
US20170318197A1 (en) | 2017-11-02 |
KR20150081886A (ko) | 2015-07-15 |
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