JP4988022B2 - 映像表示装置及び音声出力制御方法 - Google Patents
映像表示装置及び音声出力制御方法 Download PDFInfo
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- JP4988022B2 JP4988022B2 JP2010222894A JP2010222894A JP4988022B2 JP 4988022 B2 JP4988022 B2 JP 4988022B2 JP 2010222894 A JP2010222894 A JP 2010222894A JP 2010222894 A JP2010222894 A JP 2010222894A JP 4988022 B2 JP4988022 B2 JP 4988022B2
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- 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
- H04N21/43072—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 multiple content streams on the same device
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4333—Processing operations in response to a pause request
-
- 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
- H04N21/4396—Processing of audio elementary streams by muting the audio signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Receiver Circuits (AREA)
- Telephone Function (AREA)
Description
Claims (5)
- コンテンツを受信し、受信したコンテンツの第一の映像データと第一の音声データとを分離する分離部と、
ネットワークを通じて前記第一の映像データと異なる第二の映像データ及び前記第一の音声データと異なる第二の音声データを受信するネットワーク受信部と、
前記第一の映像データをデコードして第一の映像信号を出力し、前記第二の映像データをデコードして第二の映像信号を出力する映像処理部と、
前記第一の音声データをデコードして第一の音声信号を出力し、前記第二の音声データをデコードして第二の音声信号を出力する音声処理部と、
前記映像処理部が出力する前記第一の映像信号と前記音声処理部が出力する前記第一の音声信号との間に第一の時間差を与え、前記映像処理部が出力する前記第二の映像信号と前記音声処理部が出力する前記第二の音声信号との間に第二の時間差を与える遅延部を具備し、前記遅延部が前記第一の時間差を与えた前記第一の音声信号をアナログ信号に変換し、前記遅延部が前記第二の時間差を与えた前記第二の音声信号をアナログ信号に変換する変換部と、
前記第一の時間差と前記第二の時間差とを比較して前記第一の時間差を前記第二の時間差よりも大きく設定する設定部と、
を、具備する映像表示装置。 - 前記第二の映像データは、IP(Internet Protocol)に準拠する請求項1記載の映像表示装置。
- 前記分離部が前記第一の映像データと前記第一の音声データとを分離するコンテンツは、チューナまたは外部入力が入力する請求項1記載の映像表示装置。
- 分離部により、受信したコンテンツから前記第一の映像データと第一の音声データとを分離し、
ネットワーク受信部により、ネットワークを通じて前記第一の映像データと異なる第二の映像データ及び前記第一の音声データと異なる第二の音声データを受信し、
映像処理部により、前記第一の映像データをデコードして第一の映像信号を出力し、前記第二の映像データをデコードして第二の映像信号を出力し、
音声処理部により、前記第一の音声データをデコードして第一の音声信号を出力し、前記第二の音声データをデコードして第二の音声信号を出力し、
遅延部が前記第一の映像信号と音声処理部が出力する前記第一の音声信号との間に第一の時間差を与える前記第一の音声信号を変換部によりアナログ信号に変換し、遅延部が前記第二の映像信号と音声処理部が出力する前記第二の音声信号との間に第二の時間差を与える前記第二の音声信号を変換部によりアナログ信号に変換し、
設定部が前記第一の時間差と第二の時間差とを比較して前記第一の時間差を前記第二の時間差よりも大きく設定する
音声出力制御方法。 - 受信するコンテンツは、チューナまたは外部入力が入力する請求項4記載の音声出力制御方法。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010222894A JP4988022B2 (ja) | 2010-09-30 | 2010-09-30 | 映像表示装置及び音声出力制御方法 |
| US13/159,721 US20120084827A1 (en) | 2010-09-30 | 2011-06-14 | Image Display Apparatus and Sound Output Control Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010222894A JP4988022B2 (ja) | 2010-09-30 | 2010-09-30 | 映像表示装置及び音声出力制御方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012080276A JP2012080276A (ja) | 2012-04-19 |
| JP4988022B2 true JP4988022B2 (ja) | 2012-08-01 |
Family
ID=45890963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010222894A Expired - Fee Related JP4988022B2 (ja) | 2010-09-30 | 2010-09-30 | 映像表示装置及び音声出力制御方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20120084827A1 (ja) |
| JP (1) | JP4988022B2 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891052B (zh) * | 2020-06-17 | 2024-06-14 | 青岛海信激光显示股份有限公司 | 激光投影设备及其开机方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5920842A (en) * | 1994-10-12 | 1999-07-06 | Pixel Instruments | Signal synchronization |
| US7565680B1 (en) * | 2000-06-30 | 2009-07-21 | Comcast Ip Holdings I, Llc | Advanced set top terminal having a video call feature |
| JP2002369163A (ja) * | 2001-06-05 | 2002-12-20 | Nippon Telegr & Teleph Corp <Ntt> | マルチストリーム出力時刻制御方法及びその制御装置 |
| US7961717B2 (en) * | 2005-05-12 | 2011-06-14 | Iposi, Inc. | System and methods for IP and VoIP device location determination |
| US20090232318A1 (en) * | 2006-07-03 | 2009-09-17 | Pioneer Corporation | Output correcting device and method, and loudspeaker output correcting device and method |
| US8272008B2 (en) * | 2007-02-28 | 2012-09-18 | At&T Intellectual Property I, L.P. | Methods, systems, and products for retrieving audio signals |
| JP2010103652A (ja) * | 2008-10-22 | 2010-05-06 | Nec Corp | ネットワークシステム及びそれに用いるアナログ映像同期信号伝送方法 |
| JP2010136294A (ja) * | 2008-12-08 | 2010-06-17 | Sharp Corp | 映像音声出力装置及びコンピュータプログラム |
-
2010
- 2010-09-30 JP JP2010222894A patent/JP4988022B2/ja not_active Expired - Fee Related
-
2011
- 2011-06-14 US US13/159,721 patent/US20120084827A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012080276A (ja) | 2012-04-19 |
| US20120084827A1 (en) | 2012-04-05 |
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