JP4709770B2 - デジタルマルチメディアの無線伝送方法及びシステム - Google Patents
デジタルマルチメディアの無線伝送方法及びシステム Download PDFInfo
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- 238000000034 method Methods 0.000 title description 17
- 238000012545 processing Methods 0.000 claims description 8
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- 238000000926 separation method Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/71—Wireless systems
- H04H20/72—Wireless systems of terrestrial networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (9)
- マルチメディアデータのソース機器(12)と、
上記ソース機器(12)からマルチメディアデータを受信し、前記マルチメディアデータのオーディオコンポーネントをビデオデータに多重化し、広帯域デジタルコンテンツ保護(High-Bandwidth Digital Content Protection:HDCP)を用いて前記多重化されたデータを暗号化する第1の高精細度マルチメディアインタフェース(HDMI)コンポーネント(18)と、
上記第1のHDMIコンポーネント(18)から、暗号化されたデータを少なくとも1つの有線(19)で受信し、暗号化されたビデオデータ内で多重化されたオーディオデータを通過させる間に暗号化されたビデオデータを逆多重化する第1のデジタルビジュアルインタフェース(DVI)コンポーネント(20)と、
上記第1のDVIコンポーネント(20)から、上記暗号化されたデータを受信し、該暗号化されたデータを無線受信機(34)に無線で送信する無線送信機(24)と、
上記無線受信機(34)から上記暗号化されたデータを受信する第2のDVIコンポーネント(38)と、
上記第2のDVIコンポーネント(38)から上記暗号化されたマルチメディアデータを受信し、上記暗号化されたマルチメディアデータを平文化する第2のHDMIコンポーネント(40)と、
上記第2のHDMIコンポーネント(40)から上記マルチメディアデータを少なくとも1つの有線で受信し、該マルチメディアデータに基づく映像を表示する該マルチメディアデータの表示器(44)と、
上記表示器(44)に関連する制御データを上記マルチメディアデータに多重化する多重化手段とを備え、
上記制御データは、上記マルチメディアデータの帰線期間に多重化されることを特徴とするデータ伝送システム。 - 上記マルチメディアデータを所定の周波数に変調してアップコンバートする変換手段であって、変調及びアップコンバートされたマルチメディアデータが無線で伝送され得るようにする変換手段と、
無線で受信した上記マルチメディアデータを処理する処理手段と、
上記マルチメディアデータから制御データを分離する分離手段とを更に備える請求項1記載のデータ伝送システム。 - 上記マルチメディアデータの表示器(44)は、上記無線送信機(24)が設置された室内に配設され、該無線送信機(24)は、上記マルチメディアデータを約60ギガヘルツ(60GHz)の周波数で無線で送信することを特徴とする請求項1記載のデータ伝送システム。
- 上記マルチメディアデータは、高精細度(HD)マルチメディアデータであることを特徴とする請求項1記載のデータ伝送システム。
- 上記オーディオデータは、上記ビデオデータストリームの帰線期間内に多重化されることを特徴とする請求項1記載のデータ伝送システム。
- 上記オーディオデータは、バイナリパルス列における1つのパルスの立ち下がりエッジを用いて、ビデオデータストリーム内に多重化されることを特徴とする請求項1記載のデータ伝送システム。
- 上記マルチメディアデータの表示器(44)は、プラズマディスプレイであることを特徴とする請求項1記載のデータ伝送システム。
- 上記マルチメディアデータの表示器(44)は、液晶ディスプレイであることを特徴とする請求項1記載のデータ伝送システム。
- 第1の高精細度マルチメディアインタフェース(HDMI)コンポーネント(18)と、マルチメディアデータの表示器(44)に接続された第2のHDMIコンポーネント(40)との間でオーディオデータ及びビデオデータを含むマルチメディアデータを伝送する伝送システムにおいて、
上記第1のHDMIコンポーネント(18)は、マルチメディアデータのソース機器(12)からマルチメディアデータを受信し、前記マルチメディアデータのオーディオコンポーネントをビデオデータに多重化し、広帯域デジタルコンテンツ保護(High-Bandwidth Digital Content Protection:HDCP)を用いて前記多重化されたデータを暗号化し、
上記第1のHDMIコンポーネント(18)から、暗号化された上記マルチメディアデータを受信し、暗号化されたビデオデータ内で多重化されたオーディオデータを通過させる間に暗号化されたビデオデータを逆多重化する第1のデジタルビジュアルインタフェース(DVI)コンポーネント(20)と、
上記第1のDVIコンポーネント(20)から、上記暗号化されたマルチメディアデータを受信し、該暗号化されたマルチメディアデータを無線受信機(34)に無線で送信する無線送信機(24)と、
上記無線受信機(34)から上記暗号化されたマルチメディアデータを受信し、上記暗号化されたマルチメディアデータを平文化する上記第2のHDMIコンポーネント(40)に該マルチメディアデータを送信する第2のDVIコンポーネント(38)と、
上記表示器(44)に関連する制御データを上記マルチメディアデータに多重化する多重化手段とを備え、
上記制御データは、上記マルチメディアデータの帰線期間に多重化されることを特徴とするデータ伝送システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/744,903 | 2003-12-22 | ||
US10/744,903 US7562379B2 (en) | 2003-12-22 | 2003-12-22 | Method and system for wireless digital multimedia presentation |
PCT/US2004/034485 WO2005067458A2 (en) | 2003-12-22 | 2004-10-19 | Method and system for wireless digital multimedia |
Publications (2)
Publication Number | Publication Date |
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JP2007524288A JP2007524288A (ja) | 2007-08-23 |
JP4709770B2 true JP4709770B2 (ja) | 2011-06-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006546975A Expired - Fee Related JP4709770B2 (ja) | 2003-12-22 | 2004-10-19 | デジタルマルチメディアの無線伝送方法及びシステム |
Country Status (6)
Country | Link |
---|---|
US (2) | US7562379B2 (ja) |
EP (1) | EP1716652A4 (ja) |
JP (1) | JP4709770B2 (ja) |
KR (1) | KR100974740B1 (ja) |
CN (1) | CN101049021B (ja) |
WO (1) | WO2005067458A2 (ja) |
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WO2005067458A3 (en) | 2007-05-24 |
KR100974740B1 (ko) | 2010-08-06 |
CN101049021A (zh) | 2007-10-03 |
EP1716652A4 (en) | 2011-06-22 |
KR20060121222A (ko) | 2006-11-28 |
EP1716652A2 (en) | 2006-11-02 |
US7562379B2 (en) | 2009-07-14 |
JP2007524288A (ja) | 2007-08-23 |
US20050136990A1 (en) | 2005-06-23 |
US20090235304A1 (en) | 2009-09-17 |
CN101049021B (zh) | 2010-12-08 |
WO2005067458A2 (en) | 2005-07-28 |
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