WO2013077194A1 - Dispositif d'émission de données, procédé d'émission de données et équipement audiovisuel - Google Patents

Dispositif d'émission de données, procédé d'émission de données et équipement audiovisuel Download PDF

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Publication number
WO2013077194A1
WO2013077194A1 PCT/JP2012/079003 JP2012079003W WO2013077194A1 WO 2013077194 A1 WO2013077194 A1 WO 2013077194A1 JP 2012079003 W JP2012079003 W JP 2012079003W WO 2013077194 A1 WO2013077194 A1 WO 2013077194A1
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WO
WIPO (PCT)
Prior art keywords
data
audio
video
frame
channel
Prior art date
Application number
PCT/JP2012/079003
Other languages
English (en)
Japanese (ja)
Inventor
忠夫 森下
Original Assignee
シャープ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2013077194A1 publication Critical patent/WO2013077194A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3666—Control of matrices with row and column drivers using an active matrix with the matrix divided into sections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
    • G09G5/397—Arrangements specially adapted for transferring the contents of two or more bit-mapped memories to the screen simultaneously, e.g. for mixing or overlay
    • 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 or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H04N21/43635—HDMI
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0221—Addressing of scan or signal lines with use of split matrices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline

Definitions

  • the present invention relates to audio / video technology.
  • the number of pixels of the current high-definition television broadcast is 1920 ⁇ 1080 (so-called 2K1K), which is four times as many pixels as this HDTV (so-called 4K2K) or 16 times as many pixels.
  • 2K1K high definition television broadcast
  • 4K2K high definition television broadcast
  • 8K4K 8K4K
  • Patent Document 1 a plurality of video data obtained by dividing frame data of one frame (the number of pixels exceeds the number of pixels of HDTV) is divided into a plurality of channels corresponding to each (each channel is an HD-SDI standard). A configuration for parallel transmission is disclosed.
  • the present invention proposes a technique for simultaneously transmitting a plurality of video data and audio data obtained by dividing one frame of frame data.
  • the data output device is a data output device that outputs a plurality of video data obtained by dividing frame data of one frame through a plurality of channels corresponding to each of the video data, and one of the plurality of video data, audio data, Are output in one channel.
  • a plurality of video data and audio data obtained by dividing one frame of frame data can be transmitted simultaneously.
  • FIG. 6 is a block diagram which shows the structure of the audio video system of Example 1.
  • FIG. 6 is a block diagram explaining the function of the data output device of FIG.
  • FIG. is a schematic diagram which shows the method of dividing
  • FIG. 6 is a block diagram illustrating another configuration of the display device according to Embodiment 1.
  • FIG. 6 is a block diagram illustrating another configuration of the display device according to
  • FIGS. 1 to 9 Embodiments of the present invention will be described with reference to FIGS. 1 to 9 as follows.
  • the audio / video system includes a data output device 10, an audio / video device 1, and four HDMI standard cables CA1 to CA4.
  • a unit 2 a display device 3, and an audio device 4 are provided.
  • the data output device 10 includes four pieces of video data Dv1 to Dv4 (Dv1 in the upper left area of Df, Dv2 in the upper right area of Df, Dv3 Are output in parallel to the corresponding four-channel cables CA1 to CA4, and one of these four video data Dv1 is output to Df1 in the lower left region of Df and Dv4 corresponds to the lower right region of Df. Is superimposed on the audio data Da, and the video data Dv1 and the audio data Da are output to one channel (one) cable CA1.
  • the data output device 10 is provided with four HDMI output connectors (output ports) OC1 to OC4, and the cables CA1 to CA4 correspond to each. Connected to the output connectors OC1 to OC4.
  • the display device (liquid crystal display device) 3 includes a video processing circuit VP, timing controllers TC1 to TC4, source drivers SD1 to SD2, gate drivers GD1 to GD2, and a liquid crystal panel LCP.
  • the liquid crystal panel LCP is, for example, a so-called 4K2K panel (ultra-high-definition liquid crystal panel) having horizontal 3840 pixels or 4096 pixels ⁇ vertical 2160 pixels, and the video processing circuit VP includes a video decoder.
  • the audio device 4 includes an audio decoder AUD and an audio output device AOD, and the audio output device AOD includes, for example, a DA conversion circuit, an amplifier circuit, and a speaker (these are not shown).
  • the data input unit 2 of the audio / video device 1 is provided with four HDMI channel input connectors (input ports) IC1 to IC4, and the cables CA1 to CA4 are respectively input correspondingly. Connected to the connectors IC1 to IC4. The data input unit 2 receives the video data Dv1 to Dv4 in parallel through four channels corresponding to each.
  • the video data Dv1 is input to the video processing circuit VP through the output connector OC1, the cable CA1, and the input connector IC1
  • the video data Dv2 is input through the output connector OC2, the cable CA2, and the input connector IC2.
  • the video data Dv3 is input to the processing circuit VP
  • the video data Dv3 is input to the video processing circuit VP via the output connector OC3, the cable CA3, and the input connector IC3
  • the video data Dv4 is input via the output connector OC4, the cable CA4, and the input connector IC4.
  • timing controllers TC1 to TC4 There are four outputs from the video processing circuit VP, each of which is input to the timing controllers TC1 to TC4.
  • the timing controllers TC1 and TC2 control the source driver SD1 and the gate drivers GD1 and GD2, and the timing controllers TC3 and TC4 control the source driver SD2 and the gate drivers GD1 and GD2.
  • the source driver SD1 and the gate drivers GD1 and GD2 drive the upper left area AR1 (pixel number 2K1K) and upper right area AR2 (pixel number 2K1K) of the liquid crystal panel LCP, and the source driver SD2 and gate drivers GD1 and GD2
  • the lower left area AR3 (pixel number 2K1K) and lower right area AR4 (pixel number 2K1K) of the liquid crystal panel LCP are driven.
  • the audio data Da superimposed on the video data Dv1 is input to the audio decoder AUD via the output connector OC1, the cable CA1, and the input connector IC1, and the audio output device AOD that receives the decoded audio data outputs audio. To do.
  • the audio / video system of the first embodiment it is possible to simultaneously transmit a plurality of video data and audio data obtained by dividing one frame of frame data.
  • the configurations of the data output device 10 and the audio / video device 1 can be simplified.
  • each area may have the same size or different sizes.
  • the display device 3 is provided with one video processing circuit VP, but a plurality of video processing circuits VP may be provided. Further, the number of timing controllers of the display device 3 is not limited to four, and may be two or one. Also, the division format of the screen (and frame data Df) of the liquid crystal panel is arbitrary. For example, it is divided into four in the horizontal direction as shown in FIG. 9, and four areas Ar1 to Ar4 (the number of pixels in each area is 1K2K) May be arranged in the horizontal direction (direction perpendicular to the scanning direction).
  • the frame data Df and the video data Dv1 to Dv4 in FIG. 2 correspond to a single video of 4K2K size, and each of the video data Dv1 to Dv4 is a high-definition portion of 2K1K size.
  • the frame data Df may correspond to a 4K2K size single video
  • each of the video data Dv1 to Dv4 may correspond to a 2K1K size low-definition whole video (thinned video).
  • the audio / video apparatus 1 may be provided with an audio data detection unit ADD.
  • an audio data detection unit ADD 4-channel input connectors IC1 to IC4 are connected to the audio data detection unit ADD, and the audio data detection unit ADD detects audio data from the 4-channel input and inputs it to the audio decoder AUD.
  • the data output device 10 may output audio data to any channel, thereby improving compatibility between the devices. Can do.
  • the audio data detection unit ADD detects audio data from the input of a plurality of channels, it may be configured to select any one channel and input only the input of the selected channel to the audio decoder AUD. Good.
  • Example 3 In this audio / video system, as shown in FIG. 6, the audio / video apparatus 1 is provided with a user input unit UI for receiving a user instruction as to which audio data superimposed on which channel is reproduced, and an audio data selection unit ADS. May be. Specifically, each of the 4-channel input connectors IC1 to IC4 is connected to the audio data selection unit ADS, and the audio data selection unit ADS inputs the audio data of the channel corresponding to the user instruction to the audio decoder AUD. .
  • the user input unit UI may be hardware such as a switch, or may be software such as GUI selection on the screen.
  • the frame data Df corresponds to four different videos (total 4K2K size), and each of the video data Dv1 to Dv4 is 2K1K size high definition video 1 to high definition video. 4 is convenient because the audio of the video selected by the user can be output.
  • this data output device is a data output device that outputs a plurality of video data obtained by dividing frame data of one frame through a plurality of channels corresponding to each of the video data, It is characterized in that one and audio data are superimposed and output in one channel.
  • a plurality of video data and audio data obtained by dividing one frame of frame data can be transmitted simultaneously.
  • the one frame may include a number of pixels exceeding a video standard for high-definition television broadcasting.
  • only one video may be included in the one frame.
  • a plurality of videos may be included in the one frame.
  • each channel may be HDMI (High-definition Multimedia Interface) standard.
  • This data output method is a data output method for outputting a plurality of video data obtained by dividing frame data of one frame in parallel through a plurality of channels, and superimposing one of the plurality of video data on audio data. It outputs by 1 channel.
  • the audio / video device includes an audio device, a display device, and a data input unit that receives a plurality of video data constituting one frame of frame data to be displayed through a plurality of channels corresponding to each of the data input units.
  • the audio device receives audio data input from one channel superimposed on at least one of the plurality of video data, and the audio device reproduces the audio data.
  • the one frame may include a number of pixels exceeding the video standard for high-definition television broadcasting.
  • the audio / video device may be provided with an audio data detection unit that detects audio data input from any of the channels, and the audio device may reproduce the audio data detected by the audio data detection unit.
  • the audio / video apparatus includes a user input unit that receives a user instruction as to which audio data input from which channel is to be reproduced, and an audio data detection unit that selects audio data of a channel corresponding to the user instruction.
  • the audio device may reproduce the audio data selected by the audio data selection unit.
  • the one frame may be composed of a single video.
  • the one frame may be composed of a plurality of videos.
  • each channel may be HDMI (High-definition Multimedia Interface) standard.
  • each of the plurality of video data may correspond to the thinned video of the one frame.
  • each of the plurality of video data may correspond to the partial video of the one frame.
  • the present invention is not limited to the above-described embodiments, and those obtained by appropriately modifying the above-described embodiments based on common general technical knowledge and those obtained by combining them are also included in the embodiments of the present invention.
  • the present invention is suitable for, for example, an ultra-high definition liquid crystal display device.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un dispositif d'émission de données qui émet une pluralité de données vidéo obtenues par division des données de trame d'une trame par l'intermédiaire d'une pluralité de canaux, superpose des données audio sur l'une de la pluralité de données vidéo, et émet lesdites données par l'intermédiaire d'un canal. La pluralité de données vidéo obtenues par division des données de trame d'une trame et les données audio peuvent ainsi être transmises simultanément.
PCT/JP2012/079003 2011-11-21 2012-11-08 Dispositif d'émission de données, procédé d'émission de données et équipement audiovisuel WO2013077194A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-254404 2011-11-21
JP2011254404 2011-11-21

Publications (1)

Publication Number Publication Date
WO2013077194A1 true WO2013077194A1 (fr) 2013-05-30

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PCT/JP2012/079003 WO2013077194A1 (fr) 2011-11-21 2012-11-08 Dispositif d'émission de données, procédé d'émission de données et équipement audiovisuel

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004088272A (ja) * 2002-08-26 2004-03-18 Victor Co Of Japan Ltd 画像伝送システム
JP2009147894A (ja) * 2007-11-22 2009-07-02 Sony Corp 信号送信装置及び信号送信方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004088272A (ja) * 2002-08-26 2004-03-18 Victor Co Of Japan Ltd 画像伝送システム
JP2009147894A (ja) * 2007-11-22 2009-07-02 Sony Corp 信号送信装置及び信号送信方法

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