WO2021223819A2 - Système et boîtier système pour recevoir des flux vidéo - Google Patents

Système et boîtier système pour recevoir des flux vidéo Download PDF

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Publication number
WO2021223819A2
WO2021223819A2 PCT/DE2021/100429 DE2021100429W WO2021223819A2 WO 2021223819 A2 WO2021223819 A2 WO 2021223819A2 DE 2021100429 W DE2021100429 W DE 2021100429W WO 2021223819 A2 WO2021223819 A2 WO 2021223819A2
Authority
WO
WIPO (PCT)
Prior art keywords
system box
video stream
box
connection
video
Prior art date
Application number
PCT/DE2021/100429
Other languages
German (de)
English (en)
Other versions
WO2021223819A3 (fr
Inventor
André Froelian
Original Assignee
Froelian Andre
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 Froelian Andre filed Critical Froelian Andre
Publication of WO2021223819A2 publication Critical patent/WO2021223819A2/fr
Publication of WO2021223819A3 publication Critical patent/WO2021223819A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268—Signal distribution or switching
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server
    • 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
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • 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 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
    • H04N21/6408—Unicasting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Definitions

  • the invention relates to a setup and a method for transmitting a video stream in for purposes of film post-production, the video stream from a film editing studio to be sent directly to a viewer.
  • the invention enables an available, user-friendly, studio-level assessment option with a high level of security and verifiable color fastness.
  • Video image processor in the production of film products such as films, comics, series, television programs or advertisements, e.g. B.
  • Digital colorists rely on direct feedback from decision-makers, those responsible or clients, e. B. the cameraman or director. They have to assess the scenes edited by the editors.
  • the processor also has no influence on the type of monitor at the decision maker, so he cannot be sure that the decision maker sees exactly what he should see and that both may not be talking about the same thing when they are supposed to assess something.
  • the system box according to the invention with the features of the independent claim offers the possibility of CO2 savings.
  • the invention also has the advantage that handling is significantly easier for the user, since software-based configuration and integration into the customer's network takes place automatically and can be omitted as a result.
  • the system box for point-to-point reception of a video stream which is preferably, but not necessarily, sent from a studio, comprises the following components: a computer, a decoder, a receiving unit for data transmission, a video connection for a display device, a monitor Calibration box (LUT box) and a power supply. Furthermore, the system box is preconfigured to operate a data connection to the studio and to transmit the video stream.
  • the components are designed to receive, process and output at least one video stream in full HD, with 10 bit color depth and 4: 2: 2 color subsampling, and to output it on the video connection.
  • the receiving unit for the data transmission has at least one device from the following list: mobile radio transmission device, LTE mobile radio transmission device, WLAN transmission device and / or Ethernet connection.
  • the data connections to the components run within the system box via a network switch.
  • the components are connected to a collector for the power supply.
  • the power supply can be connected to the collector.
  • the computer has software for remote diagnosis / maintenance.
  • the LTE perpetrator has the option
  • system box is preconfigured in such a way that after the system box is switched on, the data connection to the studio is established without further user interaction.
  • the output of the video stream on the video connection is also started.
  • a secured VPN tunnel is set up after switching on, which only allows the video stream to be received with the correct access data.
  • the system according to the invention for viewing a video stream with the features of the independent claim has the advantage of a package delivery including a suitable display device which is matched to the configuration of the system box.
  • the system for viewing a video stream comprises a system box, as described, and a color-calibrated reference monitor.
  • all that is required to start up the system is to connect the reference monitor to the monitor power supply and the video connection of the system box, and to connect the power supply to the system box and supply it with power. Then the system box and, if necessary, the reference monitor must be switched on.
  • the system according to the invention for transmitting a video stream with the features of the independent claim has the advantage that a pre-configured delivery can be made for both sides, that is to say the studio and the recipient.
  • the video stream transmission system comprises a system for viewing a video stream, as described, a system for sending a video stream with an encoder which encodes the video stream to match the decoder.
  • a mobile radio transmission unit for sending the video stream is also included.
  • receiver boxes can also be provided, which can be used in parallel with different decision makers in the case of application.
  • point-multipoint streaming such as with Vimeo or YouTube
  • SRT Simple Reliable Transport
  • the decisive factor for use in certain industrial areas with increased security rules is the security of having a real point-to-point stream. Because only controlled approved viewers can see the stream. Furthermore, the possibility to encrypt the signal twice with 256bit and to know the location of the node for stream bundling in a secure, licensed environment within Germany is a special feature.
  • FIG. 1 shows a system and a system box for video stream transmission
  • a system box 2 comprises at least one computer 23 for controlling the system box 2, a decoder 24 for decoding the video stream and a receiving unit 21.
  • the network switch 22 and collector 25 components for the power supply provided for additional embodiments are also shown .
  • the receiving unit 21 is responsible for the data connection that is established between the system box 2 and the studio.
  • the studio is presently a source for the video stream, which z. B. in the studio of a colorist, film producer, photographer or video editor.
  • the receiving unit 21 can have an interface to a mobile data service provider (mobile radio network), a mobile radio transmission device.
  • a mobile data service provider mobile radio network
  • This has the advantage that a mobile data connection is widely available and does not require any adjustments to the infrastructure and Internet peripherals at the customer / operator (decision maker) on site.
  • An access authorization can already be integrated in the system box 2, in particular an activated, functional SIM card with preconfigured access data. These are stored either in the computer 23 or directly in the receiving unit 21.
  • the mobile radio transmission device can use the LTE transmission standard and thus form an LTE mobile radio transmission device.
  • the receiving unit 21 can comprise a WLAN transmission device which uses a data connection via an access at the customer / user of the system box 2.
  • a WLAN transmission device which uses a data connection via an access at the customer / user of the system box 2.
  • Autarkic use with only publicly accessible networks is no longer guaranteed, but faster data transmission may be made possible via the customer network. To do this, it is not uncommon for the system box to be given access data. This can be done via an input interface, customer-specific preconfiguration or other mechanisms. If necessary, the automated use of open (non-restricted) WLANs is conceivable, in which no access data would have to be entered and the simplicity of the other access options described preserved.
  • the receiving unit 21 can have an interface to an Ethernet connection. This usually includes an interface for plugging in a patch cable, which can be connected to a network access (switch, hub) of the customer.
  • a network access switch, hub
  • a network switch 22 is optionally located within the system box 2, in particular when more than 2 components have to be connected or communicate by means of patch cables.
  • the lines that are shown in the figure between the components within the system box 2 designate data connections that can be implemented with patch cables, in particular when using commercially available components.
  • the computer 23 runs through a boot process after the system box 2 is switched on and takes over the initialization of the components, in particular the receiving unit 21 and the decoder 24, the establishment of the data connection to a studio using the data preconfigured in the computer 23, and the transmission of the video stream from the receiving unit 21 to the decoder 24.
  • the computer 23 can, for. B. be a Linux minicomputer with network connection and USB plugs.
  • the decoder 24 takes over the decoding of the video stream and outputs the decoded video signal via a video connection 11 for a display device.
  • This video connection 11 can be, for example, a BNC cable or an HDMI connection.
  • This video connection can be routed directly out of the system box 2 as a cable or it can be implemented via a connection socket on the housing of the system box 2 for an extra connection cable between the system box 2 and a reference monitor 1.
  • the components in the system box 2 must be supplied with power and are connected to a collector 25 for power supply.
  • a collector 25 for power supply This can be a conventional connector strip that is attached inside the housing.
  • the cables for the power supply of the components within the system box 2 are not shown. Basically, there is a power supply cable starting from each component, which leads to the collector 25.
  • the power supply 13 of the system box 2 takes place via a connection or connection cable that connects the system box 2 to the public power grid.
  • the power cord of the connector strip can be led out of the housing for this purpose and have a plug for connection to a socket.
  • a rechargeable battery can also be provided for power supply, not shown here.
  • FIG. 1 also shows a system which, in addition to the system box 2, also has a reference monitor 1 that can be precisely calibrated with the aid of an LUT box 29.
  • the reference monitor 1 is usually supplied by the studio together with the system box 2 as a package and is color-calibrated and measured. Thus, color authenticity is guaranteed between the studio (processor) and the customer (decision maker), as all components on the transmission path were configured and coordinated by one hand. It is provided that the video connection 11 is connected to the reference monitor 1 and the
  • a socket or other suitable connection must be provided on the system box for this. If necessary, access to the connector strip can also be made possible by means of a suitable structural arrangement. This means that the reference monitor 1 can be switched on at the same time as the system box 2 is switched on.
  • the use of a color-calibrated monitor provided by the customer, which is connected to the system box 2 supplied by the studio, is also conceivable.
  • the system box 2 alone is smaller and lighter and therefore easier to send.
  • uncalibrated PCs or iPads can be integrated into the secure streaming tunnel and blocked again.
  • the system enables color-critical film approvals by the decision maker.
  • the video stream is generated with an encoder suitable for decoder 24. This is then sent in such a way that the preconfigured receiving unit 21 can receive it.
  • the start of the video stream can begin after the system box 2 has been switched on and a data connection has been established with the studio.
  • system box 2 Since the system box 2 is sent from the studio or on behalf of the operator, it can be done at the factory or by the operator of the studio, the configuration, i.e. access data such as IP, URL, passwords, certificates, can be made in system box 2.
  • the operator of the system box 2 does not have to configure the system of his own and thus has an easy-to-use system. He only has to connect the power supply 13 and the video connection 11, as well as the monitor power supply.
  • a switch is e.g. B. attached to the back of the system box 2 and can be pressed.
  • the switch of a connector strip which forms the collector 25 can be mounted so that it is accessible from the outside.
  • a video stream that meets the requirements for film editing today would have full HD (1920x1080 px), with 10 bit color depth and 4: 2: 2 color subsampling and an H265 coding. Because of the internet capacity and the lack of 4K reference monitors, the quality is limited to HD resolution (1920x1080) anyway. An extension to 4K (4096x2160) also in HDR (high dynamic ranks) is possible.
  • the computer 23 can also software for
  • the video stream sent by the studio can also be viewed at other locations via the Internet. Provided they are integrated into the VPN tunnel connection.
  • the system in connection with the broadcast system in the studio forms a video stream transmission system (not shown).
  • the broadcast system in the studio is designed to encode a video stream with an encoder that is suitable for the decoder 24.
  • a mobile radio transmission unit is set up to set up a data connection to the system box 2. Both participants can be preconfigured for this.
  • the transmission system can send the video stream via this data connection.
  • the mobile radio transmission unit can be an LTE router.
  • the video stream transmission system on both sides (studio and decision maker) is designed with a connection via mobile radio, it is also independent of the Internet peripherals in the studio. This means that a complete system for studios and decision-makers can be supplied that is independent of any Internet access for the participants.
  • FIG. 2 shows a transmission system 28 with return reception, which can be used in the studio or in a mobile version, for example in the home office of a colorist, in order to encrypt and send the video stream for the system box according to FIG.
  • the transmission system 28 accordingly has an encoder 26 which is designed to encrypt the transmission signal.
  • the encoder has an input for the material to be encrypted.
  • the encoder is connected to a dispatch unit 27 and a computer 23 via a network switch 22.
  • the transmission system 28 is in the application with a Monitor 1, which has an input for the material to be encrypted and is also connected to the computer 23 (preferably with a keyboard and mouse). In order to be able to completely ensure that the material sent from the studio actually matches that received by the system box according to FIG.
  • the transmission system 28 preferably also has a device for receiving the streaming signal back.
  • This includes a receiving unit 21 for receiving the material sent via the shipping unit 27.
  • the received material is forwarded to a decoder 24, which is designed to decrypt the signal encrypted by the encoder 26 and to output it to a monitor 1.
  • the return receipt represents a reassurance that the material sent by the sending system 28 matches the material received by the system box according to FIG. 1.
  • the incoming video signal is checked with a waveform measuring device which is built into the monitor.
  • a collector 25 for supplying power to all components is also provided in the transmission system 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un boîtier système pour recevoir un flux vidéo, le flux vidéo étant émis depuis un studio. L'invention est caractérisée en ce que le boîtier système comprend au moins les éléments suivants : un ordinateur; un décodeur; une unité de réception pour le transfert de données; une connexion vidéo pour un appareil d'affichage; un boîtier de calibrage de moniteur (LUT Box) (29) et une alimentation en courant, le boîtier système étant préconfiguré pour faire fonctionner une liaison de données point-à-point avec le studio et assurer la transmission du flux vidéo.
PCT/DE2021/100429 2020-05-08 2021-05-10 Système et boîtier système pour recevoir des flux vidéo WO2021223819A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202020102590.2 2020-05-08
DE202020102590.2U DE202020102590U1 (de) 2020-05-08 2020-05-08 System und Systembox zum Empfangen von Videostreams

Publications (2)

Publication Number Publication Date
WO2021223819A2 true WO2021223819A2 (fr) 2021-11-11
WO2021223819A3 WO2021223819A3 (fr) 2022-03-24

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ID=71132295

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Application Number Title Priority Date Filing Date
PCT/DE2021/100429 WO2021223819A2 (fr) 2020-05-08 2021-05-10 Système et boîtier système pour recevoir des flux vidéo

Country Status (2)

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DE (1) DE202020102590U1 (fr)
WO (1) WO2021223819A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020102590U1 (de) * 2020-05-08 2020-06-05 André Froelian System und Systembox zum Empfangen von Videostreams

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0821104A2 (pt) * 2007-11-30 2015-06-16 Sharp Kk Dispositivo de recepção de transmissão
EP3357227A1 (fr) * 2015-10-02 2018-08-08 VID SCALE, Inc. Correction de couleur avec une table de consultation
DE202020102590U1 (de) * 2020-05-08 2020-06-05 André Froelian System und Systembox zum Empfangen von Videostreams

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WO2021223819A3 (fr) 2022-03-24

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