WO2001049035A2 - Verfahren zur übertragung und wiedergabe von videodateien - Google Patents
Verfahren zur übertragung und wiedergabe von videodateien Download PDFInfo
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- WO2001049035A2 WO2001049035A2 PCT/EP2000/012833 EP0012833W WO0149035A2 WO 2001049035 A2 WO2001049035 A2 WO 2001049035A2 EP 0012833 W EP0012833 W EP 0012833W WO 0149035 A2 WO0149035 A2 WO 0149035A2
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- WIPO (PCT)
- Prior art keywords
- video files
- video
- playback
- program
- files
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17336—Handling of requests in head-ends
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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]
- H04N21/20—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
- H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by pre-encrypting
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- H—ELECTRICITY
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4143—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
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- 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
- H04N21/4334—Recording operations
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- H—ELECTRICITY
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- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
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- H—ELECTRICITY
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
- H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
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- H—ELECTRICITY
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- H04N7/00—Television systems
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- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Definitions
- the invention relates to a method for the transmission and playback of digitized video files according to the preamble of claim 1.
- the method is provided in particular for the transmission and playback of video files to commercial users and user groups, also called communities, the video files being previously defined by the Users themselves or a program manager assigned to the user group (also called supervisor) have been requested from a provider, hereinafter referred to as provider.
- Compressed video files with a high-quality, professional picture quality can, for example, be in MPEG-2 format - developed by the "Moving Pictures Expert Group", a working group within ISO / IEC-
- Standardization organization - transferred and saved. Since video files in MPEG-2 format contain large amounts of data (at least 4Mbit / s to over 200Mbit / s depending on the image quality and information density), the inventors have used broadband transmission links in previous transmission methods for the transmission of the video files. They are transmitted to a TV satellite and broadcast from there to the broadcasting area in which the users and user groups are located. The broadcast is encrypted. The provider determines which receiving and reproducing devices are authorized to receive a specific video file. Each receiving and reproducing device of a user is assigned a specific identification by means of which the reception can be controlled.
- signals and data for example the files with the list of video files requested by the user from the provider, can be transmitted via communication means with reduced transmission capacity, for example the Internet.
- communication means with reduced transmission capacity for example the Internet.
- the prior art is also known the transmission of files that are reproduced as a picture with polymorphic information on a display, with the integration of all individual files into a file to be transmitted, so that when they are played back specific local data is not additionally, depending on data in the current files that can be displayed.
- a device and a method for the interactive transmission of digitized video files which has a computer as a server with a storage medium, which transmits video files via a coupled digital transmission link to a user computer with a playback device, which can be stored and called up there are.
- the method relates in particular to the home area as a form of video-on-demand, wherein a selection is made interactively online or by e-mail from available video files and the selected files are transmitted to the user for playback. With broadband transmission links, the video files can be played back in real time.
- a system and method for the selective distribution of advertising impressions (commercial messages or commercials for short) via a communication network is described in US Pat. No. 5,515,098.
- participants also transmit selected commercials to the recipient in addition to the requested program based on, in particular, demographic data.
- the files that are individually selected by the user are accordingly assigned commercials that appear relevant to the provider.
- the system is set up in such a way that a program content defined by a receiver is also transmitted exclusively to this one receiver. It is not suitable for processing certain program content (video files with associated advertisements) to a group of users (also known as a community).
- playback controlled by specifications from the server and the incorporation of further program contents into the playback are also not possible here.
- Document US 5,566,353 discloses a system for playing videos in the form of advertising at the point of sale, which enables the transmission of video program segments with an assigned identifier, from a central office to a multiplicity of reception points (retail stores) in one large geographic area.
- the users at the point of halls are able to adapt the video program to target groups or markets by correlating individual statistics of the movement of goods with the reproduced files.
- a device for the delivery of content in the form of video files, in particular commercials, through a control center via communication lines to a large number of users for display on screens of a reception and playback terminal is described in document EP 0 933 941 A2.
- a central system compiles a delivery list with contents that are transmitted to certain terminal systems, which are identified from the large number of users on the basis of specific features such as address and installation location.
- the video files are transmitted via a data line, namely an ISDN line.
- the object of the invention is to provide an inexpensive and very flexible method for the rapid transmission and playback of high-quality digitized video files from a supplier (provider) to a large group of users.
- a supplier provider
- the display of individual content should be permitted to a certain extent.
- the parallel program transmission to a large number of users of the user group should be possible with an individually different program sequence.
- the digital video files are transmitted to receiving and reproducing devices, preferably multi-media personal computers, of those receivers which are authorized to receive by their receiver-specific identification.
- a selection is made from the video files for creating program sequences and stored in a program sequence memory.
- the video files are played according to the program sequence.
- each video file is assigned a header, also called a header, which contains information for controlling the playback of the video file.
- the header can be saved both as part of the MPEG-2 video file and as a separate file assigned to the video file.
- All the information required to play the video file can be stored in the header.
- headers are created in which the music genre, e.g. Classical, rock, soul music.
- the playing time of the video file can also be specified.
- Information about the artist, the title or about copyrights, publishing rights etc. of the music video can also be given.
- a specific file can be assigned to a specific target audience, so that the presentation of this file is preferably carried out on receiving and reproducing devices which are set up in locations which are frequently visited by said target audience.
- the target audience can also be saved in the header.
- the information in the header makes it possible to use a video transmission and playback system from a provider (provider) to operate the reception and playback devices of a wide variety of users for the most varied types of audience. For example, discos, fitness centers, fast food chains, trend shops for young audiences, but also department stores for older audiences can be served at the same time.
- the information contained in the headers can be used to control the playback at the various locations of the receiving and playback devices in a user-specific manner. Even in places with different audiences at different times, for example cinemas that are visited by children in the afternoons and adults in the evenings, the content of the programs played can be tailored precisely to the audience present based on the header information.
- the headers can also be provided with information about the genre, the target audience and, if appropriate, the duration of the video file.
- the content of the film preview it may not be legally permissible to display it to a young audience.
- An age limit of the audience or a time limit for the playback (e.g. only in the evening after 22 ° o'clock) can therefore be inserted in the header. This can be avoided by the header that a video file that is harmful to young people is shown in an inadmissible manner to young audiences.
- the headers can also contain control signals for controlling the reproducing device or other devices which are connected to the reproducing device.
- This possibility is particularly valuable in the preferred form of use of the method according to the invention, in which the provider not only transmits entertainment and information videos, but also promotional videos.
- the advertising video files are preferably assigned to the predetermined program sequence in a manner which cannot be influenced by the recipient or user. In this way, the cost of broadcasting and playing a program, including copyright usage fees, can be largely funded by advertising revenue. In this way, the recipient or user can be offered a high-quality entertainment and information system for a commercial facility (foyer of a cinema, point of sale, sports facility, etc.) at very low cost. In order for the advertising customers to buy advertising times in the system described, it must be ensured that the insertion of advertising into the desired program sequences takes place reliably, so that the provider or provider alone determines the assignment and the user cannot prevent the assignment or display.
- Promotional video files should also contain headers with tax information.
- the playback control can relate, for example, to the volume of the playback system. Whereas music performances often cover a very wide band of the audible frequency spectrum and should be broadcast at a relatively low volume so as not to disturb the audience near the playback device, it makes sense to play back louder reproductions from advertising video files so that they are understandable for everyone. It is also possible to dim the lighting using control signals in the headers in order to emphasize a specific transmission by means of light effects.
- the option of displaying advertisements is also particularly attractive for commercial users of the method offered by the provider.
- Commercial users can insert their own advertising video files into the entertainment program, so that on the one hand the audience does not feel disturbed by permanent advertising presentations, on the other hand information about the products, dishes or services offered at the playback location can be presented in a targeted manner.
- copyright-protected video files such as music videos
- the decryption is carried out by special software provided by the provider in real time at the playback location. This ensures that files with copyrighted content cannot be copied digitally without loss of quality.
- Certain users are interested in determining the program sequence of the displayed video files themselves.
- the user has a software package that enables him to define a program sequence.
- the software package preferably presents an interactive program preview, for example in the case of music videos a list of artists and titles, whereby by selecting a specific title, e.g. a keyboard or a mouse, the title briefly played and a short excerpt from the corresponding music video is shown.
- selection menus with program previews can also include the entire program of the provider, including certain video files that have not yet been stored on the user's storage medium. If the user selects a file that is not yet stored on the memory of his receiving and reproducing device, this device automatically generates a digital data record which is transmitted to the provider, for example via the Internet, and the provider for transmitting those inserted in a program sequence Video file caused to this user.
- the program sequences for a group consisting of several users can be created centrally by a program administrator.
- the program manager can either for the user group, e.g. a chain of restaurants or a retail chain.
- individual users or user groups can also commission the provider to commission a program manager with the creation of programs taking into account the wishes of the individual users or user groups.
- the program sequences are transmitted to the receiving and reproducing devices assigned to the respective users via suitable data connections. conditions, for example the Internet, cable networks or via satellite transmitters.
- the present system should allow the greatest possible flexibility.
- the program manager or the user can create texts that are shown in the presentation.
- the program manager can transfer corresponding user-specific text panels to the receiving and reproducing device of the user and store them there.
- the user can either generate his own text messages or have information that he downloads from the Internet displayed.
- the text overlays can be overlaid on the image as fixed text panels or arranged as scrolling text bars, so-called ticker bars, at the top or bottom of the image. Again, it is not permitted, for example, for advertising or certain music videos, to influence the playback by showing text.
- Corresponding information can be stored in the headers, which deactivates the text display for certain files.
- the present method is also suitable for remote maintenance or online maintenance.
- Corresponding functional information is transmitted from the receiving and playback PCs to the provider.
- log files also called log files
- These log files are preferably transmitted to the provider together with orders for new video files.
- Internal service billing can also be based on the information in the log files.
- the log files are only deleted after confirmation of the successful settlement.
- Another advantage of using headers with file-specific information is the possibility of finding a suitable replacement in the event of the failure of a selected video file. For example, a certain video file in the storage medium of the receiver can be damaged. There is also the possibility that the transmission of a video file to a user of a user group is not successful. If a program sequence is played on a system that requires a video file to be played that is not stored on the hard drive of the playback PC, the stored file can be selected on the basis of the information on the video file and on the basis of the header information of the stored files that is most similar to the missing file. If, for example, a rock song with a duration of 4 minutes and a cycle number of 80 bpm is inserted in the program sequence, then the music video file that also contains rock music with a similar cycle number and a similar length can be selected from the saved files.
- the headers assigned to the advertising video files preferably contain information which controls the playback of these advertising video files, for example the time of the file playback, the target audience, etc.
- An important feature is the ability to have the program manager (supervisor) of a commercial user group (community) change the program compilation if necessary by changing the compilation of the content to be displayed from the totality of the files on the storage medium.
- These new program sequences are addressed and transmitted to the individual receiving and reproducing devices (PCs), so that the existing program memories can be overwritten there or the new programs can also be stored.
- PCs receiving and reproducing devices
- a user can enter e.g. influences the running program via keyboard or mouse in his PC forming the playback device. The user has no influence whatsoever on the advertisements.
- the invention also relates to a digital video data record with a header data record, a so-called header, which contains information for controlling the playback of the video data record.
- Fig. 1 is a comprehensive representation of the method for transmission
- FIG. 2 is a simplified representation of a device that is used in the inventive method.
- FIG. 1 shows a very schematic illustration of an overall view of all the components which interact in the execution of the method according to the invention.
- a central data processing unit 5 with a very large data memory (several gigabytes or terabytes) is shown, which is operated by the supplier of the video files, also called provider.
- the provider has stored all video files in a central data memory that it can offer the users for playback.
- the advertising video files are stored in the central data memory of the provider, which are inserted into the program sequences provided for playback by the provider in order to reduce costs.
- Sufficiently large data memories can either be formed by combining several hard disk drives into one storage unit, as are offered by the company EMC Company.
- the video files can be stored in data archives which comprise a plurality of optical and / or magnetic data carriers which can be inserted into a drive for reading.
- a relatively small file 4 with a program preview is compiled about all video files that are available in the data memory of the data processing unit 5 of the provider, in which e.g. Images or short excerpts of low playback quality inform the user about the content of the individual video files.
- This program preview file 4 is transmitted to a computer 1 of a program manager (also called a supervisor), who compiles a program sequence from the various video files offered.
- the program sequence created by the program manager is stored in a program run memory 9.
- the video files 15 that are actually to be played back are transmitted by the provider 5 via a device 6 for packet-switched data transmission and stored on a storage medium 7.
- the computer 1 of the program manager comprises such a storage medium 7 on which the video files to be played can be stored.
- the video files are stored in encrypted form on the storage medium 7, so that it is not possible to copy them down from the storage medium 7. This ensures that copyrighted files, such as. Music videos, cartoon films etc., may not be reproduced in digital quality without authorization.
- the video files are called up in accordance with the program sequence stored in the program sequence memory and transmitted as encrypted data streams to different playback devices at different playback locations 3 (also called outlet). Since the data streams comprise a large amount of data, which can currently only be transmitted at a sufficient speed and at an acceptable cost via a local data network (Local Area Network or LAN), the computer 1 of the program manager with the storage medium 7 must be arranged near the playback locations 3.
- LAN Local Area Network
- the playback locations 3 and the computer 1 of the program manager may be in different buildings, but must be connected to one another by fast data lines of a LAN. If broadband transmission technologies (eg UMTS) will enable long-distance data connections at low prices, the receiving and storage devices with the storage medium 7 and the playback device can also be spatially separated from one another.
- the playback device comprises a decoder module 13 for decrypting the encrypted video files and a display 12, for example. a picture tube, a TFT or plasma flat screen or a screen with a digitally controlled projector (also called projector).
- the data streams are thus only decrypted directly in front of the display 12 and converted into valuable video signals.
- FIG. 1 shows a user group 2 (also called a commercial community) that the program receives from the provider 5.
- the provider 5 can of course supply other user groups, which are not shown in FIG. 1 for reasons of clarity.
- a playback device with its own storage medium 8 at least one decoder module 13.1 and a plurality of displays 12.2, 12.3 and 12.4 can also be seen .
- the video files 15 are preferably sent via a satellite, so that any number of playback locations which are authorized to receive and store them can simultaneously receive and download (download) the video files 15 from the satellite with a receiving antenna.
- the decoder module 13.1 is preferably common with the local memory medium 8 arranged as modules within a PC at the playback location 3.
- the local storage medium 8 also serves as a program sequence memory, which means that in addition to the video files, files are also stored in which the program sequences are contained. These files can either be created on-site by the user on the PC, which contains the storage medium 8 and the decoder module 13.1. Alternatively, these files can be obtained from a program manager, e.g. on the computer 1, are created and transmitted to the storage medium 8 by remote data transmission. If the program manager works for the provider, the files with the program sequences can be transferred to the local storage medium 8 in a packet-switched manner at the same time as the new video files contained in these program sequences.
- the files with the program sequences can be transmitted to the Internet 1 1 via a data connection with low transmission capacity, for example a modem or ISDN access.
- a data connection with low transmission capacity for example a modem or ISDN access.
- most of the data processing devices (computers) of the system are connected to a data network 11 (Internet) in order to transmit files of small size, such as the program files, to the playback locations 3.
- the PCs located there which form the receiving and playback device, generate log files about the course of the program playback, error messages etc., which are then transmitted over the Internet to the central computer 5 of the provider.
- transmission is also possible via other communication channels (e.g. UMTS or bidirectional satellite transmission systems).
- the advertising video files assigned to the compiled program sequence by the provider are also transmitted in a packet-switched manner and stored on the storage medium 7 or 8.
- the assignment which cannot be influenced by the user, is preferably carried out on the computer at the playback location. Since the video files stored in the storage media 7, 8 are encrypted, they can only be decrypted and played back using special software from the provider. This software can assign promotional videos to the program sequence at the playback location without this being influenced from outside. Alternatively, of course, everyone could Promotional video can be noted in the program sequence. However, it would have to be ensured that the program sequence cannot be influenced by the user. With the aim of the greatest possible flexibility, whereby the user also has the possibility of influencing the program sequences created by the program manager, it is preferable to separate the advertising display from the program creation and to have it carried out by the playback software on the playback device without influence.
- Text generators 10 are also shown in FIG.
- a first text generator 10. 1 is assigned to the program manager 1.
- a second text generator 10.2 is assigned to the PC at the playback location 3 with the local storage medium 8.
- customer-specific texts e.g. with information about the city in which the playback location is located or current information, e.g. can be called up via the Internet and displayed as text overlays.
- the text overlays can either be shown between the video files or can be shown on the display 12 at the same time as the video files. You can fill a large part of the display 12 as text panels or run as scrolling text only on a narrow strip of the display 12.
- the text overlays can either be superimposed on the encrypted video files, whereby they must also be encrypted. They can also be superimposed directly on the display 12 of the decrypted analog or digital video signal.
- the playback of files is controlled as a function of the file information integrated in a header 14, which the provider 5 assigns to the transmitted video files 15.
- the header 14 also contains information about decoding, specifications for specific playback times, the permitted audience (FSK), deletion instructions and further specific information about the content of the files themselves.
- the header 14 is assigned to each video file 15 when it is revised by the provider , whereby the files are also encrypted according to a special algorithm of the provider. 2 shows the technical facilities of another embodiment of a device for carrying out the method according to the invention.
- the large central data memory 16 is shown, which contains all the available video files.
- the central data processing unit 5 is connected via a data line 17 with a large transmission capacity to the device 6 for packet-switched data transmission.
- said device 6 is the control computer of a satellite transmission system, which transmits the data to be transmitted via a transmitting antenna to a satellite 19, which transmits the data to a reception area in which all users of the system shown are located.
- the encrypted video files are broken down into packets by the data transmission device 6, transmitted to the satellite 19 and broadcast by the latter.
- the broadcast video files are received via receiving antennas 20, which are each assigned to a receiving and reproducing device 21 located at the playback location.
- Each receiving and reproducing device 21 comprises a local storage medium 8 for transmitted video files and an arithmetic unit 22 which controls the storage of the received data, the reproduction of the data in accordance with a program flow file and the decryption of the stored encrypted video files.
- Each receiving and reproducing unit is preferably integrated into the housing of a personal computer and comprises a conventional motherboard with a CPU and required multimedia cards for generating high-quality video output signals.
- the data can be encrypted and decrypted either by the CPU itself using suitable software or on special plug-in cards which are assigned to the computing unit 22 of each receiving and reproducing device 21.
- Each receiving and reproducing device comprises at least one display 12 which is connected to a video output of the receiving and reproducing device 21.
- the connection can either be via a data line or a radio transmission device, for example works according to the BLUETOOTH process.
- the PC shown on the right, which forms a receiving and reproducing device 21, comprises two separate video outputs which are connected to two different displays 12.
- the high-quality PCs of the latest design, with suitable multi-media plug-in cards, are able to read out several video data streams simultaneously from the hard disk, ie the local storage medium 8, to decrypt them and to output them on various displays 12.
- the three reception and playback devices shown on the left which can be arranged at different playback locations in a building, but also in different buildings, even in different cities or countries, belong to a uniform user group 2 ', which is a sub-group of the total users of the described Systems forms.
- the program sequences for this user group 2 ' can - as mentioned - be created centrally by a program manager. 2 shows a computer 1 'of a program manager commissioned by the provider. Program sequences for the users of user group 2 'are created on this computer using the program preview file described above.
- New program sequences are transmitted to the data transmission device 6 via a data line 23.
- the new program sequences, together with the new video files mentioned here, are transmitted via the data transmission device 6 and the satellites 19 to the receiving and reproducing devices 21 of the users of the user group 2 '.
- Both the program sequences and the new video files are stored in each local storage medium 8 of each receiving and reproducing device 21.
- the program sequence is activated, the corresponding video files are read out from the local storage medium of each receiving and reproducing device, decrypted and reproduced on the display 12.
- the reception and reproduction device 21 of an individual user shown on the right which is not assigned to the user group 2 ', can be used on site to create the program sequences.
- a user can order a program sequence from the program manager, which he can then change or supplement as he wishes.
- both the program sequences transferred by the program administrator and the programs created or modified by the user should Gram sequences are assigned to advertising insertions, so that the costs for the provision, transmission and reproduction of the program sequences created can be reduced to a minimum by the advertising fees.
- each header 14 contains information about properties of the file, for example whether it is a music video, an instructional film, a feature film, a cinema preview, etc.
- properties of the file for example whether it is a music video, an instructional film, a feature film, a cinema preview, etc.
- the music genre the number of measures and similar information is also written in the header.
- film previews for example, the film genre, the addressed audience and any content-related age restrictions and time restrictions on the broadcasting of the video file 15 are stored.
- control commands can be contained in the header 14, which, for example, enable or block the display of additional information such as texts for video files.
- control commands for the volume with which the audio track of the video file 15 is reproduced may be present.
- Control commands for external devices for example the lighting at the installation site of the display 12, can also be present. If the installation site is, for example, a discotheque, the program sequence can be effectively coupled with the controllable lighting device of the discotheque.
- an MPEG-2 file comprises a video display with a length of several minutes, several megabytes, usually over 100 megabytes of data.
- the control information of the header which is filed, for example, as text, fits into a file of a size of a few kilobytes, even with an amount of information of 30 to 50 DIN A4 pages.
- the size of the header compared to the size of the entire video file will therefore certainly be less than 1%.
- the header 14 does not necessarily have to be part of the video file 15 itself. It is also possible for the header 14 to be stored together with the video file 15 as a separate file.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU52118/01A AU5211801A (en) | 1999-12-15 | 2000-12-15 | Method for transmitting and replaying video data |
EP00993134A EP1243140A2 (de) | 1999-12-15 | 2000-12-15 | Verfahren zur übertragung und wiedergabe von videodateien |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999160454 DE19960454A1 (de) | 1999-12-15 | 1999-12-15 | Verfahren zur Übertragung und Wiedergabe von Videodateien |
DE19960454.1 | 1999-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001049035A2 true WO2001049035A2 (de) | 2001-07-05 |
WO2001049035A3 WO2001049035A3 (de) | 2001-11-22 |
Family
ID=7932736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/012833 WO2001049035A2 (de) | 1999-12-15 | 2000-12-15 | Verfahren zur übertragung und wiedergabe von videodateien |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1243140A2 (de) |
AU (1) | AU5211801A (de) |
DE (1) | DE19960454A1 (de) |
WO (1) | WO2001049035A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10331154A1 (de) * | 2003-07-07 | 2005-02-10 | Hünig, Veit | Verfahren und eine Anordnung zur Bereitstellung eines weltweiten TV- und/oder Video-Netzwerkes |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5625864A (en) * | 1994-05-25 | 1997-04-29 | Budow; Harry S. | Interactive digital video services system with store and forward capabilities |
US5761601A (en) * | 1993-08-09 | 1998-06-02 | Nemirofsky; Frank R. | Video distribution of advertisements to businesses |
EP0933941A2 (de) * | 1998-01-31 | 1999-08-04 | Ricoh Company | Automatisches Multimediadatenlieferungssystem |
WO2000051310A1 (en) * | 1999-02-22 | 2000-08-31 | Liberate Technologies Llc | System and method for interactive distribution of selectable presentations |
-
1999
- 1999-12-15 DE DE1999160454 patent/DE19960454A1/de not_active Withdrawn
-
2000
- 2000-12-15 AU AU52118/01A patent/AU5211801A/en not_active Abandoned
- 2000-12-15 WO PCT/EP2000/012833 patent/WO2001049035A2/de not_active Application Discontinuation
- 2000-12-15 EP EP00993134A patent/EP1243140A2/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5761601A (en) * | 1993-08-09 | 1998-06-02 | Nemirofsky; Frank R. | Video distribution of advertisements to businesses |
US5625864A (en) * | 1994-05-25 | 1997-04-29 | Budow; Harry S. | Interactive digital video services system with store and forward capabilities |
EP0933941A2 (de) * | 1998-01-31 | 1999-08-04 | Ricoh Company | Automatisches Multimediadatenlieferungssystem |
WO2000051310A1 (en) * | 1999-02-22 | 2000-08-31 | Liberate Technologies Llc | System and method for interactive distribution of selectable presentations |
Non-Patent Citations (1)
Title |
---|
ATZORI L ET AL: "MULTIMEDIA INFORMATION BROADCASTING USING DIGITAL TV CHANNELS" IEEE TRANSACTIONS ON BROADCASTING,IEEE INC. NEW YORK,US, Bd. 43, Nr. 4, Dezember 1997 (1997-12), Seiten 383-392, XP000834832 ISSN: 0018-9316 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10331154A1 (de) * | 2003-07-07 | 2005-02-10 | Hünig, Veit | Verfahren und eine Anordnung zur Bereitstellung eines weltweiten TV- und/oder Video-Netzwerkes |
Also Published As
Publication number | Publication date |
---|---|
AU5211801A (en) | 2001-07-09 |
DE19960454A1 (de) | 2001-07-12 |
EP1243140A2 (de) | 2002-09-25 |
WO2001049035A3 (de) | 2001-11-22 |
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