EP1159825A1 - Elimination des listes redondantes dans un guide de programmes electronique et systeme a cet effet - Google Patents

Elimination des listes redondantes dans un guide de programmes electronique et systeme a cet effet

Info

Publication number
EP1159825A1
EP1159825A1 EP00915929A EP00915929A EP1159825A1 EP 1159825 A1 EP1159825 A1 EP 1159825A1 EP 00915929 A EP00915929 A EP 00915929A EP 00915929 A EP00915929 A EP 00915929A EP 1159825 A1 EP1159825 A1 EP 1159825A1
Authority
EP
European Patent Office
Prior art keywords
television
channel
duplicate
merged
television station
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP00915929A
Other languages
German (de)
English (en)
Inventor
Peter Christopher Schoaff
James A. Rallis
Jonathon Sutton
Guy Fisher
Klaus Renner
Wensdy Whitehead
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Index Systems LLC
Original Assignee
Index Systems LLC
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 Index Systems LLC filed Critical Index Systems LLC
Publication of EP1159825A1 publication Critical patent/EP1159825A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • 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
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H04N21/4823—End-user interface for program selection using a channel name

Definitions

  • This invention relates generally to television systems, and more particularly, to television systems with electronic program guides without redundant program listings.
  • EPGs electronic program guides
  • Such EPGs may further receive guide data relating to a number of different television signal sources, such as over-the-air (OTA) broadcast, cable, and satellite.
  • OTA over-the-air
  • the guide data associated with the different signal sources may then be merged into a single EPG.
  • One consequence of multiple signal sources is that two or more sources may carry an identical
  • both cable and satellite sources may carry a local NBC station.
  • Displaying duplicate program guide information associated with multiple sources may unnecessarily clutter the guide, making it even more difficult to find a desired program listing.
  • the present invention comprises a system and method for providing a television system with a merged EPG with redundant program listings eliminated.
  • eliminating redundant program listings from the EPG includes receiving EPG data including program scheduling information of television programs telecast from the various signal sources.
  • Such signal sources may include OTA broadcast, cable, satellite, and the like.
  • the system further receives channel mapping information for each of the signal sources.
  • the channel mapping information relates television channels to television
  • the system creates a merged channel map based on the channel mapping information with any duplicate television station listings removed.
  • the channel mapping information includes listings of television channels and their associated channel identifiers. Duplicate television station listings are therefore identified by identifying duplicate channel identifiers. ⁇ -- According to one aspect of the invention, duplicate television station listings are eliminated based on a priority associated with the signal source carrying the duplicate television station. For instance, priorities may be given based on the number of channel listings associated with a particular signal source.
  • duplicate television station listings are provided.
  • the quality may relate, for example, to the signal quality or a perceived noise created by a source.
  • FIG. 1 is a schematic block diagram of an interactive television schedule system including 2-r a television and a cable box according to one embodiment of the invention
  • FIG. 2 is a more detailed schematic block diagram of the cable box of FIG. 1 ;
  • FIG. 3 is a more detailed schematic block diagram of the television of FIG. 1 ;
  • FIG. 4 is a schematic block diagram of the television system of FIG. 1 operating under the control of a coordinator;
  • FIG. 5 is a schematic block diagram of a channel map selection packet and channel map packets;
  • FIG. 6 is a schematic block diagram of a plurality of source map packets
  • FIG. 7 is a schematic layout diagram of a merged channel map
  • FIG. 8 is a schematic block diagram of a merging system separate from the television ⁇ system of FIG. 1 ;
  • FIG. 9 is an illustration of a merged EPG screen displayed on the television system of FIG. 1.
  • the present system and method is directed to an interactive television schedule system having a television apparatus equipped with an interactive electronic program -- guide (EPG) that will allow elimination of redundant information from the EPG display.
  • EPG electronic program -- guide
  • FIG. 1 is a schematic block diagram of an interactive television schedule system
  • the system includes a television 50 and a VCR 15 receiving input from a cable box 20 and an IRD box 25.
  • a user of the television system 10 may subscribe to and receive television programs ⁇ r s broadcast from various television signal sources.
  • EPG data with program scheduling information is also transmitted to the television system 10 by one or more of these signal sources.
  • EPG data may be provided via cable through the cable box 20 and/or via Direct
  • EPG data may also be received via OTA broadcast through an antenna 35 coupled to the television 50.
  • the data may be ⁇ -- transmitted through other inputs 30 such as conventional satellite systems, coax cables, telephone lines, and fibre optic cables.
  • the television 50 is configured with an interactive EPG 45 for displaying a merged television schedule information of television programs broadcast from the various signal sources and subscribed to by the user.
  • the user interacts with the television 50 and EPG 45 via a viewer 20 input device 40, preferably taking the form of an IR remote control 40, according to conventional methods.
  • a viewer 20 input device 40 preferably taking the form of an IR remote control 40, according to conventional methods.
  • Other viewer input devices 40 might also be utilized, such as a keyboard, keypad, joystick, mouse, track ball, touch pad, and the like.
  • FIG. 2 is a more detailed schematic block diagram of the cable box 20 of FIG. 1 for providing EPG data to the television system 10.
  • the cable box 20 ⁇ r includes a processor 60 and a memory 65.
  • the memory 65 of the cable box 20 stores software
  • the memory 65 also stores the EPG data itself.
  • the EPG data is preferably stored in a memory of the television 50 unit as is described below in conjunction with FIG. 3.
  • the memory 65 may further store data related to the viewer's profile and the like. In one - 3 0 embodiment of the invention, a portion of the data stored in the memory 65 is obtained via the
  • FIG. 3 is a more detailed schematic block diagram of the television 50 of FIG. 1.
  • a source of television signals 100 such as the antenna 35, cable box 20, IRD ⁇ box 25, or other inputs 30 carrying the television signals is connected to a television tuner 105.
  • the output of the tuner 105 is a modulated intermediate frequency signal 110 containing video and audio television information.
  • the tuner 105 is connected by an intermediate frequency
  • IF AMP IF AMP
  • PICTURE DET picture detector
  • SOUND DET sound detector
  • the audio signal is coupled by a sound amplifier (SOUND AMP) 125 to a loudspeaker 130.
  • the video r signal is coupled by a video amplifier (not shown) to one input of a switch 135.
  • the sound detector 120 and picture detector 115 are connected to the audio and video inputs, respectively, of the VCR 15.
  • television signal source 100 could be directly connected to the RF input of the VCR 15 if its internal tuner and demodulating circuitry is to be utilized.
  • the output of the VCR 15 is connected to the other input of the switch 135.
  • the output ⁇ o of the switch 135 is connected to one input of a conventional picture-in-picture (PIP) integrated circuit chip 140.
  • PIP picture-in-picture
  • the output of the PIP chip 140 is connected to the video input 142 of the television 50 for display on a television screen (not shown).
  • the television 50 illustrated in FIG. 3 includes an EPG memory 145 for storing updatable databases of EPG data including the merged ⁇ c television program schedule information and information relating to news, sports, and local events and businesses.
  • the databases may be updated in any one of many conventional methods, including by a continuous data link in the vertical blanking interval (VBI) of a television channel broadcast to the television system 10.
  • VBI vertical blanking interval
  • the EPG memory 145 is connected to a microprocessor 150 that is programmed to control
  • the viewer input device 40 is coupled to the microprocessor 150 to provide commands from the viewer and interact with the EPG.
  • a video processor 160 is coupled to microprocessor 150. When the viewer wishes to see
  • the microprocessor 150 recalls a portion of the relevant data from the EPG memory 145 and couples it to video processor 160, where the program listings are formatted for display.
  • the information stored in the video processor 160 is a bit map of what is displayed on the screen of television 50.
  • the video processor 160 is further connected to the other input of the PIP chip 140.
  • the viewer input device 40 controls the microprocessor 150 by cursor movement on the screen of the television 50.
  • microprocessor 150 and video processor 160 are coupled to a cursor position register 165.
  • the viewer can select items of information displayed on the screen by selecting particular keys on the viewer input device 40.
  • a VBI decoder 111 positioned at the output of the tuner 105 extracts data detected in the o VBI and couples that data to the microprocessor 150 for processing.
  • the VBI lines transmit channel mapping information for relating channel numbers to television stations available to the user.
  • the microprocessor 150 includes a channel mapping function that examines the channel mapping information and downloads the channel maps applicable to the user.
  • television program schedule information is stored in a program schedule database of the EPG memory.
  • the program schedule database preferably includes the EPG data of television programs broadcast by the signal sources.
  • the EPG data corresponding to these signal sources is then used to create a merged EPG guide for display on the television screen.
  • the merged EPG guide includes the program schedules of the television programs
  • the various sources for a prescribed period of time, e.g. a day or a week.
  • program listings typically include for each program the title, a program description, the day of the week, the start time of the day, the program length, and the channel on which the program is transmitted and thus available for reception at source 100.
  • the period of time for which the program listings are stored is different for the guides. ⁇ - depending upon viewer priorities and preferences. For example, the information may be stored for one or two days, or for a week or more.
  • Information relating to news stored in a news database of the EPG memory 145 includes but is not limited to new categories, news headlines, articles relating to the news headlines, graphical images associated with the articles, and links to television programs, Internet websites,
  • Information relating to sports stored in a sports database of the EPG memory 145 includes but is not limited to sporting categories, sporting events in each sporting category, team information, scores, statistics, point spreads, and links to television programs, video clips, Internet websites, news articles, and local guide information associated with a sporting event.
  • 2-r Information relating to local events, businesses, products, and services (hometown information) stored in a hometown database of the EPG memory 145 include but is not limited to categories of such hometown information (e.g. movies, theater, restaurants), description of the hometown information, business, addresses, telephone numbers, graphical images related to the hometown information, and links to television programs, Internet websites, and news articles.
  • the links to television programs stored in the news, sports, and hometown databases include channel, date, time, and length information of a linked television program, or a pointers to an entry of such a program in the program schedule database.
  • the links to Internet websites include URL information to particular web pages.
  • the links to news articles and local guide information include pointers to such entries in
  • FIG. 4 is a schematic block diagram of the television system 10 of FIG. 1 operating under the control of a coordinator 200.
  • the coordinator 200 in the embodiment illustrated in FIG. 4 is depicted as a stand alone unit, the coordinator may, in alternative embodiments, be placed in the cable box 20, VCR 15, television 50, IRD box 20, or another device in communication with the television.
  • the coordinator 200 includes a processor (CPU) 202 and memory (RAM) 204.
  • the channel mapping function is preferably stored in the CPU 202 instead of the microprocessor 150 of the television 50.
  • the memory 204 preferably stores the EPG data instead of the television's EPG memory 145.
  • the coordinator 200 is connected to and controls an infrared (IR) emitter(s) 206.
  • An IR ⁇ o receiver 208 connected to the coordinator 200 receives input from the viewer input device 40.
  • the IR emitter(s) 206 may be replaced by a bus interface, an RF transmitter, or the like.
  • the IR emitter(s) 206 controls one or more of the IRD box 25, television 50, VCR 15, cable box 20, and other inputs 30.
  • the IR emitter 206 preferably acts as a remote control ⁇ ⁇ - device by emulating remote control signals of the television 50, VCR 15, cable box 20, and/or other devices.
  • the viewer input device 40 also includes an IR transmitter 210 that controls the coordinator 200 via the IR receiver 208. Although, the coordinator 200 preferably performs all the necessary control functions of the system, the viewer input device 40 may work with the
  • one or more television signal sources provide EPG data including television schedule information to the television system 10.
  • One or more of these sources also provide channel mapping information for relating television stations to their respective channel allocations.
  • 2-r mapping information is transmitted over one or more designated television stations known as physical hosts.
  • the channel mapping information transmitted by each physical host preferably includes the channel maps for most or all the television services carrying that physical host.
  • each channel map is a channel map identifier (ID) that uniquely identifies the channel map applicable to each television service subscribed to by the user of the television
  • Each channel map ID preferably corresponds to a zip code or group of zip codes because viewers in the same local geographic area generally receive the same OTA broadcast or subscribe to the same cable provider. Thus, a unique channel map ID may be provided for the channel map corresponding to a particular cable company servicing a particular zip code. A different channel map ID may be provided for the channel map corresponding to the OTA c channels available in the same zip code.
  • the user In determining the channel maps applicable to the user's television system, the user is asked during an initial setup process to input his or her zip code. The user is further asked to enter information about all the television services (signal sources) to which he or she subscribes. For instance, the user may be asked whether he or she has a cable box 20 and/or an IRD box 25, and may further be asked to provide information about any other television signal source being
  • the channel mapping function causes the coordinator 200 to scan through the channels to locate a channel map selection packet preferably transmitted in the VBI portion of a television signal.
  • the channel map selection packet preferably transmitted in the VBI portion of a television signal.
  • the coordinator 200 identifies the channel map ID corresponding to the zip code and signal source entered by the user. If only one channel map ID is identified for the zip code/signal source combination, the coordinator downloads the channel map corresponding to the identified channel map ID. If more than one channel map ID is identified for the combination, the user preferably selects the channel map
  • the selection is automatic based on information gathered during the channel scan.
  • FIG. 5 is a schematic block diagram of a channel map selection packet 230 and channel map packets according to one embodiment of the invention.
  • Both channel map selection packets 230 and channel map packets 232 include a start code 234 and a stop code 236, respectively
  • Each packet further includes a packet type code 238 identifying whether the packet is a channel map selection packet 230 or a channel map packet 232.
  • the channel map selection packet 230 further includes channel map selection information 240 relating channel map IDs 242 to one or more zip codes 244 and signal sources 245.
  • the coordinator 200 next searches the remaining blocks of data for the start code 234, stop code 236, and data packet code 238 of the channel map packets 232. For each identified channel map packet 232, the coordinator 200 further examines a channel map ID code 246 for determining whether it corresponds to the channel map ID for the user's zip code and signal
  • the coordinator 200 downloads to its memory 204 a channel map 248 with a channel lineup information.
  • the coordinator 200 preferably downloads the channel map for each signal source.
  • correlation of call letters of television stations e.g. NBC, HBO, etc.
  • particular television channel numbers for creating a channel lineup is done using the channel maps 248 in conjunction with one or more source maps.
  • -- channel map 248 identifies a list of television channel numbers 250 with a channel identifier 252 composed of a source ID 252a and a reference number referred to as a guide channel number 252b.
  • the source ID 252a identifies a source map with station call letter information.
  • the guide channel number 252b identifies a reference number to one of the station call letters in the source map.
  • the coordinator downloads each of the source maps indicated in the
  • FIG. 6 is a schematic block diagram of a plurality of source map packets 260 according to one embodiment of the invention.
  • Each source map packet 260 includes a start code 262 and a stop code 264, respectively identifying the start and end of the packet.
  • Each packet further includes a packet type code 266 identifying the packet as a source map packet, as well as a source ⁇ r ID 270.
  • each source map packet 260 also includes a source map 268 of station call letters and/or network station IDs 272. Each station call letter 272 in the source map 268 is referenced by a guide channel number 270.
  • Different source maps preferably exist for different regions of the country.
  • 8 bit guide channel number identifying the call letter of each station, up to 256 stations may be
  • a source map may only include stations carried by a particular signal source (e.g. only cable stations), or may include stations carried by multiple signal sources (e.g. both OTA and cable stations).
  • the channel map selection information 240 In the example illustrated in FIGS. 5 and 6, the channel map selection information 240
  • 2- ⁇ includes two channel map IDs for the cable signal source in zip codes 90000-90050 and 90210, and one channel map ID for the OTA signal source in the same range of zip codes.
  • the user is given the choice of selecting between the two channel maps. For example, if the user subscribes to a cable company with a channel map corresponding to the channel map
  • the coordinator downloads the indicated channel map without further inquiry to the user.
  • the coordinator also downloads the source map with the source ID 252a of "001" for correlating the television channel number 250 with the station call letters 272.
  • the downloaded channel maps o r and source map together allow the television channels 250 to be correlated to their station call letters 272.
  • the source map with source ID "001 " indicates that the corresponding television station call letter is "ABC.”
  • the coordinator 200 creates a merged channel map with any redundant channel listings removed. Redundant listings are preferably identified by r comparing the channel IDs 252 in one downloaded channel map with the channel IDs in other downloaded channel maps. If the same channel ID 252 appears in another channel map, the listing is redundant and may be removed from one of the channel maps.
  • the coordinator 200 creates a merged channel map based on the cable channel map (channel map ID "2710") and the OTA channel ⁇ o map (channel map ID "2712").
  • the coordinator examines the channel IDs in the OTA channel map with the channel IDs in the cable channel map, and identifies that the four channel IDs in the OTA channel map are equal to the first four channel IDs in the cable channel map.
  • both the OTA channel map and the cable channel map carry the "CBS" network station identified by channel ID "001 004".
  • the coordinator 200 creates a merged channel map 280 with the redundant listings removed, as is illustrated in FIG. 7.
  • the merged channel map 280 includes the television channel numbers 250, source IDs 252a, and guide
  • the merged channel map 280 may also include the channel map IDs of the channel maps being used for each channel listing. In this way, the signal source of each listing may be identified.
  • the coordinator 200 may further sort the information in the merged channel map 280 according to any of a variety of sorting routines, including by numerical order, alphabetical order,
  • the merged channel map 280 then provides the channel lineup information and the program schedule information to be displayed on a merged EPG.
  • the merged channel map 280 is created using a merging system 220 that is separate from the television system 10 (e.g. at a head-end) as is illustrated in FIG. 8.
  • a merging system 220 that is separate from the television system 10 (e.g. at a head-end) as is illustrated in FIG. 8.
  • the program schedule information has been merged and sorted according to a predetermined order, the merged program schedule information is provided to the television system 10, for example, on a satellite channel or on another transmission medium.
  • the o program schedule information is received in a format that is ready for immediate display.
  • the merging system 220 may receive EPG data from a variety of sources.
  • the data may be provided to the merging system 220 using a data line 201.
  • the data line 201 may be a line generally used for receiving television signals, such as a cable, or another type of data line such as a telephone twisted pair or an optical fiber line.
  • the merging system 220 may also receive EPG data from a broadcast system 222.
  • the broadcast system 222 may be a standard RF
  • the merging system 220 may also be provided with program schedule information by manually inputting the desired data using any of a variety of user inputs 223. For example, a user may type the desired information into the system using a keyboard. The information may also be input from a recorded medium, such as a magnetic medium (e.g., floppy disk, magnetic tape) or an optical medium (e.g., optical compact disk).
  • a magnetic medium e.g., floppy disk, magnetic tape
  • an optical medium e.g., optical compact disk
  • the merging system 220 merges all of the provided program schedule information into a single program guide. Once merged, the program schedule information is transmitted by a signal transmitter 224 and received by a television signal receiver 225.
  • the transmitter 224 may be a standard television broadcast station, a DBS system utilizing a relay satellite, a television cable system, or any other known signal broadcasting device.
  • the signal may be transmitted over
  • a signal receiver 225 such as the television tuner 105, receives the merged schedule information, typically on a dedicated television channel, and displays it on a television display 206.
  • the program information can also be provided as an overlay or a partial screen display on 20 user selected channel.
  • priorities may be given based on the number of channel listings in the channel map. Channel maps with a higher number of channel listings are given a higher priority to reduce the switching from one source to another as the user switches channels.
  • the priorities may alternatively be user-defined.
  • priorities may be given on a channel-by-channel basis. For example, digital
  • duplicate listings are eliminated based on the signal quality of the various sources.
  • the source with a stable picture quality may take precedence over another source carrying the same television station, but with an unstable picture quality.
  • the stability of a picture quality is preferably measured based on mis-timed ⁇ - horizontal sync pulses.
  • a sync input signal is analyzed for the number of signal edges detected within a time interval, such as 80 microseconds.
  • the time interval may be either fixed or programmable.
  • no error is flagged if the number of signal edges detected within the time interval is one or two.
  • an error is flagged if the number of edges detected is zero or three.
  • an automatic sync control circuit in the tuner relays relative signal
  • the merged channel map 280 includes the channel listings from all the sources, including duplicate listings.
  • the merged EPG viewed by the user, ⁇ r may simply include one listing indicating the television station call letters of the duplicate listings.
  • any one of the sources carrying the selected station may be selected.
  • the tuner selects the source to which it is currently tuned. In this way, the switching from one source to another is minimized.
  • the EPG lists all duplicate channel listings. The user may then manually remove the duplicate listings from a channel lineup editor, and keep the listing from the desired signal source.
  • FIG. 9 is an illustration of a merged EPG screen 170 generated by the video processor 160 under the control of the microprocessor 150. The viewer invokes an EPG guide mode for
  • the EPG screen 170 is divided into a number of different display areas.
  • a PIP window 172, a first panel ad window 174, and a second panel ad window 176 are arranged along the left
  • the remainder of the EPG screen 170 is typically occupied by an action key bar 178, a navigation bar 180, a grid guide 182, and an information box 184.
  • the position of the windows, and other user interface features, including the action key bar 178, navigation bar 180 and grid guide 182, are fixed.
  • the position and size of the windows and other user interface features are r customizable by the viewer.
  • the PIP window 172 displays real time broadcast programs or pre-recorded video clips produced by the PIP chip 140.
  • a translucent overlay of the PIP window 172 can display a title, channel (local number and/or station name), and status (locked or unlocked) of the PIP window 172.
  • the first and second panel ad windows 174 and 176 display advertisements for future r telecast programs or for products and services.
  • An advertisement for a future telecast program is linked to a time and channel of the program allowing the viewer to watch or record the program automatically by highlighting the advertisement and pressing a watch action button 178a or a record action button 178b,respectively.
  • Highlighting an advertisement for a product or service allows the viewer to read one or more pages about the product or service from the information box 184.
  • the advertisement is linked to a time and channel of an infomercial allowing the viewer to watch or record the infomercial by highlighting the advertisement and pressing the watch action button 178a or the record action button 178b, respectively.
  • the viewer accesses television program schedule information by actuating a grid button ⁇ c 180a from a list of menu buttons listed on the navigational bar 180.
  • the grid guide 182 displays a list of television programs with their respective channel designations 182a in a series of program tiles.
  • the channel designations 182a indicate the corresponding signal source (e.g., cable, OTA, etc.) or the geographic region represented by the channel (e.g. local network station).
  • the grid guide 22 includes advertisement tiles 190 with virtual channel advertisements.
  • a virtual channel ad may promote, for instance, a current or future television program. Such a virtual channel ad for a television program is linked to a time and channel of the program allowing the viewer to watch or record the program automatically.
  • the viewer may access news articles by actuation of a news button 180b from the
  • 2-r navigational bar 180 Similar buttons may also be provided for accessing information about past, present, and future sporting events, and local information guide of a particular geographical area.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

La présente invention concerne un système et un procédé permettant la réalisation de guides électroniques de programmes fusionnés d'où les listes redondantes ont été supprimées. Le système de télévision reçoit les données des guides électroniques de programmes au moyen d'une pluralité de sources de signaux de programmes. Ces sources de signaux de programmes sont essentiellement les diffusions hertziennes terrestres, la câblodistribution, la diffusion par satellite, et analogue. C'est soit le système de télévision, soit un système de fusion distinct du système de télévision qui reçoit les données de guides électroniques de programmes comprenant les informations de programmation des émissions de télévision diffusées depuis les différentes sources de signaux. En outre, pour chacune des sources de signaux, le système reçoit des informations de correspondance entre canaux. Ces informations de correspondance entre canaux établissent les correspondances entre canaux de télévision et stations de télévision véhiculées par les sources de signaux. Le système crée un topogramme de canaux fusionnés reposant sur des informations de correspondances entre canaux d'où ont été supprimées les listes en double des stations de télévision. Chaque canal de télévision est associé à un identifiant de canal unique. Les listes de stations de télévision en double sont donc repérées par identification d'identifiants de canaux en double. Les listes de stations de télévision en double peuvent être éliminées en se basant sur une priorité associée aux diverses sources des signaux, ou en se basant sur la qualité du signal des diverses sources.
EP00915929A 1999-03-01 2000-03-01 Elimination des listes redondantes dans un guide de programmes electronique et systeme a cet effet Withdrawn EP1159825A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12276099P 1999-03-01 1999-03-01
US122760P 1999-03-01
PCT/US2000/005183 WO2000052928A1 (fr) 1999-03-01 2000-03-01 Elimination des listes redondantes dans un guide de programmes electronique et systeme a cet effet

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WO2000052928A1 (fr) 2000-09-08
CN1344466A (zh) 2002-04-10
CA2362759A1 (fr) 2000-09-08
AU3711600A (en) 2000-09-21
JP2007181241A (ja) 2007-07-12
JP2003518342A (ja) 2003-06-03
WO2000052928A9 (fr) 2001-10-25

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