WO2015110253A1 - Procédé de génération d'un identifiant de ressources, récepteur, dispositif de communication et système - Google Patents

Procédé de génération d'un identifiant de ressources, récepteur, dispositif de communication et système Download PDF

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Publication number
WO2015110253A1
WO2015110253A1 PCT/EP2015/000082 EP2015000082W WO2015110253A1 WO 2015110253 A1 WO2015110253 A1 WO 2015110253A1 EP 2015000082 W EP2015000082 W EP 2015000082W WO 2015110253 A1 WO2015110253 A1 WO 2015110253A1
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WO
WIPO (PCT)
Prior art keywords
information
resource identifier
receiver
broadcast content
communication device
Prior art date
Application number
PCT/EP2015/000082
Other languages
English (en)
Inventor
Arne BÖSS
Frank Pohlmann
Armin Mank
Rolf Noethlings
Original Assignee
Sony Corporation
Sony Deutschland Gmbh
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 Sony Corporation, Sony Deutschland Gmbh filed Critical Sony Corporation
Publication of WO2015110253A1 publication Critical patent/WO2015110253A1/fr

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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
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
    • 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
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42224—Touch pad or touch panel provided on the remote control
    • 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
    • H04N21/43—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
    • H04N21/44008—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 operations for analysing video streams, e.g. detecting features or characteristics in the video 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]
    • H04N21/80—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

Definitions

  • the present disclosure relates to a method of generating a resource identifier, a receiver, a communication device and a system.
  • Communication systems which offer a complementary use of television and internet, are becoming increasingly used. Due to this complementary use, TV program related additional information may be accessed. Further, social TV, game show voting, chats, quizzes and others may be performed, these additional applications being linked to a TV program that is currently watched.
  • a method of generating a resource identifier related to broadcast content comprises receiving first information descriptive of the broadcast content, and composing the resource identifier using the first information.
  • a receiver is configured to receive broadcast content.
  • the receiver comprises a processor to receive first information descriptive of the broadcast content.
  • the processor is further configured to compose a resource identifier using the first information.
  • a receiver is configured to receive broadcast content.
  • the receiver comprises a processor configured to receive information descriptive of the broadcast content.
  • the processor is further configured to analyze the received information to extract first information, the first information being usable to compose a resource identifier using the first information.
  • a communication device configured to be operated in combination with a receiver.
  • the communication device comprises a receiving unit configured to receive information descriptive of broadcast content received by the receiver, a processor to analyze the received information to extract first information, and to compose a resource identifier using the extracted first information.
  • a computer program includes computer-program instructions which when executed on a data processing apparatus cause the data processing apparatus to perform a method of generating a resource identifier related to broadcast content.
  • the method comprises receiving first information descriptive of the broadcast content, and composing the resource identifier using the first information.
  • a system comprises a receiver and the communication device as defined above.
  • Fig. 1A illustrates an example of a communication system including elements according to embodiments
  • Fig. 1 B illustrates a method of generating a resource identifier according to an embodiment
  • Fig. 1C illustrates a further method of generating a resource identifier according to an embodiment
  • Fig. 2 illustrates a television set implementing a receiver according to an embodiment
  • Fig. 3A illustrates a communication device according to an embodiment in combination with a television set
  • Fig. 3B illustrates a communication device according to a further embodiment in combination with a television set
  • Fig. 4 illustrates elements of a communication device according to a further embodiment
  • Fig. 5 illustrates a method of generating a resource identifier according to a further embodiment.
  • Fig. 1A illustrates a communication system that may be used for viewing a special program or channel and, at the same time, retrieving additional applications that may be related to the broadcast content.
  • channel is intended to mean that what is conventionally understood by the user, e.g. BBC1 , ZDF, TV1 or Fox News which is termed as a service in the DVB environment.
  • program or “event” should be understood as broadcast of a finite duration on a channel such as "Desperate Housewives” or “Tagesschau” or "ylon Journal”.
  • broadcast is intended to mean any kind of broadcast, that may be transmitted by arbitrary methods.
  • the TV programs may be broadcast using digital or analog signals.
  • broadcast relates to any kind of transmission of signals including video or audio signals.
  • the channels do not only refer to television channels but also may refer to radio channels.
  • the programs may also refer to radio programs.
  • the television apparatus or television receiver may be replaced by a radio, a radio set assembly or an arbitrary kind of audio receiver.
  • the system illustrated in Fig. 1A comprises a receiver 100, a communication device 120 which may be connected via a network 130 to a server 140.
  • the receiver 100 may be a commonly used television receiver including a display device 101 , and various components for processing incoming signals.
  • the receiver 100 may further comprise one or more loudspeakers 102.
  • the display device 101 may be integrated with the components for processing incoming signals. It is to be clearly understood that the components for processing incoming signals may be housed in special housing so as to form a set-top box or other processing device which is not integrated with the display device 10 .
  • Broadcast content is delivered via a broadcast signal (e.g. a broadcast television signal) 116 that may be transmitted by a broadcast station 115.
  • the broadcast signal may be an analog or digital television broadcast signal, e.g. in accordance with a DVB, ATSC, ISDB, DMB, DAB or DRM standard. Accordingly, transmission of the broadcast signal may be realized by any of the generally known methods that are usually employed.
  • the broadcast signal 116 may be received at the receiver 100 e.g. by an antenna 108 that transmits the broadcast signal 116 to a tuner 106.
  • the tuner 106 may tune to channels and/or services transmitted by the broadcast signal 116, and may decode the channels.
  • the broadcast signal may be received in a different manner, for example using a satellite dish or other devices as is commonly known.
  • the receiver 100 may further comprise components to process, to demodulate, and to decode the received signals.
  • the received broadcast signals 116 may be in the form of a transport stream as is common for received signals according to the MPEG2 or PEG4 standard.
  • the receiver 100 may further comprise a demultiplexer 107 that may divide an input transport stream into a video transport packet, and an accompanying information packet which may, for example, comprise service information that is related to the currently received program.
  • the broadcast content is reproduced.
  • a user who watches the program or the broadcast content on the display 101 further uses a communication device 120.
  • the communication device 120 may comprise a mobile phone, a personal digital assistant, a tablet computer, a laptop or any other suitable device that may be connected to the internet via a communication unit 121.
  • the communication unit 121 may be a generally employed web browser, for example.
  • the communication device 120 may comprise further components which will be explained later.
  • the communication device 120 may communicate via a network 130, with a server 140, for example.
  • the server 140 may, for example, be provided by a general internet service provider.
  • the server 140 may deliver information upon entering a specific URL.
  • Fig. 1B illustrates a method of generating a resource identifier according to an embodiment.
  • a method of generating a resource identifier related to broadcast content comprises receiving first information descriptive of the broadcast content (S110), and composing the resource identifier using the first information (S120). As will be further explained in the following, this method may be performed by the communication device 120, or may be performed by a receiver which will be explained with reference to Fig. 2.
  • resource identifier generally defines an address by which the respective resource may be located.
  • the resource identifier may be a URL (uniform resource location), a URI (uniform resource identifier) or a URN (uniform resource name).
  • the resource identifier may define an address in a network, in the world wide net or in any arbitrary environment.
  • the broadcast content refers to a program on a certain channel that is currently received by the receiver 100, for example, Chrisschau (program) is watched on ARD (channel).
  • the broadcast content may be represented by a broadcast signal. Components of this signal are analyzed by the communication device 120. For example, when broadcasting a signal 116 by a broadcast station 115, the broadcast station 115 transmits channel and/or program information with a transmitted signal. Accordingly, in this example, the receiver 100 knows the name of the currently selected channel. This information is, for example, displayed in channel selection menus, when operating the receiver.
  • the broadcast signal representing the broadcast content comprises the first information.
  • receiving first information descriptive of the broadcast content may comprise analyzing a component of a broadcast signal representing the broadcast content to extract first information such as the channel information or the program information.
  • the first information may comprise or may be a first character string and the resource identifier may comprise or may be a second character string.
  • the first information or the first character string may be different from the resource identifier or the second character string.
  • composing the resource identifier may comprise adding a prefix and/or a suffix to the first character string. For example, when the selected channel is "ARD", a resource identifier may be composed by adding "www.” before the channel name and appending ".de" after the channel name.
  • the receiver When the receiver also knows the name of the running program, for example "Sportschau", then more detailed web links such as "www.sportschau.de” or “www.ard.de/sportschau” can be generated. Still further, after extracting the first information, additional information may be retrieved from e.g. a database or a look-up table, when names of the channels do not map one to one to the name of the broadcasting station. For example, instead of “ARD” the character string "daserste” may be used for composing the resource identifier. In this case, a look-up table may include corresponding names of the channels or programs. According to this implementation, the generated resource identifier refers to the channel or the program that is watched.
  • the method of generating a resource identifier may be performed by the receiver 100, which then transmits the generated resource identifier via a transmitter 104 to the communication device 120.
  • the receiving unit 126 of the communication device 120 receives the generated resource identifier.
  • the communication unit 121 of the communication device 120 uses the resource identifier for accessing the corresponding website on the server 140. For example, when accessing the website on the server 140 additipnal information related to the channel or the program watched may be accessed.
  • communication between the receiver 100 and the communication device 120 may be accomplished using wire based or wireless communication method.
  • the communication may be based on near field communication (NFC), Bluetooth communication, a UPnP (Universal Plug and Play) networking protocol, any further kind of transmission of an electromagnetical signal, such as an electrical voltage, radiowave, microwave, or infrared signal, mobile telephony, third-generation (3G) mobile phone system based on Global System for Mobile communications (GSM) specifications, or LTE ("Long Term Evolution”) wireless communication standard and others which are commonly known.
  • the communication device 120 may be connected, for example, with a signal output of the receiver 100, for example, with the audio output.
  • the transmitter 104 of the receiver 100 and the receiving unit 126 of the communication device 120 are adapted to the specific communication method employed. As is to be clearly understood, any other kind of communication between a communication device 120 and a receiver 100 may be employed.
  • the channel and/or program information may be analyzed by analyzing meta data which is broadcast with the video data and the audio data.
  • SI Service Information
  • the broadcast signal 116 is a digital television signal
  • service information (SI) may be transmitted within broadcast signal 116, for example DVB-SI according to the DVB standard.
  • the service information may include various data, such as network information, channel information, program information, time and date information and/or running status information descriptive of programs that are currently aired or that will start in the near future.
  • the broadcast signal comprises the first information.
  • the demultiplexer 107 of the television receiver may demultiplex the SI data from the incoming transport stream and may transmit this as the information via a transmitter 104 to the communication device 120.
  • the receiving unit 126 of the communication device 120 may receive the service information.
  • the communication device may further comprise a processor 125 that is configured to analyze the service information.
  • the data indicating the name of the channel or the program that is watched may be extracted as the first information.
  • the first information e.g. as a bit code.
  • a look-up table or a database may be used in order to store the correspondence between certain bit codes and a channel name or a program name. Accordingly, after extracting the bit code, the channel and/or the program name may be determined using this look-up table or database. Then, using this channel and/or program name, a resource identifier may be composed in the manner as has been explained above.
  • any kind of electronic program guide or navigation software such as EPG data may correspondingly be analyzed.
  • Such electronic program guides are typically available for television and radio.
  • the electronic program guides comprise a digitally displayed, non- interactive menu of Broadcast programming scheduling information which may be provided by a cable or satellite TV provider to its viewers on a dedicated channel.
  • a menu is displayed that lists current and upcoming television programs on all available or on selected channels.
  • teletext data may analyzed.
  • EPG data or teletext data may be received by the processor 125 of the communication device.
  • a text analyzer including a semantic analyzer may be applied so as to extract the channel and/or program information included in the meta data.
  • the processor may be configured to compose the resource identifier using the extracted first information.
  • the bit codes corresponding to the channel and/or program information may be extracted.
  • the channel and/or program names may be determined and used for composing the resource identifier.
  • the first information that can be extracted from the meta data is not restricted to channel or program information. Any kind of information that the user might be interested in could be extracted.
  • This first information may be extracted from components of the broadcast signal and resource identifiers such as "www.X.de”, “www.Y.de”, “www.Oktoberfest.de” or “www.Berlin.de” may be generated.
  • radio broadcast additional information according to the radio data system or any other communication protocol may be used for accessing the name of the channel or the program that is currently listened to.
  • a character string representing the first information is extracted.
  • the channel/program information transmitted from the broadcasting station 115 to the receiver 1 10 or included in the meta data may not include the character string representing the resource identifier.
  • This character string may be "directly” determined, e.g. using a speech or a text analysis device.
  • the first information may include a number code or any other kind of information that unambiguously identifies the currently broadcast channel and/or program. According to an embodiment, using this number code or other kind of information, the character string representing the first information may be determined.
  • the first information extracted from the broadcast signal component may be a character string such as "ARD" or "Sportschau".
  • the character string representing the first information does not correspond to a character string representing the resource identifier. Rather, the resource identifier is composed on the basis of the first information.
  • the term “composing” relates to adding further parts or information to the first information. These further parts might be selected or created automatically (e.g. because the device or method knows the country, for example). According to a further embodiment, the further parts may be predetermined (e.g. by parameters set by the manufacturer, or by user input). According to a further interpretation, the term “composing” may comprise "translating" the extracted information into different information which then used as a part of the resource identifier instead of the first information. For example, the first information "ard” may be extracted and translated into "daserste”, e.g.
  • first piece of first information may relate to a channel name such as "ard”
  • a second piece of first information may relate to a program name such as "sportschau”.
  • the resource identifier may be composed by creating a character string including these two pieces of information.
  • "composing" may mean that the character string representing the first information is entered into a search program. In response, the search program will output several proposals for resource identifier.
  • the resource identifier may be composed by attaching, for example, the prefix "www.”, "https:” or any other commonly used prefix in front of the first information and the suffix ".de” or “.com” or any other suitable country code behind the character string representing the extracted first information.
  • the country code may be determined from a location of the receiver 100 or the communication device 120 which may be known from the settings of the receiver 100 or communication device 120.
  • the receiver 100 or the communication device 120 may include a kind of device for assessing positional information such as a GPS (global positioning system) sensor or the like.
  • the country code may be assessed from the broadcast signal, for example, if the broadcast signal includes information about the language of the broadcast content and the language of the broadcast content is the language of the country corresponding to the country code. Still further, the country code may be assessed by analyzing the language of the broadcast content. This may be useful when the language of the broadcast content is the language of the country corresponding to the country code. According to a further example, the extracted character string may be input into a search program and the search results may be used. Generally speaking, the processor, e.g. being a component of the receiver 100 or of the communication device 120, may guess or suggest examples of resource identifiers.
  • the communication unit 121 for communicating with the server 140 may try these resource identifiers in order to access the corresponding web pages and determine whether these are web pages corresponding to the currently watched program or channel. This may be done automatically for verification purposes, and a selection may be presented to the user after the verification. In other embodiments, the system may compose a lot of different links, not only based on different additions, but also based on different extracted information. Finally, a selection, or all of the links may be presented to the user. According to a further option, only one link which was evaluated by some algorithm as the best one may be presented to the user. Further, user input, e.g.
  • the received broadcast content is displayed on a display.
  • receiving first information descriptive of the broadcast content may comprise capturing an image displayed on the display and analyzing the captured image.
  • the communication device 120 may comprise a camera 122 that may take a picture of the image displayed by the display 101.
  • the logo of the watched TV channel may be detected from the displayed image and extracted as first information.
  • a visual feature may be extracted as first information from a component (e.g. the video signal) of the broadcast signal.
  • such a visual feature may also be extracted by recognizing a certain person or a certain site in the broadcast content using generally known methods. Then, the name of the person or of the site may be extracted as the first information. According to an embodiment, recognition of the visual feature may be initiated by starting a corresponding program or pressing a corresponding (virtual) button.
  • the broadcast content comprises audio data.
  • receiving first information descriptive of the broadcast content may comprise extracting an audio fingerprint or an audio feature.
  • a specific sound or jingle may be associated with a specific channel or program.
  • the processor may include a sound recognition device that may detect the specific sound or jingle.
  • the processor may retrieve a corresponding identifier from a database which may be accessed by the processor. Thereafter, the processor may guess the name of the program or the channel that is currently watched or listened to.
  • the processor may include a speech recognition device that may detect the speech or portions of the speech.
  • the speech recognition device may detect the name"xy” and extract "xy” as the first information. Then, the processor may generate a corresponding resource identifier from this extracted first information.
  • the processor may analyze the newscaster's voice and detect from his or her voice that he or she is the showmaster C of program WZ. In a similar manner, the processor may create a resource identifier using "WZ" or the showmaster's name "C” as the extracted first information.
  • the audio fingerprint or audio feature may be sent to an external server, e.g. via the internet, to extract the first information.
  • the recognition may be triggered by user, e. g. by starting a corresponding process and not by continuously listening.
  • the receiver 100 may comprise a processor 103 that is configured to receive first information descriptive of the broadcast content that is currently received.
  • the processor 103 is further configured to compose a resource identifier using the first information.
  • the receiver 100 further comprises a transmitter 104 to transmit the composed resource identifier to a communication device.
  • the receiver 105 may further comprise a web browser for accessing a website that corresponds to the composed resource identifier.
  • the communication device 120 is configured to be operated in communication with a receiver 100.
  • the communication device 120 comprises a receiving unit 126 configured to receive first information descriptive of the broadcast content from the receiver 100.
  • the receiving unit 126 of the communication device 120 may receive signal components from the receiver.
  • the signal components are a component of broadcast data received by the receiver such as the SI information as has been explained above.
  • the communication device 120 may further comprise a processor to analyze the signal components to extract first information.
  • the processor 125 further is configured to compose a resource identifier using the extracted first information.
  • a system comprises a receiver 100 and a communication device 20.
  • the communication device 120 may be implemented in the manner as has been explained above.
  • the receiver 100 may include a transmitter 104 that transmits the components of the broadcast content to the communication device 120.
  • the transmitter 104 may be a display transmitting video data or a loudspeaker transmitting audio data.
  • the receiving unit 126 of the communication device 120 may be an image capturing device 322 or a sound receiving device 332.
  • the generated resource identifier may be transmitted to the communication device (S130), for example, in a case, in which the resource identifier is generated by the receiver.
  • components of a broadcast signal representing the broadcast content are transmitted to the communication device before the components are analyzed (S110) to extract the first information and the resource identifier is composed (S120).
  • the website which is retrieved using the generated resource identifier may be accessed (S140) and displayed on a display (S145).
  • a user may input (S160) a kind of acknowledgement in case the shown website is considered to match the shown channel or program.
  • the generated resource identifier may be stored (S150) in connection with the channel and/or program that is broadcast.
  • the step of composing the resource identifier may be accelerated.
  • the visual feature or the audio fingerprint or audio feature may be stored in connection with the generated resource identifier.
  • a user of a system including the receiver 100 and the communication device 120 as illustrated in Fig. 1A watches a certain television program, e.g. a documentary program, in which a certain location, e.g. the city of Dresden, is introduced by a person, e.g. the reporter XY.
  • the receiver 100 and the communication device 120 are connected to the Internet.
  • the user may select a specific item displayed on the display 101 , e.g. by actuating the communication device 120 that displays a mouse pointer, e.g. a cursor on the display 101.
  • the communication device 120 may send a specific selection signal to the receiver 100 that uses the selection signal and extracts first information related to the selected item or person.
  • the processor 103 of the receiver 100 Due to the analysis of the SI information, the processor 103 of the receiver 100 "knows" that the present television program deals with the city of Dresden. Thereby, recognizing the selected building may be facilitated. From a pattern recognition method, the processor 103 may recognize that the building selected by the user is the Fettmaschine. Accordingly, the transmitter 104 of the receiver 100 may transmit the character string "Frauenmaschine” to the receiving unit 126 of the communication device 120. According to a further implementation, the processor 103 may generate a plurality of character strings such as "Frauenmaschine", “Frauenmaschine Dresden”, “Cathedral”, “Florence Cathedral” or “dome” and others. The transmitter 104 may send this plurality of character strings to the communication device 120.
  • the communication device 120 may receive this plurality of character strings and may display these character strings as a list on a display 124 of the communication device 120.
  • the user may select one or more of these character strings. For example, this selection may refine the analysis result. Alternatively, this selection may be based on the user's current interest. For example, the user may select "Frauen Weg Dresden” to refine the analysis result or may select "dome” since he is currently interested in getting more knowledge about the architectural aspects of domes.
  • the user when starting the analysis and extraction procedure, the user may select a category what he or she is particularly interested in. Examples of categories may be “Famous Buildings”, “Architecture”, “Cities”, “Animals”, “People”, “Shopping”, “Holiday Destination” and others.
  • categories may be "Famous Buildings”, “Architecture”, “Cities”, “Animals”, “People”, “Shopping”, “Holiday Destination” and others.
  • the display 124 of the communication device 120 may show a character string matching to the category selected by the user. E.g.
  • the character strings “Frauenmaschine”, “dome”, “sandstone” or “George Baehr” may be displayed, whereas, when the category “Cities” has been selected, the character strings “Dresden”, “Frauen Weg Dresden”, and “Semperoper” may be displayed. Accordingly, by performing a selection of the category, the context of the extracted first information may be determined. Filtering the extracted first information in accordance with the selected category may be performed at the receiver 100 or at the communication device 120. Due to the above-described selection, computational time may be saved. When the extracted first information is filtered at the receiver 100, additionally transmission bandwidth between the receiver 100 and the communication device 120 may be saved.
  • the processor 125 of the communication device 120 may compose a resource identifier using one of the methods explained above, for example.
  • the display 124 of the communication device 120 may display a website corresponding to the composed resource identifier. If the website does not match with the selected item or person, the user may actuate a corresponding button or function on the communication device, and the processor 125 may compose a resource identifier using a different method, until a matching website has been displayed.
  • the transmitting unit 123 of the communication device 120 may transmit the selected character string to the receiver 100 that receives the selected character string and composes a resource identifier in the manner as has been described above.
  • the receiver sends the character string representing the composed resource identifier back to the communication device 120 which may retrieve a website using the resource identifier.
  • the receiver 100 may compose a plurality of character strings corresponding to the character string corresponding to the first information using different methods of composing the resource identifier. This plurality may be transmitted to the communication device 120, where the corresponding websites are retrieved.
  • the composed resource identifiers may be selected so as to match to the selected category.
  • a resource identifier when the user has selected the category "Shopping", a resource identifier will be composed that is different from the resource identifier that will be composed when the user has selected the category "Architecture".
  • the selection of the resource identifier so as to match to the selected category may be performed at the receiver 100 or at the communication device 120.
  • Fig. 1C illustrates a general method according to this embodiment.
  • a method of generating a resource identifier related to displayed content may comprise selecting an item from the content displayed on a display (S 210), receiving a character string representing first information descriptive of the item (S 220), and composing the resource identifier using the received character string (S 230).
  • these methods may be performed by the receiver 100 alone or by the communication device 120 alone.
  • this method may be performed by a system including the receiver 100 and the communication device 120.
  • some of these methods may be performed by the receiver 100 and others of these methods may be performed by the communication device 120.
  • the method may comprise filtering obtained results in accordance with a user's preferences.
  • filtering (S 215) may be performed before receiving the character string, e.g. at the receiver.
  • filtering (S 225) may be performed before composing the resource identifier, e.g. at the communication device 120.
  • filtering the composed resource identifiers (S235) may be performed after composing the resource identifier, e.g. at the receiver 100 or at the communication device 120.
  • a system includes the receiver 100 and the communication device 120 as illustrated in Fig. A. Differing from Example 1 , the communication device 120 has an increased functionality. For example, as long as the method of generating a resource identifier is not performed, the user may watch a sketchy copy of the television program displayed by the receiver.
  • the communication device may further comprise a graphical user interface, for example, a touchscreen.
  • the receiver 100 and the communication device 120 are connected to the Internet.
  • the user may select a specific item displayed on the display 101 , e.g. by actuating the touchscreen.
  • the communication device 120 may extract first information related to the selected item or person in a similar manner as has been described above in Example 1.
  • Character strings may be assigned to the selected item or person and the plurality of character strings may be displayed as a list on a display 124 of the communication device 120.
  • the user may select one or more of these character strings. For example, this selection may refine the analysis result. Alternatively, this selection may be based on the user's current interest. For example, the user may select "Frauen Weg Dresden” to refine the analysis result or may select "dome” since he is currently interested in getting more knowledge about the architectural aspects of domes.
  • the user when starting the analysis and extraction procedure, the user may select a category what he or she is interested about. Accordingly, by performing a selection of the category, the context of the extracted first information may be determined in a similar manner as has been described above. Filtering the extracted first information in accordance with the selected category may be at the communication device 120.
  • the processor 125 of the communication device 120 may compose a resource identifier using one of the methods explained above, for example.
  • the display 124 of the communication device 120 may display a website corresponding to the composed resource identifier. If the website does not match with the selected item or person, the user may actuate a corresponding button or function on the communication device, and the processor 125 may compose a resource identifier using a different method, until a matching website has been displayed.
  • the composed resource identifiers may be selected so as to match to the selected category, in a similar manner as has been described above.
  • the selection of the resource identifier so as to match to the selected category may be performed at the receiver 100 or at the communication device 120.
  • a resource identifier may be easily composed without the need of accessing external databases and without the need that the resource identifier is broadcast by the broadcast station. Accordingly, the method may be implemented in an easy manner without the need of correspondingly adapting the broadcast signals or providing external services.
  • Fig. 2 illustrates an example of a receiver 200, e.g. a television receiver, that may perform the method that has been explained above with reference to Fig. 1 B.
  • a receiver 200 may comprise a first display 210 and, optionally, a second display 215.
  • the second display 215 may display a web page assigned to the composed resource identifier.
  • the second display 215 may be dispensed with.
  • the generated resource identifier or the corresponding web may be displayed on the first display or in a certain window or portion of the first display 210.
  • the receiver 200 further comprises components which have been explained with reference to Fig. 1A.
  • the receiver may comprise a tuner 206 and a demultiplexer 207 having the same functionality as the tuner 106 and the demultiplexer 107 shown in Fig. 1A.
  • the receiver 200 further may comprise a processor 203 that is configured to receive first information descriptive of the broadcast content.
  • the processor 203 may analyze signal components representing the broadcast content that is received by the receiver to extract the first information in the manner as has been explained above with reference to Figs. 1 B and 1A.
  • the processor 203 is further configured to compose a resource identifier using the extracted first information.
  • the receiver 200 further comprises a communication device 204 such as a web browser in order to access the website corresponding to the composed resource identifier.
  • the receiver 200 may comprise a memory 205 for storing a look-up table or a database, which may store the correspondence between channel and/or programs and the composed resource identifiers.
  • the receiver 200 according to this embodiment may also be implemented by any kind of communication device, such as a mobile phone, a personal digital assistant, a tablet computer, a laptop, a computer and others.
  • Figs. 3A and 3B illustrate a communication device 320 according to a further embodiment that may be used in combination with a receiver which does not support the method according to an embodiment.
  • the receiving unit of the communication device 320 is configured to receive an analog signal that is a component of the broadcast signal.
  • the receiving unit may be implemented as a camera 322 or as a sound receiving device 332 such as a microphone.
  • the processor 325, 335 is configured to extract the first information by analyzing the received analog signal.
  • the communication device 320 may also be used in combination with a receiver that supports the method according to an embodiment.
  • the receiver 300 may be an old-fashioned television set including operating buttons 310 without special components to process the input information.
  • a logo of the channel or the program such as "ARD" or "Tagesschau” is displayed on a portion of the display.
  • Such a logo may be an example of a visual feature 305.
  • Further examples may be a special color code or any kind of visual perceptive identifier which may be unique to the currently watched channel or program.
  • the communication device 320 shown in Fig. 3A may comprise a camera 322 for taking a photograph of the display.
  • the communication device 320 further comprises a processor 325 that may analyze a captured image to receive first information descriptive of the broadcast content.
  • the processor 325 further is configured to compose a resource identifier from the first information.
  • the communication device 320 may include a character recognition device 326, e.g. including a graphics to text converter that may supply a machine readable text from the taken photograph.
  • the processor 325 analyzes the machine readable text, the name of the channel or the program may be identified and used for composing the resource identifier.
  • teletext, EPG information, subtitles may be included in the visual feature and using the character recognition device 326, the text included in the teletext may be analyzed to provide the name of the program or the channel.
  • the first information is not restricted to the name of the program or the channel.
  • the first information may relate to any kind of information that may be of interest to the user. For example, this first information may be extracted by reading the subtitles of the images shown in the display.
  • the communication device further may comprise a communication unit such as a web browser 321 for accessing the internet and a memory 324 that may store a look-up table including for example, names of the programs or channels and the corresponding resource identifiers.
  • a communication unit such as a web browser 321 for accessing the internet
  • a memory 324 may store a look-up table including for example, names of the programs or channels and the corresponding resource identifiers.
  • the communication device 330 of Fig. 3B may comprise a sound receiving device 332 such as a microphone for receiving audio data played by the receiver.
  • the communication device 330 further comprises a processor 335 that may analyze a received sound to receive the first information descriptive of the broadcast content, for example an audio fingerprint or an audio feature.
  • the processor 335 further is configured to compose a resource identifier from the first information.
  • the communication device 330 may include a sound recognition device 336, in order to detect a certain jingle, the voice of a showmaster or any other kind of audio fingerprint or audio feature as has been explained above.
  • the sound recognition device 336 may perform a spectral analysis of the received sound.
  • the processor 335 is configured to extract the audio fingerprint or audio feature and to determine the name of the channel or the program based on this audio fingerprint or audio feature.
  • the communication device 330 may include a speech recognition device 337 that may identify, for example, the name of the program and/or the channel from the speech. The correspondingly extracted first information may be used for composing the resource identifier.
  • the communication device 330 further may comprise a communication unit such as a web browser 331 for accessing the internet and a memory 334 that may store a look-up table including for example, names of the programs or channels and the corresponding resource identifiers.
  • a communication unit such as a web browser 331 for accessing the internet
  • a memory 334 may store a look-up table including for example, names of the programs or channels and the corresponding resource identifiers.
  • Fig. 4 illustrates a communication device 420 according to a further embodiment that may be used, for example, in a case, when a consumer sees items having any kind of visual features 412.
  • a visual feature 412 may be trademark of a product or a brand name of a product such as "Superski” or a "S" having a specific shape.
  • a communication device 420 including a camera 422 may take a photograph of the item 410.
  • the communication device further may include a character recognition device 426, for example, including a graphics to text converter which recognizes the name "Superski".
  • the character recognition device 426 or the processor 425 of the communication device 420 analyzes the received data to extract first information. Then, the processor 425 of the communication device 420 may be configured to generate a resource identifier using this extracted first information.
  • the communication unit 421 may access a website using this resource identifier. Accordingly, a consumer in a shop may quickly access the website of the Superski and may view additional information regarding this item 410. Further, the specific mark "S" having the special shape may as well be analyzed in order to extract the first information and compose the resource identifier.
  • the receiving unit of the communication device 420 is configured to receive an analog signal.
  • the receiving unit that receives the analog signal is implemented as a camera 422.
  • the processor 425 is configured to extract the first information by analyzing the received analog signal.
  • the user may use the category "Sports” or “Shopping” when viewing the set of skis illustrated in Fig. 4.
  • the user may select the category "Animal” when viewing an animal that the user wants to get more information about.
  • Fig. 5 illustrates a method of generating a resource identifier related to received data.
  • the method comprising analyzing the received data to extract first information (S510) and composing the resource identifier (S520) using the first information.
  • the received data may be analog signal components.
  • Item 1 A method of generating a resource identifier related to broadcast content comprising: receiving first information descriptive of the broadcast content; and
  • Item 2 The method according to item 1 , wherein a broadcast signal representing the broadcast content comprises the first information.
  • Item 3 The method according to item 1 or 2, wherein the first information comprises a first character string and the resource identifier comprises a second character string, the first information being different from the resource identifier.
  • Item 4 The method according to item 2 or 3, wherein composing the resource identifier comprises transforming the first character string into the second character string, using a database, a look-up table or a search method having the first character string as an input.
  • Item 5 The method according to any of items 1 to 4, wherein the broadcast content is transmitted using a data stream including channel and/or program information, and the first information comprises the channel and/or program information.
  • Item 6 The method according to any of items 1 to 5, wherein the broadcast content is transmitted using a broadcast signal comprising meta data, and the first information is channel and/or program information extracted from the meta data.
  • Item 7. The method according to any of items 1 to 6, wherein the broadcast content comprises video data, the first information is a visual feature, and composing the resource identifier comprises assigning a character string to the visual feature.
  • Item 8 The method according to any of items 1 to 7, wherein the broadcast content is displayed on a display, and receiving the first information comprises capturing an image displayed on the display and analyzing the captured image.
  • Item 9 The method according to any of items 1 to 8, wherein the broadcast content comprises audio data, the first information is an audio fingerprint and composing the resource identifier comprises assigning a character string to the audio fingerprint.
  • Item 10 The method according to any of items 1 to 9, wherein the broadcast content is reproduced as sound, and receiving the first information comprises receiving the reproduced sound, and analyzing the received sound.
  • Item 11 The method according to any of items 1 to 10, further comprising selecting an item before receiving the first information, wherein the first information is related to the item.
  • a receiver configured to receive broadcast content, the receiver comprising: a processor to receive first information descriptive of the broadcast content, the processor being further configured to compose a resource identifier using the first information.
  • Item 13 The receiver according to item 12, further comprising a transmitter to transmit the composed resource identifier to a communication device.
  • a receiver configured to receive broadcast content, the receiver comprising: a processor configured to receive information descriptive of the broadcast content, the processor being further configured to analyze the received information to extract first information, the first information being usable to compose a resource identifier using the first information.
  • a communication device configured to be operated in combination with a receiver, the communication device comprising:
  • a receiving unit configured to receive information descriptive of broadcast content received by the receiver, a processor to analyze the received information to extract first information, and to compose a resource identifier using the extracted first information.
  • Item 16 The communication device according to item 15, wherein the receiving unit comprises an image capturing device to capture an image displayed by the receiver as the broadcast content, and
  • the processor is configured to analyze the captured image to extract the first information.
  • Item 17 The communication device according to item 15 or 16, wherein the receiving unit comprises a microphone to receive a sound reproduced by the receiver, and
  • the processor is configured to analyze the received sound to extract the first information.
  • a computer program including computer-program instructions which when executed on a data processing apparatus cause the data processing apparatus to perform a method of generating a resource identifier related to broadcast content comprising:
  • Item 19 A non-transitory computer-readable recording medium including the computer program according to item 18.
  • a system comprising:
  • Item 21 A method of generating a resource identifier related to received data, comprising:
  • Item 22 The method according to item 21 , wherein the components of the signal are analog signal components.
  • Item 23 The method according to item 3, wherein composing the resource identifier comprises adding a prefix and/or a suffix to the first character string.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Selon l'invention, un procédé de génération d'un identifiant de ressources se rapportant à un contenu radiodiffusé consiste à recevoir de premières informations décrivant le contenu radiodiffusé; et à composer l'identifiant de ressources à l'aide des premières informations extraites.
PCT/EP2015/000082 2014-01-21 2015-01-19 Procédé de génération d'un identifiant de ressources, récepteur, dispositif de communication et système WO2015110253A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14000209 2014-01-21
EP14000209.8 2014-01-21

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WO2015110253A1 true WO2015110253A1 (fr) 2015-07-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120295560A1 (en) * 2011-05-18 2012-11-22 Sparcq, Inc. Sonic signaling communication for user devices
US20130152139A1 (en) * 2008-11-07 2013-06-13 Digimarc Corporation Second screen methods and arrangements
EP2660998A2 (fr) * 2012-05-04 2013-11-06 Samsung Electronics Co., Ltd. Appareil de réception de diffusion, procédé de commande d'application et dispositif
EP2680258A2 (fr) * 2012-06-29 2014-01-01 Verisign, Inc. Fourniture d'accès à une ressource à activation audio pour dispositifs d'utilisateur sur la base de l'empreinte vocale d'un locuteur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130152139A1 (en) * 2008-11-07 2013-06-13 Digimarc Corporation Second screen methods and arrangements
US20120295560A1 (en) * 2011-05-18 2012-11-22 Sparcq, Inc. Sonic signaling communication for user devices
EP2660998A2 (fr) * 2012-05-04 2013-11-06 Samsung Electronics Co., Ltd. Appareil de réception de diffusion, procédé de commande d'application et dispositif
EP2680258A2 (fr) * 2012-06-29 2014-01-01 Verisign, Inc. Fourniture d'accès à une ressource à activation audio pour dispositifs d'utilisateur sur la base de l'empreinte vocale d'un locuteur

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