EP2874336A1 - Verfahren zur Messung der Besucherquoten eines Inhalts auf Endgeräten, durch Extraktion der digitalen Kodierungen und/oder digitalen Abdrücke auf der Audio-Komponente des Inhalts. - Google Patents

Verfahren zur Messung der Besucherquoten eines Inhalts auf Endgeräten, durch Extraktion der digitalen Kodierungen und/oder digitalen Abdrücke auf der Audio-Komponente des Inhalts. Download PDF

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Publication number
EP2874336A1
EP2874336A1 EP20140193394 EP14193394A EP2874336A1 EP 2874336 A1 EP2874336 A1 EP 2874336A1 EP 20140193394 EP20140193394 EP 20140193394 EP 14193394 A EP14193394 A EP 14193394A EP 2874336 A1 EP2874336 A1 EP 2874336A1
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EP
European Patent Office
Prior art keywords
terminal
content
tracing
block
given terminal
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Withdrawn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
EP20140193394
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English (en)
French (fr)
Inventor
Christophe Oddou
Jérôme Meric
Frédéric BERTIN
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Mediametrie SA
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Mediametrie SA
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Publication date
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Publication of EP2874336A1 publication Critical patent/EP2874336A1/de
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/82—Wired systems using signals not modulated onto a carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/91—Arrangements characterised by the broadcast information itself broadcasting computer programmes

Definitions

  • the field of the invention is that of audience measurement techniques.
  • the invention relates to a technique for measuring the audience of a content broadcast on a computer network (for example the Internet), in continuous mode (also called “streaming content” or “streaming content”) or in download (eg pre-roll, mid-roll and post-roll downloaded in file mode).
  • a computer network for example the Internet
  • continuous mode also called “streaming content” or “streaming content”
  • download eg pre-roll, mid-roll and post-roll downloaded in file mode.
  • the invention applies in particular, but not exclusively, to the measurement of the user-centric audience of a streamed content (TV program for example) transmitted via the Internet network.
  • the technique is implemented with a group of panellists distributed by households and having at least a part of the plurality of terminals.
  • Each household has either a single panelist or several panellists.
  • the site-centric measure is the measurement of traffic volumes. It allows a fine and precise follow-up of the user's behavior on the site, the most consulted contents, the most used services, the Internet origin of the visits.
  • the "site-centric” measure also applies to measuring the effectiveness of online marketing actions: clicks, conversion rate, turnover, return on investment, etc.
  • the operation of the "site-centric” measurement relies on the marking of each page of a site with a marker (also called “tag”), for example a Javascript code.
  • a marker also called “tag”
  • the marker placed on the page sends a request ("hit") to the server of measured.
  • hit The traffic on the pages is thus counted.
  • the "site-centric” measure is used to analyze the number of terminals (identified by their Internet browsers) that visited a site during a given period. Browsers are identified from cookies, or from the IP address / User Agent pair, when cookie measurement is not possible.
  • a cookie is deposited on the terminal by the server of the audience measurement company (Web analytics system), the first time a marker is downloaded from the server of the measurement company hearing.
  • This cookie is common to all sites marked by the audience measurement company, since it is a "third party cookie” managed by this company.
  • the technique of marking web pages and applications can be summarized as follows.
  • a publisher tags his website to allow an Internet audience measurement company to measure the corresponding audience, it includes a marker in its HTML pages (the marker then consists of a call to a JavaScript routine on the server of the audience measurement company) or in its third-party applications (the marker then consists of a library written in native code and integrated with the third-party application).
  • a tagging identifier (unique and persistent) is generated (if this has not already been done).
  • the marking identifier is deposited in the form of a cookie on the terminal (it is generally common to all the marked sites by the audience measurement company).
  • the marking identifier is stored in a storage area of the terminal, specific to each application, if it is not possible to use the unique identifier of the terminal. It is usually different from one application to another.
  • the marker sends periodic requests (also called "hits") on the Internet audience measurement server, to transmit the operating status of the reading device (player).
  • hits convey the identity of the content, the position in the content (stream), the state of the reading device (pause / read), the tagging identifier (allowing to de-duplicate the sessions of the same terminal at the same time). same day), as well as a temporary identifier of session renewed with each new launch of the reading device. In nominal mode, hits are sent every 60 seconds.
  • the technique of marking web pages and applications makes it possible to measure the consumption (number and duration) of contents.
  • a disadvantage of the marking technique is that it is limited to the "site-centric” measure, independently of any notion of panel (this notion being specific to the "user-centric” measure).
  • the “site-centric” measure does not make it possible to identify in a distinct way the Internet users who connect to the site (we do not know who is behind the terminal connected to the Internet). It does not allow for a qualified audience. This is why the "user-centric” measure (detailed below) complements the "site-centric” measure.
  • the marker sends hits to the audience measurement server with time indexes relating to the start of the player's launch in the HTML page or the third-party application.
  • the hits indicate the change of state and the index does not increment anymore.
  • delayed content for example, catch-up TV content
  • this does not create a measurement error since the player receives the content from the beginning.
  • a content live stream
  • there is no absolute time reference with respect to the content itself ie no absolute time index
  • its transmission being able to undergo a shift more or less variable due to the Internet distribution networks. Therefore, it is difficult to know precisely which part of a content (for example a broadcast or an advertising tunnel) has actually been viewed by a user since the programming grid (pige) which serves as a reference is that of the broadcast radio.
  • Yet another disadvantage of the tagging technique is that it is radically different from that currently used for the daily TV benchmark (see the first known user-centric measurement technique described hereinafter). It would therefore be necessary to build a hybrid infrastructure at the back-office level (that is to say at the level of the audience measurement server), making it possible to manage both television sets and new types of terminals (computers, smartphones , tablets, etc.).
  • the "user-centric” measure is used to analyze the number of unique visitors who visited a site during a given period. A single panel visitor is a qualified individual identified. In extrapolated value, a panelist corresponds to thousands of unique visitors.
  • the "user-centric” measure provides agencies, publishers and marketing professionals with accurate and reliable reports on the audience of Internet sites and the use of Internet users, which information can be used for strategic planning, competitive studies or media planning. For example, the results are updated every month.
  • a first known technique of user-centric audience measurement is based on the audio watermarking of the audio channel (also called “audio component") of the broadcasted content (TV channels for example) , or the comparison of their audio fingerprinting with reference fingerprints.
  • This first known technique is the basis of the meters used for daily TV reference measurement.
  • the audimeter typically a mini-PC
  • a disadvantage of this first known technique is that, in the case of laptops, smartphones or tablets, it is difficult to envisage permanently connecting an audimeter (that is to say an external device) to these equipment by mobile nature.
  • Another disadvantage of this first known technique is that on some terminals (typically Apple terminals (registered trademark)), it is very difficult to capture the audio channel in digital format, directly at the audio circuits.
  • a second known technique of user-centric audience measurement is based on the analysis of the network traffic between the terminal and the Internet network.
  • This second Known technique is to exploit network traces left at a router installed in the home panelists or at a http proxy through which the terminals of panelists must pass.
  • the main disadvantage of this second known technique is that the network traffic can be completely decorrelated content actually restored to the terminal. For example, when the user puts the playback device (player) in pause, the audiovisual stream continues to be stored in buffer memory, with no guarantee that it will be decoded and viewed later. There is therefore an inaccuracy in the measurement of the streamed contents that can be buffered in the terminals and never consumed.
  • Another disadvantage is that this solution is limited to the home where the router is located.
  • a third known "user-centric" audience measurement technique relies on a measurement software ("meter software") embedded in the terminal in order to transmit and analyze the connection data (surf) in real time.
  • the main disadvantage of this third known technique is that it requires a considerable R & D effort to maintain a measurement software on all operating systems (OS) and all Internet browsers terminals, taking into account the evolution of major players of the Web, and that as well on computer (PC), tablet, smartphone, etc.
  • OS operating systems
  • PC computer
  • tablet tablet
  • smartphone etc.
  • DRM technical protection measure
  • the invention in at least one embodiment, is intended in particular to overcome these various disadvantages of the state of the art.
  • an objective is to provide a technique for measuring the audience of a content broadcast on a computer network (for example the Internet), in a continuous mode (streamed content). or in download mode, without imposing an audimeter (individual device) to the panelists, thus increasing the acceptance of the measure and its reliability.
  • a computer network for example the Internet
  • a continuous mode streaming content
  • download mode without imposing an audimeter (individual device) to the panelists, thus increasing the acceptance of the measure and its reliability.
  • Another objective of at least one embodiment of the invention is to provide such a technique, making it possible to perform a "site-centric” or "user-centric” measurement.
  • Another objective of at least one embodiment of the invention is to provide such a technique for combining a "site-centric" measurement with a "user-centric” measurement.
  • Another objective of at least one embodiment of the invention is to provide such a technique, operating both at home users (for example panelists) and mobility (at work, on vacation, in transport, etc.).
  • Another objective of at least one embodiment of the invention is to provide such a technique, which is simple to implement and inexpensive.
  • Another objective of at least one embodiment of the invention is to provide such a technique, which requires only a small modification of the sites and applications for accessing streamed or downloaded content, and therefore a very difficult effort.
  • ecosystem actors including the publishers of these sites and applications).
  • Another objective of at least one embodiment of the invention is to provide such a technique allowing, for a content broadcast live (live) on a computer network (for example the Internet), to perform an audience measurement. by becoming independent of potentially variable transmission delays in this network.
  • live content broadcast live
  • computer network for example the Internet
  • the proposed solution is based on a completely new and inventive approach, based on the use of audio digital watermarking technology (audio watermarking) or digital audio fingerprinting (audio fingerprinting).
  • the innovation is based solely on a software implementation on the terminal: the tracing block (executed by the terminal) obtains from the multimedia player the audio component of the content, then treats it in the same way as an audimeter (extraction of digital tattoos or fingerprints, and transmission of trace messages to the audience measurement server).
  • the given terminal receives at least one web page in which the tracking block is integrated, said at least one web page referencing at least part of the content and being executable with an included browser. in the given terminal.
  • the tracking block when executed by the browser, communicates with the media player to obtain the audio component of the content, the media player being integrated with or accessed by the browser.
  • step a) the given terminal receives at least one web page referencing at least part of the content and executable with a browser included in the given terminal; and an extension module, included in the given terminal and completing the browser, integrates the tracking block with said at least one web page, before the execution of said at least one web page by the browser.
  • step b) the tracking block, when executed by the browser, communicates with the media player to obtain the audio component of the content, the media player being integrated with or accessed by the browser.
  • the given terminal receives a third-party application for accessing the content when it is executed by the given terminal, the third-party application being written in native code and encapsulating the written trace block in executable code with a browser included in the given terminal.
  • the tracking block when executed by the browser, communicates with the media player to obtain the audio component of the content, the media player being integrated with or accessed by the browser.
  • step a) the given terminal receives a third-party application allowing access to the content when it is executed by the given terminal, the third-party application being written in native code and integrating the tracing block as well. written in native code.
  • step b) the trace block, when executed by the terminal, communicates with the media player to obtain the audio component of the content, the media player being integrated with or accessed by the third-party application.
  • the content editors just have to integrate into their third-party applications a tracing block executable by the terminal (directly, without the help of the browser).
  • said unique tracing identifier is a unique identifier of the given terminal, stored by the terminal.
  • said unique tracing identifier is an identifier generated by the tracing block and then stored by the terminal.
  • the generated identifier is for example stored in a cookie.
  • the given terminal executes a declaration application to perform steps i) and ii).
  • the tracing block forwards the unique tracing identifier to the declaration application.
  • the given terminal executes a declaration application to perform step i).
  • the tracing block performs step ii).
  • the unique tracing identifier is a unique identifier of the terminal, which is stored by the given terminal and accessible by the declaration application and the tracing block.
  • the given terminal executes a declaration application to perform step i).
  • the tracing block performs step ii).
  • the unique tracing identifier is a unique identifier of the terminal.
  • the declaration application launches the browser on a URL containing said unique identifier of the terminal and that when it is executed deposits on the terminal a cookie containing said unique identifier of the terminal, said cookie being accessible by the tracing block when it is executed by the browser.
  • the browser performs step i), during which is deposited on the terminal a cookie containing said unique identifier of the terminal, said cookie being accessible by the tracking block when it is executed by the browser, in the unique tracing identifier is said unique identifier of the terminal, and in that the tracing block performs step ii).
  • a computer program product which comprises program code instructions for implementing the aforesaid method (in any one of its various embodiments), when said program is run on a computer.
  • a computer-readable and non-transitory storage medium storing a computer program comprising a set of instructions executable by a computer for implementing the aforementioned method (in any of its different embodiments).
  • the terminal comprises means for implementing the steps it performs in the audience measurement method as described above, in any of its various embodiments.
  • the proposed technique makes it possible to measure the audience, on terminals (computers, smartphones, tablets, etc.), of content broadcast in continuous mode (streamed content) or download on a computer network (eg Internet).
  • terminals computers, smartphones, tablets, etc.
  • content broadcast in continuous mode streaming content
  • download on a computer network eg Internet
  • the object of the present invention is to circumvent this difficulty for the following two scenarios: access to the content (flow) from an HTML page and access to the content (flow) from a publisher application. These two cases are discussed in detail below.
  • the figure 3 presents the software architecture of a terminal in a particular implementation of the invention, with a tracing block 1 included in a publisher application 30.
  • the latter is for example proposed by the editor and downloadable from an online store of third-party applications (AppStore, PlayStore, ).
  • this type of editor application is only encapsulation in native code of an HTML application.
  • the terminal receives an editor application 30 for accessing the content when it is executed by the given terminal.
  • This editor application is written in native code and encapsulates a trace block 1 written in executable code with a browser included in the terminal.
  • the second solution that follows is applicable (cf ⁇ 6.3 and Figure 2A the tracking block 1, when it is executed by the browser 23, communicates with the media player 21 to obtain the audio component 24 of the content, the multimedia player 21 being integrated into or accessible by the browser).
  • the editor application 30 in the case where the editor application 30 is entirely written in native code, it integrates the trace block 1 also written in native code (it is for example an audio signal processing library). For the restitution of the Audio / Video content, the editor application 30 uses a media player 33 (which executes itself on the operating system 32 of the terminal). The editor application 30 accesses the audio signal, in the heart of the media player, and passes the audio frames 34 to the tracing block 1 (also called "watermarks / fingerprints extraction module”) integrated into the application editor.
  • the tracing block 1 also called "watermarks / fingerprints extraction module
  • the tracing block 1 associates a unique tracing identifier with each watermark or fingerprint transmitted to the audience measurement server.
  • This unique tracing identifier can be generated by the tracing block and stored for example in a zone accessible by the editor application 30. It is also possible to use as a unique tracing identifier a unique terminal identifier (for example IDFA under iOS, or Android_ID on Android, ...) which has the advantage of associating the same identifier for all the application publishers using this technology.
  • the figure 4 presents a sequence diagram illustrating the operation of an audience measurement method according to a first embodiment of the invention, with a "strong" declaration application 2 and a "light” trace block 1 in a publisher application (cf. figure 3 ) or an HTML page (cf. Figures 2A and 2B ).
  • the system comprises an audience measurement server 3 and a group of panellists distributed by households and having a plurality of terminals (for the sake of simplification, a single terminal 90 is represented on the figure 4 ).
  • the terminals are for example computers, smartphones, tablets, connected TVs, etc.
  • the terminal includes a declaration application 2.
  • This declaration application 2 (developed by the audience measurement company) is for example downloaded from an application store or from the Internet portal of the audience measurement company. Each focus of the panel is committed to install this application of declaration on each of its terminals (PC, smartphone, tablet). Each household also receives a unique identifier and a password (the identifier can be for example its email address and the password a panellist household number).
  • trace block 1 sends to the audience measurement server 3 successive trace messages (each containing a watermark or a fingerprint comprising an absolute time index) and, in parallel, the declaration application 2 sends to the audience measurement server 3 successive declaration messages (each containing a list of panelists declared).
  • the audience measurement server 3 performs a correlation between these two types of message, taking as association key a unique tracing identifier contained both in the tracing messages and in the declaration messages.
  • the audience measurement server 3 is able to associate each watermark or fingerprint (contained in one of the consumption messages) with one of the lists of panelists declared (s) (contained in the one of the declaration messages).
  • the audience measurement server 3 has, for each content that the tracking block 1 can measure, information on the consumption of this content by panelists, and can therefore perform audience measurement for this content.
  • the declaration application 2 transmits to the audience measurement server 3 a registration request, parameterized with the login / password pair (previously assigned to the home and entered by a user of the home). terminal), as well as with an identifier of the terminal (terminal ID), the type of the terminal, information indicating whether the terminal is shared or not, and an identifier of the user (in the case of an un-shared terminal) .
  • step 42 after verifying the identifier / password pair provided by the declaration application 2, the audience measurement server 3 proceeds to register the terminal 90 as a panellist terminal. It associates the identifier (terminal ID) and the type of the terminal with a unique identifier of the focus (focus ID).
  • step 43 the audience measurement server 3 transmits to the terminal 90 the unique identifier of the home (home ID).
  • step 44 the terminal 90 stores the unique identifier of the home (focus ID), in a storage area managed by the declaration application 2.
  • the declaration application 2 does not transmit to the audience measurement server 3 the identifier of the terminal (terminal ID).
  • the audience measurement server 3 which generates it (in step 42) and transmits it to the terminal 90 (in step 43), so that the latter stores it (in the step 44).
  • step 45 at the start of the reading of a content, the tracing block 1 requests the opening of the declaration application 2 (for example via the technique of the "URL scheme") and passes it a unique tracing identifier (tracing ID).
  • tracing ID a unique tracing identifier
  • the terminal 90 has previously obtained and stored this tracing identifier, for example loading the HTML page or the third-party application (depending on whether the tracing block 1 is integrated with one or the other) .
  • the tracking identifier is for example deposited in the form of a cookie on the terminal ("third party cookie" managed by the measurement company of hearing).
  • the tracing identifier is for example stored in a storage area of the terminal, specific to this third-party application.
  • step 46 the declaration application 2 sends to the audience measurement server 3 a request parameterized with the unique identifier of the home (home ID), in order to obtain a list of possible panelists for this home.
  • step 47 the audience measurement server 3 transmits to the declaration application 2 the list of possible panelists.
  • step 48 the declaration application 2 displays an individual declaration window (also called a "declaration interface"), displaying the list of possible panelists (obtained in step 47). Via the individual declaration window, a user selects one or more panelists from the list of possible panelists, to form a list of panelist (s) declared.
  • an individual declaration window also called a "declaration interface”
  • a user selects one or more panelists from the list of possible panelists, to form a list of panelist (s) declared.
  • each list is a list of unique identifiers of panelists (possibly each associated with a first name, for ease of understanding), which the audience measurement company has previously recorded in a database (during recruitment home panelist) and to go back to the unique identifier of the home (ID foyer).
  • each list includes non-unique identifiers of panelists (for example a list of first names that the audience measurement company has previously recorded in a database, during the recruitment of the panellist home), and is transmitted with the unique identifier of the household (focus ID).
  • step 49 the declaration application 2 transmits to the audience measurement server 3 a declaration message comprising the unique tracing identifier (tracing ID), the terminal identifier (terminal ID) and / or the type of terminal, and the list of panelist (s) declared (list obtained in step 48).
  • the audience measurement server 3 associates the unique tracing identifier (tracing ID) with the identifier of the terminal (terminal ID), and therefore with the unique identifier of the home (home ID) and the type of the terminal.
  • step 411 the declaration application 2 gives back to the tracing block 1 (for example via the "URL scheme” technique).
  • step 412 the tracing block 1 actually launches the playback of the content.
  • the tracking block 1 sends to the audience measurement server 3 trace messages each containing a watermark or a fingerprint (itself including an absolute time index) and the unique tracing identifier (tracing ID).
  • trace messages each containing a watermark or a fingerprint (itself including an absolute time index) and the unique tracing identifier (tracing ID).
  • trace ID unique tracing identifier
  • the idea is to separate the measure from the consumed content (with the sending of trace messages) and the declaration of panelists (with the sending of declaration messages). Both are correlated (on the fly or a posteriori) by the audience measurement server 3, in step 415, using the unique tracing identifier (tracing ID) and time as association keys.
  • the audience measurement server 3 performs the treatment on the fly: it stores the last list of panelist (s) declared, contained in the last declaration message he / she has received; and when he receives (at the given moment) the given watermark or fingerprint, he takes as current list at the given moment the last list of panelist (s) declared.
  • the timestamp of each list of panelist (s) declared (that is, its association with a first timestamp information) and the timestamp of each watermark or the fingerprint (c ') ie its association with a second time stamping information) can be performed either by the terminal or by the audience measurement server.
  • a change of panelist (s) ie a change in the list of panelist (s) declared
  • this change must be notified to the audience measurement server 3, in order to assign subsequent trace messages to the good panelist (s).
  • One solution is, for example, to timestamp the messages of declarations at the terminal and to provide a buffering (buffer storage) of the declaration data, in the declaration application (or elsewhere in the terminal), in order to shift in time the sending of the declaration data.
  • the figure 5 presents a sequence diagram illustrating the operation of an audience measurement method according to a second embodiment of the invention, with a "light” declaration application 2 and a “strong” trace block 1 in a publisher application (cf. figure 3 ).
  • the second mode embodiment of the invention consists in using the declaration application 2 only to record a unique identifier of the terminal (for example IDFA, Android_ID, ...) on the audience measurement server 3, as unique tracing identifier (tracing ID).
  • This unique identifier of the terminal must be accessible both by the application of declaration 2 that by the tracing block 1 (the latter being included in the editor application).
  • step 51 the declaration application 2 transmits to the audience measurement server 3 a registration request, parameterized with the login / password pair (previously assigned to the home and entered by a user of the home). terminal), the type of the terminal, information as to whether the terminal is shared or not, and an identifier of the user (in the case of a non-terminal). sharing).
  • step 52 after verifying the identifier / password pair provided by the declaration application 2, the audience measurement server 3 proceeds to register the terminal 90 as a panelist terminal. It associates the identifier of the terminal (for example IDFA) and the type of the terminal with a unique identifier of the focus (focus ID).
  • IDFA the identifier of the terminal
  • focus ID a unique identifier of the focus
  • step 53 at the start of the reading of a content (restitution of the content by the editor application), the tracing block 1 transmits a request to the audience measurement server 3, with as parameter the identifier of the content. terminal (eg IDFA), to know if the terminal is a panelist terminal.
  • IDFA the identifier of the content.
  • step 54 the audience measurement server 3 determines whether the terminal is a panelist terminal, thanks to the identifier of the terminal (for example IDFA). Then in step 55, it sends the corresponding response to the tracing block 1.
  • step 56 if the terminal is a panelist terminal, the tracing block 1 transmits a request to the audience measurement server 3 to know if a new panelist statement (s) is needed.
  • the audience measurement server 3 determines whether a new panelist declaration (s) is necessary (for example by analyzing a possible inactivity of the terminal). Then in step 58, it sends the corresponding response to trace block 1, including a statement box (including a list of possible panelists for that focus) if a new statement is needed.
  • the list of possible panellists and the list of panelist (s) declared can be implemented in various ways.
  • the tracing block 1 transmits to the audience measurement server 3 a declaration message comprising the identifier of the terminal (for example IDFA, acting as a unique tracing identifier) (ID tracing) and the list of panelist (s) declared.
  • IDFA acting as a unique tracing identifier
  • step 511 the tracing block 1 actually starts the playback of the content.
  • the tracking block 1 sends to the audience measurement server 3 trace messages each containing a watermark or a fingerprint (itself including an absolute time index) and the identifier of the terminal (eg IDFA, playing the role of unique identifier of tracing (ID tracing)).
  • IDFA unique identifier of tracing
  • the idea of this second embodiment is to dissociate the measurement of the consumed content (with the sending of trace messages) and the declaration of the panelists (with the sending of declaration messages). . Both are correlated (on the fly or a posteriori) by the audience measurement server 3, in step 515, using the identifier of the terminal (for example IDFA, acting as the unique tracing identifier ( Tracing ID)) and time as association keys (see above description of step 415 of the figure 4 ).
  • IDFA acting as the unique tracing identifier ( Tracing ID)
  • time as association keys
  • the Figure 2A presents the software architecture of a terminal in another particular implementation of the invention, with a tracing block 1 included in an HTML page 20.
  • the content (stream) is accessed from this HTML page, downloadable from a website of the publisher.
  • the browser 23 (which itself runs on the operating system 22 of the terminal) uses a media player 21.
  • the media player 21 accesses the audio signal and passes the audio frames 24 to trace block 1 (also called "watermarks / fingerprints extraction module”) integrated in the HTML page 20.
  • trace block 1 also called "watermarks / fingerprints extraction module”
  • the trace block 1 (included in the HTML page 20), when it is executed by the browser 23, communicates with the media player 21 to obtain the audio component 24 of the content, the media player 21 is integrated in or accessible by the browser.
  • the proposed technique consists in defining, standardizing and exploiting a new API allowing access to the audio track of an audiovisual stream streamed from a Javascript script integrated into an HTML page.
  • the script (tracing block) then processes the audio signal in the same way as an audimeter: extraction of watermarks or fingerprints, transmission of data to the audience measurement server.
  • the trace block (script) associates a unique tracing identifier with each watermark or fingerprint transmitted to the audience measurement server.
  • This unique tracing identifier can be generated by the script and stored for example in a cookie. It is also possible to use as a unique tracing identifier a unique terminal identifier (for example IDFA on iOS, or Android_ID on Android, ...) which has the advantage of associating the same identifier for all Internet sites. using this technology.
  • the first embodiment of the invention (described above in relation to the figure 4 ) can be implemented, in the same way. He is not described again.
  • the second embodiment of the invention (described above in relation to the figure 5 ) can not be implemented identically. Indeed, unlike an editor application, the browser when it executes the tracing block 1 (for example a script in Javascript code) can not access the unique identifier of the terminal (for example IDFA, Android_ID, ...) . It is therefore necessary to modify the recording phase 5-1 of the second embodiment.
  • the Figures 6 to 8 present three solutions in this direction.
  • Steps 61 and 62 are identical to steps 51 and 52 respectively.
  • step 63 the declaration application 2 launches the browser on a URL containing the unique identifier of the terminal (for example IDFA, playing the role of unique identifier of tracing (ID tracing)) in parameter and which, when it is executed, deposits on the terminal a cookie containing this unique identifier of the terminal.
  • This cookie is accessible by trace block 1 when it is executed by the browser, in phase 6-11, to know the unique identifier of the terminal.
  • Step 71 is different from step 51 of the figure 5 in that the declaration application 2 does not transmit to the audience measurement server 3 the identifier of the terminal.
  • the audience measurement server 3 that generates it (terminal ID) and associates it with the terminal type and the unique identifier of the home (home ID).
  • the declaration application 2 launches the browser on a URL containing the unique identifier of the terminal (terminal ID, playing the role of unique identifier of tracing (ID tracing)) and which, when it is executed, deposits on the terminal a cookie containing this unique identifier of the terminal.
  • This cookie is accessible by trace block 1 when it is executed by the browser, in phase 7-11, to know the unique identifier of the terminal.
  • Steps 81 to 83 are distinguished from steps 71 to 73 of the figure 7 in that they are executed by the browser (instead of the declaration application).
  • step 81 the panelist is invited to connect, with the browser of his terminal, to the audience measurement server 3 where he is asked to identify himself by username / password so that a unique identifier of the terminal (Terminal ID) is generated and saved locally in a cookie for example (the browser can not access the terminal identifier of the terminal). type IDFA or Android_id, so this type of identifier will not be used).
  • the Figure 2B presents the software architecture of a terminal in another particular implementation of the invention, with a tracing block 1 added to an HTML page 20 by a plug-in 25 completing the browser 23.
  • This extension module which only the panelists will install in the case of a "user-centric" measurement, integrates the tracing block 1 (script) with the loaded HTML page 20 (as symbolized by the arrow referenced 26). This prevents publishers from modifying their website.
  • the tracing block 1 has been integrated in the HTML page 20, the operation is identical to the case of the Figure 2A : for the restitution of the Audio / Video content of the HTML page 20, the browser 23 (which runs itself on the operating system 22 of the terminal) uses a media player 21.
  • the media player 21 accesses the audio signal and passes the audio frames 24 to the tracing block 1 that the extension module 25 has integrated into the HTML page 20.
  • the tracing block 1 is integrated in the HTML page 20 by the plug-in module, it is possible to implement the same embodiments as in the case where the tracing block 1 is already integrated in the received HTML page, namely the first, third, fourth and fifth embodiments of the invention (described above in relation to the figures 4 , 6 , 7 and 8 respectively). They are not described again.
  • FIG 9 presents the simplified structure of a terminal 90 according to a particular embodiment of the invention, implementing any one of the particular embodiments described above in relation to the Figures 2A, 2B and 3 to 7 .
  • This terminal comprises a random access memory 93 (for example a RAM memory), a processing unit 92, equipped for example with a processor, and controlled by a computer program stored in a read-only memory 91 (for example a ROM or a hard disc).
  • a random access memory 93 for example a RAM memory
  • processing unit 92 equipped for example with a processor
  • a computer program stored in a read-only memory 91 for example a ROM or a hard disc.
  • the code instructions of the computer program are for example loaded into the random access memory 93 before being executed by the processor of the processing unit 92.
  • the corresponding program (that is to say the sequence of instructions) can be stored in a removable storage medium (such as for example a floppy disk, a CD-ROM or a DVD-ROM) or not, this storage medium being readable partially or totally by a computer or a processor.
  • a removable storage medium such as for example a floppy disk, a CD-ROM or a DVD-ROM
  • the audience measurement server structure (referenced 3 on the Figures 4 to 7 ) is for example identical to that presented on the figure 9 for the terminal 90 (structure comprising a RAM, a processing unit which for example equipped with a processor and driven by a computer program stored in a ROM).
  • the terminal it is only a particular way, among several possible, to achieve server side different algorithms detailed above. Indeed, the technique of the invention, server side, is carried out indifferently: on a reprogrammable calculation machine (a PC computer, a DSP processor or a microcontroller) executing a program comprising a sequence of instructions, or on a machine dedicated calculation (for example a set of logic gates such as an FPGA or an ASIC, or any other hardware module).

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)
EP20140193394 2013-11-18 2014-11-17 Verfahren zur Messung der Besucherquoten eines Inhalts auf Endgeräten, durch Extraktion der digitalen Kodierungen und/oder digitalen Abdrücke auf der Audio-Komponente des Inhalts. Withdrawn EP2874336A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1361318A FR3013540B1 (fr) 2013-11-18 2013-11-18 Procede de mesure de l'audience d'un contenu sur des terminaux, par extraction de tatouage numeriques et/ou empreintes numeriques sur la composante audio du contenu.

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EP2874336A1 true EP2874336A1 (de) 2015-05-20

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
FR3037459A1 (fr) * 2015-06-12 2016-12-16 Mediametrie Procede de collecte, pour une mesure d'audience centree-utilisateur, de hits transmis vers un nœud de mesure d'audience centree-site, avec utilisation d'enregistrements de hits crees par le nœud.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020124077A1 (en) * 2001-02-20 2002-09-05 Hill Clarke Randolph Advertising and audience authentication with server-side measurement and client-side verification
US20100162283A1 (en) * 2008-12-23 2010-06-24 Cdnetworks Co., Ltd. Measuring audience rating of online live broadcast

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020124077A1 (en) * 2001-02-20 2002-09-05 Hill Clarke Randolph Advertising and audience authentication with server-side measurement and client-side verification
US20100162283A1 (en) * 2008-12-23 2010-06-24 Cdnetworks Co., Ltd. Measuring audience rating of online live broadcast

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3037459A1 (fr) * 2015-06-12 2016-12-16 Mediametrie Procede de collecte, pour une mesure d'audience centree-utilisateur, de hits transmis vers un nœud de mesure d'audience centree-site, avec utilisation d'enregistrements de hits crees par le nœud.

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FR3013540A1 (fr) 2015-05-22
FR3013540B1 (fr) 2017-04-07

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