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]
  • H04N21/80—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
  • H04N21/854—Content authoring
  • H04N21/8549—Creating video summaries, e.g. movie trailer
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
  • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
• • 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
  • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
  • H04N21/845—Structuring of content, e.g. decomposing content into time segments
  • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Definitions

• the field of the invention is that of telecommunications, and more particularly of broadcasting representative streams of audiovisual content, via a broadcast network, to terminals capable of rendering such contents.
• a representative stream of audiovisual content is broadcast in real time, via a broadcast network, to a content rendering terminal, such as for example a digital television receiver equipped with a decoder of the type Set-Top-Box, all audiovisual content can be recorded, for example in the decoder, for later viewing by the user.
• a content rendering terminal such as for example a digital television receiver equipped with a decoder of the type Set-Top-Box
• the user may have difficulty deciding for which audio-visual content is recorded.
• the user may be forced to view for a few moments some of the previously saved content, or all.
• Such manipulation is not ergonomic and takes time.
• the user can also connect to a dedicated website in order to retrieve a summary of the audiovisual content he has recorded, such as a trailer.
• Such manipulation is also not very practical, the user must necessarily have an Internet connection.
• such manipulation is often proposed only for certain types of audiovisual content only, including films. In the case where the user wishes, for example, to visualize a concert, a television program, etc., there are not always extracts of this type of content.
• One of the aims of the invention is to overcome disadvantages of the state of the art mentioned above.
• an object of the present invention relates to a method for generating a representative stream of audiovisual content that can be broadcast by a broadcast network.
• Such a method is remarkable in that it comprises, prior to the dissemination of the aforementioned content, the following steps:
• Such an arrangement allows a user having previously recorded audiovisual content extracted from a broadcast stream, via a broadcast network, to have the ability to view either all of the recorded audiovisual content, or a summary associated with this audiovisual content.
• the visualization of the summary is advantageously carried out by sequencing the various sequences identified by their respective start and end sequence information.
• the summary of the audiovisual content is included in the audiovisual content itself, which avoids any broadcasting or downloading in parallel of a summary of this content.
• the start and end information of the time sequence are added either to the data of the audiovisual content or to broadcast parameters associated with the stream to be broadcast.
• the user who wishes to view the summary of audiovisual content previously broadcast, then recorded or downloaded does not need to select itself the temporal sequences of the audiovisual content, nor to manage itself. sequence of these sequences. Such operations are indeed set by the audiovisual content provider, prior to the broadcast of the audiovisual content.
• the time sequences are each numbered according to a predetermined order.
• the summary or trailer can be characterized according to the wishes of the supplier or producer of audiovisual content to show in the summary / trailer of the film first the final scene of the film, then a return in the disorder on several temporal sequences different from the film, to surprise the user without necessarily revealing all the content.
• the generation method according to the invention further comprises the following steps:
• Such a provision makes it possible to associate with the audiovisual content several resumes of different types that meet the wishes of the user or the audiovisual content provider. For example, for a content given audiovisual, the user could view either a summary that reveals the highlights of the content, a summary that reveals only the mood of the content, or a summary that reveals only the scenes in which appears the favorite character of the user , etc.
• resumes of a different type are easily identifiable in the diffused stream, thanks in particular to the start and end of sequence information which characterize each plurality of temporal sequences.
• the generation method according to the invention further comprises the following steps:
• the invention also relates to a device for generating a representative stream of audiovisual content that can be broadcast by a broadcasting network, such a device being adapted to implement the aforementioned generation method.
• Such a generation device is remarkable in that it comprises the following modules capable of being activated prior to the broadcasting of the aforementioned audiovisual content:
• the invention also relates to a telecommunications signal carrying a representative stream of audiovisual content intended to be broadcast by a broadcast network.
• Such a signal is remarkable in that it comprises a plurality of time sequences with associated start and end sequence information respectively, such sequences and information being implemented by the aforementioned generation method.
• the invention also relates to a method for rendering a representative stream of audiovisual content, such a stream having been generated according to the aforementioned generation method.
• Such a rendering process is remarkable in that it comprises the following steps:
• the read control step consists in linking one after the other each of the time sequences respectively corresponding to each of the identified beginning and end of sequence information.
• the identified temporal sequences are selected according to an order of predetermined numbering.
• the read command of this at least one temporal sequence implementing simultaneously the restitution of the audio data associated with this at least one temporal sequence.
• the restitution method according to the invention comprises, following the step of accessing the aforementioned flow, the following steps:
• the invention also relates to a device for rendering a representative stream of audiovisual content, such a device being adapted to implement the restitution method mentioned above.
• Such a rendering process is remarkable in that it comprises the following modules:
• the invention also relates to a computer program comprising instructions for implementing the generation method according to the invention, when it is executed on a computer.
• the invention also relates to a computer program comprising instructions for implementing the rendering method according to the invention, when it is executed on a computer.
• Each of these programs can use any programming language, and be in the form of source code, object code, or intermediate code between source code and object code, such as in a partially compiled form, or in any form what other form is desirable.
• the invention also relates to a computer-readable recording medium on which a computer program is recorded, this program comprising instructions adapted to the implementation of the generation method according to the invention, as described above. .
• the invention also relates to a recording medium readable by a computer on which a computer program is recorded, this program including instructions adapted to the implementation of the restitution method according to the invention, as described above. .
• Each of these recording media can be any entity or device capable of storing the program.
• the medium may include storage means, such as a ROM, for example a CD ROM or a microelectronic circuit ROM, or a magnetic recording means, for example a USB key or a hard disk.
• each of the recording media may be a transmissible medium such as an electrical or optical signal, which may be conveyed via an electrical or optical cable, by radio or by other means.
• the programs according to the invention may in particular be downloaded on an Internet-type network.
• the recording medium may be an integrated circuit in which the program is incorporated, the circuit being adapted to execute or to be used in the execution of the aforementioned generation or reproduction method.
• the generation device, the telecommunications signal, the reproduction method, the rendering device and the corresponding computer programs mentioned above have at least the same advantages as those conferred by the generation method according to the present invention.
• Figure 1 schematically shows a broadcasting system of an audiovisual signal according to the invention
• FIG. 2 schematically shows the steps of a method for generating an audiovisual stream according to the invention
• FIGS. 3a to 3d schematically illustrate the structure of a signal carrying a stream of audiovisual data according to four embodiments of the invention
• FIG. 4 schematically shows the steps of a method for rendering an audiovisual stream according to the invention
• FIGS. 5a to 5c show examples of interfaces displayed on the user's television set when the rendering method of FIG. 4 is implemented
• FIG. 6 shows the simplified structure of a device for generating an audiovisual stream according to one embodiment of the invention
• FIG. 7 shows the simplified structure of a device for rendering a first audiovisual stream according to one embodiment of the invention. Description of a particular embodiment of the invention
• the general principle of the invention is based on the insertion, in a representative stream of audiovisual content whose distribution is provided later or in the course of broadcasting, a plurality of information of beginning and end of time sequences.
• a stream thus constituted enables a user having previously accessed this broadcast stream, to directly select, at the time of the return of the audiovisual content associated with this stream, either the viewing of all the audiovisual content, or a summary of this content.
• audiovisual which consists of the only concatenation of the aforementioned temporal sequences.
• a data stream SD broadcasting system encoding audiovisual contents broadcast by a head-end server equipment TR.
• the broadcasting of such streams is, for example, over the air, or satellite or IP multicast, in accordance with a digital television standard, such as for example the DVB (for "Digital Video Broadcasting") ", in English).
• the head end TR communicates with a PFS service platform from which a user has previously registered, so as to access audiovisual content provided by the service platform.
• the broadcasting system SD comprises an access terminal STB representative of such audiovisual contents, such access terminal being able to receive said streams, to process them and to return them to a user.
• This access terminal comprises, or depending on the case, is connected to a display terminal, for example a TV set.
• the access terminal STB is also provided with means for storing audiovisual contents, in particular those that are broadcast by the RD network. Alternatively, it can also be connected to an external audiovisual content recording module.
• the user can interact with the access terminal STB using a remote control TC comprising keys dedicated to commands prerecorded.
• a remote control TC comprising keys dedicated to commands prerecorded.
• the user can request the selection of audiovisual content previously received by simply pressing the directional keys " ⁇ -", “ ⁇ ", " ⁇ ", "J” in a menu associated with the visualization of the contents received. It can also validate the selected audiovisual content by pressing the "OK" key.
• a key on his remote control a message comprising the command associated with this key is sent to the access terminal STB according to a known and standardized communication protocol, for example an infrared remote control protocol RC5 (for " Remote Control 5 ", which will not be detailed here.
• RC5 for " Remote Control 5 "
• a smart terminal (“smartphone” in English) or a tablet equipped with a suitable software application, can advantageously replace the physical remote control.
• the intelligent terminal communicates with a remote server that sends a control message corresponding to the action chosen by the user by means of the remote control application to the access terminal STB.
• the server equipment TR receives, from the platform PFS of FIG. 1, a data stream F representative of a audiovisual content CA intended to be broadcast at the terminal of STB access via the RD broadcast network.
• audiovisual content consists for example of a film, a television show, a concert, a sports event such as in particular a football match, etc.
• the server equipment TR determines, in said stream F, a plurality of time sequences ST a , ST a2 , ST ai ,..., ST aM , with 1 ⁇ i ⁇ M. Said temporal sequences follow temporally in the audiovisual content CA and are representative of a summary of a first type of the latter.
• such a determination step consists in selecting the temporal sequences of the audiovisual content selected to make the summary or trailer of the first type.
• a summary or trailer of the first type includes for example the most important facts of audiovisual content.
• the server equipment TR determines, in said stream F, another plurality of time sequences ST b i, ST b 2, ST b j,. . . , ST b N, with 1 ⁇ j ⁇ N. Said temporal sequences follow one another temporally in the audiovisual content CA and are representative of a summary of a second type of the latter.
• such a determination step consists in selecting temporal sequences representative of the facts relating the atmosphere of the audiovisual content.
• the temporal sequences could be representative of a short version of the audiovisual content or a longer version of the audiovisual content depending on the number and / or duration of the determined temporal sequences.
• the server equipment TR associates, for each of said time sequences determined in the above-mentioned step E2, start and end information of the sequence (ID a ; IF a ), (ID a2 , IF a2 ), ... , (I Dai; IF ai ), ... (ID aM , IF aM ).
• the server equipment TR associates, for each of said time sequences determined in the above-mentioned step E'2, information start and end of sequence (ID b i; IF b i), (ID b 2; IF b2), ... , (I Dbi; I Fbj), ... (ID bN , IF bN ). Sequence start and end information (ID a ; IF a ), (ID a2 ; IF a2 ), ..., (ID ai ; IF ai ), ...
• Said determined time sequences are each further numbered according to a predetermined order.
• the end of sequence information may alternatively be a parameter that defines the duration of said sequence, in association with the start of sequence information.
• the start and end information of the temporal sequence are added to the data of the stream F representative of the audiovisual content CA.
• the start and end information of the time sequence are added in broadcast parameters associated with said stream F.
• the server equipment TR associates, for at least one of said time sequences determined in step E2 above, audio data.
• said time sequences determined in step E2 are respectively associated with audio data DA a , DA a2 ,..., DA ai ,..., DA aM .
• step E'4 represented in FIG. 2, and for this reason is represented in dashed line, the server equipment TR associates, for at least one of the said time sequences determined in the above-mentioned step E'2, audio data.
• said time sequences determined in step E'2 are each respectively associated with audio data DA b1 , DA b2 ,..., DA bj ,..., DA bN .
• such audio data are for example intended to complement the sound data present in each time sequence. It may be for example a dedicated music or an explanatory comment.
• such audio data is for example intended to replace the sound data present in each time sequence.
• This may be for example a language desired by the user that is different from the original language of the audiovisual content.
• the server equipment TR adds the start and end information of the time sequence (ID a ; IF a i), (ID a2 ; IF a2 ), ..., (ID ai ; IF ai ), ... (ID aM ; IF aM ) that he associated in step E3 to the flow F representative of the audiovisual content.
• the server equipment TR adds the start and end information of the time sequence (ID b i; IF i). (ID 2; IF b2), ..., (ID bi, bj IF), ... (ID bN, bN IF) that has associated with E'3 step, the stream F representative of the content audio-visual.
• the server equipment TR adds the audio data associated with the step E4 to the stream F representative of the audiovisual content. .
• step E'6 represented in FIG. 2, and for this reason is represented in dotted lines, the server equipment TR adds the audio data that it has associated with step E'4 to the stream F representative of audiovisual content.
• Such steps can be implemented well before the decision to broadcast the audiovisual content, in the case where the latter is a film for example.
• such steps can be implemented in real time during the broadcasting of audiovisual content, such as, for example, a live sports event.
• the stream Fe thus generated is able to be broadcast via the broadcast network RD to the access terminal STB shown in FIG.
• the audiovisual content CA is conveyed by the broadcasting network RD in a signal S carrying the enriched data stream Fe, of which various possible structures will now be presented schematically in relation to FIGS. 3a and 3b. , 3c and 3d.
• the Fei flux represented in FIG. 3a (Fe 2 , Fe 3 , Fe 4 respectively in FIGS. 3b, 3c and 3c) comprises a first sub-flux SFe-n (FIG. SFe 2 i, SFe 3 i, SFe 4 i respectively in Figures 3b, 3c and 3d) which contains the data encoding the CA content and a second signaling sub-flux SFe-i 2 (SFe 2 2, SFe 3 2, SFe 42 respectively in Figures 3b, 3c and 3d), which contains information permitting the Fei flux (respectively Fe 2 , Fe 3 , Fe 4 ) to be analyzed by the access terminal STB of the user.
• SFe-n FIG. SFe 2 i, SFe 3 i, SFe 4 i respectively in Figures 3b, 3c and 3d
• SFe-i 2 SFe 2 2, SFe 3 2, SFe 42 respectively in Figures 3b, 3c and 3d
• the SFe-i 2 signaling sub-stream contains, in a manner known per se, at least one identifier IDi of the audiovisual content CA, information DESCi of the audiovisual content CA, such as for example its kind , associated time information, start time of broadcast type, end time.
• the first sub-flux SFe-n furthermore contains a plurality of temporal sequences STa-ii, STan,..., STa M i which succeed one another temporally and which are respectively identified by sequence start and end information (IDa-11; IFa- ⁇ ), ..., (IDan; IFan), ... (IDa M i; IFa M i) - such sequences temporal patterns are represented by diagonal hatching in Figure 3a.
• the SFe-i 2 signaling sub-flux contains 2xM flux pointers (PDan; PFa-n), ..., (PDan; PFan), ... (PDaMi; PFaMi) which are respectively associated with sequence start and end information (IDan; IFan) (IDa h ; IFa h ), ... (IDa M i; IFa M i).
• the first sub flow SFe i 2 further contains a plurality of time sequence STa-i 2, STa i2, ..., STa M2 which follow one another in time and which are identified respectively by sequence start and end information (IDa-i 2 ; IFa-i 2 ), ..., (IDa i2 ; IFa i2 ), ... (IDa M2 , IFa M2 ).
• the latter are respectively associated with the flux pointers (PDa-i 2 , PFa-i 2 ), ..., (PDai 2 , PFai 2 ), ... (PDaM 2 , PFaM 2 ) directly in the SFe signaling sub-stream. 22 .
• Such time sequences are represented by diagonal hatching in Figure 3b.
• the time sequences STan, STan,..., STa M i of FIG. 3a are respectively respectively associated with audio data DAa-n, DAan, ... , DAa M i -
• audio data is synchronized with its corresponding time sequence in the SFe-i 2 signaling sub-stream 2 .
• the time sequences STa-i 2 , STa i2 ,..., STa M2 of FIG. 3b are each respectively associated with audio data DAa-i 2 , DAa i2 , ..., DAa M2 .
• Such audio data is synchronized with its corresponding time sequence in the SFe signaling sub-stream 22 .
• FIG. 3c there is shown a third embodiment of a stream Fe 3 according to the invention.
• the temporal sequences STa-i 3 , STai 3 ,..., STaM 3, which are represented by diagonal hatching, follow each other temporally in the first sub-flux SF e 3 i of the flow Fe 3 are numbered in a predetermined order which is different from the temporal order in which these sequences succeed one another.
• the first time sequence read is the ith time sequence STa i3
• the ith time sequence read is the first time sequence STa-i 3
• the last time sequence read is the M-th time sequence STa M3 .
• the first sub-stream SFe 4 i contains two different temporal sequence pluralities, a first plurality of time sequences STa-i 4 , STai 4 , ..., STa M4 , and a second plurality of time sequences IBRA 4, bST j4, ..., N4 bST.
• the first plurality of temporal sequences is representative of a summary of a first type of audiovisual content
• the second plurality of temporal sequences is representative of a summary of a second type of content. audio-visual.
• the temporal sequences STa-i 4 , STai 4 ,..., STa M4 follow each other temporally and are respectively identified by information of beginning and end of sequence (IDa-i 4 ; IFa-i 4 ), ..., (IDa, 4 , IFai 4 ), ... (IDaM 4 , IFaM 4 ).
• Such time sequences are represented by straight diagonal hatching in Figure 3d.
• the SFe signaling sub-flux 42 contains 2xM flux pointers (PDa-i 4 , PFa-i 4 ), ..., (PDai 4 , PFai 4 ), ... (PDaM 4 , PFaM 4 ) which are respectively associated with the start information and end sequence (IDa-i 4; IFAI 4), ..., (IDa i4; IFa i4) ... (IDa M4; IFa M4).
• the temporal sequences IBRA 4, bST j4, ..., N4 bST successive temporally and are respectively identified by the start information and end sequence (IDb-i 4; 4 I Fb) ⁇ (IDb j4 ; j4 IFB) ... (IDb N4; IFB N4).
• Such time sequences are represented by left diagonal hatching in Figure 3d.
• the signaling sub-stream 42 contains SFe 2xN flow pointers (PDbi 4; PFb 4-i), ..., (PDb j4; PFb j4) ... (PDb N4; PFb N4) which are respectively associated with the start information and end sequence (Idbi 4; IFB 14), ..., (IDb j4; IFB j4) ... (IDb N4; IFB N4).
• time sequences STa-i 4, STa i4, ..., M4 STa of Figure 3d are each respectively associated with DAa i-4 audio data DAa i4 , ..., DAa M4 .
• Such audio data is synchronized with their corresponding time sequence in the SFe signaling sub-stream 42 .
• the time sequences IBRA 4, bST j4, ..., m STb of Figure 3d are each respectively associated with Vietnamese 4 audio data, DAb j4 .. ., Such audio data is synchronized with their corresponding time sequence in the SFe signaling sub-stream 42.
• Said information which has just been described above in relation to the signaling sub-stream advantageously constitutes additional information associated with the audiovisual content and of which the access terminal STB of FIG. 1 needs to implement the action commissioned by the user to allow him to view either the audiovisual content in its entirety or a summary thereof.
• Such additional information according to the invention may, relative to a first aspect, be inserted in a "private" field of a description element of the signaling sub-stream event table of a broadcast data stream, such a table being specified in the DVB-SI standard, which provides data fields, called “private", whose use is free.
• a specific field could be created for the use provided by the invention and specified, for example in the DVB-SI standard. This would have the advantage of providing universal compatibility of the access terminals available on the market.
• the access terminal STB accesses the broadcast stream as previously generated according to the steps represented in FIG. 2.
• Access to the stream is performed via an audiovisual content storage module which is contained in the access terminal STB and in which the stream has been previously recorded or from which the stream is downloaded.
• such an audiovisual content storage module could be external and therefore connected to the access terminal STB.
• the access terminal STB detects a first user interaction U 11 on its remote control, requiring the display of the list of audiovisual contents received. Such an interaction U 11 is shown in FIG.
• the access terminal STB responds to this request by sending a command CD1 to the television set of FIG. 1, so that the latter displays a list L of audiovisual contents received.
• a list L is shown by way of example in Figure 5a. It comprises a succession of audiovisual contents CA ; CA 2 ,..., CA k ,..., CA q (1 ⁇ k ⁇ q) which are respectively associated with a title Ti, T 2 , ..., T k , ... T q .
• the access terminal STB detects a second user interaction UI2 on its remote control, requiring the selection of one of the audiovisual contents of the list L, for example audiovisual content CA k .
• a second user interaction UI2 is shown in Figure 1.
• the access terminal STB responds to this request by sending a command CD2 to the television set of FIG. 1, for the latter to display information relating to the audiovisual content CA k .
• the display of such information is shown by way of example in Figure 5b.
• an identification sticker audiovisual content CA k an IC1 icon entitled for example "General Information”
• the general information contains, for example, the year of the content, its duration, a textual summary of the content, the list of the main actors / actresses of this content, etc.
• a third IC3 icon for example "trailer”, is also associated with audiovisual content CA k .
• Such an interface allows the user to be able to decide to immediately view the audiovisual content CA k or rather, initially, to view a summary of audiovisual content CA k .
• a variant IC'3 of the third icon IC3 is shown in FIG.
• the icon IC'3 is subdivided into two sub-icons
• IC'a3 and IC'b3 which are for example entitled respectively "trailer 1" and "trailer 2".
• Such sub-icons appear when the audio-visual content CA k contains for example two pluralities of different temporal sequences such as the first plurality of time sequences STa-i 4 , STai 4 , ..., STa M4 , and the second plurality of sequences temporal IBRA 4, bST j4, ..., N4 bST which are shown in Figure 3d.
• the access terminal STB detects a third user interaction UI3 on its remote control, requiring the selection:
• Such an interaction UI3 is shown in FIG.
• the access terminal STB selects the entire audiovisual content CA k from said received stream and then responds to the request of the user by sending a CD3a playback command to the TV set of Figure 1, for the latter to render the audiovisual content CA k to the user without searching and automatically selecting sequences.
• the access terminal STB identifies from said stream containing the audiovisual content CA k :
• the time sequences STAI 4, STAI 4, ..., M4 STa identified respectively by the flow of pointers (PDa-i 4; ISRP 4), ..., (PDa i4; ISRP 4) ... (4 pdam; Pfam 4) which are respectively associated with the start information and end sequence (IDa-i 4; IFa 4), - - -, (IDa i4; IFa i4) .. . (IDa M4; IFa M4) and, on the other hand, the time sequences IBRA 4, bST j4, ..., m bST identified respectively by the flow of pointers (PDbi 4; PFb 4-i) ..
• the access terminal STB searches for and then selects the identified time sequences in the predetermined order indicated in the corresponding stream.
• step R9b shown in FIG. 4 as soon as the access terminal STB selects a time sequence, it sends the latter to the TV set of FIG. 1 via a read command CD2b. Said selected temporal sequences representative of the summary of audiovisual content CA k are then successively restored on the fly by the access terminal STB, which allows a fluid display of this summary on the TV TV.
• the generation device 100 implements the generation method according to the invention as described above.
• the device 100 is integrated with a server equipment or headend TR of an audiovisual data stream broadcasting network RD.
• the device 100 could be independent and connected to the equipment TR.
• the equipment TR comprises a broadcasting unit BRC which is adapted to broadcast, via the network RD, the streams generated by the generation device 100.
• the device 100 comprises a processing unit 1 10, equipped for example with a processor P1, and driven by a computer program Pg1 120, stored in a memory M1 130 and implementing the stream generation method. according to the invention.
• the code instructions of the computer program Pg1 120 are for example loaded into a RAM memory (not shown) before being executed by the processor P1 of the processing unit 1 10.
• the processor processing unit 1 10 implements the steps of the generation method described above, according to the instructions of the computer program Pg1 120.
• the generation device 100 comprises at least one determination unit DET in said content. audiovisual of a plurality of temporal sequences, an association ASS unit, for each of the determined time sequences, start and end of sequence information, and an INS unit for adding said information to the stream to be broadcast. These units are driven by the processor P1 of the processing unit 1 10.
• the restitution device 200 implements the restitution method according to the invention as described above.
• the rendering device 200 is integrated with an access terminal STB to a data flow broadcasting network. audiovisual. According to one variant, the device 200 could be independent and connected to the access terminal STB.
• the device 200 comprises a processing unit 210, equipped for example with a processor P2, and driven by a computer program Pg2 220, stored in a memory 230 and implementing the restitution method according to the invention. .
• the code instructions of the computer program Pg2 220 are for example loaded into a RAM (not shown) before being executed by the processor P2 of the processing unit 210.
• the processor of the processing unit 210 implements the steps of the restitution method described above, according to the instructions of the computer program 220.
• the restitution device 200 comprises at least one DTC unit for detecting an interaction U a user of the access terminal STB, a selection unit SEL from said recorded stream of all the audiovisual content or of said plurality of time sequences of the audiovisual content, and a control unit CLEC of reading the whole of said selected audiovisual content or of the plurality of selected time sequences. These units are driven by the processor P2 of the processing unit 210.
• the reproduction device 200 is thus arranged to cooperate with the access terminal STB and, in particular the following modules of this terminal: a module INT of processing of user interactions, an audiovisual content stream receiving REC module broadcast on the broadcast network RD, an audiovisual content recording module STR in an MS storage memory.
• a first use case is for example to access the trailer / automatic summary of audiovisual content broadcast live and previously recorded or downloaded in the access terminal STB of Figure 1.
• a user programs, for example, several audiovisual contents during the week and when the weekend arrives, he displays directly on his television TV, via the interface represented in FIG. 5a, the list of recordings or downloads he owns.
• the user requests for each audiovisual content recorded / downloaded the trailer / associated summary, using the interface shown in Figure 5b.
• the access terminal STB then only controls, for requested audiovisual content, the visualization of the time sequences identified respectively by their respective information of beginning and end of the sequence.
• the visualization of these temporal sequences is carried out without additional intervention of the user on the choice and the duration of the sequences and without adding dead time between the latter, which allows a great fluidity in the sequence of these sequences.
• a second use case is to access the trailer / summary of a given type.
• the trailer / summary in question is that of audiovisual content broadcast live and previously recorded or downloaded in the access terminal STB of Figure 1.
• a user has for example recorded or downloaded during his holidays several episodes of his favorite series in order not to miss any.
• one evening is broadcast live the last episode of his favorite series that he is very eager to see.
• the user does not have time to watch, before the broadcast of the last episode, the missed episodes.
• the user chooses to access the trailer / summary of a first type, such as "highlights,” in order to properly track the last episode that will be broadcast.
• a friend of the user does not yet know the series. Therefore, this friend chooses to access the trailer / summary of a second type, such as "scene atmosphere" of the first episode recorded or downloaded, to get just an idea of the series.
• the generation method according to the invention could be implemented, not directly in the equipment TR of Figure 1, but in equipment that would be interposed between the equipment TR and the service platform PFS.

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• Computer Security & Cryptography (AREA)
• Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

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• 2013
  • 2013-03-26 FR FR1352706A patent/FR3004054A1/fr not_active Withdrawn
• 2014
  • 2014-03-21 EP EP14717159.9A patent/EP2979461A1/de not_active Withdrawn
  • 2014-03-21 WO PCT/FR2014/050660 patent/WO2014154975A1/fr active Application Filing
  • 2014-03-21 US US14/773,745 patent/US20160044388A1/en not_active Abandoned

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