JP2011205415A - Apparatus and method for editing information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically generate a plurality of play lists based on single content.SOLUTION: A TS processor 203 performs a predetermined processing to contents data input from a broadcast wave processor 20, an external apparatus IF part 21, a reproduction processor 202, and the like. The TS processor 203 outputs data subjected to processing by the predetermined processing to a decoder 204, a record processor 205, and a scene analyzer 206. The scene analyzer 206 analyzes data of the input content, sorts it into a plurality of sections for each category, and stores the analysis results in a HDD 61 via an information controller 208. A play list generator 207 generates the plurality of play lists for each category based on the analysis results of the scene analyzer 206. An OSD 209 generates an OSD for presenting the plurality of play lists.

Description

  One embodiment of the present invention relates to an information editing apparatus and an information editing method for editing video / audio content information.

In recent years, devices that record content and automatically execute editing of the content have become widespread.
For example, according to Japanese Patent Application Laid-Open No. 2004-228620, a device that performs scheduled recording of a plurality of television programs based on reservation information such as day of the week, time zone, and channel automatically generates a playlist related to the recorded television programs. This device creates a playlist that is automatically rearranged for each broadcast content by referring to the reserved day of the week, time zone, and channel.

  There is also known a device that automatically assigns a plurality of chapter switching points that delimit the boundary between the main part and the CM part of a program after recording the program. This device automatically generates a plurality of chapters specifying the main part and CM part of the program based on the assigned chapter switching points. In addition, this device automatically generates a playlist in which a plurality of chapters specified as a main part of a program are aggregated among a plurality of automatically generated chapters.

Japanese Patent Laying-Open No. 2006-147094 (paragraph 0034 in FIG. 2)

  However, in Patent Document 1, a playlist is generated in which a plurality of television programs recorded in the same day, time zone, and channel are rearranged in order. That is, in order to reproduce a plurality of related television programs in order, one playlist is generated for one television program.

  In addition, a device that automatically generates a playlist in which a main part of a program is aggregated automatically generates one playlist in which a plurality of chapters specified as the main part of the program are aggregated for one program.

  Therefore, conventionally, only one playlist is automatically generated for one content. For this reason, the production | generation of the several play list with respect to one content was made | formed by the edit operation by the user of an apparatus.

  Accordingly, an object of the present invention is to provide an information editing apparatus and an information editing method for automatically generating a plurality of playlists based on one content in order to solve the above-described problems.

  In order to solve the above-described problem, an embodiment of the present invention divides content data into a plurality of sections on a time axis according to the features of each scene, and sets a category for each of the divided sections. A classifying means for identifying; a generating means for generating, for each category, a plurality of playlists for reproducing a section having the same category in a predetermined order among the plurality of sections divided by the sorting means; and the generating means There is provided an information editing apparatus comprising: an output unit that outputs a screen presented in one screen so that a plurality of identification images for identifying each of the generated plurality of playlists can be selected. .

  In addition, in order to solve the above-described problem, an embodiment of the present invention divides content data into a plurality of sections on a time axis according to features for each scene, and sets categories for each of the divided sections. A plurality of playlists for reproducing the sections having the same category in a predetermined order among the plurality of divided sections, and identifying each of the plurality of generated playlists. There is provided an information editing method characterized by outputting a screen presented in one screen so that a plurality of identification images can be selected.

  According to the present invention, a plurality of playlists based on one content can be automatically generated.

The block diagram which shows the structure of the HDD recorder which is the information editing apparatus which concerns on embodiment of this invention. The system block diagram which consists of each block with which a signal processing control part is provided, and performs a playlist production | generation process. The figure which shows the example of OSD for setting the information required in order to produce | generate a some play list. The flowchart for demonstrating operation | movement of a play list production | generation process. The figure which shows the 1st specific example of the analysis result of the information of the content by a scene analysis part, and the some play list which a play list production | generation part produces | generates according to this analysis result. The figure which shows the 2nd specific example of the analysis result of the information of the content by a scene analysis part, and the some playlist which a playlist production | generation part produces | generates according to this analysis result. The figure which shows the 1st example of OSD for presenting the information regarding the preserve | saved content and several play list. The figure which shows the 2nd example of OSD for showing the information regarding the preserve | saved content and several play list.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of an HDD recorder 10 which is an information editing apparatus according to an embodiment of the present invention.
The HDD recorder 10 according to this embodiment includes a broadcast wave processing unit 20, an external device IF unit 21, an operation unit 31, a light receiving unit 32, a signal processing control unit 40, a video output processing unit 51, an audio output processing unit 52, an HDD 61, and the like. It consists of An antenna 98 is connected to the broadcast wave processing unit 20. The light receiving unit 32 exchanges information with a remote controller (hereinafter referred to as a remote controller) 99. The remote control 99 is a remote control device that uses infrared rays or radio. The video output processing unit 51 and the audio output processing unit 52 are connected to the video / audio output device 100.

  The HDD recorder 10 according to the present embodiment records a program received via the broadcast wave processing unit 20 or the external device IF unit 21. Also, the HDD recorder 10 generates a plurality of playlists based on the categories for each section divided according to the characteristics of each program scene. This category is a classification item based on the characteristics and type of the video and audio of the program. In the generated playlist, a reproduction order for reproducing a specific section on the time axis of the content data in a predetermined order is shown. Then, the HDD recorder 10 generates a video signal of a presentation screen for presenting an identification image for identifying the generated playlist in a predetermined display mode.

  The broadcast wave processing unit 20 includes a tuner and a demodulator corresponding to a digital broadcast wave or an analog broadcast wave received from the antenna 98 by the ground or satellite. The broadcast wave processing unit 20 receives a reception signal received by the antenna 98, and performs channel selection processing and demodulation processing of a specific channel on the reception signal. The broadcast wave processing unit 20 performs signal processing on a transport stream signal (hereinafter referred to as a TS signal) including program related information such as video / audio information of a program and a program name obtained by performing these processes. Output to the control unit 40. A plurality of broadcast wave processing units 20 may be provided.

  The external device IF unit 21 includes an information extraction unit that extracts necessary information based on various standards such as the HDMI (registered trademark) standard, the USB standard, or the IEEE 1394 standard. In addition, the external device IF unit 21 outputs a TS signal extracted from information received from a recording medium such as an external device connected via a connection terminal conforming to these standards, an external HDD, or a memory card, to the signal processing control unit 40. Output to. Information from the connected external device or storage medium includes content related information such as video / audio information of the content and content name. Further, the external device IF unit 21 may receive an analog video / audio signal from a connected external device. The external device IF unit 21 performs A / D conversion on the input analog video / audio signal, and outputs the converted digital video / audio signal to the signal processing control unit 40.

  The operation unit 31 includes an operation key, and outputs operation information corresponding to the operation key to the signal processing control unit 40. Similarly, the light receiving unit 32 receives an input signal transmitted from the remote controller 99 and outputs operation information corresponding to the received input signal to the signal processing control unit 40. The operation unit 31 and / or the remote control 99 includes a plurality of operation keys including operation keys (not shown) for operating a screen for setting information necessary for the HDD recorder 10 to generate a playlist. ing.

  The signal processing control unit 40 executes a plurality of processes using each module provided in the signal processing control unit 40 itself and each module connected to the signal processing control unit 40. For example, the signal processing control unit 40 receives a TS signal from any of the input sources such as the broadcast wave processing unit 20 and the external device IF unit 21 in accordance with operation information from the remote control 99 via the operation unit 31 or the light receiving unit 32. A selection process for selecting an input is performed. Further, the signal processing control unit 40 performs predetermined processing on the TS signal input from the selected input source, outputs video information to the video output processing unit 51, and outputs audio information to the audio output processing unit 52. Further, the signal processing control unit 40 outputs video / audio information obtained by performing predetermined processing on the TS signal input from the built-in HDD 61 to the video output processing unit 51 and the audio output processing unit 52.

  In the present embodiment, the signal processing control unit 40 executes a recording process for recording the TS signal input from the broadcast wave processing unit 20 or the external device IF unit 21 in the HDD 61. In addition, the signal processing control unit 40 generates a plurality of playlists based on categories for each section divided according to features of each scene of the program based on video / audio information of the program input from various input sources. Execute playlist generation processing. The signal processing control unit 40 executes a predetermined process for obtaining information necessary for the playlist generation process. Furthermore, the signal processing control unit 40 also executes an OSD generation process for generating an OSD for presenting the plurality of generated playlists.

  The video output processing unit 51 performs predetermined processing on the video information input from the signal processing control unit 40, and outputs the processed analog or digital video signal to the video / audio output device 100. The video output processing unit 51 outputs an OSD video signal for presenting a plurality of playlists generated by the signal processing control unit 40 to the video / audio output device 100.

  The audio output processing unit 52 performs predetermined processing on the audio information input from the signal processing control unit 40, and outputs the processed analog or digital audio signal to the video / audio output device 100.

  The HDD 61 is a drive device that executes a process of reading or writing information requested from the signal processing control unit 40 to a hard disk that is a storage medium. The HDD 61 stores video / audio information output from the signal processing control unit 40 and converted into a recording format. The HDD 60 stores data of a playlist generated by the signal processing control unit 40 and data necessary for the signal processing control unit 40 to generate the playlist. The HDD 61 may be an SSD (Solid State Drive) that performs a process of reading or writing information on a semiconductor element that is a storage medium for storing information, instead of a drive device that uses a hard disk. The HDD 61 may be provided outside the HDD recorder 10.

  The HDD recorder 10 may include not only the plurality of blocks described above but also a block (not shown) that implements a network communication function having a communication processing unit that performs communication via a network such as a LAN or a WAN. This block receives information including video / audio information of the content and content-related information from an information providing source such as a specific server or a recording medium connected to the network, and sends a TS signal based on this information to the signal processing control unit 40. Output. Further, the signal processing control unit 40 can select a TS signal input from this block as one of input sources.

  Further, the HDD recorder 10 may include an ODD (Optical Disc Drive) (not shown) for reading information from the optical disk or writing information to the optical disk. This ODD receives information including video / audio information of content and content-related information from the optical disc, and outputs a TS signal based on this information to the signal processing control unit 40. Further, the signal processing control unit 40 can select a TS signal input from this block as one of input sources.

  The present embodiment is an embodiment in which the HDD recorder 10 is taken as an example of an information editing apparatus to which the configuration according to the present invention is applied. However, the configuration according to the present embodiment may be an embodiment applied to an information editing apparatus such as a personal computer, a portable mobile terminal device, an optical disk recorder, or a television receiver. In addition, the embodiment may be an example of a set-top box that receives not only terrestrial broadcasting and satellite broadcasting but also radio broadcasting, wired broadcasting using the Internet or a cable network, and the like.

  With such a configuration, the plurality of blocks provided in the HDD recorder 10 according to the embodiment of the present invention generates a plurality of playlists based on TS signals of broadcast programs from various input sources. Further, the HDD recorder 10 executes a predetermined process for obtaining information necessary for generating a plurality of playlists. Therefore, the HDD recorder 10 according to the present embodiment can automatically generate a plurality of playlists based on one content. These processes are realized mainly by the signal processing control unit 40 executing a plurality of processes.

Next, the configuration of each block that is provided in the signal processing control unit 40 described in FIG. 1 and that executes the playlist generation processing will be described with reference to FIG.
FIG. 2 is a system configuration diagram that is provided in the signal processing control unit 40 and includes blocks that execute playlist generation processing.
As described above, in the playlist generation process according to the present embodiment, a plurality of playlists based on one content are generated. Therefore, the playlist generation processing according to the present embodiment is performed on the TS signal of one content input from various input sources.

  The signal processing control unit 40 includes an encoder 201, a reproduction processing unit 202, a TS processing unit 203, a decoder 204, a recording processing unit 205, a scene analysis unit 206, a playlist generation unit 207, an information management unit 208, an OSD generation unit 209, a synthesis Part 210 and the like.

  The encoder 201 performs a predetermined process on the video / audio signal after A / D conversion input from the external device IF unit 21 and encodes it. The encoder 201 includes information related to video and audio, and outputs the encoded TS signal to the TS processing unit 203. In addition, when the TS signal is input from the external device IF unit 21, the encoder 201 outputs the TS signal to the TS processing unit 203. The encoder 201 outputs a TS signal encoded based on the MPEG format to the TS processing unit 203.

  The reproduction processing unit 202 performs a predetermined process on a signal including information related to video and audio input from the information management unit 208 and converts the signal into a TS signal. The reproduction processing unit 202 outputs this TS signal to the TS processing unit 203. The reproduction processing unit 202 receives a PS signal or a TTS signal conforming to the MPEG format, and outputs a TS signal encoded based on the MPEG format to the TS processing unit 203.

  The TS processing unit 203 separates the TS signal of the content input from the broadcast wave processing unit 20, the encoder 201, or the reproduction processing unit 202, and extracts video information, audio information, and other information. This extracted information includes video information or audio information having various characteristics for each scene. The TS processing unit 203 outputs the extracted information to the decoder 204, the recording processing unit 205, and the scene analysis unit 206 in parallel. In addition, the TS processing unit 203 extracts information on the content genre and outputs the information to the recording processing unit 205 and the scene analysis unit 206.

  The decoder 204 performs a predetermined process on the information including the video information or audio information input from the TS processing unit 203 and decodes the information. Then, the decoder 204 outputs the decoded video signal to the synthesis unit 210 and the decoded audio signal to the audio output processing unit 52, respectively. The decoder 204 outputs the video signal and audio signal decoded based on the MPEG format to the synthesis unit 210 and the audio output processing unit 52.

  The recording processing unit 205 performs a predetermined process for recording the information including the video information or the audio information input from the TS processing unit 203 and converts the information into a signal having a predetermined format. The recording processing unit 205 outputs the converted signal to the information management unit 208. The recording processing unit 205 outputs the PS signal or TTS signal converted based on the MPEG format to the information management unit 208.

  The scene analysis unit 206 analyzes information including video information or audio information input from the TS processing unit 203. In this analysis, the scene analysis unit 206 detects a feature for each scene such as an image frame unit based on the input information. For example, this feature is a silent part based on audio information or a part exceeding a predetermined volume, a single color part based on video information, or a part where a telop appears in a fixed part. In addition, the scene analysis unit 206 specifies search information such as data address information or time information that can search the scene for which the detected feature is switched. The scene analysis unit 206 divides the content information into a plurality of sections on the time axis based on the search information. Furthermore, the scene analysis unit 206 specifies a category indicating information for classifying each section based on the characteristics of each section for each of the plurality of sections divided by the search information. This category is information indicating a scene type such as a main content scene or a commercial message scene of content. The category may be information indicating a music scene in which music is played, a highlight scene in which many people cheer. Therefore, a plurality of categories may be detected for one scene. Then, the scene analysis unit 206 associates the search information as the analysis result with the information related to the category and outputs it to the information management unit 208. For the analysis of the information executed by the scene search unit 206, for example, a technique for detecting the boundary between the main part and the commercial message disclosed in Japanese Patent No. 4427600 can be applied. Furthermore, the scene analysis unit 206 can also specify a category using information regarding the genre of content input from the TS processing unit 203. For example, if the genre of the input content is a music genre, a category corresponding to a music scene is selectively specified, and if a genre is a sports genre, a category corresponding to a highlight scene is selectively specified.

  The playlist generation unit 207 generates a playlist related to the content based on the information acquired from the information management unit 208 and including the video information or audio information of the content. Specifically, the playlist generation unit 207 obtains, from the information management unit 208, the analysis result of the scene analysis unit 206 on the information on the target content and information on the category on which the playlist is to be generated. Then, when a plurality of categories are specified in a plurality of sections of the content and this category is a playlist generation target, the playlist generation unit 207 generates a plurality of playlists for each category. The playlist for each category is a playlist for reproducing only the section detected as a common category in the content information. Further, the playlist generation unit 207 outputs information regarding the generated plurality of playlists to the information management unit 208.

  The information management unit 208 performs management for storing content data and playlist data. In addition, the information management unit 208 records or reads information on the HDD 61 in response to requests from the reproduction processing unit 202, the recording processing unit 205, the scene analysis unit 206, the playlist generation unit 207, and the OSD generation unit 209. The information management unit 208 associates information that needs to be associated among the information input from these blocks, and records this information in the HDD 61. Further, the information management unit 208 reads other information associated with information requested by these blocks from the HDD 61 as necessary, and outputs the read information to each block. The information management unit 208 may perform management for storing information in an HDD connected to the outside of the HDD recorder 10.

  The OSD generation unit 209 generates an OSD based on the information acquired from the information management unit 208, and outputs the generated OSD video signal to the synthesis unit 210. The OSD generation unit 209 generates an OSD for allowing the user to select and set information necessary for the playlist generation unit 207 to generate a playlist.

  The synthesizer 210 synthesizes the video signals input from the decoder 204 and the OSD generator 209 so as to be output on one screen. The combining unit 210 outputs the combined screen image signal to the image output processing unit 51.

  That is, the signal processing control unit 40 analyzes the features of each scene based on the video information or the audio information in order to obtain information necessary for generating a plurality of playlists by the system configuration of the plurality of blocks. To do. In addition, the signal processing control unit 40 generates an OSD for permitting the user to set information necessary for generating a plurality of playlists. Then, the signal processing control unit 40 generates a plurality of playlists based on TS signals of broadcast programs that are contents from various input sources. Therefore, the HDD recorder 10 according to the present embodiment can automatically generate a plurality of playlists based on one content.

  Next, an OSD for setting information necessary to generate a plurality of playlists, which is generated by the OSD generation unit 209 described in FIG. 2, will be described with reference to FIG.

FIG. 3 is a diagram illustrating an example of an OSD for setting information necessary for generating a plurality of playlists.
The OSD 400 shown in FIG. 3 is a screen for setting playlist items generated by the playlist generation unit 207 as described in the upper title of the OSD 400. The item of the playlist indicates a category corresponding to the feature of each section in the content information that is the material of the playlist. A user of the HDD recorder 10 can operate the screen of the OSD 400 by using an operation key (not shown) provided on the operation unit 31 or the remote controller 99. The screen of the OSD 400 is presented by operation keys (not shown) for initial setting of the HDD recorder 10 provided in the operation unit 31 and the remote control 99.

  On the OSD 400, a plurality of items (categories) 410a to 410d are presented. The plurality of items (categories) 410a to 410d are category candidates for generating a plurality of playlists. Also, next to each of the items (categories) 410a to 410d, setting frames 420a to 420d for setting whether or not to select the corresponding item are presented. These setting frames 420a to 420d are presented to be selectable. For example, the OSD 400 screen shown in FIG. 3 is in a state where a setting frame 420b corresponding to an item (category) 410b indicating a commercial playlist is selected. In this state, it is indicated that the setting frame 420b is selected by a mode of highlighting by thickening the outline. In order to show that it is selected, the present invention is not limited to this mode. For example, the color inside the setting frame 420b and the color of the outline may be different from other setting frames. .

  Also, the OSD 400 screen shown in FIG. 3 is in a state in which an item (category) 410a indicating a main playlist and an item (category) 410c indicating a music playlist are set. In this state, it is shown that the setting frame 420a is set in such a manner that the color inside the setting frame 420a corresponding to the item (category) 410a indicating the main play list is different from the non-selected setting frame. It is. Further, it is indicated that the setting frame 420c corresponding to the item (category) 410c indicating the music play list is set in the same manner. Therefore, the OSD 400 screen shown in FIG. 3 indicates that the main playlist and the music playlist are to be generated by the playlist generation unit 207.

  Furthermore, an operation guide 430 for performing an operation of selecting any of the setting frames 420a to 420d and an operation of setting the selected setting frame is presented at the bottom of the OSD 400 screen illustrated in FIG. The graphic shape and characters presented by the guide 430 correspond to operation keys (not shown) provided on the operation unit 31 and the remote controller 99. Therefore, the user of the HDD recorder 10 can easily select an item (category) that is a target of automatic playlist generation.

  That is, the playlist generation unit 207 generates a plurality of playlists according to the setting states for the setting frames 420a to 420d presented on the screen of the OSD 400.

Next, the operation of the playlist generation process executed by each block provided in the signal processing control unit 40 described in FIG. 2 will be described using FIG.
FIG. 4 is a flowchart for explaining the operation of the playlist generation process.
First, the playlist generation unit 207 acquires from the information management unit 208 the analysis result regarding the category for each section of the content information and information regarding the category for which the playlist is to be generated. The playlist generation unit 207 generates a necessary playlist based on the acquired information. In the flowchart shown in FIG. 4, it is assumed that the process is executed in a state where all the four categories presented on the OSD 300 shown in FIG. Also, it is assumed that all four categories are detected as analysis results regarding categories for each section of content information.

  The playlist generation unit 207 determines whether or not to generate a main playlist as a target category (S401). In the case of the determination result for generating the main part playlist (Yes in S401), the playlist generation unit 207 generates a playlist for reproducing the sections detected as the main part scene in a predetermined order (for example, in the order of oldest time). (S402). Then, after generating the main playlist, the playlist generator 207 determines whether to generate a commercial playlist as the target category (S403). Also, in the case of a determination result that does not generate the main play list (No in S401), the play list generating unit 207 determines whether to generate a commercial play list (S403).

  In the case of a determination result for generating a commercial playlist (Yes in S403), the playlist generation unit 207 generates a playlist for playing the sections detected as commercial scenes in a predetermined order (for example, in the order of oldest time). (S404). And after producing | generating a commercial play list, the play list production | generation part 207 determines whether a music play list is produced | generated as a target category (S405). Also, in the case of a determination result that does not generate a commercial playlist (No in S403), the playlist generation unit 207 determines whether to generate a music playlist (S405).

  In the case of a determination result for generating a music playlist (Yes in S405), the playlist generation unit 207 generates a playlist for playing the sections detected as music scenes in a predetermined order (for example, in the order of oldest time). (S406). After generating the music playlist, the playlist generation unit 207 determines whether to generate a highlight playlist as the target category (S407). Also, in the case of a determination result that does not generate a music commercial playlist (No in S405), the playlist generation unit 207 determines whether to generate a highlight playlist (S407).

  In the case of the determination result for generating the highlight playlist (Yes in S407), the playlist generation unit 207 generates a playlist for playing the sections detected as highlight scenes in a predetermined order (for example, in the order of oldest time). Generate (S408). Then, after generating the highlight playlist, or in the case of a determination result that does not generate the highlight commercial playlist (No in S407), the playlist generation unit 207 displays the plurality of playlists generated so far as the information management unit 208. To the HDD 61 (S409).

  Note that it is not necessary to generate a plurality of playlists along the flowchart shown in FIG. Since each playlist is independent of each other, it is possible to easily change the generation order of each playlist. Each playlist may be generated in parallel.

  Based on such an operation, a plurality of playlists corresponding to the item (category) selected by the user are generated. Therefore, the HDD recorder 10 according to the present embodiment can automatically generate a plurality of playlists based on one content.

  Next, with reference to FIGS. 5 and 6, an analysis result of content information by the scene analysis unit 206 and a specific example of a plurality of playlists generated by the playlist generation unit 207 according to the analysis result will be described.

  5 and 6 are diagrams illustrating specific examples of the content information analysis result by the scene analysis unit 206 and a plurality of playlists generated by the playlist generation unit 207 according to the analysis result.

  In the first specific example shown in FIG. 5, the genre of the original content # 1 that is the basis of a plurality of generated playlists is music. The time length of the original content # 1 is T9-T0. When analyzing the information of the original content # 1, the scene analysis unit 206 does not detect a section in which a category indicating a highlight scene is specified because the genre is music. Therefore, from the information of the original content # 1, a section in which categories indicating three scenes of the main scene, the commercial scene, and the music scene are specified is detected. When the content genre is music, it is determined in advance that categories indicating three scenes of a main scene, a commercial scene, and a music scene are detected.

  In the first specific example shown in FIG. 5, two sections A1 (section: T1 to T5) and A2 (section: T6 to T8) are used as the main scene, and B1 (section: T0 to T1) and B2 ( Three sections of sections: T5 to T6) and B3 (sections: T8 to T9) are detected. In addition, three sections of C1 (section: T2 to T3), C2 (section: T4 to T5), and C3 (section: T7 to T8) are also detected as music scenes. There are no overlapping sections in the main scenes A1, A2 and the commercial scenes B1, B2, B3. However, there are overlapping sections in the main scenes A1 and A2 and the music scenes C1, C2, and C3. This indicates that the main scene is a music scene. In other words, the music scene is detected as a part of the main scene. That is, in the three sections A1 and C1 (section: T2 to T3), A1 and C2 (section: T4 to T5), and A2 and C3 (section: T7 to T8), two scenes of the main scene and the music scene This means that a category indicating is detected.

  In this embodiment, the music scene is detected as a part of the main scene, but the present invention is not limited to this. For example, a music scene may be detected as part of a commercial scene. The music scene may be detected from either the main scene or the commercial scene.

  Then, in accordance with the flow chart shown in FIG. 3, based on the information of the original content # 1 in which a plurality of sections in which categories indicating the three scenes of the main scene, the commercial scene, and the music scene are specified are divided. A plurality of playlists are generated.

  That is, a main playlist in which A1 and A2 detected as the main scene are reproduced, a commercial playlist in which B1, B2, and B3 are detected as commercial scenes, and C1, which is detected as a music scene, A music playlist in which C2 and C3 are reproduced is generated. In each of the plurality of playlists, each section is reproduced, for example, in order from the oldest.

  In the first specific example, chapter points are not given to a plurality of search information that exists between T0 and T9 and serves as a boundary at which the category is switched. That is, there is only one chapter for original content # 1. However, it is preferable that chapter points are given to the plurality of playlists described above based on search information that is a switching portion of each section. That is, whether to assign chapter points based on search information specified by the scene analysis unit 206 may be arbitrarily determined.

  Although the embodiment has been described in which the highlight scene is not detected because the genre of the original content # 1 is music, the present invention is not limited to this. For example, an embodiment in which a highlight scene is detected but a highlight playlist is not generated may be used. Also. An embodiment in which a highlight scene is detected and a highlight playlist is generated even if the genre is music may be used. As described above, whether or not to predetermine a category related to a scene or a playlist to be detected according to the genre of content is arbitrary, but it is preferable to limit to a category suitable for the genre.

  In the second specific example shown in FIG. 6, the genre of the original content # 2 that is the basis of a plurality of generated playlists is sports. The time length of the original content # 2 is Th-T0. When analyzing the information of the original content # 2, the scene analysis unit 206 does not detect a section in which a category indicating a music scene is specified because the genre is sports. Therefore, from the information of the original content # 2, a section in which categories indicating the three scenes of the main scene, the commercial scene, and the highlight scene are specified is detected. When the content genre is sports, it is determined in advance that categories indicating three scenes of a main scene, a commercial scene, and a highlight scene are detected.

  That is, in the second specific example shown in FIG. 6, two sections are detected as the main scene, three as the commercial scene, and seven sections as the highlight scene. Similar to the first specific example shown in FIG. 5, there are overlapping sections in the main scene and the highlight scene. Therefore, in this overlapping section, it means that a category indicating two scenes of the main scene and the highlight scene has been detected.

  Then, based on the information of the original content # 2 in which a plurality of sections in which categories indicating the three scenes of the main scene, the commercial scene, and the highlight scene are specified as described above, the flowchart shown in FIG. A plurality of playlists are generated along the way.

  That is, a main playlist that reproduces two sections detected as a main scene and a commercial playlist that reproduces three sections detected as a commercial scene are generated. Furthermore, a highlight play list in which seven sections detected as a highlight scene are reproduced is also generated. In each of the plurality of playlists, each section is reproduced, for example, in order from the oldest.

  Also in the second specific example, it is preferable that chapter points are given to the plurality of playlists described above based on search information that is a switching portion of each section. Whether to assign chapter points based on search information specified by the scene analysis unit 206 may be arbitrarily determined.

  Whether or not to predetermine the category related to the scene or playlist to be detected according to the genre of content is arbitrary, but it is preferable to limit the category to a category suitable for the genre.

  Here, a case is considered where the category relating to the generated playlist is not determined by the genre of the original content. In this case, a playlist having a category selected from the four category candidates presented on the OSD 300 shown in FIG. 3 is a generation target. However, there is a case where the section specified as the category selected from the four category candidates is not detected in the analysis result for the information of the original content. In such a case, a plurality of playlists corresponding to categories selected from the four category candidates and specified for each of the plurality of sections are generated.

  Next, with reference to FIGS. 7 and 8, an OSD for presenting information related to stored content and a plurality of playlists generated by the OSD generation unit 209 described with reference to FIG. 2 will be described.

7 and 8 are diagrams illustrating examples of OSDs for presenting information regarding stored content and a plurality of playlists.
The OSD 700 shown in FIG. 7 is a screen for listing and presenting information related to content and a plurality of playlists stored in a storage medium such as the HDD 61, as described in the upper title of the OSD 700. The OSD 700 presents information regarding the original contents # 1 and # 2 shown in FIGS. 5 and 6 and a plurality of playlists generated based on these contents. In other words, the OSD 700 is a screen on which a plurality of identification images for identifying each of a plurality of playlists are presented in one screen so as to be selectable.

  The names of “# 1_main playlist”, “# 1_commercial playlist” and “# 1_music playlist” are assigned to the data of each of the plurality of playlists generated based on the original content # 1 and stored. Has been. The information of the original content # 1 itself is stored in a folder assigned the name “# 1_folder”.

  In addition, the names “# 2_main playlist”, “# 2_commercial playlist”, and “# 2_music playlist” are assigned to the data of each of the plurality of playlists generated based on the original content # 2. Saved. The information of the original content # 2 itself is stored in a folder assigned the name “# 2_folder”. The names given to the respective data and folders are management information indicating the file names of the respective data and folders in order to store the respective data. And the identification information which can identify a category and a content name uniquely is provided to the name provided to the data and folder as this management information. For example, the identification information indicates a main playlist or a commercial playlist.

  Further, in the folder hierarchical structure in the data storage in the HDD 61, the data of each of the plurality of playlists is managed so as to have a folder hierarchical structure shallower than the data of the base content. The OSD 700 conceptually presents a hierarchical structure of folders related to storage of data of each of a plurality of playlists and content data used as a basis of the plurality of playlists.

  The OSD 800 shown in FIG. 8 is a screen for listing and presenting information related to the content stored in the HDD 61 and a plurality of playlists, similarly to the OSD 700 shown in FIG. The OSD 800 presents information about the original contents # 1 and # 2 shown in FIGS. 5 and 6 and a plurality of playlists generated based on these contents in a tree shape. In other words, the OSD 800 is a screen on which a plurality of identification images for identifying each of a plurality of playlists are selectably presented in one screen.

That is, the OSD 800 shown in FIG. 8 and the OSD 700 shown in FIG. 7 have the same substantial meaning of the presented information, but the display mode of the information on the screen is different.

  That is, in this OSD 800, the hierarchical structure of the folders related to the storage of the data of each of the plurality of playlists and the content data used as the basis of the plurality of playlists is presented in a tree shape.

  As described above, according to the present embodiment, the content data is divided into a plurality of sections on the time axis based on the feature of each scene. A category is specified for each of the divided sections. Then, a plurality of playlists for reproducing a section having the same category among the plurality of sections in a predetermined order are generated. Further, a screen presented in one screen so that a plurality of identification images for identifying each of the plurality of generated playlists can be selected is output. Therefore, according to the present invention, a plurality of playlists based on one content can be automatically generated. Since a plurality of playlists are automatically generated, it is possible to reduce an operation burden related to content editing by the user of the device.

  The present invention is not limited to the above-described embodiments, and various changes and modifications can be made without departing from the scope of the present invention. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, some constituent elements may be deleted from all the constituent elements shown in the embodiments, and the constituent elements according to the different embodiments may be appropriately combined.

  DESCRIPTION OF SYMBOLS 10 ... HDD recorder, 20 ... Broadcast wave process part, 21 ... External apparatus IF part, 31 ... Operation part, 32 ... Light-receiving part, 40 ... Signal processing control part, 51 ... Video output process part, 52 ... Audio | voice output process part, 61 ... HDD, 98 ... antenna, 99 ... remote control, 201 ... encoder, 202 ... reproduction processing unit, 203 ... TS processing unit, 204 ... decoder, 205 ... recording processing unit, 206 ... scene analysis unit, 207 ... playlist generation unit 208, information management unit, 209, OSD generation unit, 210, synthesis unit, 400, 700, 800 ... OSD, 410a-410d, item (category), 420a-420d, setting frame, 430, guide.

Claims (7)

A division means for dividing content data into a plurality of sections on a time axis according to characteristics of each scene, and specifying a category for each of the plurality of divided sections,
Generating means for generating, for each category, a plurality of playlists for reproducing the same section in the predetermined order among the plurality of sections divided by the sorting means;
An output means for outputting a screen presented in one screen so that a plurality of identification images for identifying each of the plurality of playlists generated by the generating means can be selected;
An information editing apparatus comprising:   The generation means includes candidate presentation means for presenting a plurality of candidates for the category for generating the plurality of playlists and allowing the user to select an arbitrary category from the plurality of candidates. The information editing apparatus according to claim 1.   The generation unit generates the plurality of playlists for each category selected from the plurality of candidates presented by the candidate presentation unit and predetermined for the genre of the content. Item 2. The information editing apparatus according to Item 2.   The generation means generates the plurality of playlists for each category selected for each of the plurality of sections selected by the plurality of candidates presented by the candidate presentation means and divided by the classification means. The information editing apparatus according to claim 2, wherein: Comprising management means for performing management for storing data of the plurality of playlists generated by the generating means;
2. The management unit according to claim 1, wherein identification information related to the category is added to management information for the data of each of the plurality of playlists for each of the categories generated by the generation unit. Information editing device.   The management unit performs management for storing the content data, and stores data of each of the plurality of playlists generated by the generation unit in a hierarchical structure of folders shallower than the content data. 6. The information editing apparatus according to claim 5, wherein the information editing apparatus is managed. The content data is divided into a plurality of sections on the time axis according to the characteristics of each scene, and a category is specified for each of the divided sections.
Generate a plurality of playlists for each category to play back the sections with the same category in a predetermined order among the divided sections.
Outputting a screen presented within one screen so that a plurality of identification images for identifying each of the plurality of generated playlists can be selected;
An information editing method characterized by that.

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