JP2010062870A - Video recording/reproducing apparatus and video recording/reproducing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform digest reproduction by extracting features of the content, irrespective of genres of video content and digest reproduction holding story nature, when reproducing the video content with the story nature, in the digest reproduction of the video content. <P>SOLUTION: When the video content is a serial drama, etc., since the n-1th main story part 202a is broadcast, and the n-th preliminary announcement part 202b is broadcast after that, in the n-1th content; an n-th main story part 203a and the n+1th preliminary announcement part 203b are broadcast in the n-th content, meta data for associating the n-th preliminary announcement part 202b, with the n-th main story part 203a corresponding to it; and recording is performed while storing the meta data. Furthermore, a play list and the content constituted of a program preliminary announcement part such as the n-th preliminary announcement part 202b and the n+1th preliminary announcement part 203b are created automatically. Then, the play list and the content are utilized for the digest reproduction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a video recording / playback apparatus and a video recording / playback method having a function of playing back recorded content.

Video content acquired by receiving broadcast programs, downloading via a network, or input from an external device is stored in a recording medium such as an HDD (Hard Disc Drive), and any content is selected from these. In recent years, video recording / reproducing apparatuses such as HDD recorders having a function of viewing and listening have been able to record and reproduce a large amount of video content in order to increase the capacity of recording media.

In addition, the viewing style is increased in that the video content is not viewed in real time as in the prior art, but is stored in a recording medium by reserved recording, and then viewed according to the convenience of the user's time after saving. It is coming.

And when viewing a large amount of video content in such a viewing style, digest playback that extracts the characteristic video part and plays the main scene of the video content, instead of viewing all of the video content A playback method has been devised that shortens the time by performing.

For example, Patent Document 1 discloses a technique for extracting a main scene by specifying a video part having a characteristic of the video content by detecting a telop in the video content.
Japanese Patent Application Laid-Open No. 2007-104284 (paragraph number 0021 in FIG. 2)

However, in the method of simply extracting the featured video part and digesting the essential scenes of the video content, digest playback that extracts the features of the content regardless of the genre of the video content, or a story-like video like a drama In the case of content, it has been difficult to perform digest playback that retains the story.

In order to solve the above-described problems, the present invention provides a video recording / playback apparatus having a function of reading and playing back arbitrary video content from a recording medium on which a plurality of video content is recorded. And a notice part extracting means for extracting a program notice part included therein, and a reproducing means for continuously reproducing a plurality of program notice parts extracted by the notice part extracting means in a predetermined order. To do.

Further, in order to solve the above-described problems, the present invention is characterized in that a plurality of program preview videos reproduced by the reproducing means are arranged in a predetermined reproduction order without being operated by a user. is there.

In order to solve the above-described problems, the present invention includes that the notice part extracting unit includes extracting a program notice part specified by analyzing audio and video characteristics of the recorded video content. It is what.

In addition, in order to solve the above-described problem, the present invention is configured to include a plurality of extracted program notice sections, and a play for creating a playlist for continuously reproducing the plurality of program notice sections in a predetermined order. It has a list creation means, and the playback means includes playback based on the playlist created by the playlist creation means.

Further, in order to solve the above-described problems, the present invention provides a video in which the reproduction means copies and aggregates a plurality of program notice sections extracted by the notice section extraction means for continuous reproduction in a predetermined order. It is characterized by including reproducing contents.

In addition, in order to solve the above-described problems, the present invention provides a program included in another video content in which the feature amount of the specific image in the program preview unit is different from the video content recorded including the program preview unit. While recording video content that is the same as the feature amount of a specific image in the main part and includes the main part of the program, metadata such as the elapsed time from the start of recording a scene with an image with the same feature amount in the previous period is recorded. , And stored in association with the program notice section.

According to the present invention, since a plurality of program preview sections are continuously played back in a predetermined order, digest playback in which the features of the content are extracted regardless of the genre, and digest playback that retains the story of the content are possible. Become.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(First embodiment)
First, as a first embodiment of the HDD recorder that is a video recording / reproducing apparatus according to the present embodiment, the feature of the present invention is suitable for digest reproduction that continuously reproduces the program notice section in a predetermined order. A content recording process including an automatic creation process of a playlist configured by a program notice section will be described with reference to FIGS. 1, 2, and 4. FIG.

Note that the video recording / reproducing apparatus according to the present embodiment is not only a HDD recorder but also a video recording / reproducing apparatus capable of performing the following operations, such as a DVD recorder, a television receiver, a computer apparatus, or a portable device. An information terminal may be used.

FIG. 1 is a diagram showing a system configuration of an HDD recorder which is a video recording / reproducing apparatus according to the present embodiment.
As shown in FIG. 1, the HDD recorder 10 inputs a digital tuner 101 for digital broadcast wave tuning, an analog tuner 102 for analog broadcast wave tuning, and an analog video / audio signal from an external device. A / V input unit 103, an operation unit 119 for a user to operate the apparatus, a light receiving unit 120 for receiving an operation signal from a remote controller (not shown), and an operation state of the apparatus to be notified to the outside A display unit 121 that displays information such as a control unit 117 and a control unit 117 that controls each unit illustrated through the control bus 118.

The digital tuner unit 101 is supplied with a digital broadcast signal received by a first antenna unit (not shown), selects a broadcast signal of a desired channel set by the control unit 117, and outputs it to the demodulation / decoding unit 104 To do.

The demodulation / decoding unit 104 performs demodulation (OFDM (Orthogonal Frequency Division Multiplex) required for each broadcast wave type on the broadcast signal selected by the digital tuner unit 101.
ing), PSK (Phase Shift Keying)) and decoding (Viterbi, RS (Reed-Solomon)) and the like, and outputs a TS (transport stream) signal to the signal processing unit 108.

The analog tuner unit 102 is supplied with an analog broadcast signal received by a second antenna unit (not shown), selects a broadcast signal of a desired channel set by the control unit 117, and outputs it to the demodulation unit 105. .

The demodulation unit 105 performs demodulation processing on the broadcast signal selected by the analog tuner unit 102.
Further, the analog video / audio signal from the external device input through the A / V input unit 103 and the video / audio signal output from the demodulation unit 105 are input to the selector 106, and the control unit 11.
7 is selected by the control signal from 7 and output to the ADC unit 107.

The ADC unit 107 A / D converts the input signal and outputs the signal to the signal processing unit 108.
By the way, the user can select a desired broadcast channel and signal source by operating the operation unit 119 or a remote controller (not shown).
Information on the signal source and broadcast channel selected by the user is displayed on the operation unit 119 and the light receiving unit 1.
20 is output to the control unit 117 through the control bus 118, and a signal source selection and a broadcast wave channel selection operation are performed according to the information, so that a signal source and a broadcast channel desired by the user are selected and processed. The

Note that the communication I / F unit 122 is a network means such as a LAN, and can acquire video content from a network-connected device or server device (not shown).

The card I / F unit 123 includes a plurality of units for connecting a B-CAS card (not shown) for receiving a digital broadcast and a unit for connecting a memory card (not shown) as a recording device. If a memory card is connected, video contents can be exchanged through the control bus 118.

The USB I / F unit 124 includes a USB standard terminal, and can exchange video content with an external device such as an HDD device (not shown) that similarly includes a USB terminal through the control bus 118.

Further, the IEEE 1394 I / F unit 125 includes a DV terminal (not shown), and can acquire video content from an external device such as a camera.
Therefore, the user can similarly select a device or device connected to each of these units as a signal source by an operation with the operation unit 119 or a remote controller (not shown).

The signal processing unit 108 includes an encoder 108a that compresses and encodes data, a decoder 108b that decodes the compressed data, a data processing unit 108c that performs data processing inside and outside the signal processing unit 108, and the like. I have.

That is, the signal processing unit 108 is controlled by the control unit 117, the encoder 108a performs an MPEG encoding calculation process on the signal input from the ADC unit 107 and the like, and the decoder 108b includes the demodulation and decoding unit described above. MP for signals input from 104 etc.
The EG decoding arithmetic processing is performed and output to the audio processing unit 112 and the video processing unit 110. The data processing unit 108c exchanges data between the encoder 108a and the decoder 108b in the signal processing unit 108 and each external unit and the data Performs data processing such as formatting.

The OSD signal generation unit 109 is controlled by the control unit 117 and outputs an OSD signal to the video processing unit 110 together with the video signal output from the signal processing unit 108.
The signal encoded in the format for storing data by the signal processing unit 108 is subjected to an optimal transfer process for recording on a recording medium by the data transfer control unit 114, and is recorded on the optical disc drive 116 or the HDD 115. Saved.

Here, the HDD 115 includes a content storage unit 115a for storing recorded content data, playlists, and the like, a metadata storage unit 115b for storing metadata related to the recorded content, and the detailed description thereof will be described later. To do.

As a recording medium, not only the optical disk drive 116 and the HDD 115 but also a memory card connected to the card I / F unit 123 described above or an HDD device connected to the USB I / F unit 124 can be selected. is there.

Furthermore, the audio signal output from the signal processing unit 108 described above is converted into an analog signal or a digital signal conforming to the HDMI standard (not shown) by the audio processing unit 112 under the control of the control unit 117, and the audio output unit It is output to 113.

The audio output unit 113 is connected to an externally connected analog audio input unit or HD (not shown).
The signal is output to a signal input unit of a device such as a television receiver or an A / V amplifier having an MI terminal.

The video signal output from the signal processing unit 108 described above is converted into an analog signal or a digital signal conforming to the HDMI standard (not shown) by the video processing unit 110 under the control of the control unit 117, and the video output unit 111. Is output.

The video output unit 111 includes an externally connected analog video input unit or HD (not shown).
The signal is output to a signal input unit of a device such as a television receiver or an A / V amplifier having an MI terminal.

The control unit 117 described so far includes a CPU 117a that is an arithmetic execution unit, and the CPU
A ROM 117b that preliminarily stores program data executed by the 117a to control the operation of the HDD recorder 1 and a work memory of the CPU 117a are used. In the present embodiment, arithmetic processing for extracting image features described later is performed. Or RAM 11 used as a work memory for temporary storage when detecting matching image data designated by the user
7c and the like.

Furthermore, a playlist creating unit 117d for creating a playlist, a notice part extracting unit 117e for extracting a program notice part from video content, a feature amount extracting unit 117f for extracting a feature amount of an arbitrary image, an arbitrary The video detection means 117g for detecting the video of the video and the playback means (not shown) for reproducing the video based on the play list and the video of the content are provided. These will be described in detail later.

By the way, a broadcast program based on a broadcast wave selected by the digital tuner unit 101 or the analog tuner unit 102 of FIG. 1 or video content distributed by a network via the communication I / F unit 122 of FIG. The next week's program announcement is made at a set time every week, such as a series drama in which the story is divided into multiple contents, movies of various genres, and information-related programs that collect various information according to a specific theme Some are broadcast.

For example, in the case of a continuous drama like the form shown in FIG.
The second main part 210a is broadcast, and then a second notice part 201b, which is a notice of the second main part that can be viewed on the same broadcast channel in the same time zone of the next week, is broadcast.
Similarly, in the (n-1) th content, the (n-1) th main part 202a and thereafter the nth notice part 202b, and in the nth content, the n + th after the nth main part 203a.
The first notice section 203b is broadcast.

Further, in FIG. 2, in the content recording processing according to the first embodiment, the video of the recorded video content including the main part of the program and the program preview unit and the video of the playlist configured by the program preview unit are respectively shown. The relationship of the specific scene contained in is shown.

FIG. 4 is a flowchart showing a content recording process including an automatic playlist creation process configured by the program notice unit according to the first embodiment.
The n-th content recording process in the first embodiment stores the feature amount of the image of the specific scene in the n-th notice section included in the (n-1) -th content while performing the content recording process. The matching process with the feature amount of the image of the specific scene in the previous notice part is performed, and when the corresponding scene is detected, the process of associating with the specific scene in the notice part is performed. Processing for detecting a scene switching portion in the content and recording the feature amount of the image of that portion is performed. In addition, a process for detecting a video part of a program preview from the recorded content and automatically creating new content is performed.

Next, content recording including automatic creation processing of a playlist configured by a program preview unit suitable for digest playback that continuously plays back the program preview unit in a predetermined order, which is a feature of the first embodiment Details of the processing will be described below with reference to the flowchart of FIG.

When the recording process of the n-th content is started, the video processing data that has been recorded is formatted for storage by the signal processing unit 108, and the content is transmitted via the data transfer control unit 114. While performing the recording process, which is the process of saving in the saving unit 115a, the video detection unit 11 detects the scene switching portion from the recorded video content data.
The scene switching part detection process detected in 7g is performed. (S101 in FIG. 4)

When the scene switching portion is detected (Yes in S101), the feature amount extracting unit 117f performs processing for extracting the feature amount of the still image of the scene switching portion. (S102)

Further, metadata such as an elapsed time from the start of recording together with the extracted feature amount is metadata storage unit 11 as metadata associated with video data of the recorded content.
Stored in 5b. (S103)

If no scene switching portion is detected from the video data (No in S101), the feature amount of the still image obtained for each predetermined frame, counted from the start point of the recording process of the nth content, is characterized. The amount extraction means 117f performs extraction processing. (S104
)

Then, it is extracted from the still image of the scene switching portion of the n-th notice section 202b obtained at the time of recording of the (n-1) -th content, which is temporarily stored in the RAM 117c as the work memory of the control section 117. In addition, in the recording of the first feature amount and the n-th content, it is extracted from the still image of the detected scene switching portion or extracted from the still image for every fixed frame counted from the start time of the recording process. A process of comparing with the second feature amount is performed. (S105)

Here, as a result of the comparison processing between the first feature amount of the image included in the n-th notice section 202b and the second feature amount of the image included in the n-th main section 203a, the first and first features are obtained. If it is determined that the two feature quantities match (Yes in S106), the scene switching portion of the n-th notice section 202b having the first feature quantity image from the start point of the (n-1) -th content starts. The metadata storage unit includes the elapsed time information, the elapsed time information from the start of the n-th notice part, and the like as metadata associated with the corresponding scene of the n-th main part 203a having the second feature amount image. 115b and the elapsed time information from the start point of the n-th content of the corresponding scene of the n-th main part 203a having the second feature amount image is stored in the first feature amount image. nth notice section 202 As metadata associated with the scene change portion,
It is stored in the metadata storage unit 115b. (S107)

Then, the continuation determination process (S108) of the n-th content recording process is performed, and when it is continued, as in the description so far, a new still image obtained by the scene switching part detection process or every predetermined frame. A comparison process between the third feature value extracted by the feature value extraction process from the new still image obtained and the fourth feature value of the image of the scene switching portion of the n-th notice part already recorded is performed. Done. (No in S108)

In addition, the first feature amount of the image included in the nth notice section 202b and the nth article section 20
Even if it is determined that the two feature quantities are not the same as a result of the comparison process with the second feature quantity of the image included in 3a (No in S106), the continuation determination process (S1) of the n-th content recording process is similarly performed.
08) is performed.

That is, in the system configuration shown in FIG. 1, the processing so far in which the continuous drama like the form shown in FIG. 2 is recorded in the time zone determined every week will be described in time series. When starting, the feature quantity of the still image of the notice part scene change part A221 which is the scene change part of the nth notice part is temporarily stored in the RAM 117c which is the work memory of the control part 117. Scene switching part A23 existing in the nth main part 203a
When 1 is detected, the time information and the like of the detected scene switching part A231 is stored in the metadata storage unit 115b, the feature amount of the still image of the scene is extracted, and the stillness of the notice part scene switching part A221 is extracted. It is compared with the feature quantity of the image.

However, since the comparison results do not match and the recording continues, with the passage of the recording time, the corresponding scene A232, which is a still image obtained every fixed frame, is detected, and the detected corresponding scene A232 is detected. Is stored in the metadata storage unit 115b, and the feature quantity of the still image of the scene is extracted and compared with the feature quantity of the still image in the notice section switching portion A221.

The comparison result coincides with the notice part scene switching part A221, the two scenes are associated with each other, and the time information in the content to which the corresponding scene A232 and the notice part scene switching part A221 belong to each other is saved in the metadata saving part 115b. Is performed.

That is, in the embodiment of FIG. 2, the notice part scene switching part A221 and the corresponding scene A2
Reference numeral 32 denotes an image having the same feature amount, and an image having the same feature amount as that of the scene switching portion A231 does not exist in the n-th notice section.

By the way, when the recording of the n-th content is finished, that is, when it is judged that the recording is finished in the continuation judgment process (S108) of the n-th content recording process (Yes in S108), this is saved in the content saving unit 115a. From the data of the n-th content recorded until the n + 1-th notice unit 203 which is video data meaning the n + 1-th notice.
A process of extracting b by the notice part extracting means 117e is performed. (S109)

For example, a technique for detecting the main program part and the commercial part is disclosed as the notice part extracting means 117e by analyzing the characteristics of audio signals and video signals of the main program part and the commercial part while recording. 2006-324771), using the above-mentioned technology to detect the main part of the program, analyzing information such as the time in the recorded video content of the detected main part of the program, audio signals and video This can be realized by analyzing the presence or absence of features unique to the notice section in the signal.

The extracted (n + 1) th notice section 203b is composed of a notice section up to the nth content, which is a configuration added to the end of the playlist 212 composed of notice sections up to the (n-1) th content. The playlist 213 is stored in the content storage unit 115a. (S110)

That is, when a continuous drama like the form shown in FIG. 2 is recorded at a predetermined time zone every week, first, when the recording of the first content is finished, the second notice section 201b included in the first content. Is extracted, and a playlist 211 composed of the notice part up to the first content composed only of the second notice part is created.

When the recording of the (n-1) th content is completed, the n-th notice section 202b included in the (n-1) -th content is extracted, and is configured from the second notice section to the (n-1) -th notice section. The play list 212 composed of the notice section up to the (n-1) -th content is created by adding the n-th notice section 202b to the content.

Further, when the recording of the n-th content is finished, as a process corresponding to the above (S110), the (n + 1) -th notice part 203b included in the n-th content is extracted,
The content composed of the first notice section to the (n-1) -th notice section is added to the n-th notice section 2.
A play list 213 composed of a notice part up to the n-th content to which 02b is added is created.

In addition, the (n + 1) th notice unit 203b extracted in the above (S109) is configured by a notice part up to the nth content, which is different from the nth content recorded including itself. Content storage unit 115 copied and added as content that has not been copied
a may be new or overwritten.

In other words, the extracted (n + 1) th notice section may be used as a part of a playlist composed of a plurality of recorded video content notice sections, or a copy of a plurality of recorded contents notice sections may be copied. May be used as part of the aggregated content.

Therefore, as described above, according to the first embodiment, the playlist composed of the program preview part based on the video part of the main part of the program is automatically created, so that the story of the main part of the program is retained. It can be effectively used as a digest playback content of the main program.

(Second Embodiment)
Next, a second embodiment relating to a reproduction process of a playlist constituted by a program notice unit, which is automatically created in the above-described content recording process, will be described with reference to FIGS.

FIG. 3 shows the video of recorded video content including the main part of the program and the program preview part in the playlist reproduction process configured by the program preview part, which is the second embodiment, and the program preview part. The relationship between specific scenes included in each of the videos reproduced based on the played playlist is shown.

Note that FIG. 3 shows an embodiment in which up to the second content of the serial drama is recorded.
FIG. 5 is a diagram showing a flowchart of a reproduction process in which the video scene included in the program preview section and the video scene included in the program main section corresponding to the program preview section are associated in the second embodiment.

As described above, the playlist automatically created in the content recording process is composed of the program preview section included in the recorded content, and the main program section corresponding to the program preview section is the content recording section. Since the processing is recorded while being compared with the feature amount of the image of the scene switching part of the program preview part in the processing, and the scene switching part of the program preview part and the corresponding scene of the main part of the program are related by metadata, In the reproduction process based on the playlist composed of the sections, the reproduction can be performed in association with the corresponding scene of the main part of the program.

The details of the second embodiment relating to the content reproduction process configured by the notice unit will be described below with reference to the flowchart of FIG.
In FIG. 3, a playlist 312 composed of a second notice portion 301b included in the first content and a third notice portion 302b included in the second content, which is a notice portion up to the second content. 1 is reproduced by a reproducing means (not shown), and at the timing of the main part reproduction designation scene A321 included in the second notice portion 301b, the operation unit 119 of FIG. 1 or a remote controller (not shown) When a “main part corresponding scene playback button” (not shown) above is pressed (S201 in FIG. 5), the notice part scene included in the second notice part 301b and immediately before the main part reproduction designated scene A321 is displayed. Switching part A
322 is detected by the video detection means 117g. (S202)

When the main part reproduction designated scene A321 is a scene switching part, the main part reproduction designated scene A321 itself is detected instead of the scene switching part immediately before it.
Then, either the notice part scene switching part A322 or the main part reproduction designated scene A321 is a scene change part included in the second notice part 301b as described above, and is recorded in the second content recording process. The feature amount is compared with the image included in the second main part 302a, and the metadata associated with each other image is stored in the metadata storage unit 115.
Since it is stored in b, the notice part scene switching part A322 or the main part reproduction designated scene A3
21, the corresponding scene A331 existing in the second main part 302a is identified based on the metadata. (S203)

Further, the second content including the second main part 302a is called from the content storage unit 115a (S204), and the corresponding scene A331 is reproduced. (S205)

It should be noted that when the “main part corresponding scene playback button” is pressed at the timing when the video of the main part playback designated scene B 323 that is included in the second notice part 301b and is not a scene switching part is displayed, it is immediately before that. The corresponding scene B332 present in the second main part 302a associated with the notice part start scene 324 that is the scene switching part is reproduced.

By the way, in the above description, the playlist 312 composed of the notice part up to the second content is a content (not shown) obtained by copying and integrating the second notice part 301b and the third notice part 302b. Also good.

As described above, according to the second embodiment, since the playlist and content created in the first embodiment described above are composed of the program preview section corresponding to the main program section, Regardless of the feature, it is possible to perform digest playback with extracted features of the main program, or digest playback that retains the story of the main program. Scene playback can be started easily.

(Third embodiment)
Next, a third embodiment relating to a reproduction process of a playlist configured by a program notice unit, which is automatically created in the content recording process described above, will be described with reference to FIG.

In FIG. 3, a playlist 312 composed of a second notice portion 301b included in the first content and a third notice portion 302b included in the second content, which is a notice portion up to the second content. Is reproduced by a reproduction means (not shown), and at the timing of the main part reproduction designation scene A321 included in the second notice unit 301b,
When the “playback button corresponding to main part” (not shown) on the operation unit 119 of FIG. 1 or a remote controller (not shown) is pressed, as in the second embodiment related to the content playback process described above, Preliminary part scene switching part A322 immediately before main part reproduction designated scene A321
Or when the main reproduction designated scene A321 is a scene switching portion, the main reproduction designated scene A321 is detected, and the second main part 30 associated with one of the videos is detected.
The corresponding scene A331 existing in 2a is specified based on the metadata.

Further, since it is described in the metadata that the corresponding scene A331 is included in the second main part, the second content including the second main part 302a is called from the content storage unit 115a, and the corresponding scene A331 is called. The reproduction process from the start part of the second content including is performed.

By the way, in the above description, the playlist 312 composed of the notice part up to the second content is a content (not shown) obtained by copying and integrating the second notice part 301b and the third notice part 302b. Also good.

It should be noted that, at the timing of the main part playback designation scene A321 included in the second notice part 301b, the “main part corresponding playback button” (not shown) on the operation unit 119 in FIG. 1 or a remote controller (not shown) is pressed. In this case, since it is described in the metadata that the main part reproduction designated scene A321 is included in the second notice part, the contents storage part 115a includes the second part main part 302a based on the metadata. For example, even when the main content reproduction designated scene A321 is not associated with the second main content scene, the reproduction processing from the start portion of the second content including the main content reproduction designated scene A321 is performed. It is also possible to do this. Further, since it is determined that the corresponding broadcast time is the second time, the first content that is the previous broadcast time may be called and reproduced.

In addition, although not shown in the figure, when up to the third content is recorded,
The third content including the third main part may be called and reproduced from the content storage unit 115a.

As described above, according to the third embodiment, in the playlist and content configured by the program preview section corresponding to the program main section, the program main section and the program preview section are associated by metadata. Therefore, in the digest playback process, it is possible to start playback from the start part of the program main part of the broadcast times corresponding to the program preview or the main part of the program before and after the corresponding broadcast times.

Furthermore, since the still image of the scene switching part of the program preview part corresponding to the program main part is extracted and the metadata associated with the program main part is saved, the notice part is displayed when displaying the corresponding program main part as a thumbnail. It is possible to use the still image of the scene switching part.

The present invention is not limited to the above-described embodiment, and various changes and modifications can be made without departing from the scope of the present invention.

1 is a system configuration diagram of a video recording / reproducing apparatus showing an embodiment of the present invention. The figure which shows the structure of the content in the content recording process which shows one Embodiment of this invention. The figure which shows the structure of the content in the play list reproduction | regeneration processing which shows one Embodiment of this invention. The figure which shows the flowchart of the content recording process which shows one Embodiment of this invention. The figure which shows the flowchart of the play list reproduction | regeneration processing which shows one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... HDD recorder, 115a ... Content storage part, 115b ... Metadata storage part, 11
7d ... playlist creation means, 117e ... notice part extraction means, 117f ... feature amount extraction means,
117g: Image detection means.

Claims (9)

In a video recording / reproducing apparatus having a function of reading and reproducing arbitrary video content from a recording medium on which a plurality of video contents are recorded,
Notice part extracting means for extracting a program notice part included in each of the plurality of recorded video contents;
Reproducing means for continuously reproducing a plurality of program notice parts extracted by the notice part extracting means in a predetermined order;
A video recording / reproducing apparatus comprising: 2. The video recording / reproducing apparatus according to claim 1, wherein the plurality of program preview videos to be reproduced by the reproducing unit include a predetermined reproduction order regardless of a user operation. 3. The video recording / reproducing apparatus according to claim 2, wherein the notice part extracting unit includes extracting a program notice part specified by analyzing audio and video characteristics of the recorded video content. A plurality of extracted program notice sections; and a playlist creating means for creating a playlist for continuously playing the plurality of program notice sections in a predetermined order. 4. The video recording / reproducing apparatus according to claim 3, further comprising reproducing based on the playlist created by the playlist creating means. The reproduction means includes reproducing the video content that is copied and aggregated so as to continuously reproduce the plurality of program notice sections extracted by the notice section extraction means in a predetermined order. The video recording / reproducing apparatus according to claim 3. The feature quantity of the specific image in the program preview section is the same as the feature quantity of the specific image in the main program section included in another video content, which is different from the video content recorded including the program preview section. And recording video content including the main part of the program while storing metadata such as the elapsed time from the start of recording of a scene with an image having the same feature amount in the previous period in association with the program preview unit. 6. The video recording / reproducing apparatus according to claim 4, wherein the video recording / reproducing apparatus is characterized in that In a video recording / playback method having a function of reading and playing back arbitrary video content from a recording medium on which a plurality of video content is recorded,
Extracting a program preview part included in each of the plurality of recorded video contents;
A video recording / reproducing method comprising a step of continuously reproducing the plurality of extracted program notice portions in a predetermined order. The playlist includes the plurality of extracted program notice sections, and creates a playlist for continuously playing the plurality of program notice sections in a predetermined order. The video recording / reproducing method according to claim 7, further comprising: reproducing based on the video. 8. The reproducing step includes reproducing the video content that has been copied and aggregated so as to continuously reproduce the extracted plurality of program notice sections in a predetermined order. Video recording and playback method.

Images