JP4835253B2 - Information recording / reproducing device - Google Patents

Information recording / reproducing device Download PDF

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JP4835253B2
JP4835253B2 JP2006123653A JP2006123653A JP4835253B2 JP 4835253 B2 JP4835253 B2 JP 4835253B2 JP 2006123653 A JP2006123653 A JP 2006123653A JP 2006123653 A JP2006123653 A JP 2006123653A JP 4835253 B2 JP4835253 B2 JP 4835253B2
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content data
means
chapter
fast
content
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JP2007294063A (en
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勉 柳木
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船井電機株式会社
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Description

  The present invention relates to an information recording / reproducing apparatus for recording content data on a recording medium and reproducing the content data recorded on the recording medium.

  Conventionally, content data such as a broadcast program is recorded and recorded on a recording medium such as a hard disk (HD) or DVD (Digital Versatile Disc), or content data such as a movie recorded on another recording medium. There is an information recording / reproducing apparatus for dubbing and recording.

  Then, in order to be able to visually recognize how much of the content data recorded on the predetermined recording medium has been played back and viewed, the ratio of the portion of the content data that has already been played and the portion that has not yet been played back There is known an information recording / reproducing apparatus that displays icons color-coded according to the above (for example, see Patent Document 1).

In addition, there is known an information recording / reproducing apparatus that displays a portion of content data recorded on a predetermined recording medium in a color-coded manner along a time chart (see, for example, Patent Document 2 and Patent Document 3). .)
JP 2005-216338 A Japanese Patent Laying-Open No. 2005-093034 JP 2004-147303 A

  However, in the case of the above-mentioned Patent Document 1, it is possible to check how much content based on the content data is viewed for each content data recorded on the recording medium by using icons displayed in different colors. Since it is impossible to determine which part of the content is viewed and which part is not viewed, the user must try to play back the content data in order to check the viewing and non-viewing parts of the content. There wasn't.

  In the case of the above-mentioned Patent Document 2, based on memo data associated with content data recorded on a recording medium, the user determines the content along the time chart in the content data, Although the portion can be reproduced, since the content determination is based on the memo data, a desired portion in the content data may not be reproduced.

  In the case of Patent Document 3, the user can reproduce any part of the content data along the time chart. However, the user does not know the content of the delimited part between the reproduced area and the unreproduced area in the content data. In some cases, a desired portion of the content data cannot be reproduced.

  An object of the present invention is to provide an information recording / reproducing apparatus capable of suitably reproducing content data recorded on a recording medium.

In order to solve the above-described problems, the invention described in claim 1 is an information recording / reproducing apparatus, a recording means for recording content data on a predetermined recording medium, and an input for a user to input various operation instructions. And means for reproducing the content data recorded on the recording medium or fast-forwarding according to the operation of the input means by the user, and information based on the content data reproduced by the reproducing means. Display control means for displaying on the display unit, reproduction history determination means for determining whether or not the content data recorded on the recording medium has been reproduced by the reproduction means, and whether or not a predetermined fast-forward has been made, and the reproduction history The chapters are displayed at the start position and the end position of the fast-forward area of the content data determined by the determination means as having been fast-forwarded. Determined by the chapter setting means to be set, the thumbnail assigning means for assigning a thumbnail image related to the content data corresponding to the position where the chapter is set to the chapter set by the chapter setting means, and the reproduction history determining means. Based on the result, the content indicator in which the reproduced area, the unreproduced area, and the fast-forward area in the content data are color-coded, and the thumbnail image assigned to the chapter by the thumbnail assigning unit Content display control means to be displayed on the display unit, and chapter video display control means to play and display a video related to the content data corresponding to the start point position and end point position of the fast-forward area where the chapter is set, for a predetermined time. It is characterized by providing.

The invention according to claim 2 is an information recording / reproducing apparatus, a recording means for recording content data on a predetermined recording medium, an input means for a user to input various operation instructions, and the input means by a user In response to the operation, a playback unit that plays back or fast forwards the content data recorded on the recording medium, and display control that displays information based on the content data played back by the playback unit on a predetermined display unit Means for determining whether or not the content data recorded on the recording medium has been reproduced by the reproducing means, and whether or not a predetermined fast-forward has been performed, and fast-forwarding the content data by the reproduction history determining means Chapter setting means for setting chapters at the start position and the end position of the fast-forward area of the content data determined to have been processed Based on the result determined by the playback history determination unit, the thumbnail allocation unit that allocates a thumbnail image related to the content data corresponding to the position where the chapter is set, for the chapter set by the chapter setting unit, Content that causes the display unit to display a content indicator in which the reproduced area, non-reproduced area, and fast-forward area in the content data are color-coded, and the thumbnail image assigned to the chapter by the thumbnail assigning unit And a display control means.

  According to a third aspect of the present invention, in the information recording / reproducing apparatus according to the second aspect, a moving image related to the content data corresponding to a start point position and an end point position of the fast-forward area in which the chapter is set is reproduced for a predetermined time. A chapter moving image display control means for displaying is provided.

According to the first aspect of the present invention, the information recording / reproducing apparatus can record the content data on a predetermined recording medium and can reproduce the content data recorded on the recording medium. Information such as video based on the reproduced content data can be displayed on a predetermined display unit.
Then, the information recording / reproducing apparatus reproduces whether the content data recorded on the recording medium has been reproduced by the reproducing means, and whether or not a predetermined fast forward has been performed, that is, the data area in the content data is reproduced by the reproducing means. The chapter is set to the start point and the end point of the fast-forward area of the content data determined to be the fast-forwarded area. A thumbnail image related to the content data corresponding to the determined position can be assigned to the chapter.
Furthermore, the information recording / reproducing apparatus, based on the reproduction history of the content data, has thumbnail images assigned to the chapters, together with content indicators in which the reproduced region, the unreproduced region, and the fast-forward region in the content data are color-coded. Can be displayed on the display unit.

That is, the information recording / reproducing apparatus can display the content indicator in which the reproduction area, the non-reproduction area, and the fast-forward area in the content data recorded on the recording medium are color-coded on a display unit such as a television or a monitor. The user can check how much the content recorded on the recording medium has been viewed. Further, the information recording / reproducing apparatus can display the thumbnail image assigned to the chapter set in the content data corresponding to the content indicator together with the content indicator on the display unit. It is possible to check the contents of the content before and after the fast-forwarded range (fast-forward area) when viewing the video by using the thumbnail images.
Therefore, the user can check the content recorded on the recording medium by confirming how much the content recorded on the recording medium has been viewed, and confirming the content of the content before and after the fast-forwarded range when viewing the content. It becomes easier to determine whether the data is to be reproduced and viewed thereafter or not.
In this way, the user can reproduce the content data after confirming the viewing status of the content data recorded on the recording medium in the information recording / reproducing apparatus and the content, so that the content desired by the user can be reproduced. It is possible to select and reproduce data or an arbitrary area of the content data.
Therefore, it can be said that this information recording / reproducing apparatus is an information recording / reproducing apparatus that can suitably reproduce the content data recorded on the recording medium.

  In addition, the information recording / reproducing apparatus can reproduce a moving image related to content data corresponding to the start point position and end point position of the fast-forward area in which the chapter is set for a predetermined period of time and display it on the display unit. That is, the information recording / reproducing apparatus can display a moving image corresponding to the start point position and the end point position of the fast-forward area in which the chapter is set, together with the thumbnail image assigned to the chapter set in the content data. Therefore, the user can check the content of the content at the timing of the start point and end point of the fast-forward area in more detail than the thumbnail image by a moving image that is reproduced for a predetermined time.

According to the second aspect of the present invention, the information recording / reproducing apparatus can record the content data on a predetermined recording medium and can reproduce the content data recorded on the recording medium. Information such as video based on the reproduced content data can be displayed on a predetermined display unit.
Then, the information recording / reproducing apparatus reproduces whether the content data recorded on the recording medium has been reproduced by the reproducing means, and whether or not a predetermined fast forward has been performed, that is, the data area in the content data is reproduced by the reproducing means. The chapter is set to the start point and the end point of the fast-forward area of the content data determined to be the fast-forwarded area. A thumbnail image related to the content data corresponding to the determined position can be assigned to the chapter.
Furthermore, the information recording / reproducing apparatus, based on the reproduction history of the content data, has thumbnail images assigned to the chapters, together with content indicators in which the reproduced region, the unreproduced region, and the fast-forward region in the content data are color-coded. Can be displayed on the display unit.

That is, the information recording / reproducing apparatus can display the content indicator in which the reproduction area, the non-reproduction area, and the fast-forward area in the content data recorded on the recording medium are color-coded on a display unit such as a television or a monitor. The user can check how much the content recorded on the recording medium has been viewed. Further, the information recording / reproducing apparatus can display the thumbnail image assigned to the chapter set in the content data corresponding to the content indicator together with the content indicator on the display unit. It is possible to check the contents of the content before and after the fast-forwarded range (fast-forward area) when viewing the video by using the thumbnail images.
Therefore, the user can check the content recorded on the recording medium by confirming how much the content recorded on the recording medium has been viewed, and confirming the content of the content before and after the fast-forwarded range when viewing the content. It becomes easier to determine whether the data is to be reproduced and viewed thereafter or not.
In this way, the user can reproduce the content data after confirming the viewing status of the content data recorded on the recording medium in the information recording / reproducing apparatus and the content, so that the content desired by the user can be reproduced. It is possible to select and reproduce data or an arbitrary area of the content data.
Therefore, it can be said that this information recording / reproducing apparatus is an information recording / reproducing apparatus that can suitably reproduce the content data recorded on the recording medium.

According to the invention described in claim 3, it is needless to say that the same effect as that of the invention described in claim 2 can be obtained, and the information recording / reproducing apparatus can start and end positions of the fast-forward area where chapters are set. Can be reproduced for a predetermined time and displayed on the display unit.
That is, the information recording / reproducing apparatus can display a moving image corresponding to the start point position and the end point position of the fast-forward area in which the chapter is set, together with the thumbnail image assigned to the chapter set in the content data. Therefore, the user can check the content of the content at the timing of the start point and end point of the fast-forward area in more detail than the thumbnail image by a moving image that is reproduced for a predetermined time.

Embodiments of an information recording / reproducing apparatus according to the present invention will be described below with reference to the drawings.
In the present embodiment, content data is recorded on a hard disk 81 as a recording medium built in the apparatus main body 1 and a DVD 91 as a recording medium detachable from the apparatus main body 1 as an information recording / reproducing apparatus. The HDD built-in DVD recorder 100 will be described as an example.

As shown in FIG. 1, an HDD built-in DVD recorder 100 as an information recording / reproducing apparatus records content data composed of video data, audio data, and the like on a hard disk 81 or DVD 91 and content recorded on the hard disk 81 or DVD 91. An apparatus main body 1 that reproduces data, a key input unit 2 for a user to input various operation instructions, and the like are provided.
Note that a television receiver 200 as a display unit for displaying information based on content data reproduced in the apparatus main body 1 is connected to the apparatus main body 1.

The HDD built-in DVD recorder 100 can perform processing such as recording, reproduction, and dubbing, for example, and each processing is selected and executed according to the operation of the key input unit 2.
Here, the recording process refers to a process of receiving content data distributed from the outside and recording the content data on the hard disk 81 or the DVD 91.
The reproduction process refers to a process of reproducing the content data recorded on the hard disk 81 or the DVD 91 and outputting it to the television receiver 200 which is an external device.
The dubbing process refers to a process of transferring content data recorded on one recording medium (for example, hard disk 81) to the other recording medium (for example, DVD 91) and recording it.

  The apparatus main body 1 receives a broadcast signal, selects a signal corresponding to a broadcast program of a predetermined broadcast channel from the broadcast signal, and content data constituting the broadcast signal output from the tuner unit 3 Separation unit 4 that separates the synchronization signal from the video data, and an extraction unit that extracts a plurality of identification information for identifying the content data from the content data input from the separation unit 4 or content data recorded on the hard disk 81 or DVD 91 5, an encoder 6 that performs a predetermined compression process on the content data input from the extraction unit 5, and an input / output path for the content data is set, and the content data input from the encoder 6 is transferred to the HDD unit 8 or DVD In addition to being sent to the drive unit 9, it is taken from the HDD unit 8 or DVD drive unit 9. A data processor 7 for outputting the content data to the DVD drive unit 9 or the HDD unit 8 or each unit of the apparatus, an HDD unit 8 for recording and reproducing the content data to and from the hard disk 81 built in the apparatus main body 1, A DVD drive unit 9 that records and reproduces content data with respect to a DVD 91 that can be attached to and detached from the apparatus main body 1; a decoder 10 that performs predetermined restoration processing on content data output from the HDD unit 8 and the DVD drive unit 9; An output interface unit 11 that performs predetermined signal output processing on content data output from the decoder 10, an OSD (On Screen Display) circuit 12 that adds OSD data to video data in the content data, and a key input unit 2 receives the input operation signal from the input operation signal A remote control signal light receiving unit 13 that outputs a signal to the control unit 14, a control unit 14 that performs overall control of each unit of the apparatus main body 1, a control bus 15 that connects each unit of the apparatus, and the like.

  The key input unit 2 is, for example, a remote control device (remote control) that performs a remote operation on the device main body 1.

The tuner unit 3 includes, for example, a high-frequency amplifier circuit, a frequency conversion circuit including a local oscillation circuit, and a mixing circuit, although not shown.
In the recording process, the tuner unit 3 receives a television broadcast signal input to the apparatus main body 1 via an antenna (not shown) connected to the apparatus main body 1 and a local oscillation signal output from the local oscillation circuit. The signal is mixed by the mixing circuit, and a broadcast signal in a specific frequency band is received according to a control output from the control unit 14 for selecting the frequency of the broadcast signal. The tuner unit 3 converts the received broadcast signal into an IF (Intermediate Frequency) signal having a predetermined intermediate frequency and outputs the IF signal to the separation unit 4.

  The separation unit 4 outputs the content data that is a broadcast signal to the extraction unit 5, and also separates the synchronization signal from the video data that constitutes the IF signal that is the content data input from the tuner unit 3, and sends it to each unit of the apparatus. Output. Based on this synchronization signal, the HDD unit 8 and the DVD drive unit 9 are synchronized when content data is recorded, reproduced, dubbed, or the like on the hard disk 81 or the DVD 91.

The extraction unit 5 extracts a plurality of pieces of identification information for identifying the content data from the content data input from the separation unit 4 based on a control output from the CPU 142, which will be described later, and is recorded on the hard disk 81 and the DVD 91. A plurality of pieces of identification information for identifying content data are extracted.
Specifically, for example, the extraction unit 5 extracts content data such as “recording date”, “day of the week”, “recording start time”, “broadcast channel”, “genre”, and “broadcast program name” for each content data such as broadcast program data. A plurality of identification information to be identified is extracted, and the extracted plurality of identification information is output to the control unit 14.

For example, although not shown, the encoder 6 includes an A / D converter, a video encoder, an audio encoder, a format unit, and the like.
When the content data input via the extraction unit 5 is analog data, the A / D converter digitally converts the analog content data. The video encoder compresses video data constituting the content data according to the MPEG (Motion Picture Expert Group) system, and the audio encoder compresses audio data constituting the content data according to the MPEG audio system. Further, the format unit writes content data including video data, audio data, and the like based on a control output from the CPU 142, which will be described later, into a format format that can be written to the DVD 91 in the DVD drive unit 9 or to the hard disk 81 in the HDD unit 8. Convert to a given format format possible.
Note that the encoder 6 performs a process of re-encoding the content data once restored by the decoder 10 and converts it into a recordable predetermined format format when the recording media have different format formats during the dubbing process. Perform the process.
The content data generated by the encoder 6 is output to the HDD unit 8 or the DVD drive unit 9 via the data processor 7.

The data processor 7 sets an input / output path for content data based on a control output from the CPU 142, which will be described later, and controls data input and output.
Specifically, for example, in a recording process, when a user instructs to record the hard disk 81 by operating the key input unit 2, the content data input from the encoder 6 is output to the HDD unit 8, while When the user gives an instruction to record on the DVD 91, the content data input from the encoder 6 is output to the DVD drive unit 9.
Further, for example, in the dubbing process, when an instruction for dubbing content data recorded on the hard disk 81 by the user's operation of the key input unit 2 is given to the DVD 91, the content data is taken in from the HDD unit 8 and is formatted. Are output to the DVD drive unit 9 as they are, and if the format is different, the decoder 10 and the encoder 6 once perform re-encoding processing and then output to the DVD drive unit 9 .

  The HDD (Hard Disk Drive) unit 8 adopts, for example, the ATA (AT Attachment) standard, and magnetic data for recording data to the hard disk 81 or reading data recorded on the hard disk 81 is used. The head 82 and the hard disk 81 are driven to rotate, and the drive unit 83 for moving the magnetic head 82 in the radial direction of the hard disk 81 is provided. The hard disk 81 includes a non-magnetic disk substrate (not shown) and a magnetic layer (not shown) provided thereon, and supplies a current between the magnetic head 82 and the hard disk 81. Therefore, it has a minute gap that generates a magnetic field.

In the HDD unit 8, in the recording process and the dubbing process, the magnetic head 82 is brought into contact with the surface of the hard disk 81 as much as possible to give a relative speed, and data on the hard disk 81 is generated by a magnetic field generated by the current applied to the magnetic head 82. Write. That is, the HDD unit 8 writes and records content data, which is a broadcast signal received via the tuner unit 3, and the content data recorded on the DVD 91, on the hard disk 81.
On the other hand, the HDD unit 8 reads data recorded on the hard disk 81 by a change in magnetic flux generated from the hard disk 81 by giving a relative speed between the magnetic head 82 and the hard disk 81 in the reproduction process and the dubbing process. . Then, the HDD unit 8 reads and reproduces the content data recorded on the hard disk 81 and outputs it to the control unit 14.

  As described above, the HDD unit 8 has a function as a recording unit that records and records content data on the hard disk 81 and a function as a reproducing unit that reproduces content data recorded on the hard disk 81.

The DVD drive unit 9 is loaded in the DVD drive unit 9, for example, a DVD 91 that is detachable from the DVD drive unit 9, an optical pickup 92 that records data on the DVD 91, and reads data recorded on the DVD 91. A drive unit 93 and the like for rotating the DVD 91 and moving the optical pickup 92 in the radial direction of the DVD 91 are provided.
Specifically, the DVD 91 is a rewritable disc such as a write-once disc such as a DVD-R (DVD-Recordable) or a DVD-RW (DVD-ReWritable) or a DVD-RAM (DVD-Random Access Memory). And a disk substrate (not shown), a recording layer (not shown) formed of a material whose crystal structure is changed by heating by laser light irradiation, a reflective layer (not shown) for reflecting the laser light, and the like. It consists of

In the DVD drive unit 9, in the recording process and the dubbing process, the optical pickup 92 irradiates the reflective layer of the DVD 91 with laser light, and changes the crystal structure of the recording layer by heating with the reflected light to form pits. Then, data is written to the DVD 91. That is, the DVD drive unit 9 writes and records content data, which is a broadcast signal received via the tuner unit 3 and the like, and content data recorded on the hard disk 81 on the DVD 91.
On the other hand, in the DVD drive unit 9, in the reproduction process and the dubbing process, the optical pickup 92 irradiates the reflective layer of the DVD 91 with laser light, and generates a voltage signal corresponding to the reflected light by photoelectric conversion and current-voltage conversion. Data recorded on the DVD 91 is read out. Then, the DVD drive unit 9 reads and reproduces the content data recorded on the DVD 91 and outputs it to the control unit 14.

  As described above, the DVD drive unit 9 has a function as a recording unit for recording and recording content data on the DVD 91 and a function as a reproducing unit for reproducing the content data recorded on the DVD 91.

For example, the decoder 10 includes a separate unit, a video decoder, an audio decoder, and the like, although not shown.
The separating unit separates the content data output from the HDD unit 8 or the DVD drive unit 9 via the data processor 7 into a plurality of data such as video data and audio data. The video decoder restores the video data separated in the separate unit according to the MPEG system, and the audio decoder restores the audio data separated in the separate unit according to the MPEG audio system.
The content data generated in the decoder 10 is output to the output interface unit 11 in the reproduction process, and is output to the encoder 6 in the dubbing process.

The output interface unit 11 includes, for example, a D / A converter (not shown), performs various output interface processes on the content data input from the decoder 10 in the reproduction process, and is a television such as an NTSC system or a PAL system. Conversion to video data and audio data suitable for the receiver 200 is performed. Specifically, the D / A converter converts digital content data input from the decoder 10 into analog data when the output is analog.
Video and audio, which are information based on content data generated in the output interface, are output to a display (display screen 200a) and a speaker (not shown) of the television receiver 200 connected to the apparatus main body 1, respectively. .

  The OSD circuit 12 performs a process of synthesizing OSD data (not shown) stored in a memory unit 144 and a ROM 145, which will be described later, with the video data constituting the content data.

  The remote control signal light receiving unit 13 receives an input operation signal such as an infrared ray that is output when various keys provided in the key input unit 2 that is a remote controller are pressed by the user, and receives the input operation signal to the control unit 14. Output.

  The control unit 14 includes an I / O (Input / Output) port 141, a CPU (Central Processing Unit) 142, a timer unit 143, a memory unit 144, a ROM (Read Only Memory) 145, and the like. Yes.

  The CPU 142 inputs an input signal input from each part of the apparatus main body 1 via the I / O port 141 and inputs via the remote control signal light receiving part 13 and the I / O port 141 by pressing various keys of the key input part 2. By executing various programs stored in the ROM 145 in accordance with the input operation signal and the like, and outputting output signals to each part of the apparatus via the I / O port 141 based on the execution program, the HDD The overall operation of the built-in DVD recorder 100 is comprehensively controlled.

  The timer unit 143 measures the current time and outputs the measured current time data to the CPU 142 according to the control output from the CPU 142.

The memory unit 144 includes, for example, a work area 1441 made of a volatile memory such as a RAM (Random Access Memory), and processing results generated when various programs are executed by the CPU 142, input data, and the like Stored in work area 1441.
The memory unit 144 includes a data area 1442 made of a nonvolatile memory such as an EPROM (Erasable Programmable ROM).
In this data area 1442, reproduction history data 1442a (see FIG. 2) relating to the content data recorded on the hard disk 81 or the DVD 91 is recorded. As shown in FIG. 2, the reproduction history data 1442a is already in time series corresponding to the identification information of the content data and the time required for the content data (time required for recording, time required for reproduction). It consists of data indicating a reproduced range, a range not yet reproduced, a fast-forwarded range, and the like.
The data area 1442 stores OSD data related to OSD display to be displayed on the display screen 200 a of the television receiver 200. The data area 1442 stores an identification information storage table in which identification information regarding content data extracted by the extraction unit 5 is stored.

  The ROM 145 has a program storage area made up of, for example, a non-volatile memory. Various programs are provided.

The display control program 145a is a program for displaying a video or an image, which is information based on content data reproduced and output by the HDD unit 8 or the DVD drive unit 9, on the display screen 200a of the television receiver 200. .
Then, the CPU 142 functions as display control means for causing the television receiver 200 to display a video and an image based on the content data reproduced by the HDD unit 8 and the DVD drive unit 9 by executing the display control program 145a. .

Further, the CPU 142 as a display control unit updates the reproduction history data 1442a corresponding to the content data reproduced or fast-forwarded by the HDD unit 8 or the DVD drive unit 9 according to the operation of the key input unit 2 by the user. The process is executed, and the latest reproduction history data 1442a is always stored in the memory unit 144 (data area 1442).
Note that the HDD unit 8 and the DVD drive unit 9 play back (normal playback), 1.3 × speed playback, 2 × speed fast forward, 4 × speed fast forward, and 16 × speed fast forward with respect to the content data by the user's operation of the key input unit 2. Thus, the CPU 142 distinguishes between reproduction execution and fast-forward execution, and generates and records reproduction history data 1442a.

The determination program 145b is a program for determining whether the content data recorded on the hard disk 81 or the DVD 91 has been reproduced by the HDD unit 8 or the DVD drive unit 9, and whether a predetermined fast-forward has been performed.
Then, when the CPU 142 executes the determination program 145b, the area in the content data recorded on the hard disk 81 or the DVD 91 is an area that has already been reproduced or an area that has not yet been reproduced, or is fast-forwarded. It functions as a playback history determination means for determining whether or not the current area is.
Note that the CPU 142 serving as a playback history determination unit determines a played area, an unplayed area, a fast-forward area, and the like based on the playback history data 1442a (see FIG. 2) stored in the memory unit 144 (data area 1442). It is like that.

The chapter setting program 145c sets chapters at the start point position and the end point position of the fast-forwarding area of the content data determined to be fast-forwarded in the content data recorded on the hard disk 81 or the DVD 91 by the CPU 142 as the reproduction history determining means. It is a program for.
Then, the CPU 142 functions as a chapter setting unit that sets chapters at the start point and the end point of the fast-forward area of the content data recorded on the hard disk 81 or the DVD 91 by executing the chapter setting program 145c.
In the reproduction history data 1442a shown in FIG. 2, four chapters (chap.1 to chap.4) are set at the start point position and the end point position of the fast-forward area of the content data.

The thumbnail assignment program 145d corresponds to the chapter (for example, chapter.1 to chapter.4) set by the CPU 142 as the chapter setting means to the position where the chapter is set (the start position and the end position of the fast-forwarding area). This is a program for assigning thumbnail images related to content data to be processed.
Then, the CPU 142 executes a thumbnail assignment program 145d to assign a thumbnail image relating to the content data corresponding to the position to the chapter set at the start position and the end position of the fast-forward area of the content data. Function as.
Note that the CPU 142 as the thumbnail assigning unit executes a process of extracting a thumbnail image corresponding to the position (timing) at which the chapter is set from the video data in the content data. Then, the CPU 142 assigns the extracted thumbnail image to the chapter.

The content display control program 145e, based on the result determined by the CPU 142 as the playback history determination means, a content indicator in which the reproduced area, the unreproduced area, and the fast-forward area in the content data are color-coded, and the thumbnail assignment means This is a program for displaying thumbnail images assigned to chapters by the CPU 142 on the display screen 200a of the television receiver 200.
Then, the CPU 142 executes the content display control program 145e, so that the thumbnail image assigned to the chapter is displayed together with the content indicator in which the reproduced region, the non-reproduced region, and the fast-forward region in the content data are color-coded. As a content display control means for displaying on the display screen 200a of the television receiver 200.

Here, the function of the CPU 142 as the content display control means will be described based on the content display screen displayed on the display screen 200a of the television receiver 200 shown in FIG.
As shown in FIG. 3, a content display screen having various display items related to content recorded on the hard disk 81 (or DVD 91) by a user's operation of the key input unit 2 is a display screen 200a of the television receiver 200. Is displayed.
For example, Pr. 1 to Pr. When four programs 4 are recorded, as shown in FIG. 3, a thumbnail image 201 for confirming the program contents for making the contents of each program visible is displayed on the upper side of the display screen 200a. For example, Pr. 1 is a travel program, Pr. 2 is a drama program, Pr. 3 is a car sports program, Pr. 4 is an animal program, and is shown by four thumbnail images 201 for checking the program contents.

Then, as shown in FIG. 3, Pr. 2 thumbnail image 201 is selected and selected, its Pr. A content indicator 202 related to the content data of the second drama program and a reproduction history table 203 corresponding to the content indicator 202 are displayed on the display screen 200a. Also, for chapters assigned to chapters set at the start position (for example, chap.1, chap.3) and end point position (for example, chap.2, chap.4) of the fast-forwarding area of the content data A thumbnail image 204 is displayed on the display screen 200a. The content indicator 202, the reproduction history table 203, and the thumbnail image 204 are generated based on the reproduction history data 1442a stored in the memory unit 144.
For example, Pr. The content indicator 202 of No. 2 has a playback area of 0 to 20 minutes, a double speed fast-forward area of 20 to 30 minutes, a playback area of 30 to 40 minutes, and 40 to 50 of 60 minutes, which is a required time of the content data. This is a band graph-like indicator that is displayed by being color-coded to indicate that the minute is a quadruple speed fast-forward area and the 50-60 minutes is an unreproduced area.
A chapter thumbnail image 204 is displayed corresponding to the fast-forward area in the content indicator 202.

In this way, the content indicator 202 in which the reproduction area, the non-reproduction area, and the fast-forward area in the content data recorded on the hard disk 81 or the DVD 91 are color-coded can be displayed on the display screen 200a of the television receiver 200. The user can check how much the content recorded on the hard disk 81 or the DVD 91 has been viewed.
Further, since the thumbnail image 204 for the chapter corresponding to the content indicator 202 can be displayed together with the content indicator 202 on the display screen 200a of the television receiver 200, the user can fast-forward when viewing the content. It becomes possible to confirm the contents before and after the timing. For example, as shown in FIG. 3, since the thumbnail image 204 of chap.1 is an image related to a commercial, it can be confirmed that the commercial is inserted at that timing, and chap.2 to chap. The scene of the drama program at that timing can be confirmed by the scene of the drama displayed in the thumbnail image 204 of 4.

The chapter moving image display control program 145f reproduces a moving image related to the content data corresponding to the start point position and the end point position of the fast-forwarding area of the content data in which the chapter is set by the CPU 142 serving as the chapter setting unit, and reproduces the predetermined time for the television receiver 200. It is a program for displaying on the display screen 200a.
Then, the CPU 142 executes the chapter moving image display control program 145f, thereby reproducing a moving image related to the content data corresponding to the start point position and the end point position of the fast-forward area in which the chapter has been set for a predetermined time to display on the television receiver 200. It functions as a chapter moving image display control means displayed on the screen 200a.
Note that the CPU 142 as the chapter moving image display control means executes a process of acquiring, for example, 10 seconds of video data for 5 seconds before and after the position (timing) where the chapter is set from the video data in the content data. To do. Then, the CPU 142 reproduces and displays a moving image for 10 seconds on the television receiver 200 based on the acquired video data.

Here, the function of the CPU 142 as the chapter moving image display control means will be described based on the content display screen displayed on the display screen 200a of the television receiver 200 shown in FIG.
As shown in FIG. 3, a content display screen having various display items related to content recorded on the hard disk 81 (or DVD 91) by a user's operation of the key input unit 2 is a display screen 200a of the television receiver 200. Is displayed.
In this content display screen, Pr. 2 is designated and selected, the Pr. The content indicator 202 related to the content data of the drama program 2 and the thumbnail image 204 for the chapter assigned to the chapter of the content data are displayed on the display screen 200a.

As shown in FIG. 3, when the thumbnail image 204 of chap.3 is instructed and selected by the user's operation of the key input unit 2, the position (timing) where chap.3 is set in the content data is selected. A moving image based on 10 seconds worth of video data of 5 seconds before and after the sandwiching is displayed on the sample screen 205.
In this manner, the start position (for example, chap.1, chap.3) and the end point position (for example, chap.2, chap.4) of the fast-forward area in the content indicator 202 are displayed on the display screen 200a of the television receiver 200. Since the moving image corresponding to the chapter thumbnail image 204 can be displayed, the user can check the details of the content before and after the fast-forwarded area that has been fast-forwarded in more detail than the thumbnail image 204. For example, check whether the chapter position (thumbnail image 204) is a scene that will move to a commercial or a scene that returns from a commercial to a program, or a scene that was intended to continue watching the program, or the continuation of the program. You can see if the scene was not intended.

The HDD built-in DVD recorder 100 according to the present invention described above is recorded on the hard disk 81 or the DVD 91 of the HDD built-in DVD recorder 100 on the display screen 200 a of the television receiver 200 connected to the HDD built-in DVD recorder 100. Since the content indicator 202 in which the reproduction area, the non-reproduction area, and the fast-forward area in the content data being recorded can be displayed, the user can check how much the content recorded on the hard disk 81 or the DVD 91 has been viewed. Is possible. Further, since the thumbnail image 204 for the chapter corresponding to the content indicator 202 can be displayed together with the content indicator 202 on the display screen 200a of the television receiver 200, the user can fast-forward when viewing the content. It becomes possible to confirm the contents before and after the timing (fast-forward area).
In addition, since the moving image corresponding to the thumbnail images 204 for the chapters before and after the fast-forward area in the content indicator 202 can be displayed on the display screen 200a of the television receiver 200, the user is more detailed than the thumbnail image 204. It becomes possible to check the content at the timing of the start point position and end point position of the fast-forwarding area.

As described above, according to the HDD built-in DVD recorder 100, the user can check how much the content recorded on the hard disk 81 or the DVD 91, which is a recording medium, has been viewed, and can be fast-forwarded when viewing the content (fast-forward area). ) Can be confirmed before and after, so whether the content data recorded on the hard disk 81 or the DVD 91 should be reproduced and viewed or not reproduced thereafter. Easy to judge.
That is, the user can check the viewing status of content data recorded on the hard disk 81 or the DVD 91 in the HDD built-in DVD recorder 100 and the content, and then play the content data. It becomes possible to select and reproduce content data or an arbitrary area of the content data.
Therefore, it can be said that the HDD built-in DVD recorder 100 is an information recording / reproducing apparatus capable of suitably reproducing the content data recorded on the hard disk 81 or the DVD 91.

  In the above embodiment, the hard disk 81 and the DVD 91 have been described as examples of the recording medium. However, the present invention is not limited to this, and for example, a magnetic disk other than the hard disk 81 or other than the DVD 91 may be used. Other recording media such as optical discs, magneto-optical discs, magnetic tapes, and semiconductor memories may be used, and data recording equipment that records on each recording medium may be used.

  In the above embodiment, the content indicator 202 in which the reproduction area, the non-reproduction area, and the fast-forward area in the content data are color-coded is displayed. However, the present invention is not limited to this, for example, You may make it display each area | region with a different display form (a pattern, a shape, etc.).

  In addition to adjusting the playback position on the recording medium with reference to the content indicator 202 and the playback history table 203 displayed on the content display screen, playback from an arbitrary position (time) of the content data is performed. By pointing an arbitrary position on the content indicator 202 by the user's operation of the key input unit 2, an arbitrary position of the content data may be selected, and reproduction from that point may be performed.

  In addition, it is needless to say that other specific detailed structures can be appropriately changed.

It is a block diagram which shows the principal part structure of the DVD recorder with a built-in HDD which concerns on this invention. It is explanatory drawing which shows an example of the reproduction | regeneration history data recorded on a memory part. FIG. 26 is an explanatory diagram illustrating an example of a content display screen displayed on the television receiver 200.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Key input part 8 HDD part (Recording means, reproduction | regeneration means)
81 Hard disk (recording medium)
9 DVD drive section (recording means, playback means)
91 DVD (recording medium)
14 control unit 142 CPU (display control means, reproduction history determination means, chapter setting means, thumbnail assignment means, content display control means, chapter video display control means)
144 Memory unit 1442 Data area 1442a Playback history data 145 ROM
145a Display control program 145b Playback history determination program 145c Chapter setting program 145d Thumbnail assignment program 145e Content display control program 145f Chapter moving image display control program 100 DVD recorder with built-in HDD (information recording / reproducing apparatus)
200 Television receiver (display unit)
200a Display screen 201 Thumbnail image for checking program content 202 Content indicator 203 Playback history table 204 Thumbnail image for chapter 205 Sample screen

Claims (3)

  1. Recording means for recording content data on a predetermined recording medium;
    An input means for the user to input various operation instructions;
    Reproducing means for reproducing or fast-forwarding content data recorded on the recording medium in response to an operation of the input means by a user ;
    Display control means for displaying information based on the content data reproduced by the reproduction means on a predetermined display unit;
    Reproduction history determination means for determining whether or not the content data recorded on the recording medium has been reproduced by the reproduction means, and whether a predetermined fast-forward has been performed;
    Chapter setting means for setting chapters at the start and end positions of the fast-forwarding area of the content data determined to have been fast-forwarded by the reproduction history determining means;
    Thumbnail assigning means for assigning a thumbnail image related to the content data corresponding to the position where the chapter is set to the chapter set by the chapter setting means;
    Based on the result determined by the playback history determination means, a content indicator in which the played area, the unplayed area, and the fast-forward area in the content data are color-coded, and assigned to the chapter by the thumbnail assigning means. Content display control means for causing the display unit to display the thumbnail image that has been displayed;
    Chapter moving image display control means for reproducing and displaying a moving image related to the content data corresponding to the start point position and the end point position of the fast-forward area in which the chapter is set;
    An information recording / reproducing apparatus comprising:
  2. Recording means for recording content data on a predetermined recording medium;
    An input means for the user to input various operation instructions;
    Reproducing means for reproducing or fast-forwarding content data recorded on the recording medium in response to an operation of the input means by a user ;
    Display control means for displaying information based on the content data reproduced by the reproduction means on a predetermined display unit;
    Reproduction history determination means for determining whether or not the content data recorded on the recording medium has been reproduced by the reproduction means, and whether a predetermined fast-forward has been performed;
    Chapter setting means for setting chapters at the start and end positions of the fast-forwarding area of the content data determined to have been fast-forwarded by the reproduction history determining means;
    Thumbnail assigning means for assigning a thumbnail image related to the content data corresponding to the position where the chapter is set to the chapter set by the chapter setting means;
    Based on the result determined by the playback history determination means, a content indicator in which the played area, the unplayed area, and the fast-forward area in the content data are color-coded, and assigned to the chapter by the thumbnail assigning means. Content display control means for causing the display unit to display the thumbnail image that has been displayed;
    An information recording / reproducing apparatus comprising:
  3.   The information according to claim 2, further comprising a chapter moving image display control unit configured to reproduce and display a moving image related to the content data corresponding to the start point position and the end point position of the fast-forward area in which the chapter is set. Recording / playback device.
JP2006123653A 2006-04-27 2006-04-27 Information recording / reproducing device Expired - Fee Related JP4835253B2 (en)

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JPH11213630A (en) * 1998-01-29 1999-08-06 Matsushita Electric Ind Co Ltd Reproduced image sound data specifying method, image sound data editing method, reproduced image sound data specifying device and image sound data editing device
JPH11273319A (en) * 1998-03-26 1999-10-08 Onkyo Corp Information reproduction control device and information reproduction method
JP2000076801A (en) * 1998-09-02 2000-03-14 Toshiba Corp Information reproduction apparatus
JP3376314B2 (en) * 1999-05-12 2003-02-10 東芝デジタルメディアエンジニアリング株式会社 Digital video information medium, digital video information recording / reproducing apparatus, and digital video information processing method
JP3631430B2 (en) * 2000-11-08 2005-03-23 株式会社東芝 Recording / playback device with automatic chapter creation function
JP4046483B2 (en) * 2001-04-17 2008-02-13 シャープ株式会社 Information playback device
JP4105944B2 (en) * 2001-12-25 2008-06-25 松下電器産業株式会社 Reproduction apparatus, computer-readable program, and reproduction method.
JP2003242752A (en) * 2002-02-14 2003-08-29 Toshiba Corp Reproducing information editing device and method
JP2005064914A (en) * 2003-08-13 2005-03-10 Nagase & Co Ltd Content processor, and program
JP2005302155A (en) * 2004-04-12 2005-10-27 Sharp Corp Information reproducing apparatus, information reproduction method, computer executable program, and recording medium

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