JP2000354225A - Disk recorder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain high-speed movement to a reproduction position and to display attached information as a menu. SOLUTION: A CM detection circuit 6 receives a recording stream from a receiver 2 and sets a chapter point at each end of a CM period. A reproduction information generator 7 receives chapter information and generates reproduction information to attain movement to the chapter point at the reproduction. Furthermore, a menu information generator 5 receives program information and the chapter information and converts them into menu information. A disk 4 records the menu information and the reproduction information together with the recording stream. In the case of reproduction, the menu information is reproduced and contents of a language of voice and caption included in program information can be displayed. Furthermore, through the operation while referring to a menu display, high speed movement to the chapter point is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a disk recording apparatus suitable for recording program data having a plurality of sounds and subtitles.

[0002]

2. Description of the Related Art In recent years, digital processing of images has become widespread.
D (Digital Versatile Disc) has also been developed. DV
The television signal to be recorded on D is encoded by the MPEG system in consideration of a variable bit rate (hereinafter, referred to as VBR).

FIG. 16 is a block diagram showing a conventional disk recording apparatus for recording a broadcast signal using such a recordable DVD disk.

[0004] A television broadcast signal induced by a television broadcast receiving antenna 17 is supplied to a receiver 2. The receiving device 2 selects a broadcast signal of a specific channel and supplies it to the video / audio separator 18. The selected broadcast signal is separated into a video signal and an audio signal by a video / audio separator 18 and supplied to a video encoder (VEnc) 19 and an audio encoder (AEnc) 20, respectively.

[0005] Encoders 19 and 20 code-compress video and audio signals, respectively, to obtain MPEG video streams or audio streams. The MPEG video stream and the audio stream are packetized in a predetermined unit by the selection device 15, respectively, multiplexed, and supplied to the recording device 3 as a system stream. The recording device 3 records the input system stream on the disk 4.

In digital television broadcasting, a signal encoded by the MPEG system is transmitted.
FIG. 17 is a block diagram showing a conventional disk recording apparatus for receiving and recording a digital broadcast signal.

In FIG. 17, a digital television broadcast signal received by a digital television broadcast receiving antenna 1 is supplied to a receiving device 2. The receiving device 2 selects and demodulates a digital television broadcast signal. From the receiving device 2, a specific system stream in which the video signal and the audio signal are multiplexed is obtained. This system stream is supplied to the recording device 3, and the recording device 3
The system stream is recorded on the disk 4.

As described above, in the conventional disk recording apparatus, the received broadcast signal is recorded as it is without processing. By the way, as a method of searching for a program recorded on a disc, a method of searching while the user confirms by fast-forwarding or rewinding can be considered. However, this method requires a long time for searching.

There is also a method of directly moving to a designated position by designating a time. In this method, the playback position can be moved to the designated position in a short time, but it is necessary to know the time at a predetermined location in advance.

In digital television broadcasting, audio and subtitle data in a plurality of languages can be transmitted. In the conventional disk recording device described above,
A plurality of audio signals and a plurality of subtitle signals can be simultaneously recorded on a disc in association with a video signal. In this case, at the time of reproduction, the language such as audio and subtitles can be changed by remote control operation. However, the user cannot know in advance which language is included in the recorded program, and only knows the type of language after the operation.

[0011]

As described above, the conventional disk recording apparatus described above has a problem that it takes a long time to search for a program if the reproduction position is not known. There is also a problem that there is no way to know in advance the language of the audio and subtitles of the recorded program.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has been made in view of the above-mentioned circumstances. It is intended to provide a device.

Another object of the present invention is to provide a disk recording apparatus capable of displaying the language of audio and subtitles and selecting the language by a simple operation.

[0014]

According to the present invention, there is provided a disk recording apparatus comprising: receiving means for obtaining a recording stream from input program data; program information obtaining means for obtaining program information relating to the program data; Direct access information creating means for creating information on a direct access point at the time of reproduction based on at least one of program data, the program information, and predetermined setting information; and, based on the program information and the direct access information. A menu information creating unit for creating menu information; and a recording unit for recording the program data and the reproduction information based on the menu information and the direct access information on a disk-shaped medium.

In the present invention, at least one of the program data received by the receiving means, the program information acquired by the program information acquiring means, and the predetermined setting information.
The direct access information creating means sets a direct access point based on the two pieces of information. The information on the direct access point and the program information are converted into menu information by the menu information creating means, and are recorded on the disc-shaped medium by the recording means. Thereby, by referring to the menu information at the time of reproduction, it is possible to display the contents of the information on the program and the contents of the direct access point. Further, reproduction information based on the direct access information is also recorded on the disk-shaped medium, and the reproduction position can be moved to the direct access point while referring to the menu display during reproduction.

[0016]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a disk recording apparatus according to the present invention.

A high-frequency digital broadcast signal is induced in the antenna 1. The digital television broadcast signal received by the antenna 1 is supplied to the receiving device 2. A broadcasting station multiplexes a plurality of coded streams obtained by compressing and encoding various data to create a digital TV signal of one stream, and multiplexes the digital stream by a predetermined method to transmit a digital broadcast signal. are doing.

The receiving device 2 selects and demodulates a digital television broadcast signal to extract a specific stream. The receiving device 2 outputs the extracted stream (hereinafter, referred to as a recording stream) to the recording device 3 and also outputs to the CM detection circuit 6 and the menu information creating device 5. Also, in the digital television broadcast signal, at the same time or in advance with the program, program information such as a title name, audio, a type of subtitle language, and introduction of performers is also distributed. The receiving device 2 extracts program information related to a recording stream from a digital broadcast signal and outputs the program information to the menu information creating device 5.

The CM detection circuit 6 is provided with the recording stream from the receiving device 2, detects a commercial (CM) portion in the recording stream, and sets a commercial period (CM period).
Is set as a direct access (chapter) point. The CM detection circuit 6 supplies the set time code and the like of the direct access point as chapter information to the reproduction information creation device 7 and the menu information creation device 5. Further, the CM detection circuit 6 outputs a recording stop signal indicating the CM period to the recording device 3 so as not to record the CM period.

The reproduction information generation device 7 generates reproduction information necessary for reproduction based on the chapter information and supplies the reproduction information to the recording device 3. For example, the reproduction information creation device 7 creates a recording address table as the reproduction information. The reproduction information indicates the recording position of the chapter point. By recording the reproduction information, the reproduction position can be jumped to the position of the chapter point during reproduction. The reproduction information creation device 7 sets not only the end timing of the CM period but also the recording start timing and the recording end timing as chapter points.

The menu information creation device 5 is provided with program information from the reception device 2, chapter information from the CM detection circuit 6, and external information as an external input, and displays various menus at the time of reproduction based on these information. Create menu information to perform. For example, the menu information creation device 5
Means DVD Specifications for Read-Only
Disc Part 3 VIDEO SPECIFICATIONS Version 1.0 Augus
Create menu information according to t 1996).

FIG. 2 is an explanatory diagram for explaining menu information created by the menu information creating device 5. FIG.
2A shows a display based on the main video information, FIG. 2B shows a display based on the sub video information, FIG. 2C shows a display based on the highlight information, and FIG. 3A shows a mixed image of (c).

The menu information is composed of main video information, sub video information and highlight information. The main video information is an MPEG video stream corresponding to a fixed main video portion of the menu screen. In the example of FIG. 2A, the main video is a frame image and “TitleMen” displayed above the frame image.
u ".

The sub-picture information corresponds to display of a menu selection item (sub-picture), and the highlight information corresponds to color display indicating that the sub-picture has been selected or determined. Note that the highlight information also corresponds to a command or the like that defines a link destination of a selection item. FIG. 2 (b),
In the example of (c), the sub-video displays three items 1 to 3, and the highlight information is a highlight display of the selected item (indicated by oblique lines in the figure). A menu is displayed by mixing these main video, sub video and highlight display (FIG. 2D).

The menu information creating device 5 is configured to input main video information as external information. In addition, information used to display prescribed items such as numbers and characters of items in the sub-video information is also input as external information. The menu information creating device 5 creates sub-video information to be displayed as an item based on chapter information and program information from the CM detection circuit 6.

The menu information creating device 5 also creates highlight information such as a command to be executed when a set item is selected. For example, as highlight information based on the chapter information, a command for reading the corresponding position of the reproduction information and moving the reproduction head is generated to move the reproduction position to the selected chapter point.
Further, for example, when the menu information creating device 5 creates the menu information of the language of the audio and the subtitle obtained from the program information, the menu information creating device 5 reproduces the audio or the subtitle stream of the selected language as highlight information. Generate a command for

The menu information creating device 5 is also provided with a recording stream. It is conceivable that chapter information for designating a direct access point is inserted into a broadcast signal. In this case, the menu information creating device 5 can create menu information from chapter information in the recording stream.

The menu information from the menu information creating device 5 is supplied to the recording device 3. The recording device 3 records the recording stream from the receiving device 2, the reproduction information from the reproduction information creation device 7, and the menu information from the menu information creation device 5 at predetermined locations on the disc 4.
The recording device 3 is also provided with a recording stop signal indicating a CM period, and the recording device 3 does not perform recording for a CM.

Next, the operation of the embodiment configured as described above will be described with reference to FIGS.

The digital television broadcast signal received by the antenna 1 is supplied to the receiving device 2. The receiving device 2 extracts a stream based on the user's channel selection operation, and outputs the stream to the recording device 3 as a recording stream. C
The M detection circuit 6 detects the CM period of the recording stream,
The chapter information indicating the end point of the CM period is output to the menu information creation device 5 and the reproduction information creation device 7. Also, C
The M detection circuit 6 outputs a recording stop signal indicating the CM period to the recording device 3.

FIG. 3A shows a recording stream from the receiving device 2, and FIG. 3B shows a recording stream recorded on the disk 4. As shown in FIG. 3A, commercials CM1, CM2, CM3 are included in the recording stream.
, ... are included. The CM detection circuit 6 detects each of the CM1, CM2
, CM3,... Are defined as chapter points CP1, CP2,.
CP3, ... The chapter information indicating the chapter point is provided to the reproduction information creation device 7, and the reproduction information is created. The reproduction information enables the position of a chapter point to be specified during reproduction. The reproduction information is also provided to the recording device 3.

The menu information creation device 5 includes program information,
Chapter information and external information are supplied. The menu information creation device 5 creates menu information for displaying various menus at the time of reproduction based on the input information, and outputs the menu information to the recording device 3.

The menu information creating device 5 can create menu information for displaying a chapter menu, for example. FIG. 4 shows a display example of the chapter menu. The chapter menu is for directly accessing a chapter point at the time of reproduction.

The menu information creating device 5 is supplied with a part of the main video information and the sub video information as external information. For example, the information on the background image and the characters in FIG. 4 is given as external information. The menu information creation device 5 grasps the number of chapter points set by the chapter information from the CM detection circuit 6. The menu information creation device 5 performs display indicating whether the item is valid or invalid according to the set number of chapter points. For example, when the number of chapter points is 6, as shown in FIG. 4, the menu information creation device 5 changes the selection item “chapter 1” from the chapter menu screen to “chapter 6” and “to the main menu”. And set the area to highlight these items.

The menu information creating device 5 creates color information for highlight display, information for moving an item to be selected, and the like as highlight information. Further, when a selection operation is performed on a valid item, the menu information creation device 5 assigns a command or the like to the selection item.
For example, the menu information creation device 5 creates highlight information to which the following commands are assigned, corresponding to the selection items “chapter 1” to “to the main menu” as the command contents.

Jump to Chapter 1 (JumpVTS_PTT 21) Jump to Chapter 2 (JumpVTS_PTT 22) Jump to Chapter 3 (JumpVTS_PTT 23) Jump to Chapter 4 (JumpVTS_PTT 24) Jump to Chapter 5 (JumpVTS_PTT 25) Chapter 6 Jump to main menu (JumpVTS_PTT 26) Jump to main menu (JumpSS) The menu information creation device 5 can also create menu information for displaying a title menu.
FIG. 5 shows a display example of the title menu. The title menu is for direct access to the beginning of the program during reproduction.

The menu information creating device 5 acquires information data (character data) of a program title from program information distributed in advance or simultaneously. Using this information data,
The menu information creation device 5 generates the sub-picture information of the sub-picture shown in FIG. The main video information of the main video in FIG. 5A is taken in as external information.

Further, the menu information creating device 5 highlights the items, sets a command corresponding to each item, and creates highlight information for moving each item. For example, each item of the title menu is shown in FIG.
In the case shown in (b), the following commands can be considered as commands assigned by the menu information creation device 5 to these items.

Drama A (4/11) Playback Start (JumpTT 1) Drama B (4/18) Playback Start (JumpTT 2) The recording device 3 records the recording stream, menu information, and playback information on the disc 4. In this case, FIG.
As shown in (b), the recording stream in the CM period is not recorded based on the recording stop signal.

It is assumed that the disk 4 recorded as described above is reproduced by a reproducing device (not shown). In this case, the playback device plays back the recorded stream based on the playback information recorded on the disk 4. The playback device supplies the menu information reproduced from the disc 4 to a display device (not shown). Thereby, various menus based on the menu information can be displayed on the display screen of the display device.

For example, on the display screen of the display device, menu titles, languages of audio and subtitles, chapter points, and the like can be displayed on the menu based on the menu information.

Now, it is assumed that the chapter list shown in FIG. 4 is displayed on the display screen as the chapter menu, and the title menu shown in FIG. 6 is displayed as the title menu. Here, it is assumed that the user wants to view the drama A program recorded on the disk 4. The user causes the title menu shown in FIG. 6 to be displayed, and from the display of the program title name on the display screen, 1. An operation of selecting drama A is performed. Then, the playback device reads out and executes the command included in the highlight information based on the user operation. Thereby, the playback device moves the head to the playback start position of drama A, and starts playback of the recorded stream of drama A.

Next, when the user specifies the search mode, the playback device reads the menu information relating to the chapter points and displays the chapter list shown in FIG. In the example of FIG. 4, drama A has six chapter points set. When the user specifies a desired chapter point, the playback device moves to a playback position indicated by the chapter point and performs playback based on the playback information. This allows the user to move to the desired playback position relatively quickly.

It should be noted that no CM period is recorded, and only a necessary portion is reproduced at the time of reproduction, and an operation of skipping a CM is unnecessary.

Further, as a menu display, a display about a language such as audio or subtitles is also possible. Even in this case, it is obvious that the language such as audio or subtitle can be specified while referring to the menu display.

As described above, in this embodiment, the CM of the recording stream is detected, the chapter point is set at the end point of the CM period, and the menu information is created based on the program information and the chapter information. Reproduction information and menu information based on chapter information are recorded on a disc together with a recording stream. As a result, during playback,
A menu display based on the program information and the chapter information can be displayed, and the user can easily grasp the content of the additional information added to the recording stream and the information of the chapter point, and select the program and language by a simple operation. Selection of,
Searching can be performed. Further, in the search mode, it is possible to move to a desired reproduction position in a short time by a simple operation based on the information of the chapter point. That is, in the present embodiment, the menu display makes it possible to jump to a program recorded on the disc or to a direct access point in the program, thereby significantly shortening the search time.

In the above embodiment, the chapter point at which the CM is detected is set. For example, the chapter point is set at a predetermined time interval based on the predetermined setting information regardless of the presence or absence of the CM. You may. Further, it is apparent that a chapter point may be set at an arbitrary position based on a user operation.

When a new title is added to a disc on which several titles and title menus are already recorded, the name of the title to be recorded this time is added to the name of the existing title (selection item). It is also possible to generate a title menu screen to which (selection items) are added.

In the present embodiment, the menu information is held until the recording of the recording stream is completed, and is recorded on the disk 4 after the recording of the recording stream is completed. As for information creation, the information can be recorded on the disc 4 before the recording stream is recorded.

In the above-described embodiment, the description has been made assuming that a part of the main video information and the sub-video information for forming the menu information is taken in as the external information. May be stored automatically and automatically created. Also, CM
The recording stream may be recorded also during the period.

FIG. 7 is a block diagram showing another embodiment of the present invention. 7, the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. This embodiment is an example in which a chapter point is set for each scene change.

This embodiment is different from the embodiment of FIG. 1 in that a scene change detection circuit 8 is provided in place of the CM detection circuit 6.

The scene change detecting circuit 8 detects a scene change of the recording stream, sets the scene change timing to a chapter point, and outputs chapter information indicating the chapter point to the menu information creating device 5 and the reproduction information creating device 7. It is supposed to.

In the embodiment configured as described above, the chapter point indicates a scene change, so that the reproduction position can be moved for each scene change by the reproduction information recorded on the disk 4. is there.

As described above, also in this embodiment, FIG.
The same effect as that of the embodiment can be obtained.

FIG. 8 is a block diagram showing another embodiment of the present invention. 8, the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

This embodiment is different from the embodiment of FIG. 1 in that a chapter information extracting circuit 21 is provided instead of the CM detecting circuit 6.

The chapter information extracting circuit 21 extracts chapter information included in the program information, and outputs the extracted chapter information to the menu information creating device 5 and the reproduction information creating device 7.

In the embodiment configured as described above, it is possible to jump the reproduction position based on the chapter point included in the program information.

As described above, also in this embodiment, FIG.
The same effect as that of the embodiment can be obtained.

FIG. 9 is a block diagram showing another embodiment of the present invention. 9, the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

The stream output from the receiving device 2 is a stream obtained by time-division multiplexing a plurality of streams. In the embodiment of FIG. 1, an example has been described in which all of the multiplexed streams from the receiving device 2 are recorded. The present embodiment is an example in which the present invention is applied to a case where only a selected stream among a plurality of time-division multiplexed streams from the receiving apparatus 2 is recorded.

This embodiment differs from the embodiment shown in FIG. 1 in that a demultiplexer 31, an audio stream selection device 32 and a multiplexer 33 are added. The demultiplexer 31 demultiplexes the stream from the receiving device 2, separates the streams into respective streams, and outputs the streams to the audio stream selecting device 32.

The audio stream selecting device 32 selects an audio stream based on a user operation, for example, for a plurality of audio streams among the input streams. That is, the audio stream selection device 32
When there are two or more audio streams, one or more necessary audio streams are selected from among them. For example, if there are audio streams in English, Japanese, and French, for example, English and Japanese streams are selected based on a user operation.

The multiplexer 33 multiplexes the video stream, audio stream and other streams output from the audio stream selecting device 32 to generate a system stream and outputs it as a recording stream. This recording stream is supplied to the recording device 3, the menu information creation device 5, and the CM detection circuit 6.

In the embodiment configured as described above, the received stream is separated into a video stream, an audio stream, and other streams by the demultiplexer and supplied to the audio stream selection device 32. The user selects a stream to be recorded from a plurality of audio streams. The audio stream selection device 32 selects one or more audio streams based on a user's selection operation, and outputs the selected audio stream together with the video stream and other streams.

Each of these streams is multiplexed by the multiplexer 33 and output as a recording stream. Also in this case, the CM detection circuit 6 detects the CM of the recording stream. The recording stream is also supplied to the menu information creation device 5, and the menu information creation device 5 uses the program information and the recording stream to
The language of the audio included in the recording stream is determined, and menu information indicating the language of the audio is created.

FIG. 10 shows the display contents of the sub-picture information created by the menu information creating device 5. In the example of FIG. 10, it is shown that English and Japanese streams are recorded as audio languages. The menu information creation device 5 enables the menu display shown in FIG. 11 using the main video information, the sub video information, and the highlight information. The following commands are set as highlight information.

For the item of “1. English”, set stream 1 as the playback audio language (SetSTN). For the item of “2. Japanese”, set stream 2 as the playback audio language (SetSTN). By reading the menu information, the menu display shown in FIG. 11 can be displayed. For example, if the user When the English item is selected, the playback device reads the English stream. Thus, the user can easily know the type of the recorded language, and can specify the language of the voice by a simple operation.

Other functions are the same as those of the embodiment shown in FIG.

In this embodiment, the same effects as in the embodiment of FIG. 1 can be obtained. Further, in the present embodiment, only the sound desired by the user can be recorded on the disc, and the amount of data written to the disc can be reduced.

FIG. 12 is a block diagram showing another embodiment of the present invention. 10, the same components as those in FIG. 9 are denoted by the same reference numerals, and description thereof will be omitted.

In this embodiment, the audio stream selecting device 3
This embodiment differs from the embodiment of FIG. 9 in that a subtitle stream selection device 35 is used instead of the subtitle stream selection device 2. Subtitle stream selection device 3
5 is configured to select a subtitle stream based on a user operation, for example, for a plurality of subtitle streams among the input streams. That is, when there are two or more subtitle streams, the subtitle stream selection device 35 selects one or more necessary subtitle streams from the subtitle streams. For example, if English, Japanese, and French subtitle streams exist,
For example, select English and Japanese streams.

In the embodiment configured as described above, the received stream is separated into a video, audio stream, subtitle stream and other streams by the demultiplexer, and the subtitle stream selection device 35
Supplied to The user selects a stream to be recorded from a plurality of subtitle streams. The subtitle stream selection device 35 selects one or more subtitle streams based on a user's selection operation, and outputs the selected subtitle stream together with the video, audio stream, and other streams.

Each of these streams is multiplexed by the multiplexer 33 and output as a recording stream. Also in this case, the CM detection circuit 6 detects the CM of the recording stream. The recording stream is also supplied to the menu information creation device 5, and the menu information creation device 5 uses the program information and the recording stream to
The language of the subtitle included in the recording stream is determined, and menu information indicating the language of the subtitle is created.

FIG. 13 shows a display example based on menu information created by the menu information creating device 5. The example in FIG. 13 shows that English and Japanese streams are recorded as caption languages. The menu information creation device 5 enables the menu display shown in FIG. 13 using the main video information, the sub video information, and the highlight information.
The following commands are set as highlight information.

For item “1. Japanese”, set stream 1 as playback subtitles (SetSTN) For item “2. English”, set stream 2 as playback subtitles (SetSTN) “3. Japan For the item of "word OFF", stream 1 is turned off (SetSTN). For the item of "4. English OFF", stream 2 is turned off.
FF (SetSTN) By reading the menu information at the time of reproduction, the menu display shown in FIG. 13 can be displayed. For example, if the user When the English item is selected, the playback device reads the English subtitle stream. Thereby, the user can easily know the type of the language of the recorded subtitles, and can specify the language of the subtitles by a simple operation.

Other functions are the same as those of the embodiment shown in FIG.

In this embodiment, the same effects as in the embodiment of FIG. 1 can be obtained. Further, in the present embodiment, only subtitles desired by the user can be recorded on the disc, and the amount of data written to the disc can be reduced.

In the embodiment shown in FIGS. 9 and 12, an example in which the recording start point and the end point of the CM period are set as the chapter points has been described. However, it is apparent that the scene change point may be set as the chapter point. is there.

FIG. 14 is a block diagram showing another embodiment of the present invention. 14, the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

This embodiment is an example in which a circuit for setting a chapter point is omitted. This embodiment differs from the embodiment of FIG. 1 in that the CM detection circuit 6 and the reproduction information creation device 7 are omitted.

The menu information creating device 5 creates menu information based on the input program information and external information, and outputs it to the recording device 3. The program information includes various information related to the program to be recorded, and the menu information creating device 5 provides a menu display for acquiring various information related to the program based on the program information and the external information. .

In the embodiment configured as described above, menu information creating device 5 creates menu information based on program information. FIG. 15 shows a menu display based on the menu information created by the menu information creating device 5. The menu information creation device 5 extracts information on the characters of the recorded program from the program-related information of the recorded program, and creates a menu. For example, the menu information creation device extracts information based on character data of a character from program information and displays a menu on the character.

For example, FIG. 15A shows the first content (part 1) of the family of Mr. A who is a character in a program. FIG. 15B shows the second (part 2) of the content of the family A. The menu information creating device 5 creates link information for moving each menu as highlight information. In the example of FIG. 15, the menu information creating device 5 creates the following command as highlight information.

For the item of "to the main menu", jump to the main menu (JumpSS) For the item of "next", jump to the next page (part 2) (LinkNextPG) For the item of "return" Return to the previous page (Part 1) (LinkPrevPG) Jump to the main menu in response to the item “To the main menu” (JumpSS) Give menu information from the menu information creation device 5 to the recording device 3 and record it on the disc 4 I do.

By recording such menu information, at the time of reproduction, it is possible to display, for example, information related to a recorded program, information on casts, and the like.

As described above, also in the present embodiment, the menu display allows the user to easily know the additional information and use the additional information by a simple operation.

The present invention is not limited to the above embodiments, and various modifications are possible. For example, in each of the above embodiments, a direct access point can be set and changed by a user operation during or after recording.

Further, in each of the above embodiments, an example in which a digital television broadcast signal is received has been described. However, it is apparent that the present invention can be applied to a case where an analog broadcast is received. When receiving an analog television broadcast, a broadcast signal of a specific channel is selected, separated into a video signal and an audio signal by a video / audio separator, each signal is compression-encoded, and each compression code is encoded. A system stream that is packetized and multiplexed in a predetermined unit is adopted.

Further, the data created by the menu information creation device 5 is recorded on the disc after the recording of the system stream is completed. However, if the creation of the menu information is completed by the data distributed in advance, the data may be recorded in advance or simultaneously. Recording may be performed.

Further, in each of the above embodiments, the example of receiving a television broadcast signal has been described.
The present invention can be applied to a case where a reproduction signal or the like from a recording / reproducing device is input, and an arbitrary video input can be adopted as the input.

Further, in each of the above embodiments, the direct access point can be set and changed by a user operation during or after recording.

Further, in each of the above-described embodiments, an example has been described in which a chapter menu, an audio menu, a subtitle menu, an additional information display menu, and the like are generated, respectively. It is clear that this may be done.

[0095]

As described above, according to the present invention, at the time of reproduction, a user can display a desired reproduction position and can move to the reproduction position by a simple operation. Has the effect that the language can be displayed and the language can be selected by a simple operation.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a disk recording device according to the present invention.

FIG. 2 is an explanatory diagram for explaining menu information.

FIG. 3 is an explanatory diagram illustrating an embodiment of the present invention.

FIG. 4 is an explanatory diagram for explaining menu display during reproduction.

FIG. 5 is an explanatory diagram for explaining menu display during reproduction.

FIG. 6 is an explanatory diagram for explaining menu display during reproduction.

FIG. 7 is a block diagram showing another embodiment of the present invention.

FIG. 8 is a block diagram showing another embodiment of the present invention.

FIG. 9 is a block diagram showing another embodiment of the present invention.

FIG. 10 is an explanatory diagram for explaining the embodiment in FIG. 9;

FIG. 11 is an explanatory diagram for describing the embodiment in FIG. 9;

FIG. 12 is a block diagram showing another embodiment of the present invention.

FIG. 13 is an explanatory diagram for describing the embodiment in FIG. 12;

FIG. 14 is a block diagram showing another embodiment of the present invention.

FIG. 15 is an explanatory diagram for describing the embodiment in FIG. 14;

FIG. 16 is a block diagram showing a conventional disk recording device.

FIG. 17 is a block diagram showing a conventional disk recording device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Antenna, 3 ... Recording device, 4 ... Disk, 2 ... Receiving device, 5 ... Menu information creation device, 6 ... CM detection circuit,
7. Playback information creation device.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5C052 AA03 AB04 AB09 AC08 CC06 CC11 DD04 DD06 5C063 AA20 AB03 AC01 AC05 CA20 CA29 CA36 DA05 DA13 DB10

Claims (8)

[Claims] 1. A receiving means for obtaining a recording stream from inputted program data, a program information obtaining means for obtaining program information related to the program data, and a program information obtaining means for obtaining program information related to the program data. A direct access information creating unit for creating information on a direct access point at the time of reproduction based on at least one piece of information; a menu information creating unit for creating menu information based on the program information and the direct access information; A disk recording apparatus, comprising: recording means for recording data, reproduction information based on the menu information and the direct access information on a disk-shaped medium. 2. The direct access information generating means sets the direct access point at a commercial period included in the program data, a scene change of the program data, or at a predetermined interval.
A disk recording device according to claim 1. 3. The disk recording apparatus according to claim 1, wherein the direct access information creating unit sets a recording start point of the recording unit to the direct access point. 4. The disk recording apparatus according to claim 1, wherein said direct access information creating means sets said direct access point based on a user operation. 5. The disk recording apparatus according to claim 1, wherein the recording unit stops recording the program data during the commercial period. 6. The program information includes information about a language of audio and subtitles included in the program data, and the menu information creating unit includes at least one of information about the language of the audio and subtitles. 2. The disk recording apparatus according to claim 1, wherein menu information is created for. 7. The apparatus according to claim 1, wherein the receiving unit selectively outputs only a stream of a specified language as the recording stream for at least one of audio and subtitles included in the program data. Disk recorder. 8. The menu information creating means includes: main image information for performing a standard display; reproduction information based on the direct access information; and sub-image information for displaying the contents of the program data and the menu information. 2. A menu information comprising highlight information that indicates selection and non-selection of a selection item of the sub-picture information and defines an operation corresponding to the selected selection item is created. Disk recorder.