JP2007089044A - Image apparatus and reproduction information informing method of its apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image apparatus by which a user knows an existence of a non-visual button of a reproduction image and anybody enjoys an image of a bonus title or the like when a recording medium of a DVD video disk or the like recorded in a DVD video form is reproduced. <P>SOLUTION: A highlight display section where the button of the reproduction image of a video disk 1 exists is detected from a reproduction signal of the video disk 1 by a highlight display section detecting means (DVD management information analyzing portion 4), a subpicture is decoded from the reproduction signal by a decoder 7, the button existing in the highlight display section is judged whether it is the non-visual button or not from a state of a decode output of the subpicture of the decoder 7 of the highlight display section and is detected by a button detecting means (DVD management information analyzing portion 4), and the existence of the non-visual button is informed to the user by an informing signal of an informing signal output means (OSD data controlling portion 10). <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a video device having a playback function of a storage medium recorded in a DVD video format and a playback information notification method for the device, and more particularly to notification of a button that cannot be viewed in a playback video.

  Conventionally, various video discs on which movies, music events, and the like are recorded are commercially available as recording media recorded in the DVD video (DVD-Video) format (standard).

  The above-mentioned commercially available video disc is played back by a video device having a DVD video playback function, such as a DVD player or a DVD recorder, and a screen display device such as a liquid crystal display or the like having a built-in playback video such as a movie or a music event. Is displayed.

  At this time, the menu screen and the main part of the content to be reproduced and displayed are software buttons (highlight buttons) for the user (viewer) to select a reproduction condition such as a reproduction language and an angle and determine a title branch. ), The user (viewer) performs a selection / determination key operation of the remote controller in accordance with the appearance of the highlight button, thereby selecting a playback condition, determining a title branch, and the like (for example, Patent Document 1). 2 and 3).

  By the way, the above-mentioned highlight button is, for example, a button that is not displayed in a colorless and transparent manner, that is, a button that cannot be viewed (hereinafter referred to as a hidden button) so as not to disturb the playback image of the menu screen or the main part. In particular, a decision button for branching to a video of a so-called extra title (hidden title) prepared by a content provider is often a hidden button.

Note that the invisible button (hidden button) of the present application is a certain determination button, and not only the above-described colorless and transparent button, but also the color and pattern are the same as or close to the background (background) and become difficult to see. It also includes buttons.
JP 2004-133499 A (paragraphs [0003]-[0006], [0022]-[0027], FIGS. 1 to 4) JP 2004-128761 A (Abstract, paragraphs [0004]-[0006], [0195]-[0228], FIG. 14, FIG. 20 to FIG. 28) JP 2003-319316 A (abstract, paragraphs [0020]-[0052], FIGS. 1 to 5)

  In the case of the conventional video apparatus, since the hidden button is colorless and transparent as described above and is not displayed on the menu screen or the main screen, the user cannot know the existence of the hidden button.

  Only the user who accidentally operates the key on the screen of the hidden button can enjoy the bonus title video and the like, and many users cannot enjoy the bonus title video and the like.

  The present invention enables anyone to enjoy the video of the extra title so that the user can know the existence of the hidden button of the playback video when playing back a recording medium such as a DVD video disc recorded in the DVD video format. The purpose is to be able to.

  In order to achieve the above-described object, the video apparatus of the present invention detects a playback of a highlight display section in which a playback video button of the recording medium exists from a playback signal of the recording medium recorded in the DVD video format. From the state of the right display section detection means, a decoder having a function of decoding and outputting a sub-picture from the playback signal, and the decoding output state of the sub-picture of the decoder in the highlight display section, A button detection means for determining whether or not a button existing in the light display section is a hidden button and detecting the presence of the hidden button, and a notification signal of the presence of the hidden button by detecting the hidden button of the button detection means. And a notification signal output means for outputting. (Claim 1)

  Furthermore, the video device of the present invention is the video device according to claim 1, wherein the highlight display section detecting means determines the button of the playback video of the recording medium from the number of buttons of the highlight information included in the playback signal of the recording medium. The presence / absence of the button is detected, and the reproduction of the highlight display section is detected from the highlight information when the button is present (claim 2).

  The video device according to the present invention is characterized in that, in the video device according to claim 1 or 2, the button detection means detects the presence of a hidden button from the non-output of the sub-picture of the decoder in the highlight display section. (Claim 3).

  Further, in the video device according to any one of claims 1 to 3, the video signal of the notification output means displays the presence of the hidden button on the screen of the playback video on the recording medium. It is a signal (claim 4).

  Next, in the reproduction information notification method of the video apparatus according to the present invention, a highlight display section where a reproduction video button of the recording medium exists is detected from a reproduction signal of the recording medium recorded in the DVD video format, and the decoder performs the above-described Whether or not the button existing in the highlight display section of the playback video is a hidden button based on the decoding output state of the subpicture of the decoder in the highlight display section and outputting the decoded subpicture from the playback signal The presence of the hidden button is detected, and a notification signal indicating the presence of the hidden button is output by the detection (claim 5).

  According to the video apparatus of claim 1, when the highlight display section detecting means detects a highlight display section where a button of the reproduced video is present from the reproduction signal of the recording medium, the decoding output state of the sub-picture of the decoder Based on the above, it is determined whether or not the button detection means is a hidden button, and the presence of the hidden button is detected.

  When the presence of the hidden button is detected, the notification signal output means outputs a notification signal of the presence of the hidden button, and the user can easily know the presence of the hidden button of the reproduced video by the notification signal. You can enjoy images of bonus titles.

  According to the video device of the second aspect, the presence / absence of the reproduced video button on the recording medium is determined from the number of DVD video highlight information buttons included in the reproduced signal of the recording medium by the highlight display section detecting means. When the number of buttons is not 0 and there is a button, it is possible to detect the highlight display section where the button exists from the highlight information, and record from the highlight information included in the DVD video management information. It is possible to easily detect the reproduction of the highlight display section where the reproduction video button of the medium exists.

  According to the video device of claim 3, it is noted that if the hidden button is a colorless and transparent button, the decoder does not decode and output the sub-picture, and the button detection means detects the absence of the sub-picture of the decoder in the highlight display section. Since the presence of the hidden button is detected from the output, it is possible to reliably detect the presence of the colorless and transparent hidden button with a configuration with a small processing load based on the presence or absence of the sub-picture output of the decoder (the presence or absence of a signal).

  According to the video device of the fourth aspect, the presence of the hidden button can be displayed on the screen of the playback video of the recording medium by the notification signal of the notification output means, and the presence of the hidden button is displayed to the user who is watching the screen. Can be reliably notified.

  According to the reproduction information notification method of the video device according to claim 5, when the highlight display section where the button exists is detected from the reproduction signal of the recording medium, the hidden button is based on the decoding output state of the sub-picture of the decoder. Can detect the presence of a hidden button and output a notification signal of the presence of a hidden button to notify the user of the presence of the hidden button, so that everyone can know the presence of the hidden button in the playback video and enjoy the video of the bonus title, etc. be able to.

  Next, in order to describe the present invention in more detail, an embodiment thereof will be described in detail with reference to FIGS.

  FIG. 1 is a block diagram showing a circuit configuration of an example of a video apparatus according to the present invention, and FIG. 2 is a flowchart for explaining operations.

  The video apparatus in FIG. 1 is a DVD player or DVD recorder having a DVD video playback function, and a playback target video disk 1 as a recording medium is a commercially available video or music event recorded in the DVD video format, for example. It is a video disc.

  Then, when the playback key of the operation unit 2 is pressed to enter the playback state, the record of the rotating video disc 1 on the turntable is read by the optical pickup as in the known DVD player and DVD recorder, and obtained by this reading. Digital signal processing of the playback signal of the video disc 1 from time to time is performed to reproduce the digital signal of the recorded information. Send to control unit 5. The system control unit 3, the DVD management information analysis unit 4, the DVD playback control unit 5, the sub-picture decode data monitoring unit 9, the OSD data control unit 10 and the like which will be described later may be formed by hardware circuits. In the form, it consists of a microcomputer, and each is realized by software processing.

  Here, the recording information of the video disc 1 will be described. The video disc 1 is recorded with video and audio data of DVD video in a hierarchical structure format based on the well-known DVD video (DVD-Video) standard. Specifically, an area having a file format structure of, for example, UDF (Universal Disk Format) is provided between the lead-in area and the lead-out area of the video disc 1, and this area has a plurality of title files. DVD video standard application data is stored in each title file. Each application data controls presentation data such as main picture (main video) and audio data compressed by a predetermined compression method (MPEG2), sub-picture (sub-picture) data subjected to run length compression, and playback of the presentation. Navigation data as DVD video management information.

  More specifically, one video manager and each video title set are recorded on the DVD video disc, and the video manager includes control information about the entire DVD video, contents of a title selection menu, and the like. Control information, content, and the like. Also, video manager information of the video manager, video title set information of each video title set, playback control information (PCI: Presentation Control Information) distributed to each video title set, and data search information (DSI: Data Search Information). Configure navigation data.

  The video manager information includes various information management tables, attribute information tables, address maps, and the like. For example, the video title set information management table includes the number of audio streams, the number of sub-picture streams in the video title set menu, and the subtitles of the video title set. The number of picture streams and the like are recorded.

  By the way, reproduction of each presentation is controlled by program chain information of each program chain, and the program chain information is distributed and described as video navigation information or the like as one piece of navigation data.

  A program in each program chain is composed of one or more cells, and each cell is composed of a plurality of video object units. Each video object unit includes one navigation pack, a plurality of video packs, audio packs, and sub-picture packs. Navigation packs hold navigation data, each video pack holds video (movie) data, each audio pack holds audio data, and each sub-picture pack contains sub-picture video (mainly (Still picture) data is held, and a sub-picture unit described later is formed by a plurality of sub-picture packs.

  Next, the above-mentioned reproduction control information PCI of the navigation data includes highlight information HLI for button display control of the menu and the main part. The highlight information HLI includes highlight general information HL_GN, a button color information table BTN_COLOR, and a button information table BTNIT. Including.

  The highlight general information HL_GN receives the number of buttons BTN_NS that are present on the display screen effectively, the number of operable buttons NSL_BTN_Ns, the start period HLI_S_PTM, the end HLI_E_PTM, and the button operation of the valid period (decode period) of the highlight information HLI It has information such as the end of period BTN_SL_E_PTM, the button group attribute BTN_MD, and the attribute information of the highlight general information HL_GN, (a) the position of the highlight button on the playback screen, (b) the selected color and action color, ( c) Four commands are defined: one command (option), (d) up, down, left, and right adjacent buttons.

  In addition, the button color information table BTN_COLOR describes a display color and contrast definition palette of buttons of each group, and the button information table BTNIT describes position information at the time of selection / determination of each button and a button command to be executed. In the DVD video standard, a maximum of three types of button sets are defined as button groups and can be switched and displayed. The button color information table BTN_COLLIT has a palette of up to three sets (groups) based on a lookup table. Selected and described. Also, the actual selection color / contrast and action color / contrast are defined for each pixel type in each entry of the table.

  Then, the highlight button is superimposed on the reproduced video in accordance with the above-described four definition information (a) to (d) of the highlight general information HL_GN, so that the highlight button is set under the conditions set on the reproduced video screen. Is displayed.

  In order to perform the necessary reproduction processing by separating each recording information having the above-described structure from the above-described reproduction digital signal of the video disc, the DVD reproduction control unit 5 in FIG. The navigation data such as the bit stream of the main picture, audio, and sub picture of the presentation data and the highlight information HLI of the navigation data are separated and extracted from the signal, and the navigation data is output to the DVD management information analyzing unit 4.

  Further, the DVD management information analysis unit 4 analyzes the video manager information, video title set information, reproduction control information PCI, data search information DSI, etc. of the navigation data, and DVD navigation control is performed based on the analysis result of the DVD management information analysis unit 4. Unit 6 executes a navigation command.

  Based on the execution result of the navigation command and the selection / determination of the operation unit 2, the bit stream of the main picture, audio, and sub-picture of each title is sent from the DVD reproduction control unit 5 to the decoder 7 in accordance with the presentation reproduction sequence. .

  The decoder 7 is formed by a decoder IC having a main picture / audio decoding function and a sub picture decoding function to form the decoder of the present invention. The decoder 7 outputs the input main picture, audio and sub picture decoding output digital signals as A / V output to output unit 8

  The A / V output unit 8 converts the decoded output of the main picture and sub-picture into an analog or digital video signal, converts the audio digital signal into an analog audio signal, etc., for example, a built-in liquid crystal display device and The video and audio of the video disc 1 are reproduced by supplying to the speaker.

  On the other hand, the sub picture decode data monitoring unit 9 monitors the decode output state of the sub picture of the decoder 7. Specifically, for example, the monitor output of the decoder 7 whose level changes depending on the presence / absence of the decode output of the sub picture is used, and the sub picture decode data monitoring unit 9 monitors the presence / absence of the decode output of the sub picture from the change of the monitor output level. To do.

  Further, the monitoring result of the sub-picture decode data monitoring unit 9 is supplied to the DVD management information analysis unit 4, and the DVD management information analysis unit 4 detects the presence or absence of a hidden button from the monitoring result of the sub-picture decode data monitoring unit 9. .

  That is, the DVD management information analysis unit 4 not only includes means for analyzing the navigation data reproduced from the video disc 1, but also a program for the hidden button notification process in steps S1 to S4 in FIG. By repeatedly executing the above, a highlight display section detecting means and a button detecting means described below are also provided.

  The highlight display section detection means is means for detecting the playback of the highlight display section where the playback video button of the video disk 1 is present from the playback signal of the video disk 1, specifically, the playback signal of the video disk 1. The presence / absence of a button for a playback video on the video disc 1 is detected based on whether or not the number of buttons BTN_NS of the above-described highlight information HLI included in the video information is 1 or more (in other words, 0) (step S1). The start HLI_S_PTM and the end HLI_E_PTM of the valid period (reproduction period) of the highlight information HLI when the button is present are confirmed, and the reproduction (decode) of the highlight display section is detected during the valid period of the highlight information HLI ( Step S2).

  The button detecting means detects the presence of the hidden button by determining whether or not the button existing in the highlight display section is a hidden button from the decoded output state of the sub picture of the decoder 7 that is reproducing the highlight display section. More specifically, the highlight display section detection means operates when the highlight information section detects the reproduction of the highlight display section from the highlight information HLI, and from the monitor output level of the sub picture of the decoder 7 to the highlight display section. It is confirmed whether or not the sub-picture of the existing highlight button is actually decoded and output. If the sub-picture is not decoded and output from the decoder 7, the highlight button is colorless and transparent. The presence of a hidden button on the picture playback screen is detected (step S3).

  When the presence of the hidden button is detected, in the present embodiment, the presence of the hidden button is displayed on the on-screen display (OSD) to alert the user. The OSD data control unit 10 serving as the notification signal output means is instructed to detect the presence of the hidden button via the OSD data control unit 10 and the OSD data control unit 10 jumps to another title when the “Determination button is pressed down” is prepared, for example. A hidden button presence detection notification message or an OSD display signal such as an icon indicating the detection of the hidden button (a hidden button presence notification signal) is generated, and the liquid crystal display is displayed via the OSD output unit 11. Supply to the device, etc., and display the above detection notification message, icon, etc. on the playback screen of the hidden button to watch the screen To the user, the notification so as to be easily noticed the presence of a hidden button (notice) Note arouse (step S4).

  Therefore, anyone can easily know the presence of the hidden button from the above-described hidden button presence detection notification message or the screen display of the icon indicating the detection of the hidden button. By doing this, anyone can enjoy the extra title video prepared by the content provider.

  The present invention is not limited to the above-described embodiment, and various modifications other than those described above can be made without departing from the spirit of the present invention. In addition to the colorless and transparent hidden button, the presence of a hidden button whose color or pattern is the same as or close to the background (background) and is difficult to see is detected and reported. It may be. Further, when the decoder does not have a monitor output indicating the output state of the sub picture, the decoder output state may be directly detected from the output level of the sub picture of the decoder by the button detecting means.

  Next, in the above-described embodiment, the OSD data control unit 10 as the notification signal output unit is provided, and the presence of the hidden button is displayed on the OSD to notify the presence of the hidden button. It may be notified by a method other than display, for example, it may be notified by an alarm sound or a message voice output from a speaker or the like, and the presence of a hidden button is notified by various methods appealing to the user's vision or hearing. Of course it is good.

  Next, the circuit configuration inside the apparatus and the shape and structure of the recording medium are not limited to those of the above-described embodiment. For example, the recording medium may be a hard disk, a large-capacity solid-state memory, It may be a tape. In addition, the present invention can be similarly applied even when the DVD video format is different from the above-described embodiment due to version upgrade or the like.

  The present invention can be applied to detection / notification of the presence of a hidden button during playback of a video apparatus that plays back various recording media recorded in the DVD video format.

1 is a block diagram of a circuit configuration of a video apparatus according to an embodiment of the present invention. It is a flowchart of the hidden button alerting | reporting process of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Video disk 4 DVD management information analysis part 7 Decoder 9 Sub picture decoding data monitoring part 10 OSD data control part

Claims (5)

  Highlight display section detecting means for detecting a highlight display section in which a button of a playback video of the recording medium exists from a playback signal of the recording medium recorded in the DVD video format, and decoding and outputting a sub-picture from the playback signal And determining whether or not the button existing in the highlight display section of the reproduced video is a button that cannot be viewed from the decoder output state of the sub-picture of the decoder in the highlight display section A button detecting means for detecting the presence of the invisible button; and a notification signal output means for outputting a notification signal for the presence of the invisible button by detecting the invisible button of the button detecting means. Video equipment.   The highlight display section detecting means detects the presence / absence of a button of the playback video of the recording medium from the number of buttons of the highlight information included in the playback signal of the recording medium, and the highlight information when the button exists The video apparatus according to claim 1, wherein reproduction of a highlight display section is detected.   3. The video apparatus according to claim 1, wherein the button detecting unit detects the presence of a button that cannot be seen from the non-output of the sub picture in the highlight display section of the decoder.   4. The video apparatus according to claim 1, wherein the notification signal of the notification output means is a signal for displaying the presence of an invisible button on a screen of a reproduced video on a recording medium.   A highlight display section in which a button of a playback video of the recording medium exists is detected from the playback signal of the recording medium recorded in the DVD video format, a sub-picture is decoded from the playback signal by a decoder, and the highlight is displayed. From the decoding output state of the sub-picture of the decoder in the display section, it is determined whether or not the button present in the highlight display section of the reproduced video is a button that cannot be seen, and the presence of the button that cannot be seen is detected. A reproduction information notification method for a video apparatus, comprising: outputting a notification signal indicating the presence of the invisible button by the detection.

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