JPH0818922A - Information reproducing device - Google Patents

Abstract

PURPOSE:To allow the user to recognize contents of plural dynamic image sequences at once by extracting part of the plural dynamic image sequences as a still image and displaying the image on each of plural divisions of a display screen. CONSTITUTION:When a disk digest button 111 is depressed during stop, for example, a track number for 9 tracks is displayed on one TV screen and a first scene of a track corresponding to each track number is displayed sequentially as a divided image pattern. Furthermore, the initial scene of the track in the case of disk digest is a scene after nearly 4 seconds from a head of the track. When a desired track number is selected by a numeral button 124 of a remote controller 100 while the initial scene of the 9 tracks is displayed or displayed sequentially, the track of the selected track number is reproduced (that is, a dynamic image corresponding to the track or the like is reproduced).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a CD which is a read-only memory using, for example, a so-called compact disc.
-ROM and CD-I (CD-Interactive: CD-I
The present invention relates to an information reproducing apparatus for reproducing information provided from an information recording medium such as an nteractive).

[0002]

2. Description of the Related Art Conventionally, as an information recording medium, for example, there is a so-called compact disc (that is, CD-DA: compact disc digital audio) in which an audio signal is recorded on an optical disc.

However, in the CD-DA (hereinafter referred to as an audio CD) for recording only the audio signal, only the data of the sound is divided and recorded in a unit called a track, so that, for example, a program for controlling the reproduction function is recorded. You cannot put a script or script.

Also, the reproduction order is merely linear reproduction or reproduction in the order instructed by the user, and there is no freedom even if the content supplier wants to reproduce in various other orders.

On the other hand, the so-called CD-I (CD-
Interactive: CD-Interactive) allows you to handle sounds, movies, and still images as data files.

[0006]

By the way, in the case where a plurality of moving picture sequences are recorded on the disc which can handle the above-mentioned sounds, moving pictures and still pictures as a data file, the user knows the contents of each moving picture sequence. It is very troublesome to play each video.

Therefore, the present invention has been proposed in view of the above situation, and information from which a user can easily know the contents of each moving image sequence from a disc on which a plurality of moving image sequences are recorded. It is intended to provide a reproducing device.

[0008]

DISCLOSURE OF THE INVENTION The present invention has been proposed in order to achieve the above-mentioned object, and an image is reproduced in an information reproducing apparatus for reproducing an information recording medium in which a plurality of moving image sequences are recorded. Display means for displaying on the display screen and reproduction control means for dividing the display screen of the display means into a plurality of parts, taking out a part of a plurality of moving image sequences as still images, and displaying each on the display screen divided into the plurality of parts. And a selection means for selecting a still image displayed on the display screen divided into a plurality of pieces, and the reproduction control means performs reproduction of a moving image sequence according to the selection of the selection means. It is a feature.

Here, the reproduction control means takes out a part of a plurality of moving image sequences recorded on the plurality of information recording media as a still image and displays the still image on each of the plurality of divided display screens. Further, the information reproducing apparatus of the present invention also has audio generating means for generating audio, and audio information related to each moving picture sequence is also recorded on the information recording medium, and the reproducing control means operates from the moving picture sequence. The audio information for a predetermined time corresponding to the extracted still image may be sent to the audio generating means. Further, a part of the moving image sequence extracted as the still image is a predetermined second after the beginning of the moving image sequence. The still image extracted from the moving image sequence at this time is a complete image that is not affected by other images in the moving image sequence, and the predetermined second is approximately 4 seconds from the beginning. Further, the division of the display screen and the display of the still image are performed over a plurality of display screens.

[0010]

According to the present invention, by extracting a part of a plurality of moving picture sequences as a still image and displaying each on a display screen divided into a plurality of parts, the user can know the contents of the plurality of moving picture sequences at once. it can.

Further, according to the present invention, even when there are a plurality of information recording media, a user extracts a part of the moving image sequence of each information recording media as a still image and divides and displays the still image so that the user can operate the plurality of information recording media. You can know the contents at once.

[0012] Further, the user can easily understand the contents by reproducing a part of the still image of the moving picture sequence and the sound related to the moving picture sequence.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows the main body 1 of the information reproducing apparatus of this embodiment.
2 is the front side of the main body 150 in FIG.
Shows the front of the so-called remote controller 100.

The information reproducing apparatus of this embodiment is a player for reproducing a video CD in which a video signal and an audio signal such as a compression-encoded moving image which will be described later are recorded on a so-called compact disc, and is an EIA standard, NTSC. Handles color signals. In FIG. 1, on the front surface of the main body 150 of the information reproducing apparatus, a “power” button 151 and a “play mode” button 1 will be described, although their functions will be described later.
52, "Forward" button 153 and "Next" button 1
54, "Pause" button 155, "Stop" button 1
56, "Play" button 1 having a function as a selection means
68, a "+" button 165 which is the first number setting means, a "-" button 166 which is the second number setting means, a "return" button 164, an "eject" button 163 for opening / closing the disc tray, etc. Various operation buttons of,
Display window 169 and disk table insertion / ejection port 15
8, a headphone connection terminal 157, a headphone level adjusting volume 159, and an echo adjusting volume 1
60, a volume control volume 161, and a microphone connection terminal 162 are arranged.

Further, in FIG. 2, on the rear surface of the main body 150 of the information reproducing apparatus, an S video output terminal 170, a line video output terminal 171, a line audio left channel output terminal 172, and a line audio right channel output terminal 173. And a power cord 174 are also arranged.

Further, referring to FIG.
Is for transmitting signals by infrared pulses,
Although the functions will be described later on the front surface of the remote controller 100, “open / close” for instructing opening / closing of the disc tray is performed.
"Close" button 102, "Power" button 103, "Auto"
Button 104, "Continuous" button 105, "Shuffle"
Button 106, “program” button 107, “screen display” button 108, “time display” button 109, “track digest” button 110, “disk digest” button 111, “bookmark setting” button 112,
"Bookmark play" button 113, "frame advance" button 11
4, "Continue playback" button 115, "Fast forward" button 1
16, "Rewind" button 117, "Next" button 11
8, "Forward" button 119, "Return" button 12
0, a “play (select)” button 121, a “pause” button 122, a “stop” button 123, numeric buttons 124 including “1” to “9” and “10/0”, “> 10” buttons, and “V”. “Index” button 125, “scene” button 126, “V. index search” button 127, “karaoke” button 129, “voice monitor”
Button 130, "intro scan" button 131,
"Pitch" button 132, "Pitch +" button 133,
"Pitch-" button 134, "check" button 13
5, "Clear" button 136, "Repeat" button 13
7, a “repeat AB” button 138, an “auto pause” button 139, and the like are arranged.

Hereinafter, the main body 15 of the information reproducing apparatus of the present embodiment.
0 and the functions of the remote controller 100 will be described. First, terms used in the following description will be briefly described.

The video CD is a so-called compact disc which is a video medium in which not only audio but also digitally processed moving image and the like are recorded. In addition to moving images, still images and menu screens can be played back on a video CD on which a playback control code to be described later is recorded. In addition, the video CD used in this embodiment
Can record a maximum of about 74 minutes of moving images and a maximum of about 2000 still images.

Further, the division of the video or music recorded on the disc is called a track, and the numbers sequentially assigned to the respective tracks are called a track number.

The index number is 1 of the video CD.
It is the number given to the scene that separates two tracks. A minimum of one index and a maximum of 99 indexes are recorded in one track. Therefore, the index number 1 is at the beginning of the track. You can search for the desired scene by specifying the index number, or you can search for the scene you want to actually watch while sequentially viewing the index scenes on the television screen (index search function).

Playback control (PBC) is a control code recorded on a video CD in advance. With a video CD on which a code for playback control is recorded, it is possible to select a scene to be viewed on the menu screen or play a still image.

The automatic reproduction is a reproduction mode for a video CD in which a playback control code is recorded. When the video CD on which the playback control code is recorded is loaded into the player (information reproducing device), the automatic reproduction mode is automatically set. With auto play, you can select the scene you want to see on the menu screen and play still images.

The continuous reproduction mode is a mode in which reproduction is continuously performed from the first track (break of video or music) in the order recorded on the disc. Playback ·
When a video CD other than the video CD on which the control code is recorded is loaded in the player, the continuous playback mode is automatically set. A video CD on which a playback control code is recorded can also be played back in the continuous playback mode, but only the moving image and the sound are played back. The video CD that contains the playback control code contains images that cannot be played continuously (still images, menu images, and part of movies), and these are not treated as tracks. Not included in.

In a video CD on which a playback control code is recorded, a menu screen, a moving image, or a still image is called a scene, and a scene number is recorded in each scene. Depending on the disc,
Some jackets have scene numbers written on them.
Searching for a desired scene by specifying the scene number is called scene playback.

The bookmark reproduction means to start the reproduction from a scene designated in advance such that the book is opened and read from the page sandwiching the bookmark. Bookmark playback starts from the beginning of the specified scene. It's used when you want to look at another place and go back again, or when you want to see another disc and then see the continuation of the previous disc.

Hereinafter, the display example of the television screen on which the image reproduced from the video CD is displayed by the information reproducing apparatus of this embodiment and the display is controlled (FIGS. 4 to 2)
The functions of the main body 150 of the information reproducing apparatus and the remote controller 100 will be described with reference to 2).

First, in the display window 169 when the power is turned on, "VIDEO CD" is loaded when a video CD is loaded, and "VIDEO CD PBC" is loaded when a disc on which a playback control code is recorded is loaded. If not, "no disc" is displayed. Immediately after the disc is loaded, the disc type is discriminated, and the display blinks to indicate that the disc is being discriminated. Buttons cannot be operated while this display is blinking. Further, although the number of discs that can be loaded is usually one, a plurality of discs can be loaded when the disc has a changer function described later. In addition, the disc table can be closed by pushing it by hand. Instead of pushing the "power" button 151, the disc table is automatically turned on when the "open / close" button 102 or the "eject" button 163 is pushed. Opens.

Next, when selecting a menu, "SELECT" is displayed on the television screen as shown in FIG.
Is displayed and this character flashes. Also,
The menu selection lamp 167 of the main body 150 also blinks. At this time, when the "Return" button 120 of the remote controller 100 is pressed, the characters "RETURN" are displayed on the television screen, the screen returns to the previous menu screen, etc., and when the "Stop" button 123 is pressed, the characters "STOP" are displayed. Is displayed and playback is stopped.

Here, on the television screen, "SEL
"ECT" is displayed and the menu selection lamp 167 is displayed.
When in the menu selection mode, where
A menu number is designated by the number buttons 00 of 00. For example, if the user presses the "1" button with the number buttons 124 of the remote controller 100 to specify the menu number 1, as shown in FIG.
The number "1" is displayed below "SELECT". To specify a menu number of 11 or more with the remote controller 100, press the ">10" button of the number buttons 124 and then press the number buttons of "1" to "9". For example, when specifying menu number 15, ">10" →
To specify the menu number 20 by pressing the number buttons in the order of "1" → "5", ">10" → "2" → "10 /
The number buttons will be pressed in the order of "0". If you mistakenly press the ">10" button, ">1" will be displayed again.
Press the "0" button. The selection or designation input by the numeric button 124 is performed by the numeric button 12 in each function described later.
The same is done when 4 is used.

Next, the function of the information reproducing apparatus of this embodiment when actually reproducing a disc will be described.

First, the apparatus of this embodiment has the function of continuous reproduction. The continuous playback function is a function that allows the playback to be continued after the playback is stopped. The playback position at which the subsequent playback is performed is changed each time the "stop" button 113 of the remote controller 100 or the "stop" button 156 of the main body 150 is pressed, and this position is stored even when the power is turned off.

When the "continue reproduction" button 115 is pressed, as shown in FIG. 5, a message "MEMORY PLA" is displayed on the television screen as an indication of the continuation reproduction.
The letter "Y" is displayed. "Continue playback" button 1
Pressing 15 will start playback from where it left off. However, in the automatic reproduction, the reproduction is started not from the stopped scene but from the beginning of the stopped scene. Also,
During shuffle reproduction, program reproduction, 1-track repeated reproduction, and repeated AB reproduction, continuous reproduction is not performed. When the disc table is opened, the continuation reproduction is canceled and the storage of the continuation reproduction position is erased. When the power is turned off without pressing any button during reproduction, the “power” button 103 of the remote controller 100 or the “power” button 15 of the main body 150 is used to turn off the power.
The place where 1 is pressed is subsequently stored as the playback position.

Next, the apparatus according to the present embodiment is capable of viewing images in the fast-forward and fast-reverse states and listening to songs. For example, while the "fast forward" button 116 or the "fast reverse" button 117 is being pressed during reproduction, fast forward or fast reverse is performed. If you continue to press the "fast forward" button 116, fast forward will be performed while displaying a still image at an accelerating interval, and if you continue to press the "fast rewind" button 117, it will be fast rewinding while displaying a still image at an accelerating interval. . However, during auto play, fast forward / fast rewind can be performed within one section. One division in this case may be a scene, but may be divided in the middle of the scene. Also, in the still image menu screen, fast forward / fast reverse cannot be performed.

Next, the apparatus of this embodiment has a function of once stopping (pausing) the reproduction and temporarily stopping the video and audio being reproduced. For example, when the "pause" button 122 is pressed, the pause is made and the screen at that time is continuously displayed as a still image. After that, to return to the normal reproduction, the “pause” button 122 or the “reproduction” button 121 is pressed. However,
If you continue to pause for a long time (for example, about 5 minutes),
The rotation of the disk is stopped to prevent deterioration of the device, and therefore, when the normal reproduction is resumed, it takes several seconds before the reproduction starts. Also, no sound is played while the video is paused.

The apparatus of this embodiment has a frame-by-frame moving function for moving images. For example, if the "frame advance" button 114 is pressed during reproduction, the frame of the moving image is advanced. In addition, each time the "frame advance" button 114 is pressed, the frame advances by one frame, and if the button is continuously pressed, frame advance is continuously performed, and when the pressing is stopped (the finger is released), the state is temporarily stopped. To return to normal playback,
Press the “pause” button 122 or the “play” button 121. However, frame playback is not performed when a still image of a video CD or an audio CD is being reproduced.

The apparatus of this embodiment also has a voice switching function. For example, it is possible to listen to only one audio channel of a disc on which stereo audio is recorded, or select an arbitrary audio from an audio multiplex disc. At this time, the voice is switched by pressing the "voice monitor" button 130. This "voice monitor" button 13
Each time 0 is pressed, the mode switches as follows.

For example, in the case of a disc on which stereo sound is recorded, switching is performed in the order of stereo 2 channel → left channel → right channel → stereo 2 channel.

Further, in the case of a voice-multiplexed disc, switching is made in the order of main (left) and sub (right) → main (left) → sub (right) → main (left) and sub (right). At this time, the display of the television screen and the display window 169 of the main body 150 is "LR".
->"MONOL"->"MONOR"->"LR".

Even if the disc is replaced, the set voice mode is stored. However, when the power is turned off, it returns to stereo mode. Moreover, no matter which voice is selected, the sound is output from the left and right speakers.

Next, according to the apparatus of this embodiment, it is possible to display the current operating state and information of the disc on the television screen by superimposing it on the image. The information is displayed, for example, on a blue television screen when stopped or when an audio CD is played. The displayed contents differ between auto play and continuous play other than auto play.

As for the display during the automatic reproduction, as shown in FIG. 6, when the power is turned on, the current state is displayed, for example, in the upper right corner of the screen with a blue background. For example, during playback, "P
The characters "LAY" are displayed. However, this display disappears after a few seconds. Note that the "play (select)" button 121
And "Return" button 120 and "Forward" button 119
Alternatively, when the "next feed" button 118 cannot be pressed for operation, for example, a human hand mark is displayed, which allows the user to know that the operation cannot be performed.

When the "display screen" button 108 is pressed, a display showing the type of disc is displayed on the television screen as shown in FIG. 7 (for example, "V" for a video CD).
"IDEO") and the display of the elapsed time for each scene or each break in the scene (for example, "0:49" for 49 seconds)
, A display showing the state of the audio monitor (for example, “LR” in the case of stereo), and a disc recording time display (for example, 3
"31:32" at 1 minute 32 seconds, and display of the number of tracks on the disc (for example, "1-1 at 14 tracks"
4 ”), a display of the currently playing scene number (for example,“ SCENE 1 ”for the first scene), an automatic playback display (for example“ AUTO ”), and a display of the set contents ( For example, “A-B REPEAT”) or the like is displayed during repeated A-B reproduction. In addition,
The elapsed time for each scene or break in a scene is displayed for scenes / breaks of about 2 seconds or more, and is not displayed for some still images.

After that, when the "display screen" button 108 is pressed once again, the entire display of the screen disappears. Nothing is displayed when either operation is performed. Furthermore, "screen display"
When the button 108 is pressed, the screen display when the power is turned on is restored.

Next, the display of the television screen when performing continuous reproduction is as follows.

When the television screen is displayed (the letters "PLAY" disappear after a few seconds) as shown in FIG. 6 after the power is turned on, for example, when the "display screen" button 108 is pressed, the screen is displayed on the television screen. As shown in FIG. 8A, the elapsed time for each track is displayed (for example, "0:47" is displayed at 47 seconds) and the current index number is displayed (for example, "I- 1 ”) and the display of the current track number (for example,“ T-
2 ”).

Here, the "display screen" button 10 is displayed again.
When 8 is pressed, on the TV screen, together with the previous display, as shown in FIG. 8B, a display showing the disc type (for example, “VIDEO” for a video CD) and the number of disc tracks are displayed. Display (for example, "1-14" for 14 tracks), recording time of the disc (for example, "51:25" for 51 minutes and 25 seconds), and display for indicating the state of the audio monitor (for example, stereo). "LR" when
And a display of the play mode (for example, "SHUFFLE" for shuffle reproduction) and a display of the set contents (for example, "A.PAUSE" for auto pause, "K.PON" for karaoke). , A track number is displayed (for example, “*”, “2” to “14”, but a track that has been reproduced is displayed as “*” ”).
Note that during continuous playback, nothing is displayed in the play mode display portion.

Further, when the "display screen" button 108 is pressed again, all the screen displays disappear during the reproduction of the video CD, and nothing is displayed regardless of which operation is performed. Also, when playing an audio CD, the screen display is restored when the power is turned on, and not all the displays disappear.

When the "display screen" button 108 is pressed again, the screen is returned to the screen display when the power was turned on during playback of the video CD.

Next, the apparatus of this embodiment can change the time display displayed on the television screen. When the TV screen is set to the screen that displays time,
The display is as follows.

For example, the time display during auto play is
As shown in FIG. 9A, a display showing the elapsed time of the scene / break being reproduced (for example, "2:13" at 2 minutes 13 seconds) is displayed on the television screen. At this time, when the "time display" button 109 of the remote controller 100 is pressed, a display showing the remaining time of the scene / break being reproduced (for example, the remaining time is 2 on the television screen as shown in FIG. 9B). If the time is 33 seconds, "-2: 33") is performed. Further, when the "time display" button 109 is pressed again, the display returns to the initial time display state shown in FIG.

During continuous reproduction, as shown in FIG. 10A, a display showing the elapsed time of the track being reproduced is displayed on the television screen (for example, "2:13" for 2 minutes 13 seconds). ) Is done. At this time, "time display"
When the button 109 is pressed, as shown in FIG.
Display the remaining time of the track being played (for example, the remaining time is 2
When the time is 33 seconds, "-2: 33") is performed. Further, when the "time display" button 109 is pressed, as shown in FIG. 10C, the remaining number of tracks is displayed on the television screen (for example, when there are 13 tracks, "-1" is displayed.
3 ”) and the remaining time of the entire disc (for example, 45
When the time is 24 seconds, "-45: 24") is displayed.
When the "time display" button 109 is pressed again, the state returns to the initial time display state shown in FIG.

Next, in the apparatus of the present embodiment, there are various methods as follows for searching for a desired scene in the video recorded on the disc.

For example, a desired track can be reproduced by designating a track number indicating a number for each video or music segment. In this case, a desired track number is pressed by the number buttons 124 of the remote controller 100, for example, during stop or reproduction. As a result, the reproduction of the track having the track number designated by the number button 124 is started. Note that in the automatic reproduction, the track number can be specified only during stop, and when the reproduction is started by specifying the track number, the mode is switched to the continuous reproduction mode. To return to the automatic reproduction, press the "auto reproduction" button 104 in the play mode.

Further, in the apparatus of this embodiment, a desired scene can be searched for by locating tracks / breaks.

For example, at the time of continuous reproduction, it returns to the beginning of the track or advances to the next track. To find the beginning of a track, do the following. For example, this is done by pressing the "forward" button 119 or the "next" button 118 during playback. Pressing the "forward" button 119 once returns to the beginning of the track currently being played, and pressing it continuously returns to the beginning of the previous track. When the "next feed" button 118 is pressed, each time the button is pressed, it advances to the beginning of the next track.

Further, if the section is cueed during the automatic reproduction, for example, the unit returns to the previous unit or advances to the next unit. One division in this case may be a scene, but may be divided in the middle of the scene. Specifically, if the "forward" button 119 is pressed during reproduction, the previous division is returned to, and if the "next feed" button 118 is pressed, the next division is started.

Further, in the apparatus of this embodiment, it is possible to perform an intro scan in which only the beginning of the track is reproduced in order. That is, by reproducing only the beginning part of each track in order, the desired track can be searched for while watching or listening to the beginning of the video or song. Further, in the apparatus of this embodiment, the length of the portion reproduced by the intro scan can be changed.

For example, when the "introscan" button 131 is pressed once during stop, the introscan mode is 10 seconds for each, 20 seconds each for two consecutive presses, and 30 seconds each for three consecutive presses. . The television screen in this case is an introscan display "I" as shown in FIG.
"NTROSCAN" is displayed (for example, "10" when the time is 10 seconds), which is the time when the intro scan is performed. 1 in this introscan mode
The first part from the second track is played in order, and when all the playback is finished, the playback is stopped. It should be noted that, in the automatic reproduction, the mode is switched to the continuous reproduction mode when the intro scan is started. To return to the automatic reproduction at the time of intro scan, press the "auto" button 104 while stopped. Further, the "play" button 121 is pressed to normally reproduce the track being intro-scanned, and the "stop" button 123 is pressed to stop the intro-scan midway. Further, intro scan during shuffle reproduction or program reproduction is performed in the order of shuffle or program.

Next, the apparatus of this embodiment also has a digest scan function of viewing several scenes on a television screen at the same time.

According to this digest scan function,
For example, the first scene of tracks (moving images) recorded on a disc is displayed on one screen for 9 tracks (disc digest function), or the scene where one track is divided into 9 is displayed on one screen (track digest function) You can do it. According to these features,
You can search for the track or scene you want to play back while watching multiple still images displayed on one screen. further,
In the disk digest function and track digest function of the digest scan function, in the multi-volume disk digest function described later, while displaying each still image, it is possible to generate a sound corresponding to the still image for a certain period of time, This allows the user to surely understand the content of the still image.

Here, in the video CD, so-called MPEG video and audio tracks of moving pictures are arranged after the second track of the physical tracks, and a different moving picture sequence is arranged for each track. Therefore,
Disc digest is a part of a video sequence of several tracks that is displayed as a still image on the screen at one time.
It allows you to see the contents of each track at once,
The corresponding sequence number (track number) on the screen
Is displayed, and when that number is selected, the movie sequence is played back. The detailed operation of the disc digest will be described later with reference to FIG.

In the apparatus of this embodiment, 9 tracks (moving image sequence) are displayed at a time by using the high resolution mode, but small characters are displayed in an easy-to-see manner.
It is displayed after the page. It should be noted that what has been set to 9 tracks is the maximum number that is allowed when the memory currently provided in the device is fully utilized. Also,
The portion of the moving image sequence to be displayed displays an intra image 4 seconds or later from the beginning. This is because a video CD on which a so-called karaoke moving image or the like is recorded often superimposes the title of the image, for example, about 4 seconds after the beginning.

First, of the digest scan functions, the function of the above-mentioned disk digest for viewing the first scene of a plurality of tracks is as follows. For example, when the “disc digest” button 111 is pressed during stop, the television screen displays track numbers for 9 tracks in one screen as shown in FIG. 12, and tracks corresponding to the track numbers are displayed. The first scene of is displayed in order as a split screen. The beginning scene of the track at the time of this disc digest is the scene about 4 seconds after the beginning of the track. If the desired track number is selected with the number buttons 124 of the remote controller 100 while the first scene of the 9 tracks is displayed as shown in FIG. 12 or during the sequential display, the selection is made. The track with the track number is reproduced (that is, the moving image or the like corresponding to the track is reproduced).

However, when there are 10 or more tracks on the disc, the mark "→" is displayed blinking on the television screen, and the "next feed" button 118 is pressed to display the tenth track and thereafter. As a result, the first scene of each of the tenth track and thereafter is sequentially displayed on the television screen. To return the television screen to the previous screen, the "Forward" button 11
Try to press 9. This causes the first scene of each track on the previous screen to be sequentially displayed on the television screen. Further, for a disc having less than 9 recording tracks, only the tracks recorded on the disc are displayed.

When the reproduction of a desired track (scene) is started while the first scene of each track is being displayed in sequence, when the desired track is displayed. Press the "play" button 121. As a result, the desired track is reproduced on the television screen. Furthermore, when it is desired to stop the disc digest while the disc digest is being displayed, the “stop” button 123 is pressed to stop the disc digest. Furthermore, when shuffle playback, program playback, or auto playback is started and the disc digest is started by pressing the "disc digest" button 111, the mode is automatically switched to the continuous playback mode.

In the digest scan mode, if no screen is displayed, no track number is displayed. Further, when a disc digest is performed on a disc having a short track of about several seconds, only the number of the track number is displayed for the short track, and no image is displayed.

Next, in the apparatus of the present embodiment, one moving picture sequence (track) is divided into nine parts, and the scenes near the beginning of each are taken as still images at once using the high resolution mode so that small characters can be easily seen. It also has a track digest function to display. This track digest is 1
It displays several parts of the video of a track as a still image on the screen at one time so that the contents of that track can be viewed at one time.The number is displayed on the screen, and when that number is selected, It is a function to play a moving image from a position. The detailed operation of the track digest will be described later with reference to FIG. Further, the reason why the data is divided into nine and displayed is that, like the disk digest, the maximum number is allowable when the current memory is fully utilized. It should be noted that only the beginning portion is displayed the intra images after 4 seconds, and the other portions are displayed after the divided portions.

Here, the following is performed in a track digest for viewing a scene in which one track is divided.
First, when the "track digest" button 110 is pressed during reproduction of the desired track, the television screen is displayed as shown in FIG.
As shown in FIG. 9, nine scenes of one track are displayed in order, and a number indicating each scene is also displayed. At this time,
When a number indicating a desired scene is selected with the number buttons 124, reproduction is started from the scene corresponding to the selected number.

Incidentally, in order to start the reproduction when the desired scene appears while the scenes are being displayed in order by the track digest, the "reproduction" button 121 is pushed when the scene starts. As a result, reproduction from the scene is started. Also, when stopping the track digest while the track digest is displayed,
Press the “Stop” button 123. In addition, a video CD with playback control code recorded
When performing the track digest with, the "continuous" button 105 is pressed during the stop to set the continuous reproduction mode, and then the operation is performed. Furthermore, in the case of a track of about 40 seconds or less,
It is not divided into 9 (8 divisions or less).

Here, as shown in FIG. 12 and FIG. 13 described above, the television screen is divided, and one is set for each divided portion.
When a still image for one sheet is displayed, the image of each divided portion becomes a very unsightly image due to so-called flicker. Therefore, in this embodiment, the still image displayed in each divided portion is
It is a high-resolution image. This high-resolution image is obtained by interpolating between lines and pixels using interframe correlation for the above-mentioned one still image.

As the above-mentioned interpolation, for example, simple interpolation,
Weighted interpolation and weighted and 3-line interpolation can be considered.

The above simple interpolation means, for example, pixels A, B,
When there is C, ..., (A + B) / 2, (B + C) /
2, (C + D) / 2, ..., Simply interpolating in the horizontal and vertical directions. Here, when the moving picture sequence of the MPEG format is taken as an example, half pixels are used to simply perform interpolation in the vertical direction. A macroblock whose vector in the vertical direction is 1 is created, and a transition between two macroblocks is defined as a skip macroblock. However, a B picture is always used as a picture type in order to save a vector even in a skip macro block. A skip macroblock having a total number of macroblocks-2 is designated, and a macroblock having a vector difference of 0 is placed at the end.

The weighted interpolation is, for example, when there are pixels A, B, C, ..., (3A + B) /
4, (3B + C) / 4, (3C + D) / 4, ... Interpolation is performed. That is, when the MPEG format is taken as an example of the moving image sequence, (A + B) / 2, (B + C) / 2, on the forward side.
Interpolation of (C + D) / 2, ... is performed, the vector is set to 0 on the backward side to generate (A, B, C, ...), and the forward side and backward side are added together to obtain 2 Interpolate by dividing by.

Further, the weighting and the 3-line interpolation are
For example, when there are pixels A, B, C, ... (A + 2B
+ C) / 4, (B + 2C + D) / 4, (C + 2D + E)
Interpolation such as / 4, ... That is, when the MPEG format is taken as an example of the moving image sequence, (A + B) / 2 on the forward side.
Interpolation of (B + C) / 2, (C + D) / 2, ... Is performed and the vector is set to 3 on the backward side (B + C)
./2, (C + D) / 2, (D + E) / 2, ... Are generated.

Although various kinds of interpolation can be performed by combining these interpolation processes, there is a limit because pixel data can be added but cannot be subtracted according to the MPEG standard, for example. Actually, flicker can be effectively prevented by simple interpolation, weighting and 3-line interpolation. Further, in the interpolation using only weighting, strong flicker can be eliminated by repeating the same processing about three times.

Next, in order to search for a desired scene, it is possible to search by the index number (index search function). That is, according to the apparatus of this embodiment, a desired scene in one track can be searched by designating the index number of the video CD. It is also possible to search for a desired scene while sequentially viewing each scene corresponding to the index number. However, index search is possible only when a video CD on which an index is recorded is used.

In this index search function, first, the "V. index" button 125 of the remote controller 100 is pressed during reproduction. As a result, the character "INDEX" indicating that the index search is in progress is displayed on the television screen, as shown in FIG. At this time, if the desired index number is designated with the number buttons 124, the designated index number is displayed on the television screen as shown in FIG. 14B (for example, "3" when number 3 is designated). , Playback starts from that scene.

If the "←" button of the "V. Index search" button 127 is pressed once during reproduction, the index portion currently being reproduced is returned to the beginning. If the "←" button is continuously pressed, it returns to the previous index position. On the other hand, each time the “→” button is pressed, the process advances to the next index position.

In the index search function, in order to know the current index number, the "display screen" button 108 is pressed to display it on the screen. This can be displayed at times other than auto play. If the disc has only one index recorded on it, the television screen will always show “I-
1 "is displayed. Furthermore, the range in which the index search is possible is limited to the track being reproduced, the index search stops at the last or first index in the track, and the next or previous track is not reached.

In the apparatus of this embodiment, a desired scene can be searched for by designating a scene number. That is, when a video CD on which a playback control code is recorded is automatically reproduced, a scene number can be designated to search for a desired scene. In this case, for example, the "scene" button 126 is displayed during playback or stop.
When is pressed, the character "SCENE" indicating the scene reproduction is displayed on the television screen as shown in FIG. At this time, if the desired scene number is designated with the number buttons 124, the television screen is displayed as shown in FIG.
(B), the number of the designated scene numbers is displayed (for example, "6" is designated when the scene number 6 is designated). When the "play" button 121 is pressed in this state, the playback is started from the designated scene.

In the scene playback function, if the user makes an input error, the "clear" button 136 is pressed and the correct number button is pressed again. To stop inputting the scene number, press the "scene" button 126 again. To specify a scene number of 2 digits or more, click ">1" on the numeric button 124.
Instead of using the “0” button, it is possible to press the buttons in the order of “1” → “0” for the scene number 10, or for example, press the buttons in the order of “2” → “5” for the scene number 25. Furthermore, in order to know the current scene number, the "display screen" button 108 is pressed to display it on the television screen.

Next, the apparatus of this embodiment also has a bookmark reproducing function for reproducing from a designated scene. That is, the apparatus of this embodiment can reproduce (bookmark reproduction) from a scene that is designated (bookmark setting) in advance. The device remembers the scene once set as a bookmark, so it is effective even when playback is stopped or the power is turned off, or when the disc is taken out and replaced. This is a function that can be performed when a video CD on which a playback control code is recorded is automatically played.

In this bookmark reproducing function, for example, when the "bookmark setting" button 112 is pressed at a desired position during reproduction, the bookmark setting display "MARK" is displayed on the television screen as shown in FIG. Is displayed. As a result, the scene is set as a bookmark. After that, during the playback or the stop, the “bookmark playback” button 113
When is pressed, as shown in FIG. 16B, "MARK PLAY" indicating the bookmark reproduction display is displayed on the television screen.
Is displayed. As a result, the reproduction starts from the beginning of the bookmarked scene.

In the bookmark reproducing function, the number of scenes that can be bookmarked can be set to, for example, one scene per disc, and a maximum of 36 discs. When the number of scenes for which bookmarks have been set reaches 37 or more, the “bookmarks” that were initially set are deleted in order, and the newly set bookmarks are stored. To change the set "Bookmark", set another bookmark for the same disc. As a result, the previously set “bookmark” is erased and the later set “bookmark” is recorded.

Next, the apparatus according to the embodiment of the present invention can be repeatedly reproduced. That is, it is possible to repeatedly reproduce all tracks or only one track contained in the disc. In addition, the specified portion of one track is repeatedly played (repeated AB playback function).
It is also possible to do.

For example, in the case where all the tracks on the disc are repeatedly reproduced, the "repeat" button 137 is pressed once during the stop, for example. As a result, the characters "REPEAT", which is a display indicating that all the tracks are to be repeated, are displayed on the television screen, as shown in FIG.
After that, when the "play" button 121 is pressed, the playback is started, and when all the tracks are played back, the first track is returned to and played back.

At the time of this repeated reproduction, to return to the normal reproduction, the following is done. For example, in the case of continuous reproduction, the "repeat" button 137 is continuously pressed twice. In the shuffle reproduction or the program reproduction, the "repeat" button 137 is pressed once. When the repeated reproduction is returned to the normal reproduction in this manner, "REPEA" displayed on the television screen or the display window 169 of the main body 150 is displayed.
The "T" display disappears.

To repeat the current track, for example, the "repeat" button 137 is pressed twice in succession during the reproduction. As a result, as shown in FIG. 18, the characters "REPEAT 1", which is a display indicating that one track is cut back, are displayed on the television screen. When returning the repeated reproduction of one track to the normal reproduction, the "repeat" button 137 is pressed once again. As a result, the display of "REPEAT 1" displayed on the television screen or the display window 169 of the main body 150 disappears.

In the repetitive reproduction function, each reproduction mode and the repetitive reproduction possible in each reproduction mode are as follows. For example, when the reproduction mode is the continuous reproduction mode, it is possible to repeat all tracks, repeat one track, and repeat a designated section within one track (repeat AB). When the reproduction mode is shuffle reproduction, it is possible to repeat all tracks and only a specified section within one track (repeat AB). When the playback mode is the program playback mode, all the repeated playback of the programmed tracks and the designated section within one track (repeated A-
Only B) is possible. When the playback mode is auto playback, the specified section within one track is repeated (Repeat A
-B) only (however, still images cannot be repeated) is possible.

Here, in "Repeat AB" for repeating only the designated portion in one track, the following operation is performed. For example, during reproduction, the "repeat AB" button 138 is pressed at the beginning of the portion to be repeated. As a result, on the television screen, as shown in FIG.
"A-" is displayed on the display to indicate that it is "Repeat A-B" playback.
The letters "B" and "REPEAT" are displayed. At this time, by pressing the “repeat AB” button 138, the beginning of repeat (point A) is set, and “B” of the letters “AB” on the television screen is set.
The character display of blinks. Therefore, in order to set the end (point B) of the portion to be repeated, when the end of the portion to be repeated is reached, the "repeat AB" button 1
Press 38. As a result, the blinking display character "B" on the television screen stops, and the setting of the end of repeat (point B) is completed. After that, the playback is repeated by returning to point A.

Incidentally, the "repeat AB" button 13
In the middle of the repeated reproduction by 8, to return to the normal reproduction, the "repeat" button 137 is pressed. As a result, the "REPEA" displayed on the display window 169 of the main body 150 is displayed.
The "TA-B" display also disappears. Further, the end of repeat (point B) cannot be set within 2 seconds from the beginning of repeat (point A). Furthermore, it is not possible to specify across the track between A and B.

Next, in the apparatus of this embodiment, it is possible to perform program reproduction in which reproduction is performed in an arbitrary order. That is,
According to the program reproduction, it is possible to reproduce any track in any order. In this case, first, the "display screen" button 108 is pressed twice in succession to display the track number (eg 1, 2, 3, 4, 5, 6, 6) on the television screen as shown in FIG. 7,8,9,1
0) is displayed.

Next, the "program" button 107 is pressed. At this time, as shown in FIG. 20B, the characters "PROGRAM" indicating the program reproduction mode are displayed on the television screen together with the previous display.
After that, desired track numbers are sequentially set by the number buttons 124. For example, in the case of performing program reproduction in which the reproduction is performed in the order of track 5 → track 3 → track 7, the “5” button is pressed, then the “3” button is pressed, and then the “7” button is pressed. When this track number is set, the television screen shows (C) in FIG.
As shown in, the track numbers in the order of pressing the number buttons 124 are displayed ("5", "3", "7"). In addition,
FIG. 20C, which is a television screen when the programmed track number is displayed, shows the total time of the programmed tracks (for example, 13 minutes 18 minutes).
When it is seconds, "13:18") is displayed, and the number of programmed tracks is displayed ("STEP-3" when the above three tracks are programmed). However,
When the total time of programmed tracks exceeds 100 minutes, the total time is displayed as "---: ---".

In this program reproduction mode, the maximum number of tracks that can be programmed is 25. If you make a mistake in entering the number when setting the program playback, press the "Clear" button 136,
The correct number button 124 is pressed again. Furthermore, to set the program playback mode on the main unit 150, the main unit 15
The "play mode" button 152 is pressed until "PROGRAM" is displayed in the display window 169 of 0.

After that, when the "play" button 121 is pressed,
Program playback starts. The program number that has been played back is displayed as "*" on the television screen.

To program the pause (pause), the "pause" button 122 is input instead of inputting the track number with the numeric buttons 124. As a result, the track number display on the television screen becomes "P", and the program is temporarily stopped at "P" during program reproduction. Note that this temporary stop can be programmed only during the stop, and the temporary stop is also counted as one of the programs. Furthermore, the pause cannot be programmed in the 1st and 25th, nor can it be programmed continuously. For example, if a pause is programmed at the end of the program, a "P" will be displayed on the television screen, but will disappear when playback begins.

Further, in this program reproduction mode, the "check" button 135 is pushed to confirm the program contents. Each time the "check" button 135 is pressed, the program order and the track number blink on the television screen. To return to continuous playback during program playback, press the "continuous" button 105. As a result, the display of "PROGRAM" on the television screen disappears and the program is erased. Furthermore, the program contents are erased when the reproduction mode other than the program reproduction mode is switched.

Here, when the program reproduction is performed on the video CD in which the playback control code is recorded, only the moving image and the sound which are treated as the track (the track number is displayed) can be programmed. Some still images, menu images, and movies cannot be played back by program. To switch from the auto play mode to the program play mode, press the "program" button 107 during stop, and to return to the auto play, press the "auto" button 104 during stop.
Press.

In the program reproduction mode, the program can be changed as follows. For example, to add a program, press the number button 124
Added at the end of the program. Further, for example, to erase a part of the program, the “check” button 135 is repeatedly pressed to blink the program number to be erased, and then the “clear” button 136 is pushed. If the program of the track being reproduced cannot be erased and the pitch is adjusted, the “pitch” button 132 is pressed to cancel the pitch adjustment, and then the “clear” button 13 is pressed.
You can erase the program by pressing 6. Furthermore, in order to erase the entire program, the "stop" button 123 is pressed during the stop.

It is also possible to program while checking the total time. For example, during programming, pressing the "Forward" button 119 or "Next" button 118 instead of the number buttons 124 to select a track causes the total time of the selected track to be displayed on the television screen. . Then, after confirming the total time, the “program” button 107 is pressed to confirm. When performing the operation on the main body 150, the “play mode” button 152 is pressed.

Next, the information reproducing apparatus of the embodiment of the present invention is capable of shuffle reproduction in which all the tracks of the disc are reproduced in random order. In this case, first the "shuffle" button 106 is pressed. As a result, the character "SHUFFLE", which is a display indicating the shuffle reproduction mode, is displayed on the television screen, as shown in FIG. Next, when the "play" button 121 is pressed, all tracks are played once in any order. To return to normal reproduction during the shuffle reproduction, press the "continuous" button 105. As a result, the display of "SHUFFLE" on the television screen and the display window 169 disappears.

To enter the shuffle reproduction mode on the main body 150 side, the "play mode" button 152 is pressed until "SHUFFLE" is displayed on the display window 169. If the "shuffle" button 106 is pressed during continuous reproduction or program reproduction, shuffle reproduction starts from the next track after the currently reproduced track. In addition, a video CD with playback control code recorded
When performing shuffle playback with, shuffle playback is possible only for videos and audio that are treated as tracks (track number is displayed), and still images, menu images, and some videos are not shuffled. To enter the shuffle playback mode during auto playback, press the "shuffle" button 106 while stopped. To return from shuffle play mode to auto play mode, press the "auto" button 104 while stopped.

The information reproducing apparatus of this embodiment also has a pitch adjusting function for changing the pitch of a piece of music. That is, the sound can be raised or lowered by changing the pitch (speed) of reproduction. In this case, first, the "pitch" button 132 is pressed during reproduction. As a result, as shown in FIG. 22, the pitch adjustment and its proportion (%) are displayed on the television screen (for example, when the proportion of the pitch adjustment is 0.0%, “PITCH 0.0
% ") Is made. At this time, the “pitch-” button 134
Alternatively, by pressing the “pitch +” button 133, the pitch ratio can be changed. For example, if you press the "Pitch +" button 133, the pitch becomes faster (pitch increases),
When the "pitch-" button 134 is pressed, the pitch becomes slower (pitch decreases). This pitch can be changed in the range of -12.0% to + 12.0% at 0.1% intervals.

After the pitch adjustment, the "pitch" button 132 is pressed to return to normal reproduction. At this time, the previously set pitch is held, and when the "pitch" button 132 is pressed again, the playback is performed at the previously set pitch. Further, after changing the pitch setting once, the "clear" button 136 is pressed to restore the standard pitch.

Further, in the information reproducing apparatus according to the embodiment of the present invention, it is possible to reproduce a disc on which a song is recorded, for example, by reducing the volume of only the voice of the singer. In this case, pressing the "Karaoke" button 129 lowers the volume of the singer's voice,
For example, the characters "Karaoke" are displayed on the television screen. To return the volume of the singer's voice to the normal volume when using this function, press the "Karaoke" button 12 again.
Press 9.

Further, the apparatus of this embodiment also has an auto pause function of temporarily stopping at the beginning of the track. For example, when the reproduction of one track is completed, the track can be automatically paused before the start of the next track. In this case, the "auto pause" button 139 is pressed.
As a result, "A. PAUS" appears on the television screen.
The character “E” is displayed, and when the reproduction of one track is completed, the pause state is entered. To start playing the next track, click the "Pause" button 122 or the "Play" button 121.
Press. To cancel the auto pause, press the "auto pause" button 139.

In addition, in the apparatus of this embodiment, the reproduced sound can be echoed. In this case, the main body 150
The echo adjusting volume 160 is turned to the right or left to adjust. Further, in the apparatus of the present embodiment, the volume of the microphone input volume 161 of the main body 150, which is input to the microphone and sent to the speaker, can also be adjusted. Further, the headphone volume can be adjusted by the headphone level adjusting volume 159.

FIG. 23 shows a state in which all the display contents of the display window 169 of the main body 150 are displayed. That is, this FIG.
3, a display window 169 displays a playback mark 180 for playback display, a pause mark 181 for pause display, "VIDEO CD" for displaying a video CD, and a video CD on which a playback control code is recorded. "PBC" 182 for playing, "AUTO" for automatic playback display, "SHUF" for shuffle playback display
FLE "," PROGRA "for program playback display
"M", "AUTO PAUS" for auto pause display
E "," REPEAT1 "and" AB "for repeated reproduction, and" K.PO "for so-called karaoke display.
"N", "STE" for displaying the number of program tracks
“P”, “MIN” and “SEC” for displaying time / pitch adjustment value / introscan playback time, and “INDE for displaying index search / index number.
"X", "PITCH" for pitch adjustment display, "MONO LR" for audio monitor display, 7-segment display for track number / selection menu number display and time (minute, second) display The display unit and can be displayed.

In the information reproducing apparatus of this embodiment, the "+" button 165, the "-" button 166 and the "reproduction (selection)" button 168 of the main body 150 are the remote controller 1
It has a function corresponding to the number buttons 00 of 00.
For example, with the "-" button 166 of the main body 150, the number (number) can be set to be smaller each time the button is pressed, and "+" is displayed.
By using the button 165, it is possible to set the number (numeral) to be increased each time the button is pressed. The “play” button 168 of the main body 150 also functions as a “select” button. Therefore, for example, a number is designated by the "-" button 166 and the "+" button 165 of the main body 150, and then the main body 1
The designated number is selected by pressing the "play (select)" button 168 of 50.

More specifically, in the case of a video CD, a selection number may be input, for example, when executing a selection list during operation by playback control. The number can be from 1 to 99. Since the remote controller 100 has the number buttons 124, the number can be selected by using the number buttons 124. However, since it is not possible to secure a sufficient area in the main body 150 for providing a large number of buttons like the number buttons 124, it is necessary to use the "+" button 165 and the "-" button 166, and Select) button 16
I am trying to substitute 8. For example, the remote controller 100
Comparing the number of buttons of the number and the number of buttons used for selecting the number of the main body 150, "1", "2", "3", "4", "5" forming the number buttons 124 in the remote controller 100
There are 11 buttons in total for “6”, “7”, “8”, “9”, “10/0”, and “> 10”, while the main unit 15
At 0, there are three "+" buttons 165, "-" buttons 166, and "playback (selection)" buttons 168.

Here, the selection list is a list for allowing the user to select a menu, as will be described later, and is address information. That is, for example, according to the selection list, the minimum value of the selection number and the number of options are known. Also, it is possible to know whether the number can be selected from the offset of the jump destination corresponding to the number. Therefore, the minimum and maximum selection numbers and the unselectable numbers are known.

In the apparatus of this embodiment, first, the "+" button 1
The minimum value is displayed when 65 is pressed, and the maximum value is displayed when the "-" button 166 is pressed first. After that, when the "+" button 165 is pressed, the number is incremented by 1, and when the "-" button is pressed, the number is decremented by 1. Here, if the "+" button 165 is pressed at the maximum value, the minimum value is displayed, and if the "-" button 166 is pressed at the minimum value, the maximum value is displayed. .

Further, when the "play (select)" button 168 is pressed, the currently displayed number is set as the selected number and the execution is moved to the corresponding jump destination. If the corresponding jump destination is an invalid value (for example, $ FFFF), the selection is ignored. If the offset corresponding to the number is an invalid value, the number can be skipped when the "+" button 165 and the "-" button 166 are pressed.

Number of Button Inputs on Remote Control 100 and Main Unit 1
Comparing with the number of button inputs required for selecting 50 numbers, for example, the number of inputs when selecting 13, 14 or 15 when there are 5 options from 11 to 15 Is as follows.

With the number buttons 124 of the remote controller 100,
In order to enter 13, it is necessary to enter three times in the order of ">10" → "1" → "3", and in order to enter 14, ">10" → "1" → "4". Input 3 times in the order of, but in order to input 15, ">10" → "1" →
It is necessary to input a total of three times in the order of "5".

On the other hand, in the main body 150, in order to input 13, a total of 4 times are required in the order of “+” → “+” → “+” → “playback (selection)”. In order to input "-" → "-" → "Play (selection)", three times in total, and to input 15, "-" →
It is necessary to input twice in total in the order of "playback (selection)".

Further, for example, when the choices are 10 choices 1 to 10, 3, 5 or 1
The number of inputs when selecting 0 is as follows.

With the number buttons 124 of the remote controller 100,
One input of "3" is required to input 3, three inputs of "5" are required to input 5, and one input of "10" is required to input 10. Becomes

On the other hand, in the main body 150, 3
In order to input "+" → "+" → "+" → "play (selection)", a total of 4 times are required. To enter 5, "+" → "+" → "+" → "+" → "+"
→ A total of 6 inputs in the order of "play (selection)" and a total of 2 inputs in the order of "-" → "play (selection)" to input 10 are required.

As described above, on the main body 150 side, it is possible to greatly reduce the number of buttons for inputting numbers and to select a number without significantly increasing the number of button inputs by the user.

Next, FIG. 24 shows the circuit configuration of the information reproducing apparatus of the embodiment of the present invention.

In FIG. 24, the CD deck 1 has
Various optical disks (CD-DA, disks classified into CD-ROM, etc.) are loaded, and the signals recorded on the optical disk are read by the optical pickup of the CD deck 1. The optical disk read signal from the CD deck 1 is sent to the signal processing circuit 2. The signal processing circuit 2 is controlled by a CPU (central processing unit) 4 and sends, for example, servo control signals such as focus and tracking to the CD deck 1 in response to a read signal from the optical disc, and Processing such as error correction is performed on the read signal from the optical disc.

The reproduction signal of the optical disc from the signal processing circuit 2 is supplied to the switching circuit 15 and the CD-ROM decoder 3.
Sent to The CD-ROM decoder 3 decodes a reproduction signal from the optical disk according to the format of the CD-ROM when the optical disk is a disk (for example, the disk of the present embodiment) that falls within the category of the CD-ROM. Of the signals decoded by the CD-ROM decoder 3, various disc information including playback control information is sent to the RAM 6, audio information is sent to the MPEG audio decoder 21, and video information is sent to the MPEG video decoder 22. Each sent.

In the MPEG audio decoder 21, M
The audio information is decoded based on the layer 2 format of PEG1, and the MPEG video decoder 22 decodes the video information based on the MPEG1 format.

The audio signal decoded by the MPEG audio decoder 21 is sent to the switching circuit 15. The switching circuit 15 is the CD
When the optical disc being reproduced on the deck 1 is a normal audio CD (CD-DA), the audio signal from the signal processing circuit 2 is reproduced, and the optical disc being reproduced on the CD deck 1 is the main one. In the case of the disc (video CD) of the embodiment, switching is performed so as to select the audio signal from the MPEG audio decoder 21. The switching circuit 15 also switches the audio signal between stereo left (L) and right (R).

The digital audio signal passed through the switching circuit 15 is converted into an analog signal by the D / A conversion circuit 16 and then sent to the echo mixing circuit 18 through the filter 17. The echo mixing circuit 18 mixes the audio input signal from the microphone from the terminal 19 with the audio signal passed through the filter 17, and at the same time, performs processing for applying an echo to the audio input signal. That is, the function as so-called karaoke can be realized by mixing the audio signal reproduced from the optical disc with the audio input signal from the microphone by the echo mixing circuit 18, and further echoing the audio input signal. become.

The signal from the echo mixing circuit 18 is sent from the output terminal 20 to a subsequent stage, for example, an amplifier and a speaker.

On the other hand, the video information sent to the MPEG video decoder 22 is the MPEG video decoder 2 concerned.
After being decoded at 2 to be a digital video signal, it is sent to the D / A conversion circuit 23. The video signal converted into an analog signal by the D / A conversion circuit 23 includes
After the character information to be displayed on the display device at the subsequent stage is added by the character display circuit 24, predetermined modulation is performed by the video modulation circuit 25 and the result is sent from the output terminal 26 to, for example, a display.

Further, the ROM 5 and the EEPROM (electrically erasable ROM) 7 also store information on various programs used in the CPU 4, the character information, etc., and the CPU 4 uses these program information and the like. Control each unit connected via a bus, extract necessary character information and send it to the character display circuit 24.

The CPU 4 is also connected to the sub CPU 8. The sub CPU 8 receives a signal from the receiving unit 10 that receives an infrared signal from the remote controller 100 and an input signal from various switches 11, determines the contents of these signals, and the contents and playback of the signals. The display of the fluorescent display tube 12 is controlled according to control information and the like. In addition, the sub CPU 8 has a power source 13
Is also connected. Furthermore, each unit operates based on the clock from the clock generation circuit 27.

Also, the switch 11 and the remote controller 100
The various keys described above are arranged in the. here,
In the information reproducing apparatus of this embodiment, the playback
The user can press these keys during the reproduction of the video CD on which the control code is recorded. By pressing these keys during the reproduction, the reproduction state and the contents of the reproduction of the reproduction apparatus are changed as described above. It will change. This allows the user to perform playback using the playback control function.

Next, the operation of the apparatus of this embodiment will be described with reference to FIG.
~ It demonstrates using the flowchart of FIG.

First, FIG. 25 shows the main body 1 of the apparatus of this embodiment.
10 shows a flowchart of the operation after inserting the disc into the disc 50.

In FIG. 25, when the disc is inserted into the disc table of the information reproducing apparatus of the present embodiment in step S400, the TOC corresponding to the table of contents recorded in the innermost circumference of the disc in step S401. (Tabl
e of Contents) and information of information is read. In step S402, it is determined whether or not the inserted disc is a video CD disc. If it is determined that the disc is not a video CD disc (NO), the process proceeds to a process corresponding to another disc in step S403. If it is determined in step S402 that the disc is a video CD (Yes), the process proceeds to step S404.

In step S404, the user waits for button input, and in the next step S407, it is determined whether or not the "disc digest" button 111 has been pressed. If it is determined in step S407 that the button has not been pressed (NO), the process proceeds to step S409, and if it is determined that the button has been pressed (YES), the process proceeds to disc digest processing in step S408.

Furthermore, if the result of the step S407 is NO, the process proceeds to step S411 for processing another button.

Next, in the process of inputting the selection number in the apparatus of this embodiment, the processes shown in the flowcharts of FIGS. 26 and 27 are performed.

First, in FIG. 26, step S2
At 29, the process of inputting the selection number is started, and step S23
In 0, the minimum value of the options is substituted into the variable BSN, and the maximum value of the options is obtained from the variable NOI indicating the number of options and the minimum value of the options. In the next step S231, the variable Cur is set.
Is set to 0, the process proceeds to step S232.

In step S232, the "+" button 16
It is determined whether or not 5 is pressed, and when it is determined that it has been pressed (Yes), the process proceeds to step S235, and the minimum value is assigned to the variable Cur in step S235. If it is determined in step S232 that the button has not been pressed (NO), the process proceeds to step S234.

In step S234, the "-" button 16
It is determined whether or not 6 has been pressed, and if it is determined that it has been pressed (Yes), the process proceeds to step S236, and in step S236, the maximum value is assigned to the variable Cur. If it is determined that the button has not been pressed (NO), the process proceeds to step S237.

In step S237, the variable Cur is 0.
(That is, no selection has been made) is stored, and thereafter, the process returns at step S238.

In addition, the above-mentioned steps S235 and S
After 236, the process proceeds to the process of the flowchart of FIG.

In FIG. 27, in step S241, the variable Cur is set to the television screen or the display window 169.
, And in the next step S242, the "+" button 1
It is determined whether or not 65 is pressed, and if it is determined that it has been pressed (Yes), the process proceeds to step S255, and if it is determined that it has not been pressed (No), step S243.
Proceed to.

In step S243, the "-" button 16
It is determined whether 6 has been pressed. If it is determined that it has been pressed (Yes), the process proceeds to step S248, and if it is determined that it has not been pressed (No), the process proceeds to step S244.

At step S244, "playback (selection)"
It is determined whether or not the button 168 has been pressed. If it is determined that the button 168 has not been pressed (NO), the process returns to step S241. If it is determined that the button has been pressed (Yes), the process proceeds to step S245, where the display is erased.
After that, the variable Cur is stored as the selected number in step S246, and then the process returns in step S247.

In step S255 when the determination in step S242 is YES, the variable Cur
Is increased and the process proceeds to step S256. Step S
At 256, it is determined whether or not the jump destination of the corresponding number is "$ FFFF". If YES is determined, the process returns to step S255, and if NO is determined, the process proceeds to step S257.

In step S257, it is determined whether or not the variable Cur is greater than the maximum value. If it is determined to be larger (Yes), the process returns to step S258, and if it is determined to be smaller or equal, the process returns to step S241. .

In step S258, the minimum value is assigned to the variable Cur, and then the process returns to step S241.

In step S248 when the determination in step S243 is YES, the variable Cur is decreased and the process proceeds to step S249. In step S249, the jump destination of the corresponding number is "$ FFF.
If it is YES, the process returns to step S248, and if NO, the process proceeds to step S250.

In step S250, it is determined whether or not the variable Cur is smaller than the minimum value. If it is determined to be smaller (Yes), the process returns to step S251. If it is determined to be larger or equal, the process returns to step S241. .

In step S251, the maximum value is assigned to the variable Cur, and then the process returns to step S241.

Next, in the case of proceeding to the disc digest processing in the flowchart of FIG.
The process shown in the flowchart of FIG.

First, in FIG. 28, step S2
When the disc digest processing is performed in 06, 1 is assigned to the track number N in step S207, and the track number N corresponding to the track number N is assigned in step S208.
1 is assigned to each divided screen number P (hereinafter, the divided screen is referred to as Pos) obtained by dividing the television screen shown by 2 into nine.
In the next step S209, seek processing is performed after a designated time from the beginning of the track of number N, and step S2 is performed.
In FIG. 10, an image (intra image or the like) that can be displayed for the first time after reading the data is displayed together with the track number N on the divided screen Pos of 9 divisions in FIG.

In step S211, the "play" button 12
It is determined whether 1 has been pressed. If it is determined that the button has been pressed (Yes), the corresponding track is reproduced in step S220. On the other hand, if it is determined in step S211 that the button has not been pressed (NO), the process proceeds to step S212.
Here, the track number N and the divided screen number P are increased. In the next step S213, it is determined whether or not the track number N is larger than the maximum track number. If YES is determined, the process proceeds to step S215, and if NO is determined, the process proceeds to step S214.

In step S214, it is determined whether or not the divided screen number P is smaller than 10, and if it is determined to be smaller (Yes), the process returns to step S209, and if it is determined to be equal or larger, step S215. Proceed to.

In step S215, the user waits for a button input, and in the next step S216, it is determined whether or not there is a next button input. Step S2
When it is determined that the next button input is present in 16 (Yes), the process returns to step S208, and when it is determined that there is no next button input, the process proceeds to step S217.

In step S217, it is determined whether or not the numeric button has been pressed. If it is determined that the numeric button has not been pressed (NO), the other buttons are processed in step S218, and the process returns to step S215. On the other hand, if it is determined in step S217 that the numeric button has been pressed (YES), the process proceeds to step S219.

In step S219, it is determined whether or not the input number by the numeric button is larger than the maximum track number. If it is determined that the input number is larger (YES), step S219 is executed.
If it is determined to be equal to or smaller than 215 (No)
If so, the process proceeds to step S220. In step S220, the corresponding track is reproduced and the process ends.

Next, in the track digest processing,
The processing as shown in the flowcharts of FIGS. 29 and 30 is performed.

First, in FIG. 29, step S270.
When the process shifts to the track digest process in step S27, in step S271, a seek is performed, for example, about 4 seconds (4 seconds = STEP) after the beginning of the current track. In the next step S272, a picture (intra picture or the like) that can be displayed for the first time after reading the data is displayed on the first divided screen Pos1 of the divided screens obtained by dividing the television screen shown in FIG. 13 into nine.

In the next step S273, the total time (total time) of the track is STEP × 9 (≈3.
6) Whether or not it is shorter is determined. If it is determined to be shorter (Yes), the process proceeds to step S280, and if determined to be longer or equal (No), the process proceeds to step S274.

In step S274, 1 is assigned to P, and in the next step S275, button check processing shown in the flowchart of FIG. 30 described later is performed. After this step S275, the process proceeds to step S276, where the P / 9 position of the current track (that is, the scene position corresponding to the P / 9 position of the scene where the track is divided into 9) is sought.

In the next step S277, an image (intra image or the like) that can be displayed for the first time after reading the data is displayed on the next divided screen Pos (that is, Pos (P + 1)). In step S278, P is increased, and in step S279, it is determined whether P is smaller than 9. When it is determined that P is smaller than 9 in step S279 (Yes)
Returns to step S275, and if P is determined to be 9 or more (NO), the process proceeds to step S290.

If YES in step S273, in step S280, the P
1 is assigned to, and it is determined whether or not the total time (total time) of the track is shorter than STEP × P (≈4P). If it is determined that the time is shorter (Yes), step S2 is performed.
If it is judged to be long or equal to 90 (NO), the process proceeds to the button check process of step S275.

After step S275, step S28 is performed.
In step 3, the seek to the position of STEP × P of the current track is performed, and in the next step S284, an image (intra image or the like) that can be displayed for the first time after data reading is displayed in the next divided screen Pos (that is, Pos (P + 1)). After that, P is increased in step S285, and the process returns to step S281.

If YES in step S281 and NO in step S279, the user waits for a button input in step S290, and in the next step S275, button check processing is performed. It returns to step S290.

Next, referring to FIG. 30, the above step S27
The button check flowchart of No. 5 will be described.

In the button check process of step S275 in FIG. 30, first, in step S300, it is determined whether the "play" button 121 or 168 has been pressed, and if it is determined that the button has been pressed (YES). If it is determined that the button has not been pressed (NO), the process proceeds to step S301.

In step S301, it is determined whether or not the number is set by the valid number button 124 of the remote controller 100 or the "+" button 165, "-" button 166 of the main body 150, and if YES is determined. Advances to step S303. In step S303, the reproduction is performed from the corresponding position, and then the process ends.

On the other hand, if it is determined NO in step S301, the process proceeds to step S302. This step S
At 302, after processing other keys, step S3
Return with 04.

By the way, as another example of the information reproducing apparatus of the present embodiment, a so-called changer capable of reproducing a plurality of discs in accordance with a user's selection or sequentially reproducing them in a predetermined order. It is also possible to mention.

Also in the information reproducing apparatus of the present embodiment as the changer, the television screen is divided and each track of any one disk in the changer is divided in the same manner as described in FIG. It is possible to display a scene about 4 seconds after the beginning, or to display each scene obtained by dividing one track in the one disc in the same manner as described with reference to FIG.

Further, in the case of the information reproducing apparatus of this embodiment as the changer, the head position or the predetermined position of the head track of each of the plurality of discs loaded in the changer, or the predetermined track of each disc. It is also possible to divide and display a scene such as the head position or a predetermined position of the image on the television screen as shown in FIG.

Here, in this changer type information reproducing apparatus, a digest scan function for displaying a scene such as a head position or a predetermined position of a head track of each disc, or a head position or a predetermined position of a predetermined track of each disc is provided. For example, it is called a multi-volume digest function.

In the multi-volume disc digest function, for example, when the top position of the top track of each disc is displayed on the split screen, for example, during stop, the "disc digest" button 111 is used as described above. When is pressed, the television screen displays the disc numbers corresponding to each of the nine discs in one screen as shown in FIG. 12, and the beginning of the top track of the disc corresponding to each disc number is displayed. Scenes are displayed in order. Incidentally, the beginning scene of the first track of each disc at the time of this multi-volume disc digest can also be the scene about 4 seconds after the beginning of the track. Also, when the desired disc number is selected with the number buttons 124 of the remote controller 100 while the first scene of each disc at the time of the multi-volume disc digest is displayed or during the sequential display, The track of the selected disc number will be reproduced. Of course, what is displayed on each split screen may be a predetermined track instead of the head track of each disc. In addition, the above-mentioned “disc digest” button 111
It is also possible to provide a button dedicated to the multi-volume disc digest without having to use the dual function.

However, when there are 10 or more discs in the changer, the mark "→" is displayed blinking on the screen, and the "Next" button is displayed to display the tenth disc and subsequent discs. Press 118. As a result, the first scene of each of the tenth disc and the subsequent discs is sequentially displayed on the television screen. To return the television screen to the previous screen, the "forward" button 119 is pressed. This causes the television screen to sequentially display the first scene of each disc of the previous screen. Further, when the number of discs is less than 9, only those discs are displayed.

When the reproduction of the desired disc is started while the first scene of each disc is being displayed in sequence, the "reproduction" is performed when the desired disc is displayed. Press the button 121. As a result, the desired disc is reproduced on the television screen. Furthermore, when it is desired to stop the multi-volume disk digest while the multi-volume disk digest is being displayed, the "stop" button 123 is pressed to stop it. Furthermore, when the "volume digest" button 111 is pressed to start the multi-volume disc digest during shuffle playback, program playback, or auto playback, the continuous playback mode is automatically switched.

Further, in the multi-volume disc digest function, for example, the start position of the start track of each disc is displayed on each split screen, and when any one of the split screen-displayed discs is selected, It is also possible to continuously perform the operation of the disk digest for the disk.

When the track reproducing function is performed in the information reproducing apparatus having the changer function, for example, the head track of each disc or a plurality of positions obtained by dividing a predetermined track are displayed on the screen at once as still images. Display it so that you can see the contents of that track at once. In this case, for example, each scene in which the beginning of the disc number 1 or a predetermined track is divided into nine is displayed on the nine split screen of FIG. The head of the number 2 or each scene divided into 9 predetermined tracks is displayed, or the head of the disc number 1 or the predetermined track is 3 in the divided screens Pos1, Pos2, and Pos3 among the nine divided screens. Display the divided scenes,
Split screens of 9 split screens Pos4, Pos5, Po
For example, the beginning of the disc number 2 or a scene in which a predetermined track is divided into three can be displayed in s6.

Next, a video CD as an example of an information recording medium reproduced by the apparatus of this embodiment will be described.

There are many standards for so-called compact discs (CDs) depending on the type of data to be recorded.
That is, the CD standards roughly include an audio CD (CD-DA) for recording audio signals and a CD-ROM for recording various data. Among them, the format of the disc (video CD) which is the information recording medium of the present embodiment for recording a video signal is the above-mentioned CD-RO.
This is an extension of the so-called karaoke CD (CD moving image karaoke) standard for the purpose of simple moving image reproduction, which falls into the category of M. Note that the karaoke CD here is a disc whose main purpose is to use it in karaoke or the like, which is used by mixing an input voice from a microphone and a music signal.

Here, for example, in the field of household software, not only simple moving picture reproduction but also music software combining moving pictures and still pictures, educational software, electronic publishing software and the like have a very wide range of use. In order to correspond to these software groups, the disc of the embodiment of the present invention uses 704
Features such as playback specifications for high-resolution still images of × 480 pixels and playback control to realize menu playback are added.

The disc format of this embodiment is also compatible with the existing CD-I FMV (Full Motion Video) standard. That is,
The recording format of the disc of this embodiment is the CD-IF.
It is a bridge standard that can be played back even by a player compatible with the MV standard to maintain consistency in standards and disc compatibility.

Further, unlike the CD-I, the recording format of the disc of the present embodiment does not specify the operating system, so that not only a dedicated player but also a so-called MPEG (Moving P) for compression coding of moving images is used.
It can also be used on personal computers and game consoles equipped with a video board for icture Expert Group).

In the disk configuration of this embodiment, the data of the information portion as computer data conforms to Form 1, the audio or video data conforms to Form 2, and the file management conforms to the ISO9660 format.

As shown in FIG. 31, the recording area of the disc is roughly divided into a lead-in area LiA, a data area (tracks Tr1 to Tr99), and a lead-out area LoA.
Consists of

In the disc of this embodiment shown in FIG. 31, a video CD information portion VDI is newly provided in the portion of the track Tr1 for the format of the CD-ROM XA. Various disc information is recorded in the area of the video CD information section VDI.
Further, the list ID offset table portion LOT of the portion of the track Tr1 stores the IDs (identification information) of the moving image and the still image recorded on the disc. In the playback control unit (play sequence descriptor unit SPD described later), the reproduction procedure described in the list format is recorded.

In addition, the segment play item (S
egment Play Item) SPI allows writing of data such as still images used for menu screens. In the example of FIG. 31, the above segment play item SP
I is segment play item SPI1 to SPI6
Consists of segment play item SPI1 and S
Menu still images MSV1 and MSV2 are in PI2, and still image SV3 is in segment play item SPI3.
However, the segment play item SPI4 has a video M
V4 is segment play item SPI5 and SP
Still image sequences SVL1 and SVL2 are written in I6.

A CD-I application area section is also arranged on the track Tr1. Video C of this embodiment
When a D-format disc is played by a CD-I FMV player, the player first reads this area and plays it according to the procedure of the application. Also,
When playing back on a device such as a personal computer that requires directory management, files are managed according to the directory structure shown in FIG.

That is, in FIG. 32, CD-I,
A video CD directory shown as VCD in the figure is added to the conventional directory structure composed of MPEG audio and video and karaoke. For example, in the VCD directory shown in FIG. 32, INF in the figure
O. The disc information is stored in the VCD, and ENTRIES. The start position of the MPEG standard moving image or MPEG standard audio data is stored in the VCD, and LOT. List ID described later in VCD
The offset table is stored, and PBC. Playback control information is stored in the VCD.

Normal MPEG data is recorded on and after the track Tr2. Therefore, up to the maximum track 99 can be handled for normal MPEG data.
However, in the format of the disc of the present embodiment, not only the simple interactive software using the above-mentioned playback control but also the digital reproducing the high-definition still image using only the track Tr1 can be realized.

In the example of FIG. 31, the tracks Tr2.about.
Moving pictures MV1 to MV3 are recorded in Tr4, and CD-DA data is recorded in track Tr5.

Next, the recording format of the video signal and the audio signal of the disc of this embodiment is in conformity with MPEG1. About 1.2 Mbit / sec is allocated to images, and about 0.2 Mbit / sec is allocated to audio. The screen size of the image part is N as shown in FIG.
TSC signal (30Hz) and film such as movies (24H
z), 352 × 240 pixels, PAL signal (25H
In the case of z), there are 352 × 288 pixels. The layer 2 of MPEG1 is used as the format for audio. The MPEG audio is compatible with a wide range of coding speeds from 32 kbit / sec to 448 kbit / sec, but in this embodiment, it is limited to 224 kbit / sec in consideration of easy production of software and high sound quality. ing. The playback mode is stereo (2 channels), and it can be used for so-called karaoke software such as recording music on channel 0 and music and singing voice on channel 1.

Next, the track structure of the disk of this embodiment is as shown in FIG. That is, MPEG video and audio data are interleave-recorded on the disc, and are arranged at an average ratio of 6: 1. As in the case of a conventional CD player, assuming that the search is performed by the track number, 150 sectors are provided as the pause margin and 15 sectors are provided as the front and rear margins. This is to reduce the impact on the bit stream when searching.

The sector format of MPEG video data is composed of a pack composed of a pack header and pack data, as shown in FIG. CD-ROM
2324 bytes, which is a user data area of 1 sector, composes 1 pack. The PTS in the figure of FIG.
Indicates the presentation time stamp, DT in the figure
S is the decoding time stamp (S) in the figure
CR is system clock reference
In the figure, STD is the system target decoder (sys
tem target decoder).

The sector format of MPEG audio is basically the same as that of video. However, 12 bytes for the pack header and 1 for the packet header
3 bytes and 2279 bytes are allocated as the data part, and 2304 bytes are used as one pack, and the extra 20
Same as video with byte (recording zeros) added 2324
The bite is one unit.

In this embodiment, interactive reproduction of a combination of a moving image and a still image is realized by the following reproduction control function. The playback control function is the playback control function (or called the play sequence descriptor function). Among these playback controls, there are a play list and a selection list described later. Describe the procedure for movie playback in the play list and the procedure for menu playback in the selection list. Here, in order to access the desired moving image or still image data according to the playback control function, the address of the moving image or still image stored in the list ID offset table LOT is referred to. Playback ·
Control (play sequence descriptor)
The maximum amount of control data for realizing the function is about 512 Kbytes as described later.

As a common term below, an offset is address information indicating a position where a list or the like is stored. However, one offset corresponds to 8 bytes. It is represented by 16-bit binary (binary). Next and Previa are the same as those in the video CD playback control section.

First, a play list (PL)
I will describe. The play list is a description of a series of reproductions that does not include branches. The structure of this play list is Play List Header (PLH) 1 byte Number of Play item (NOI) 1 byte List ID Number (IDN) 2 Bytes Previous List offset (PLO) 2 bytes Next List offset (NLO) 2 bytes Cancel List offset (Cancel List offset) 2 bytes Wait time 1 byte Reserved (Reserved) 1 byte Play item # 1 offset (Play item # 1 offset) to play item #end offset (Play item #end offset) 2 bytes each.

Here, the play list header is a header indicating that it is a play list, and $ 10 is written.

The number of play items indicates the number of items described in the play list and is described in binary (binary).

The list ID number is written with a number unique to this list. By displaying this number on the screen or display, the user can know the position of the list currently being played. The player's direct list number select function allows the user to start playback from any list. This is a function equivalent to so-called chapter select. Direct access (Direct acces
If the list does not allow s), set the list ID number to 0. At this time, the player does not display the list ID number or displays the list ID number before this. The list ID of the play list or selection list placed at offset $ 0000 is $ 01.

The previa list offset indicates the stored offset of the list to which the process is transferred when the previa function is used. If you do not need the Previa function, insert $ FFFF.

The next list offset indicates the stored offset of the list to which the process is transferred when all the described items have been executed or the next function is used. If you do not need the next function, insert $ FFFF.

The cancel list offset indicates the offset stored in the list to which the process is transferred when the cancel function is used. If you do not need the cancel function, insert $ FFFF.

As the wait time, the waiting time after the execution of one item is registered. Since only one wait time can be set in the same play list, it is necessary to change the play list when changing the wait time. The wait time of 1 LSB (least significant bit) corresponds to 0.5 sec. In the wait time, do not wait after playing 0.

(1) Wait 0.5 seconds after reproduction, and then reproduce the next item, or when the reproduction of all items is completed, move the processing to the next list. $ FFFF Wait for user action. Means

The play item #n offset indicates the offset of the item to be reproduced. The maximum value of n is
Corresponds to the Number of Play item.

Next, a play item (PI)
Is a description of a video / audio stream. The structure of the play item is item start sector number (Item start sector number) 3 bytes Item end sector number (Item end sector number) 3 bytes File number (File number) 1 byte Data content (Data contents) It consists of 1 byte.

[0211] Here, a play item (Play Item: PI)
The item start sector number of the above indicates the first sector number in which the bit stream is stored, and is described in binary coded decimal (binary coded decimal).

[0212] The item end sector number indicates the last sector number in which the bit stream is stored, and is described in the binary coded decimal system. Overrun can be prevented by knowing the end boundary even when all sectors cannot be accessed during fast-forward playback, etc. during item playback.

The file number specifies the file number of the data stored on the disk. The file number corresponds to the value of the subheader of the form 1 and 2 sectors.

[0214] The data content indicates the attribute of the data stored on the disc. Bits [1: 0] 00 (audio data does not exist) 01 (main channel exists) 10 (sub channel exists (prohibited) )) 11 (Main / Sub channel present) Bits [3: 2] 00 (No video data present) 01 (Normal precision) 10 (High definition only) 11 (Normal precision / High definition) bit [5: 4] 1 (Movie) 0 (Still image) Bit [6] 1 (Reserved) Bit [7] 1 (CD-DA sector) 0 (CD-ROM sector).

Next, the selection list (Selection L
ist: SL) is a list for allowing the user to select a menu.

Here, the selection may be made by a numerical value from a commander or the like, or may be made by the coordinates of the menu screen on the screen. A region is used to specify the above coordinates. When selecting an option from the menu, the above-mentioned region is not only a player of the type that presses the number buttons like the remote control of a CD player to select, but also clicks a certain area on the screen with the mouse like the CD-I to select it. This area is designated so that players of the same type can make the same selection. The area is specified by a rectangle and is expressed as the position information of the diagonal line.
In addition, considering the coordinates where the entire screen is divided into 256 × 256 cells and the upper left corner is (0, 0) and the lower right corner is (255, 255), one region is coordinated with the upper left and lower right coordinates (x,
y)-(x ', y'). One region consists of 4 bytes in which the values are arranged in the order of x, y, x ', y'. For example, a region of (20,10)-(100,40) is represented by 4 bytes of $ 14, $ 0A, $ 64, and $ 28.

The structure of this selection list is: Selection list header (Selection List Header) 1 byte Number of regions (NOR) 1 byte List ID number (List ID Number) 2 bytes Previous list・ Previous List offset 2 bytes Next List offset (NLO) 2 bytes Cancel List offset 2 bytes Error List offset 2 bytes Timeout list・ Offset (Time-out List offset) 2 bytes Wait for Time-out 1 byte Reserved 1 byte Selection table offset 2 bytes Play item offset (Play) Item offset) 2 bytes Base of Selection Re Version (Base of Selection region: BSR) 2 bytes Previous region (Previous region) 4 bytes Next region (Next region) 4 bytes Selection region # base + 0 (Selection region # base + 0) to selection region # Base + NOR-1) (Selection region # base + NOR-1) Each consists of 4 bytes.

[0218] Here, the selection list header indicates that it is a selection list. Write $ 18 for this information.

The number of regions indicates the number of regions described in the list.

The list ID number, preview list offset, and cancel list offset are the same as in the above play list.

The next list offset indicates the offset in which the list to which the process is transferred when the next function is used is stored.

The error list offset indicates the stored offset of the list to which the process is transferred when the offset corresponding to the selected number is not registered in the selection table.

The time-out list offset indicates the offset stored in the list to which the process is moved when no selection is made even after the time designated by the wait time has elapsed.

Wait-for-timeout indicates the waiting time until the time-out. Wait time 1
The LSB (least significant bit) corresponds to 0.5 sec. In the wait time, do not wait 0. 1 Wait 0.5 seconds.

$ FFFF Wait until selected by user. Means

The selection table offset is
Indicates the offset where the selection table (Selection table) described later is stored.

The play item offset indicates the offset of the item to be reproduced to display the menu screen or the like.

The base of selection region indicates the start number of the selection number of the selection region described later. For example, when the minimum value of the selection numbers given in this selection list is 8, write 8 in this area.

[0229] The previa region indicates an area on the screen for selecting the previa function.

The next region indicates the area on the screen for selecting the next function.

The selection region #n indicates an area on the screen for selecting the selection number n.

Next, the selection table (Selection
Table: ST) is a table that gives a list offset corresponding to the selected value. The structure of this selection table is: Number of Selections (NOS) 2 bytes Base of Selection number (BSN) 2 bytes Selection # 1 offset (Selection #BSN offset) To Selection # NOS / offset (Selection # BSN + NOS-1 offset) Each consists of 2 bytes.

Here, the number of selection is
Indicates the number of offsets described in this table,
It is described in binary (binary).

The base of selection number is
Indicates the start number of the selection number.

Selection # n • offset indicates an offset in which a list to which the process is transferred when the selection number BSN + n-1 is selected is stored.

Next, the change volume list (Cha
nge Volume List (CL) is a list for exchanging disks for applications that span multiple disks. The structure of the change volume list is: Change Volume List Header (Change Volume List Header) 1 byte list mode (List mode) 1 byte Disk ID (DISC ID) 8 bytes Cancel list offset (Cancel List) offset) 2 bytes List ID of Next Disc 2 bytes Error Item offset 2 bytes Return List offset 2 bytes Return list・ When the offset is not 0,
The following list exists.

Number of Item (NOI) 1 byte Wait time 1 byte Play item # 1 ID (Play Item # 1 ID) to play item #NO I ID (Play Item) #NOI ID) Each consists of 2 bytes.

[Change Volume List Type 2]
(Change Volume List type 2 (ECL) is also a list for exchanging discs for applications that span multiple discs. Change volume to control even CD titles other than video CDs. An extension of the list that describes the play item for the exchanged disc following the list.

The structure of the change volume list type is as follows: Change Volume List 2 Header 1 byte List mode 1 byte Disk ID (DISC ID) 8 bytes Cancel List Offset (Cancel List offset) 2 bytes List ID of Next Disc 2 bytes Error Item offset (Error Item offset) 2 bytes Return List offset (Return List offset) 2 Byte Number of Item (NOI) 1 byte Wait time (wait time) 1 byte Play item # 1 offset (Play Item # 1 offset) to play item #NOI offset (Play Item) #NOI offset) Each consists of 2 bytes.

[0240] This is followed by the play item at the end of the exchanged disc. The required key functions are:
Next (NEXT), Previa (PREV), Skip (SKI
P), cancel (CANCEL), fast forward (FF), fast rewind (FR), etc.

Next, the data handled by the disk of this embodiment will be described.

First, the video data has a normal precision size (3
52 × 240/288) moving image data, and still images of normal precision size and high definition size (704 × 480/576). However, when including a high-definition still image, always include a normal-precision still image of the same picture.

The subheader of each data is defined as follows, for example. File # Channel # Submode Coding Information Video xx $ 01% x11x001x $ 0F Normal-precision still image xx $ 02% x11x001x $ 1F High-definition still image xx $ 03% x11x001x $ 3F

As audio data, audio data of up to 2 channels is recognized. The two channels are called the main channel / sub channel, and when the sub channel is inserted, the main channel is always inserted. The sampling frequency is fixed at 44.1 kHz. The bit rates are 5 types of 64 kbits, 128 kbits, 192 kbits, 224 kbits, 384 kbits in stereo / intense stereo / dual channel, and 4 types of 32 kbits, 64 kbits, 96 kbits, 192 kbits in monaural. .

The sub-header of each data is defined as follows. File # Channel # Submode Coding Information Main channel xx $ 01% x11x010x $ 7F Sub channel xx $ 02% x11x010x $ 7F

As the data, the following video CD information, list ID offset table,
The play sequence descriptor is used as the data file. These subheaders are defined as follows. File # Channel # Submode Coding Information Data file $ 00 $ 00% x00x100x $ 00

Next, in the video CD description, the sector is fixed to "00:03:00". Basic information of the video CD is stored in this one sector. The contents are as follows. Position (Byte Position: BP) Outline Contents Size BP 1-8 ID string "VIDEO-CD" 8 bytes BP 9-10 Version No. $ 0100 2 bytes BP 11-18 Disk ID 8 bytes BP 19-22 PSD size 4 bytes BP 23 Offset Base 8 (Fixed) 1 byte BP 24 Reserved $ 00 1 byte BP 25-26 Number of List ID 2 bytes BP 27-154 Disc title 128 bytes

Here, the above ID string (IDstring)
Is the ID character string for recognizing the video CD, (Version No.) is the version number of the video CD (Version 1.00) and the disc ID (Disc ID) above.
Is the ID number unique to the disc and is the PSD size
Is the Play Sequence Descriptor
Descriptor) size (number of bytes). When the PSD size is 0, it indicates a disc having no play sequence descriptor. The offset base indicates the radix of the offset used in the play sequence descriptor, which is 8 in version 1 (Version 1).
Fixed to. The offset is multiplied by this radix, 8 to calculate the address. Number of List ID (Num.
of ListID) is the Lithos ID offset table (List I
D Offset Table) indicates the number of IDs, and Disc Title indicates the title name of the disc.

Next, in the list ID offset table, the sector is fixed to "00:03:01"-"00:03:32". This is a correspondence table of the list IDs in the play list and the selection list and their respective offsets. When the user directly specifies the ID, the corresponding favorite menu (Selection List), video, etc. (Play List)
You can start from. When the user specifies an ID, by reading out only one sector containing the ID offset, it is possible to know where to follow the list. That is, this table is data that need not be stored in the memory during normal reproduction. During playback of the play list and selection list, if the list ID is displayed on the player display tube or the like like the track number, the user can remember the number when he / she wants to see it from the menu or movie. Later, you can specify the number (list ID) and see it again from the beginning of the list. However, when there are many list IDs, a maximum of 32 sectors is required for this table. In version 1, the maximum sectors are set aside. The unused offsets are filled in with 0s. It should be noted that the maximum of 32 sectors is at least 14 bytes in one play list. Therefore, when expressed by an offset value, it can be stored in 2 offsets (16 bytes). 2-byte offset (6
Up to 32K list IDs even if all are play lists within the range that can be expressed by 4K offset)
Since there is only this, a maximum of 32K areas (64K bytes = 32 sectors) may be secured.

Then, the list ID offset table (L
ist ID Offset Table is the sector address (Sector Addr
ess) "00:03:01" Setup offset $ 0000 2 bytes List ID1 offset $ xxxx 2 bytes List ID2 offset $ xxxx 2 bytes to list IDN offset $ xxxx 2 bytes (Num. of List ID = N) Not used List ID $ 0000 2 bytes "00:03:32" Unused List ID $ 0000 2 bytes (at the end of "00:03:32").

[0251] Next, in the play sequence descriptor (Play Sequence Descriptor: PSD), the sector "00: 0"
3:33 "-(Max" 00:06:63 ") (fixed at this location), where the actual play list, selection list, play items, selection table, and end list are placed At the beginning is the play list or selection list that is played first.The maximum size of play sequence descriptor allowed is 2 byte offset (64K) * offset base (8). = 512 Kbytes = 256 sectors = 3 sec There are 512 Kbytes such as 31 frames, but it is sufficient to read only the necessary portion into the memory for reproduction.

Finally, End List (EL)
Is a list to which the process is transferred at the end of the sequence. Here, the end list header indicates that it is an end list.

[0253]

As described above, in the present invention, by extracting a part of a plurality of moving picture sequences as a still image and displaying each on a display screen divided into a plurality of pieces, the user can display the contents of the plurality of moving picture sequences. It becomes possible to easily know at once, and by selecting any one of the still images divided and displayed on the display screen, the moving image sequence can be reproduced according to the selection.

Further, in the present invention, even when there are a plurality of information recording media, the user can extract a part of the moving image sequence of each information recording medium as a still image and display it separately, so that the user can read the contents of the information recording media It is possible to know at once.

[0255] Furthermore, by reproducing a part of the still image of the moving picture sequence and the sound related to the moving picture sequence, the user can more easily understand the contents.

[Brief description of drawings]

FIG. 1 is a diagram of an information reproducing apparatus according to an embodiment of the present invention as seen from diagonally above on a front panel side.

FIG. 2 is a diagram of the information reproducing apparatus according to the present embodiment as seen obliquely from above on the rear surface side.

FIG. 3 is a front view of the remote controller of this embodiment.

FIG. 4 is a diagram showing a display example of a television screen when a menu is selected.

FIG. 5 is a diagram showing a display example of a television screen during continuous reproduction.

FIG. 6 is a diagram showing a display example of a television screen during automatic reproduction.

FIG. 7 is a diagram showing a display example of a television screen when a screen display button is pressed.

FIG. 8 is a diagram showing a display example of a television screen when a screen display button is pressed during continuous reproduction.

FIG. 9 is a diagram showing a display example of a television screen when a time display button is pressed during automatic reproduction.

FIG. 10 is a diagram showing a display example of a television screen when a time display button is pressed during continuous reproduction.

FIG. 11 is a diagram showing a display example of a television screen during an intro scan.

[Fig. 12] Fig. 12 is a diagram showing a display example of a television screen when pressed during disc digest.

FIG. 13 is a diagram showing a display example of a television screen at the time of track digest.

FIG. 14 is a diagram showing a display example of a television screen at the time of index search.

FIG. 15 is a diagram showing a display example of a television screen during scene reproduction.

FIG. 16 is a diagram showing a display example of a television screen during bookmark reproduction.

FIG. 17 is a diagram showing a display example of a television screen during repetitive reproduction of a disc.

[Fig. 18] Fig. 18 is a diagram showing a display example of a television screen during repetitive reproduction of a track.

[Fig. 19] Fig. 19 is a diagram showing a display example of a television screen at the time of AB repeated reproduction.

FIG. 20 is a diagram showing a display example of a television screen during program reproduction.

FIG. 21 is a diagram showing a display example of a television screen during shuffle reproduction.

FIG. 22 is a diagram showing a display example of a television screen during pitch adjustment.

FIG. 23 is a diagram for explaining display contents of a display window.

FIG. 24 is a block circuit diagram showing a schematic configuration of an information reproducing apparatus according to an embodiment of the present invention.

FIG. 25 is a flowchart of the operation after inserting the disc into the main body of the device of the present embodiment.

FIG. 26 is a first half flowchart of the operation of inputting a selection number.

FIG. 27 is a flowchart of the latter half of the operation of inputting a selection number.

FIG. 28 is a flowchart of a disc digest operation.

FIG. 29 is a flowchart of the overall operation of a track digest.

FIG. 30 is a flowchart of a button check operation of the track digest.

FIG. 31 is a diagram for explaining the track arrangement of a disc which is an information recording medium of an embodiment of the present invention for recording playback control information.

FIG. 32 is a diagram for explaining the directory structure of the disc.

FIG. 33 is a diagram for explaining screen dimensions defined in this embodiment.

FIG. 34 is a diagram showing a track configuration of a disc of this example.

FIG. 35 is a diagram showing a sector format of MPEG video data recorded on the disc of the present embodiment.

[Explanation of symbols]

 100 remote control 150 information reproducing apparatus main body 1 ... CD deck 2 ... signal processing circuit 3 ... CD-ROM decoder 4 ... CPU 5 ... ROM 6 ... RAM 7 ... EEPROM 8. ..Sub CPU 10 ... Reception unit 11 ... Switch 12 ... Fluorescent display tube 13 ... Power supply 15 ... Switching circuit 16,23 ... D / A conversion circuit 17 ... Filter 18 ... Echo mixing circuit 19 ... Microphone audio input terminal 20 ... Audio output terminal 21 ... MPEG audio decoder 22 ... MPEG video decoder 24 ... Character display circuit 25 ... Video modulation circuit 26 ... Image output terminals

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location H04N 5/92 9369-5D G11B 27/34 S

Claims (7)

[Claims] 1. An information reproducing apparatus for reproducing an information recording medium having at least a plurality of moving picture sequences recorded, a display means for displaying an image on a display screen, and a display screen of the display means divided into a plurality of parts. Playback control means for extracting a part of a plurality of moving image sequences as still images and displaying the still images on the display screens divided into a plurality of pieces, and selecting means for selecting a still image displayed on the display screens divided into a plurality of pieces. An information reproducing apparatus, characterized in that the reproduction control means reproduces the moving image sequence in accordance with the selection by the selection means. 2. The reproduction control means extracts a part of a plurality of moving image sequences recorded on a plurality of the information recording media as a still image and displays the still image on each of the plurality of divided display screens. The information reproducing apparatus according to claim 1, 3. A sound generating means for generating a sound is provided, and sound information related to each moving picture sequence is also recorded on the information recording medium, and the reproduction control means operates on a still image extracted from the moving picture sequence. 3. The information reproducing apparatus according to claim 1, wherein the audio information corresponding to a predetermined time is sent to the audio generating means. 4. A part of the moving picture sequence to be extracted as the still picture is a predetermined second after the beginning of the moving picture sequence, according to any one of claims 1 to 3. Information reproduction device. 5. The information reproducing apparatus according to claim 4, wherein the still image extracted from the moving image sequence is a complete image that is not affected by other images in the moving image sequence. 6. The information reproducing apparatus according to claim 4, wherein the predetermined second is approximately 4 seconds from the beginning. 7. The division of the display screen and the display of the still image are performed over a plurality of display screens according to any one of claims 1 to 6. Information reproduction device.