JP2001243754A - Playback device - Google Patents

Abstract

(57) [Summary] [Problem] To select a plurality of information units without performing an operation of selecting each information unit. SOLUTION: A recording medium which records an information unit in which information including acoustic information is configured in an arbitrary time unit and management information which can manage a plurality of the information units by classifying them into an information section which is a higher-order section unit. A reproduction device for reproducing the information unit and the management information from the recording medium 1, a management information storage device 51 for storing the reproduced management information, A selection unit 7 for selecting a plurality of information units from the information units recorded on the recording medium 1 based on the management information; and a control unit 4 for controlling the reproduction unit 2 to reproduce the selected plurality of information units. The selecting means 7 is configured to be able to select a single information unit in the selection of the information unit, and to be able to select all the information units classified into a specific information section collectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reproducing apparatus for reproducing a recording medium on which information including acoustic information is recorded.

[0002]

2. Description of the Related Art FIG. 7 is a block diagram of a conventional reproducing apparatus. In FIG. 7, reference numeral 1 denotes a disk on which tracks on which audio information and the like are recorded and management information on which a plurality of tracks are classified into groups and which can be managed. Here, a track is an information unit in which information including acoustic information is composed of arbitrary time units, for music, natural environment sounds, drama and performance viewing, broadcasting and news, language and other educational purposes. In addition, information including acoustic information, such as for recording in the field of science and technology, is configured in units of arbitrary time, which is the time from the start to the end of reproduction of the information. A group is a higher-level division unit that can manage a plurality of information units by classifying them. If a track is compared to a file of computer information, the group corresponds to a directory. Management information is recorded on a recording medium as information for managing information units by classifying them into information divisions. Each track is assigned a continuous track number for each divided group, and each group is assigned a continuous track number. The information is recorded on the disc 1 as information to be managed by adding consecutive group numbers.

[0005] Reference numeral 2 denotes a reproducing unit which reproduces audio information and management information of a track from the disk 1. The reproduction unit 2 includes a spindle motor 21, an optical pickup 22, a signal processing unit 23, and a reproduction control unit 24. Reference numeral 3 denotes a decoder unit which decodes management information of the disk 1 and an audio signal of a track into a digital audio signal. When a video signal is recorded on a track together with an audio signal, this is decoded into a digital video signal. 4
Reference numeral 1 denotes a system control unit described later, and reference numeral 5 denotes a storage unit, which includes a management information storage unit 51 for storing management information reproduced from the disk 1 and a program storage unit 52 for storing a program described later. Reference numeral 64 denotes a display unit controlled by the system control unit 41. 9 is a remote control unit,
Reference numeral 8 denotes a light receiving unit of the remote operation unit 9.

[0004] When the disc 1 is set in the reproducing unit 2, the system control unit 41 controls the reproducing unit 2 to reproduce the management information of the disk 1 and store it in the management information storage unit 51.
Based on the stored management information, a program operation, which will be described later, is controlled, and the reproducing unit 2 is controlled to reproduce the disc 1 based on the contents of the program.

FIG. 8 shows details of the remote control unit 9.
FIG. 8 is an explanatory diagram of the remote operation unit 9 in the playback device of FIG. 91 is a numeric keypad, 92 is an Ent key, 93 is a playback key, 94 is a stop key, and 95 is a Prg key. Pr
The g key 95 is a key for starting a program operation for selecting a plurality of tracks from the tracks recorded on the disk 1. A ten key 91 is a key for inputting a group number or a track number, and an Ent key 92 is a key for inputting an input number. The play key 93 and the stop key 94 are keys for playing and stopping a plurality of programmed tracks.

Next, the program operation will be described with reference to FIG. FIG. 9 is a flowchart relating to a program operation of the system control unit 41 of FIG.

As described above, when the disc 1 is set in the reproducing unit 2, the system control unit 41 controls the reproducing unit 2 and stores the reproduced management information in the management information storage unit 51. When the Prg key 95 of the remote control unit 9 is pressed, the program operation starts. When the program operation is started, the system control unit 41 first displays the group number on the display unit 64 and hides the track number in step S51, and proceeds to the next step. In FIG. 9, the group number is represented by a G value and the track number is represented by a T value. In step S52, a group number is input using the numeric keypad 91. If none of the numeric keys 91 has been pressed, the process proceeds to the next step. In step S52, based on the management information stored in the management information storage unit 51, the acceptance of the operation is restricted so that a number greater than the number of groups recorded on the disc 1 cannot be input.

In step S53, it is determined whether the Ent key 92 has been pressed. If the key has not been pressed, the process proceeds to step S54. If the key has been pressed, the process proceeds to step S55. In step S54, it is determined whether the reproduction key 93 has been pressed. If the reproduction key 93 has not been pressed, the process returns to step S52. If the reproduction key 93 has been pressed, the process proceeds to step S60. In step S55, the current group number is determined and the process proceeds to the next step. In step S56, the group number and the track number are displayed on the display section 64, and the process proceeds to the next step. Step S57
Then, the track number is input using the ten keys 91. If none of the ten keys 91 is pressed, the process proceeds to the next step. In step S57, based on the management information stored in the management information storage unit 51, the acceptance of the operation is restricted so that a number greater than the number of tracks recorded on the disk 1 cannot be input.

In step S58, it is determined whether the Ent key 92 has been pressed. If the key has not been pressed, the process returns to step S57. If the key has been pressed, the process proceeds to step S59. In step S59, the current track number is determined, the group number and the track number are stored in the program storage unit 52, and the process returns to step S52.

In step S60, the program storage unit 5
It is determined whether the content is stored in No. 2 and if not, the process returns to step S52, and if it is, the process proceeds to step S61. In step S61, the reproduction unit 2 is controlled based on the contents of the program storage unit 52 to start reproduction. When all the program contents have been reproduced, the process returns to step S52.

As described above, the program operation for selecting a plurality of tracks from the tracks recorded on the disk 1 is controlled.

[0012]

In such a reproducing apparatus, there is a problem that it takes time and effort to select a large number of information units.

In particular, in recent years, the number of information units that can be recorded on one storage medium has been dramatically increased due to the expansion of the storage capacity of the recording medium and the improvement of the compression technique for information storage. Further, with the spread of high-speed information transmission technology and recording / reproducing devices using a semiconductor as a recording medium, demand for replicating information on different recording media by selecting and reproducing a large number of information units is increasing.

In view of such a situation, the present invention provides a reproducing apparatus capable of selecting a plurality of information units without performing an operation of selecting each individual information unit, thereby saving operation time. It is done for the purpose of.

[0015]

According to the present invention, there is provided a reproducing apparatus comprising: an information unit in which information including sound information is constituted by an arbitrary time unit; A playback device that plays back a recording medium that records management information that can be managed by being classified into an information category, and a playback unit that can play back the information unit and the management information from the recording medium; Management information storage means for storing the management information, and selecting means for selecting a plurality of information units from the information units recorded on the recording medium based on the stored management information, Control means for controlling the reproducing means to reproduce the information unit, wherein the selecting means is capable of selecting the single information unit in the selection of the information unit, and further comprising: Is obtained by selectably configure all the information units are classified collectively.

[0016] Thus, all information units classified into the specific information section can be selected without performing an operation of selecting each information unit, and the labor of the operation can be saved.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, there is provided an information unit in which information including acoustic information is constituted by arbitrary time units, and an information division in which a plurality of the information units are a higher division unit. A playback device that plays back a recording medium that has recorded therein management information that can be classified and managed, comprising: a playback unit that can play back the information unit and the management information from the recording medium; Management information storing means for storing, selecting means for selecting a plurality of information units from the information units recorded on the recording medium based on the stored management information, and reproducing the selected plurality of information units Control means for controlling the reproducing means so that the selecting means can select a single information unit in the selection of the information unit and all information classified into a specific information section. The playback device is characterized in that the units are configured to be collectively selectable, and without performing an operation of selecting each individual information unit, all information units classified into the specific information section are performed. Can be selected, and the trouble of operation can be saved.

According to a second aspect of the present invention, in the reproducing apparatus according to the first aspect, the selecting means selects an information section in advance in selecting an information unit based on management information stored in the management information storage means. Then, an option for each information unit individually selecting information units classified into the selected information section and an option for selecting all information units classified into the selected information section can be selected. The operation for selecting all the information units classified into the selected information section can be selected by the same operation as the operation for selecting each individual information unit, and the selected It is not necessary to provide an operation means such as a dedicated operation button for an operation of selecting all information units classified into the information section.

According to a third aspect of the present invention, in the reproducing apparatus according to the second aspect, when the number of the information units classified into the selected information division is n, The option for each information unit is set to a number from 1 to n corresponding to the individual information unit, and the option for selecting all the information units is set to a number of 0 or n + 1. The unit is selectable, and the option for selecting all the information units can be selected by increasing or decreasing the number, similarly to the option for selecting each information unit.

According to a fourth aspect of the present invention, there is provided the playback apparatus according to the third aspect, further comprising a display unit, wherein the display unit displays the number when the number of the option is 1 or more and n or less, When the number of the option is 0 or n + 1, it is configured to display a character, a symbol, or a graphic indicating that the option is to select all information units classified into the selected information section, The option for selecting all the information units is displayed as a character, a symbol, or a graphic indicating the option instead of the number in an exceptional manner, so that the option can be recognized.

An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a block diagram of a reproducing apparatus according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a disc on which tracks (not shown) on which acoustic information and the like are recorded and management information (not shown) on which a plurality of tracks can be classified into groups and managed. Here, the term "track" is an information unit in which information including acoustic information is composed of arbitrary time units, such as music, natural environment sounds, drama and performing arts, broadcast and news, language, etc. Information including audio information, such as for educational use or for recording in the science and technology field, is configured in units of arbitrary time, which is the time from the start to the end of reproduction of the information. The “group” is a higher-level unit that can manage a plurality of information units by classifying them. If a track is compared to a file of computer information, a group corresponds to a directory. "Management information" is information recorded on a recording medium as information for classifying and managing information units into information divisions. Each track is assigned a continuous track number for each group to be divided, and is assigned to each group. Are recorded on the disc 1 as information to be managed with a continuous group number.

Reference numeral 2 denotes a reproducing unit for reproducing information units and management information from a recording medium, and reproduces audio information and management information of tracks from the disk 1. Playback part 2
Is controlled by a spindle motor 21 for rotating the disk 1, an optical pickup 22 for reproducing the recorded contents of the disk 1, a signal processing unit 23 for processing the output of the optical pickup 22, a control of the system control unit 4 and an output of the signal processing unit 23. It comprises a playback control unit 24 for controlling the playback of the disc 1.

Reference numeral 3 denotes a decoder unit, which decodes the management information of the disc 1 reproduced by the reproducing unit 2 into a signal recognizable by the system control unit 4, and decodes the audio signal of the track into a digital audio signal. Also,
When a video signal is recorded on a track of the disk 1 together with an audio signal, this is decoded into a digital video signal.

Reference numeral 4 denotes a system control unit to be described later, and reference numeral 5 denotes a storage unit, which comprises a management information storage unit 51 for storing management information reproduced from the disk 1, and a program storage unit 52 for storing a program to be described later. Reference numeral 6 denotes a display unit controlled by the system control unit 4. 8 is a light receiving unit, 7
Denotes a remote operation unit. The remote operation unit 7 emits infrared light in response to a user operation, and the light receiving unit 8 receives the infrared light and outputs it to the system control unit 4.

When the disk 1 is set in the reproduction unit 2, the system control unit 4 controls the reproduction unit 2 to reproduce the management information of the disk 1 and store it in the management information storage unit 51. Based on the stored management information, the system control unit 4 accepts a user operation of the remote operation unit 7 that the light receiving unit 8 receives, and displays a corresponding display on the display unit 6. The user operates the remote operation unit 7 according to the display on the display unit 6 and
A plurality of tracks can be selected from the tracks recorded in the. The system control unit 4 causes the program storage unit 52 to store a plurality of tracks selected by the user as a program. When the user operates the remote operation unit 7, the system control unit 4 causes the reproduction unit 2 to reproduce a plurality of tracks stored in the program storage unit 52.
Control.

FIG. 2 shows the details of the display unit 6 and the remote control unit 7. FIG. 2 is an explanatory diagram of the display unit 6 and the remote operation unit 7 in the playback device of FIG. FIG. 2A is an explanatory diagram of the display unit 6, where 61 is a program number, 62
Is a group number, and 63 is a track number. FIG.
(A) shows an example of a state in which an option to select all the tracks included in the group number 2 at the same time is selected while the program number 2 is being input.

FIG. 2B is an explanatory diagram of the remote control unit 7. 71 to 74 are cursor keys, 71 is an up key,
72 is a down key, 73 is a right key, and 74 is a left key. 7
5 is an Ent key, 76 is a play key, 77 is a stop key, 7
8 is a Prg key. The cursor keys 71 to 74 are keys for changing selection items or changing options in a program operation for selecting a plurality of tracks from the tracks recorded on the disk 1. The Ent key 75 is a key for performing an operation of determining a current option in a selection item. The play key 76 and the stop key 77
A key for playing and stopping a plurality of tracks stored in the program storage unit 52. The Prg key 78 is a key for starting a program operation for selecting a plurality of tracks from the tracks recorded on the disk 1.

Next, a program operation for selecting a plurality of tracks from the tracks recorded on the disk 1 will be described with reference to FIG. FIG. 3 is a flowchart relating to a program operation of the system control unit 4 in the reproducing apparatus of FIG. 1, FIG. 4 is a flowchart following FIG.
Is a flowchart following FIG.

As described above, when the disk 1 is set in the reproducing unit 2, the system control unit 4 controls the reproducing unit 2 to reproduce the management information of the disk 1 and store it in the management information storage unit 51. Thereafter, the user operates the Prg key 7
By pressing 8, a program operation for selecting a plurality of tracks from the tracks recorded on the disk 1 is started. When the program operation is started, the system control unit 4 starts step S1.

In step S1, the initial values of the program number, group number and track number are each set to 1, and the process proceeds to the next step S2. In step S2, the program number and the group number are lit on the display unit 6, but the track number is not displayed at this stage, and the process proceeds to the next step S3. 3 to 5, the program number is the P value, the group number is the G value, and the track number is T.
Expressed as a value. Further, “display on” for the display unit 6 is simply referred to as “display”. In step S3, it is determined whether the Ent key 75 has been pressed. If the key has not been pressed, the process proceeds to step S4.
Go to 5. In step S4, it is determined whether or not the contents are stored in the program storage unit 52. If not, the process returns to step S3.
Proceed to 2. In step S5, the currently selected program number is determined, and the flow advances to the next step S6.

In step S6, the program number and the track number are displayed on the display section 6, the group number is blinked, and the flow advances to the next step S7. In step S7, a group number is selected using the up key 71 and the down key 72. If neither the up key 81 nor the down key 72 has been pressed, the process proceeds to the next step S8. In step S7, the number as an option of the group number is increased or decreased using the up key 71 and the down key 72 based on the display on the display unit 6. At this time, based on the management information stored in the management information storage unit 51, the display on the display unit 6 and the upper side are displayed so that a group number equal to or larger than the number of groups recorded on the disc 1 and a group number smaller than 1 cannot be selected. The reception of the operation of the key 71 and the down key 72 is controlled. Since the control regarding the selection of the group number in step S7 is a known technique, a detailed flow will not be described. In step S8, Ent
It is determined whether the key 75 has been pressed. If the key 75 has not been pressed, the process proceeds to step S9. If the key 75 has been pressed, the process proceeds to step S11. In step S9, it is determined whether or not the left key 74 has been pressed.
Returning to step S7, if the button has been pressed, the process proceeds to step S10. In step S10, the currently determined program number is canceled, and the process returns to step S2. In step S11, the currently selected group number is determined, and the process proceeds to the next step S12.

In step S12, the program number and the group number are displayed on the display unit 6, the track numbers are displayed in a blinking manner, and the flow advances to the next step S13. Step S
At 13, it is determined whether or not the up key 71 has been pressed. If it has not been pressed, the process proceeds to step S14, and if it has been pressed, the process proceeds to step S18. In step S14, it is determined whether the down key 72 has been pressed. If the down key 72 has not been pressed, the process proceeds to step S15. If the down key 72 has been pressed, the process proceeds to step S21. In step S15, it is determined whether the track number is 0. If the track number is not 0, the process proceeds to step S16, and if it is 0, the process proceeds to step S24. Step S16
Then, it is determined whether the Ent key 75 has been pressed. If the key has not been pressed, the process proceeds to step S17. If the key has been pressed, the process proceeds to step S25. In step S17, it is determined whether or not the left key 74 has been pressed. If the left key 74 has not been pressed, the process returns to step S13. If the left key 74 has been pressed, the process proceeds to step S31.

In step S18, it is determined based on the management information in the management information storage unit 51 whether or not the selected track number of the determined group number is the maximum value. If not, the process proceeds to step S19. If it is the maximum value, the process proceeds to step S20. In step S19, the track number is incremented by 1, and the process proceeds to step S16. Step S2
If it is 0, the track number is set to 0 and the process proceeds to step S24.

In step S21, it is determined whether or not the track number is 0.
If not, the process proceeds to step S23. In step S22, the track number is set to the maximum value in the group based on the management information in the management information storage unit 51, and the process proceeds to step S16. In step S23, the track number is decremented by 1, and the process proceeds to step S15. In step S24, the display unit 6
Is displayed as "ALL" in step S1.
Proceed to 6.

In step S25, it is determined whether or not the track number is 0.
If not, the process proceeds to step S26. In step S26, the contents of the program number are determined by determining the currently selected track number. When the content of the program is determined, the determined program content, that is, the program number, group number, and track number are stored in the program storage unit 52, the program number is incremented by 1, and the process returns to step S2.

In step S27, the track number is changed to 1, and the flow advances to step S28. In step S28,
The track number is determined. The determined program contents, that is, the program number, the group number, and the track number are stored in the program storage unit 52, the program number is incremented by 1, and the process proceeds to step S29. In step S29, it is determined whether the track number is the maximum value based on the management information in the management information storage unit 51. If not, the process proceeds to step S30.
Return to In step S30, the track number is incremented by one, the track number is determined, the contents of the program are determined, and the process returns to step S28. As described above, when the track number is 0, the track in the current group number is set to 1
All the tracks are sequentially stored as a program in the program storage unit 52 up to the maximum value. At this time, it is characterized in that the individual program numbers are stored in the program storage unit 52 for each track number. In step S31, the group number already determined is canceled, and the process returns to step S6.

The program contents are stored in a program storage unit 5
2 and returns to step S2 to reach step S4, the determination result as to whether the program contents are stored in the program storage unit 52 is different from that immediately after the initial setting. As described above, in step S4, it is determined whether or not the contents are stored in the program storage unit 52. If not, the process returns to step S3.
Proceed to. In step S32, it is determined whether the reproduction key 76 has been pressed. If the reproduction key 76 has been pressed, the process proceeds to step S33. If the reproduction key 76 has not been pressed, the process proceeds to step S34. If the reproduction key 76 has been pressed, the process proceeds to step S33. Step S33
Then, based on the contents of the program storage unit 52, the reproduction unit 2
To start playback. When all the program contents have been reproduced in order from the contents of program number 1, the process returns to step S3.

In step S34, a program number is selected using the up key 71 and the down key 72. If neither the up key 71 nor the down key 72 is pressed,
Proceed to the next step S35. In step S34, the number which is an option of the program number is increased or decreased using the up key 71 and the down key 72 based on the display on the display unit 6. At this time, based on the contents stored in the program storage section 52, the display number on the display section 6 is selected so that a program number larger than 2 and a program number smaller than 1 than the number of programs stored in the program storage section 52 cannot be selected. And up key 7
1 and the down key 72 are controlled to be accepted. Step S3
Since the control related to the selection of the program number of No. 4 is a known technique, a detailed flow will not be described. Step S
At 35, it is determined whether the right key 73 has been pressed. If the right key 73 has not been pressed, the process returns to step S3. If the right key 73 has been pressed, the process proceeds to step S36.

In step S36, the specific display contents for prompting the user to confirm whether or not to delete the program on the display unit 6 include, for example, "P.
"1 Clear" is displayed, and the process proceeds to step S37. In the step S37, it is determined whether or not the Ent key 75 is pressed, and if not, the process proceeds to a step S38,
If the button has been pressed, the process proceeds to step S39. Step S3
At 8, it is determined whether or not the left key 74 has been pressed. If it has not been pressed, the process returns to step S36. If it has been pressed, the process returns to step S2. In step S39, it is determined whether the currently selected program number is the largest number among the programs stored in the program storage unit 52, and if not, the process proceeds to step S40.
If it is the maximum number, the process proceeds to step S41. Step S
At 40, the program of the currently selected program number is deleted from the programs stored in the program storage unit 52. At this time, the program numbers higher than the deleted program number are incremented by one so that the deleted program number does not become a missing number.
Return to 6. In step S41, it is determined whether the currently selected program number is 1. If it is not 1, the process proceeds to step S42. If it is 1, the process proceeds to step S43.
In step S42, the program of the currently selected program number is deleted from the programs stored in the program storage unit 52. At this time, the currently selected program number is decremented by 1, and the process returns to step S36. In step S43, the program of the currently selected program number is deleted from the programs stored in the program storage unit 52, and the process returns to step S2.

As described above, the program operation for selecting a plurality of tracks from the tracks recorded on the disk 1 is controlled. Subsequently, the program operation will be described with a specific example.

FIG. 6 is an explanatory diagram of a program stored in the program storage section 52 of FIG. FIG.
In (c), the numbers written in the program number column are program numbers, the numbers written in the group number column are group numbers, and the numbers written in the track number columns are track numbers.

First, the operation is started by pressing the Prg key 78. At this time, an initial value of 1 is displayed for the program number and an initial value of 1 is displayed for the group number. When the Ent key 75 is pressed, the display of the program number 1 remains unchanged, the group number 1 changes to a blinking display, and the display of the track number 1 is added. As a result, program number 1 is determined,
It can be confirmed that the group number has been selected. Pressing the up key 71 changes the group number to 2. When the upper key 71 is pressed again, the group number changes to 3. When the Ent key 75 is pressed, the display of the program number 1 remains unchanged, and the group number 3 returns to the lighting display,
The track number 1 changes to a blinking display. As a result, the group number 3 is determined, and it can be confirmed that the track number has been selected. Pressing the up key 71 changes the track number to 2. When the Ent key 75 is pressed, the display of the group number is not changed, the program number is changed to 2, and the track number is not displayed. As a result, track number 2 of group number 3 is fixed to program number 1,
It can be confirmed that the information is stored in the program storage unit 52.
As a result, the program storage unit 52 stores the program contents shown in FIG.

When the Ent key 75 is pressed, the display of the program number 2 remains unchanged, the group number 3 changes to a blinking display, and the display of the track number 1 is added. Pressing the down key 72 changes the group number to 2. Ent
When the key 75 is pressed, the group number 2 returns to the lighting display, and the track number 1 changes to the blinking display. Pressing the up key 71 changes the track number to 2. Up key 7 again
Pressing 1 changes the track number to 3. When the upper key 71 is further pressed, the track number changes to "ALL". When the Ent key 75 is pressed, the display of the group number 2 is not changed, the program number is changed to 5, and the track number is not displayed. As a result, the track number 1 of the group number 2 is determined as the program number 2, the track number 2 of the group number 2 is determined as the program number 3, the track number 3 of the group number 2 is determined as the program number 4, and stored in the program storage unit 52. Can be confirmed. As a result, the program storage unit 52 stores the program contents shown in FIG.

When the up key 71 is depressed at this time, the program number changes to 4, and the group number 2 and the track number 3 are displayed. Pressing the up key 71 again changes the program number to 3, group number 2 and track number 2
Is displayed. At this time, if the right key 73 is pressed,
The display changes to “P.3 Clear”. And Ent
When the key 75 is pressed, a program number 3, a group number 2, and a track number 3 are displayed. As a result, the program number 3 is deleted, and it can be confirmed that the group number 2 and the track number 3 which were previously the program number 4 were rewritten to the program number 3 and stored in the program storage unit 52. As a result, the program storage unit 52 stores the program contents shown in FIG.

At this time, when the reproduction key 76 is pressed, the program is read from the program storage section 52 and the reproduction section 2 is read.
Starts the reproduction of the track number 2 of the group number 3 of the disk 1. After the end of the track reproduction, the track number 1 of the group number 2 of the program number 2 and the track number 3 of the group number 2 of the program number 3 are reproduced. In this way, each track of the disc 1 is reproduced as programmed by a series of operations.

As described above, according to the present embodiment, all the tracks in the same group can be selected without performing the operation of selecting each individual track, and the labor of the operation can be reduced. The option to select this whole track is
As with the choice of the track number for selecting each individual track, the selection can be made by pressing the up key 71 or the down key 72 to increase or decrease the track number. No operation means such as the above is required, and the option for selecting all the tracks is displayed as "ALL" instead of the track number, so that this can be recognized.

If there are 10 tracks in the same group and 8 tracks are to be programmed, 10 tracks are programmed in advance by selecting "ALL", and then the unnecessary 2 tracks are selected. Since the programs to be executed can be deleted, it is possible to save labor of operation as compared with the case where eight programs are individually executed.

[0049]

As described above, according to the present invention, all information units classified into a specific information section can be selected without performing an operation of selecting each individual information unit, and the operation is troublesome. Can be omitted.

[Brief description of the drawings]

FIG. 1 is a block diagram of a reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a display unit and a remote operation unit in the playback device of FIG. 1;

FIG. 3 is a flowchart relating to a program operation in the system control unit of FIG. 1;

FIG. 4 is a flowchart following FIG. 3;

FIG. 5 is a flowchart following FIG. 4;

FIG. 6 is an explanatory diagram of a program stored in a program storage unit of FIG.

FIG. 7 is a block diagram of a conventional reproducing apparatus.

FIG. 8 is an explanatory diagram of a remote operation unit in FIG. 7;

FIG. 9 is a flowchart relating to a program operation of the system control unit in FIG. 7;

[Explanation of symbols]

 1 Disc 2 Playback unit 4 System control unit 51 Management information storage unit 6 Display unit 71 Up key 72 Down key 73 Right key 74 Left key 75 Ent key

Continued on the front page F term (reference) 5D077 AA26 BA14 CA02 DC01 DC16 DC39 EA34 5D110 AA15 AA27 DA01 DA11 DB03 DC05 DE02 DE06

Claims (4)

[Claims] 1. A record in which information including acoustic information is recorded in arbitrary time units and management information in which a plurality of said information units are classified into upper-level information units and can be managed. A reproducing apparatus for reproducing a medium, comprising: a reproducing unit capable of reproducing the information unit and the management information from the recording medium; a management information storage unit storing the reproduced management information; and the stored management information. Selecting means for selecting a plurality of information units from the information units recorded on the recording medium based on the, and control means for controlling the reproduction means to reproduce the selected plurality of information units, The selecting means may be configured such that a single information unit can be selected in the selection of the information unit, and all information units classified into a specific information section can be selected collectively. Characteristic playback device. 2. The information processing apparatus according to claim 1, wherein the selection unit selects an information section in advance in selecting an information unit based on the management information stored in the management information storage unit, and individually selects an information unit classified into the selected information section. 2. The reproduction apparatus according to claim 1, wherein the reproduction apparatus is configured to be selectable from an option for each information unit to be selected and an option to select all information units classified into the selected information section. 3. When the number of information units classified into the selected information section is n, the selection unit changes the option for each of the individual information units from 1 to n corresponding to the individual information unit. 3. The reproducing apparatus according to claim 2, wherein the option for selecting all the information units is set to a number of 0 or n + 1, and a desired information unit can be selected by increasing or decreasing the number of the option. 4. A display unit, wherein the display unit displays the number of the option when the number is 1 or more and n or less, and displays the selected information when the number of the option is 0 or n + 1. 4. The reproducing apparatus according to claim 3, wherein a character, a symbol, or a graphic indicating that the information unit is an option for selecting all information units classified into the categories is displayed.