JPH05250418A - Disk reproducing device - Google Patents

Abstract

PURPOSE:To obtain a disk reproducing device capable of recognizing a hierarchical number without writing the hierarchical number on a menu screen by displaying the hierarchical number of the menu screen as a cursor. CONSTITUTION:A data reading means 20 reads initial menu data 9, and an initial menu screen is generated by a menu display means 13. The initial menu data 9 are inputted to a hierarchical number deciding means 15, as well, and a hierarchical number of the menu screen is decided. Since the menu data are initial menu, the hierarchical number is decided as (1). The hierarchical number (1) of the menu screen is delivered to a cursor display means 18, and a cursor display screen of the hierarchical number (1) is generated. A screen synthesizing means 14 superposes the cursor display screen of the hierarchical number (1) on the initial menu screen, and synthesizes two screens. From a screen switching means 11, the screen formed by superposing the cursor display screen of the hierarchical number (1) on the initial menu screen is outputted to an image output terminal 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus capable of retrieving desired data by recording data such as images and sounds on one disc and selecting a menu on a menu screen with a cursor. ..

[0002]

2. Description of the Related Art In recent years, with the spread of compact discs and the like, discs on which not only music but also image data and the like are recorded have been used, and demands for more advanced usage are increasing.

FIG. 4 shows a block diagram of a conventional disc reproducing apparatus. Reference numeral 2 is an optical pickup for extracting the reproduction signal 3 from the disc 1, and 4 is audio data 5, which processes the reproduction signal 3.
Signal processing means for separately outputting image data 8, menu data 9 and management information 22, 6 is audio data output means for converting the audio data 5 into an analog audio signal and outputting it from the audio output terminal 7, 10 is one of the image data 8. Image data output means for generating and outputting the image signal of the screen, 11 is a screen switching means for switching between the image data screen and the menu screen and outputting from the image output terminal 12, and 13 is for generating the menu data 9 in the one-screen menu screen. And a menu display means 14 for outputting the same, a screen synthesizing means 14 for synthesizing and outputting a cursor screen on the menu screen, and 16 a menu data 9 and an input means 1.
Cursor position control means for determining the position of the cursor from the position information 23 input from 7, 17 is input means for inputting the cursor position information 23 and menu item execution command 24, 18 is cursor display for displaying the cursor Reference numeral 19 denotes a management information storage means in which management information including a file number of data and a recording address is recorded.
When 0 receives the execution command 24 of the menu item, it calculates the address of the data to be read from the cursor position from the cursor position control means 16 and the management information stored in the management information storage means 19, and issues a drive command to the optical pickup drive means 21. Data reading means for outputting, 21 is an optical pickup 2
An optical pickup driving means for moving the disk from the inner circumference to the outer circumference of the disk 1, and 25 is an initial setting means for performing an initial operation of reading management information and the like in advance before reading data.

The reproducing operation of the conventional disc will be described. FIG. 5 shows a flowchart when the disc is reproduced by the disc reproducing apparatus.

Set the disc in the disc reproducing device,
Turn on the power. The initial setting means 25 is the data reading means 2
A command is given to 0 to perform the initial setting operation. The data reading means 20 moves the optical pickup 2 to the inner circumference and reads the management information recorded on the inner circumference of the disc 1 (step 31). The reproduction signal 3 output from the optical pickup 2 is processed by the signal processing means 4, and the management information 22 is output to and stored in the management information storage means 19. Further, the data reading means 20 reads the initial menu data (step 32) and connects the screen switching means 11 to the b terminal side.
The read initial menu data 9 is the menu display means 1
In step 3, an initial menu screen is generated (step 33). The cursor display means 18 generates a cursor display screen (step 44). The screen synthesizing means 14 superimposes the cursor display screen on the initial menu screen to synthesize two screens (step 36). The screen switching means 11 is connected to the terminal b side, and the screen in which the cursor display screen is superimposed on the initial menu screen is output to the image output terminal 12.

Here, as shown in FIG. 6, the menu screen is made up of N layers, and the menu screen has a layer number. When the cursor is selected on the menu screen of the Nth layer, the target menu or data is read and output.

Cursor position information 23 from the input means 17
When the cursor is input, the cursor position control means 16 determines the cursor position on the menu screen and outputs the position information to the cursor display means 18. The cursor display means 18 moves and displays the cursor at a position corresponding to the position information of the cursor (step 37).

When the cursor is moved to the target menu item position, the execution command 24 for the target menu item is input from the input means 17 (step 38). When the data reading means 20 receives the execution command 24 from the input means 17, the cursor position control means 16 calculates an address corresponding to the cursor position information from the management information stored in the management information storage means 19. If the layer number is not N (step 39), the data reading means 20 reads the menu data again (step 32). The read data is the menu data of the second layer and the menu screen is displayed together with the cursor display of the numeral of 2. If the hierarchical number of the menu screen is N (step 39), the data reading means 20
Reads the data for the final purpose and sets the image switching means 11 to a.
Switch to the terminal side. The reproduction signal 3 output from the optical pickup 2 is processed by the signal processing means 4, and the audio data 5
And image data 8 are separately output. At the same time that the audio signal is output from the audio output terminal 7, the image signal is output from the image output terminal 12 (step 40).

[0009]

In such a conventional configuration, when searching for data on menu screens over many layers, if the hierarchy number is written on the menu screen, the search can be performed easily. It was necessary to write the layer number on the menu screen of, making the creation of the menu screen data complicated.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a disc reproducing apparatus capable of easily displaying a layer number on a menu screen.

[0011]

In order to solve the above-mentioned problems, the disc reproducing apparatus of the present invention determines a menu screen displaying means for displaying a menu screen composed of N layers and a hierarchy number of the menu screen. And a cursor display means for selecting and instructing a menu on the menu screen and displaying the hierarchy number of the menu as a cursor.

[0012]

The present invention has the above-described structure and provides a disc reproducing apparatus capable of recognizing a layer number without writing the layer number on the menu screen.

[0013]

1 is a block diagram showing the configuration of a disc reproducing apparatus according to an embodiment of the present invention. 2 is disk 1
An optical pickup 4 for taking out the reproduction signal 3 from the signal processing means 4 processes the reproduction signal 3 and outputs the audio data 5, the image data 8, the menu data 9 and the management information 22 separately.
Is an audio data output means for converting the audio data 5 into an analog audio signal and outputs it from the audio output terminal 7, 10 is an image data output means for generating and outputting the image data 8 into an image signal of one screen, and 11 is an image data screen. Screen switching means for switching between the menu screen and the menu screen, and outputting from the image output terminal 12.
Reference numeral 3 is a menu display means for generating and outputting the menu data 9 on a one-screen menu screen, 14 is a screen combining means for combining and outputting the cursor screen on the menu screen, and 15 is the menu data 9 for determining the menu hierarchy number. Hierarchy number determination means for sending to the cursor display means 18, 16 for cursor position control means for determining the position of the cursor from the menu data 9 and the position information 23 input from the input means 17, 1
Reference numeral 7 is an input means for inputting cursor position information 23 and a menu item execution command 24, 18 is cursor display means for receiving the information of the hierarchy number of the menu from the hierarchy number judging means 15, and displaying the cursor at the hierarchy number, Reference numeral 19 is a management information storage means in which management information composed of a file number of data and a recording address is recorded, and 20 is a cursor position control means 1 when receiving an execution command 24 of a menu item.
Data reading means for calculating the address of the data to be read from the cursor position from 6 and the management information stored in the management information storage means 19 and outputting a drive command to the optical pickup driving means 21, reference numeral 21 denotes the optical pickup 2 of the disc 1. Optical pickup driving means for moving from the inner circumference to the outer circumference,
Reference numeral 25 is an initial setting means for performing an initial operation of reading management information and the like in advance before reading data.

The reproducing operation of the disc of the present invention will be described.
FIG. 2 shows a flowchart when the disc is reproduced by the reproducing apparatus.

A disc is set in the disc reproducing apparatus of the present invention, and the power is turned on. The initial setting means 25 gives an instruction to the data reading means 20 to perform an initial setting operation. The data reading means 20 moves the optical pickup 2 to the inner circumference,
The management information recorded on the inner peripheral portion of the disc 1 is read (step 31). The reproduction signal 3 output from the optical pickup 2 is processed by the signal processing means 4 and the management information 22.
Is output to and stored in the management information storage means 19. Further, the data reading means 20 reads the initial menu data (step 32) and connects the screen switching means 11 to the b terminal side. The read initial menu data 9 is used to generate an initial menu screen on the menu display means 13 (step 3).
3). The initial menu data 9 is also input to the layer number judging means 15 to judge the layer number of the menu screen (step 34). Since the menu data is the initial menu, it is determined that the layer number is (1). The layer number (1) of the menu screen is passed to the cursor display means 18 and the layer number (1)
The cursor display screen is generated (step 35). The screen synthesizing means 14 displays the hierarchy number (1) on the initial menu screen.
The cursor display screens are overlapped and the two screens are combined (step 36). The screen switching means 11 is connected to the terminal b side, and the screen in which the cursor display screen of the layer number (1) is superimposed on the initial menu screen is output to the image output terminal 12.

Here, as shown in FIG. 3, the menu screen is composed of N layers, and no hierarchy number is written on the menu screen.

When the cursor is selected on the menu screen of the Nth layer, the desired menu or data is read and output.

Cursor position information 23 from the input means 17
When the cursor is input, the cursor position control means 16 determines the cursor position on the menu screen and outputs the position information to the cursor display means. The cursor display means 18 moves and displays the cursor at a position corresponding to the position information of the cursor (step 37).

When the cursor is moved to the target menu item position, the execution command 24 for the target menu item is input from the input means 17 (step 38). When the data reading means 20 receives the execution command 24 from the input means 17, the cursor position control means 16 calculates an address corresponding to the cursor position information from the management information stored in the management information storage means 19. If the layer number is not N (step 39), the data reading means 20 reads the menu data again (step 32). The read data is the menu data of the second layer and the menu screen is displayed together with the cursor display of the numeral of 2. If the hierarchical number of the menu screen is N (step 39), the data reading means 20 reads the final purpose data and the image switching means 1
1 is switched to the a terminal side. The reproduction signal 3 output from the optical pickup 2 is processed by the signal processing means 4, and separated into audio data 5 and image data 8 and output. At the same time that the audio signal is output from the audio output terminal 7, the image output terminal 1
An image signal is output from 2 (step 40).

[0020]

As described above, according to the present invention, since the hierarchy number of the menu screen is displayed on the cursor, it is possible to display the hierarchy number on the menu screen even on the conventional menu screen without the hierarchy number. Is.

Since the layer number of the menu screen is shared with the cursor, it is not necessary to prepare a new display screen for displaying the layer number. Further, by providing the cursor display screen with a function capable of changing the color, color coding of the hierarchy number display of the second hierarchy has an advantage that the classification of the second hierarchy can be facilitated.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a disc reproducing apparatus according to a first embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation of the disc reproducing apparatus in the embodiment.

FIG. 3 is a schematic diagram showing a hierarchical structure of a menu in the embodiment.

FIG. 4 is a block diagram showing a configuration of a disk reproducing device in a conventional example.

FIG. 5 is a flowchart for explaining the operation of the disc reproducing apparatus in the conventional example.

FIG. 6 is a schematic diagram showing a hierarchical structure of a menu in the conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 disk 2 optical pickup 4 signal processing means 6 audio data output means 8 image data display means 11 image switching means 13 menu display means 14 screen synthesizing means 15 layer number judging means 16 cursor position control means 17 input means 18 cursor display means 19 management Information storage means 20 Data reading means 21 Optical pickup driving means 25 Initial setting means

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Claims (1)

[Claims] 1. A menu screen display unit for displaying a menu screen composed of N layers (N is a positive integer), a layer number determination unit for determining a layer number of the menu screen, and a menu on the menu screen. And a cursor display means for displaying a menu hierarchy number as a cursor.