JPH05128814A - CD-ROM reader - Google Patents

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a CD-ROM reading device which can select a music piece by a simple procedure when selecting a movement number on a music CD. [Structure] The number display section 6 displays the movement number on the touch panel 3, and the detected function section 7 detects the reproduced movement and reproduces it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CD-ROM reader having a function of displaying all or a part of movement numbers existing in a CD and reproducing the selected movement number.

[0002]

2. Description of the Related Art At present, a CD-ROM is attracting attention as a multimedia for handling media such as text data, voice data and image data.

The physical format of a CD-ROM is C
The format is the same as that of D, and it is general that the CD-ROM reading device also has a function of playing a music CD. When playing a music CD on a CD-ROM, the operation is often the same as that of an existing CD player.

The CD player has buttons 0 to 9 (in addition to these, 10 buttons in some cases), and it is possible to select a movement number to be reproduced by using these buttons. That is, when the movement number 12 is to be reproduced, the 1 button is pressed, the 2 button is pressed, and the play button is pressed. If you make a mistake in the input, start over. In this way, it is 1 when the one-digit movement number is specified.
The operation can be completed by pressing two number keys, but it is necessary to press two number keys when specifying a 2-digit movement number.
As the number of keys to be pressed increases, the possibility of input errors increases, which has caused usability.

[0005]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
In the D-ROM reading device, when the movement number is designated, the key operation is complicated and there is a problem that an error is likely to occur. In addition, when an error occurs, it is necessary to start over from the beginning, and there is a problem that the usability is poor.

The present invention solves the above problems, and an object of the present invention is to provide a CD-ROM reading device in which movements can be easily selected.

[0007]

In order to achieve the above object, the present invention has a judgment function for judging whether the number of movement numbers in a CD exceeds a certain value and a number display function for displaying movement numbers. And a scroll display function for displaying the up and down scroll keys, an input function for detecting a signal by the touch panel, and a detect function for detecting a change in the movement number during reproduction.

[0008]

According to the present invention, with the above construction, the movement number is displayed by the judgment function and the number display function when the music CD is set. If the judgment function determines that the movement number is less than or equal to a certain value, all movement numbers are displayed. If the number exceeds the certain value, the movement number for the certain value is displayed. When some movement numbers are displayed, the scroll display function also displays the up and down scroll keys. Input the movement number instruction or scroll instruction using the input function. When the movement number is instructed, the processing for starting the reproduction of the designated movement number is performed. If you are instructed to scroll, change the display of the movement number.
In addition, when a part of the movement number is displayed, the value of the movement number being played is detected by the detect function, and when the number of the movement number deviates from the range of the movement number being displayed, the movement number is displayed by the number display function. Change the number display.

[0009]

【Example】

(Embodiment 1) FIG. 1 shows a first embodiment of a CD-ROM reader according to the present invention. This device comprises an interface unit 1 and a CD control unit 2.

The CD control section 2 identifies the type of CD (identification of a CD containing music or a CD containing data),
It has a function to play and stop the CD.

The interface unit 1 detects various operations such as a play button, a fast-forward button and a stop button on the touch panel 3, and various operations such as playing, fast-forwarding and stopping a music CD through the touch panel. An operation detection unit 4 for performing the operation, a number display unit 6 for displaying the movement number on the touch panel 3, and a detect function unit 7 for receiving the movement number via the touch panel. Further, the operation detection unit 5 has a signal input / output function with the CD control unit 2.

When the CD is set, the CD controller 2 determines the contents of the CD and notifies the operation detector 4 of the contents. Operation detector 4
When a CD having data is set, the operation display unit 5 is requested to perform processing so that a display corresponding to the content is set, and the processing proceeds. The processing when a CD having data is set is not related to the present invention and will be omitted. When a CD containing music is set, the operation detection unit 4 requests the operation display unit 5 and the number display unit 6 to perform processing for displaying music. The operation display unit 5 displays a play button, a stop button, a fast-forward button, a stop button, and a volume control button on the touch panel 3. When performing additional services, a repeat button and a random button are displayed.
Further, when the number display unit 6 is requested by the operation detection unit 4 to display, the number display unit 6 inquires of the CD control unit 2 about the number of movement numbers in the CD. Numbers are displayed on the touch panel 3 by the number of the responses (the number of movement numbers). Following these displays, it waits for an operation instruction from the user. When the operation detection unit 4 detects that each button is pressed, it requests the CD control unit 2 to perform a process according to the process. For example, when the play button is pressed and the CD is in the stopped state, the CD control unit 2
In response to the request, the start of reproduction is requested, and if the CD is in the reproducing state, the CD controller is requested to change the pause.

When the detect function unit 7 detects that the number displayed by the number display unit 6 has been pressed, the detect function unit 7 instructs the CD control unit 2 to start the movement number of the pressed number. Ask for a seek. When the seek operation is completed, the detect function unit 7 causes the CD control unit 2 to operate.
Ask for playback.

According to the first embodiment described above, since the interface section having the function of displaying the movement number in the CD on the touch panel and the function of detecting the movement number via the touch panel is provided, the detected movement is detected. You can start playing from the number.

(Embodiment 2) In the case of FIG. 1, it is assumed that all movement numbers in the CD can be displayed on the touch panel 3, but there is a possibility that all movement numbers cannot be displayed depending on the size of the touch panel 3. There is. A second embodiment which deals with this case is shown in FIG.

In addition to the functions shown in FIG. 1, FIG. 2 shows a number comparison unit 29 for comparing the number of movement numbers existing in the CD with the number that can be displayed on the touch panel, and scroll buttons for up and down. A scroll display unit 28 having a function is added. When the number display section 26 inputs the number of movement numbers in the CD from the CD control section 2, the number display section 26 inputs the number of movement numbers into the number comparison section 29 and determines whether the number is larger or smaller than the displayable number. If there are more movement numbers than can be displayed,
Only the displayable portion is displayed on the touch panel 3, and the scroll display unit 28 is requested to display the upper and lower scroll buttons. In addition to the movement number, the detect function unit 27 also has a function of detecting that the scroll button is pressed. When the scroll button is pressed, the circumference of the movement number to be displayed is changed according to the scroll direction. It is also possible to specify the movement number that was not displayed initially by the scroll button.

In addition to the functions of the first embodiment, the second embodiment described above is provided with a scroll display section, and a movement that could not be displayed on the touch panel can be displayed and reproduced by scrolling.

(Embodiment 3) FIG. 3 has a number change detecting section 37 having a function of detecting a change of a movement number being reproduced, as a function not present in FIG. This number change detection unit 3
7 has a function of holding the movement number, a function of detecting the movement number of the movement currently being reproduced from the CD control unit 2, and a function of comparing the detected movement number with the movement number holding the movement number. Detect changes in. When a change is detected, the changed movement number is notified to the number display section 36, and the changed movement number is held in the area for holding the movement number. The number display section 36 that has received the change in movement number checks whether the notified movement number is currently being displayed. If the movement number is being displayed, nothing is done. If it is not being displayed, the notified movement number is currently displayed. It is determined whether it is larger or smaller than the movement number in the middle, the movement number displayed in the direction corresponding to the size is adjusted, and the movement number notified is adjusted when it enters the movement number displayed. Stop and display the movement number on the touch panel.

In addition to the second embodiment, the third embodiment is provided with a number change detecting section and can display the movement number currently being played.

[0020]

As is apparent from the above embodiments, according to the present invention, when it is desired to directly specify a movement number, the selection operation can be completed simply by pressing the movement number displayed on the touch panel, and the operation can be performed without error. It is possible to provide a CD-ROM reading device that can do this.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a CD-ROM reader according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a CD-ROM reading device according to a second embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a CD-ROM reading device according to a third embodiment of the present invention.

[Explanation of symbols]

 1 Interface Section 2 CD Control Section 3 Touch Panel 4 Operation Detection Section 5 Operation Display Section 6, 26, 36 Number Display Section 7, 27 Detect Function Section 28 Scroll Display Section 29 Number Comparison Section 37 Number Change Detection Section

Claims (3)

[Claims] 1. A CD for reading a signal recorded on a CD
In a CD-ROM reading device including an access function, a voice decoding unit that decodes a voice signal recorded on a CD, and an interface unit that realizes signal input / output with a user, the interface unit includes a touch panel. It has a function of inputting / outputting a signal via the touch panel, a function of displaying the movement number in the music CD on the touch panel, and a function of detecting the movement number via the touch panel, and the reproduction is started from the detected movement number. CD-ROM reader. 2. The interface unit has a function of determining whether or not the movement number in the music CD exceeds the value 1, and a CD.
If the movement number in the middle exceeds the value 1, the movement number is displayed for the value 1, and the function to display the up and down scroll keys, and when the up or down scroll key is pressed, 2. The CD according to claim 1, further comprising a function of changing the displayed movement number according to the scroll key
A ROM reader. 3. The CD-ROM according to claim 2, wherein the interface section has a function of detecting a change in the movement number during reproduction and a function of changing the display of the movement number on the touch panel according to the change in the movement number. Reader.