JPH05217346A - Music device - Google Patents

Abstract

PURPOSE:To obtain a music device in which music can be decided with unexpected feeling and with high game performance by deciding a music number to be played by a random number. CONSTITUTION:Plural pieces of music data and the music number in accordance with each music data are recorded on a recording part, and a music selection switch 121 decides the music number, and also, a selected music number is displayed on a display part. Also, a roulette function to set a roulette flag at an on-state by depressing a start-stop button 122 when the music selection switch 121 is turned on is provided. When the roulette flag is turned ON, the music number is decided by the random number, and the music number is displayed on the display part, then, the music is played. Therefore, since the music can be selected at random, the music device without generating weariness and with high game performance can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio device, and more particularly to an audio device having improved playability when playing a track of a recording section which records a plurality of tracks.

[0002]

2. Description of the Related Art As an audio device for enjoying music, various devices such as a tape player and a record player have been conventionally known.

[0003]

However, these acoustic devices have a lack of playability because they simply play recorded music in sequence.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention displays a plurality of pieces of music data and a recording section recording the music numbers corresponding to the respective music data, a music selection switch for determining the music numbers, and the music numbers selected. And a display unit for displaying the music number, and after displaying the music number, in an audio device that performs music performance based on the music data of the displayed music number, the recorded music is randomly determined by determining the music number by a random number. (EN) Provided is an audio device which is rich in playability and has a high entertainment value, in which a music piece corresponding to the selected music piece can be played.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an infant cradle device having a built-in voice generating device using a 4-bit microcomputer as an audio device according to the present invention. The main body case 3 is composed of two upper and lower cases 1 and 2 made of synthetic resin such as styrene resin, ABS resin and polypropylene resin. The upper case 1 includes a speaker section 11, operating sections 12 and 13 as described later. A unit case 18 having the display unit 10 is mounted in an opening 19 formed on the diagonal P of the upper case 1. Above the upper case 1, a volume knob 5 having a power switch function having a recessed portion 6 is rotatably mounted, and a mounting portion 7 for a microphone 23 is formed laterally. Reference numeral 4 denotes a grip portion of the main body case 3.

As shown in FIG. 2, the unit case 18 has a sound emitting portion having a sound emitting hole formed of a plurality of fine holes at a position facing the speaker 28 and having a convex portion 11a protruding in a dome shape. The switch buttons 121, 122, 131, 13 mounted above the speaker unit 11 and the switch 27 of
Display opening 1 formed by opening a rectangular window portion 30 for mounting the switch openings 81, 82, 91, 92 for exposing the operation portions 12, 13 consisting of 2 and the display cover 16.
0 is formed respectively.

As described above, since the unit case 18 has a large number of perforations, it tends to be weak in strength. Therefore, in this embodiment, the unit case 18 is thinner than the body case 3 in thickness. It is preferable to use a synthetic resin having a large wall thickness or excellent strength, such as a polycarbonate resin or a glass fiber-containing fiber resin, or a metal as a material.

Especially for toys for infants, the main body case 3 is made relatively thin because it is necessary to reduce the weight, but in the present embodiment, the main body case is made of a thin synthetic resin, and partially, especially at the drilled portion. Since many parts with a large amount of strength are formed by the unit case 18 made of another member excellent in strength,
As a whole, it is a good one without significantly hindering weight reduction. Of course, since the unit case 18 is smaller than the main body case 3, its wall thickness is thin, and even if the inner surface is provided with reinforcing ribs in the direction of the diagonal P or in the form of a lattice, the sink mark peculiar to the resin on the surface of the case (Sink mark) is inconspicuous, and the entire case can be made lighter.

Reference numeral 48 designates the speaker 28 and the unit case 18
A pin 32 that is a pressing piece for mounting on the main body upper case 1 and a pin 32 that protrudes from the inner wall of the upper case 1 of the main unit case 18 and the hole 4 of the pressing piece 48.
8a is penetrated and the unit case 18 and the pressing piece 48 are fixed to the upper case 1 by means such as welding. Therefore, the speaker 28 whose peripheral portion 28a is pressed by the pressing piece 48 is also attached to the unit case.

Similarly, the pin 31 is inserted into the mounting portion 14 of the unit case 18 and welded to the unit case 1.
8 and the upper case 1 can be easily mounted. The case strength is further improved not only by such local welding and fixing but also by fixing the entire length along the periphery of the opening 19.

Further, the switch 2 described above is provided on the wiring board 38.
7, a plurality of pieces of music data are recorded as will be described later, and a function part 29 capable of performing music selection, music performance, tempo adjustment, pitch adjustment, etc. by pressing a switch 27 and a display element showing the current state of the function part 29. 101 and 102 are fixed to each other, and the speaker 2 is attached to the substrate 38.
8, an amplifier 51, an envelope forming circuit 50, a variable resistor operated by the volume knob 5, and the like are also electrically connected.

FIG. 3 is a view of the main body case 3 from the lower case 2 side, and the battery housing portion 20 is provided on the bottom surface side of the lower case 2.
Is formed so that the center of gravity of the entire case is lowered to prevent the case from falling over.
Reference numeral 0 also serves as an accessory storage portion such as a microphone connection cord 22 and a lyrics card 41, and these accessories 22, 41 and the battery 21 can be taken out by a battery lid 24 which can be freely opened and closed. Further, step-shaped cord lead-out portions 20a and 20b are formed on both sides of the battery storage portion 20.

The operation units 12 and 13 and the display unit 10 will be described in more detail with reference to FIG. 121,1
Reference numerals 22, 131, and 132 denote switch buttons that cover the normally open push-type switch 27. The buttons 121 and 122 have a substantially circular shape as the first operation portion, and the substantially triangular shape as the second and third operation portions. It is composed of buttons 131 and 132.
The switch buttons 121 and 131 are integrally formed of a flexible resin such as polyacetal resin or ABS resin by the thin and elastic leg portion 421, and the switch buttons 122 and 132 are integrally formed by the leg portion 422. Is formed in. The leg portions 421 and 422 can be replaced with an elastic thin steel plate such as a phosphor bronze plate or a stainless steel plate.

Substantially central portion 441 of the leg portions 421, 422
Each of the 442 is positioned and supported or fixed to a pin-shaped mounting portion (not shown) formed on the inner surface of the upper case, and the switch buttons 121, 122, 131, 132 are pressed by using this mounting portion as a fulcrum, so that the switch 27 is turned off. Open and close. The display unit 10 is a 7-segment LED display element 10.
It is configured by arranging two 1,102 side by side,
The function status of the main body is displayed. Function part 2 described above
As shown in FIG. 4, the numeral 9 is composed of a 4-bit microcomputer and a ROM as a recording unit for recording music data and software, and the current state of the functional unit 29 is displayed on the display unit 10. The performance signal from the function unit 29 is output to the envelope forming circuit 50, and then amplified by the amplifier 51 and emitted as music from the speaker 28.

The microphone 23 is connected to the amplifier 51. When the microphone 23 is used in accordance with the music, the voice from the microphone 23 is also amplified. Envelope forming circuit 5
Reference numeral 0 is composed of transistors Q1 and Q2, a capacitor C1 and resistors R1, R2, R3 and R4.
The performance signal, that is, the audio signal (a) and the timing signal (b) are input to the bases of the transistors Q1 and Q2.

As shown in FIG. 5, when the timing signal (b) from the functional unit 29 is at the Hi level, Q2 is turned on and the capacitor C1 is charged, and the timing signal (b) is generated.
Is at Lo level, Q2 is turned off. Functional part 29
When the audio signal (a) from (1) is input to the base side of the transistor Q1, the transistor Q1 is driven. However, the discharge of the capacitor C1 causes the collector voltage of the transistor Q1 to gradually drop. As a result, the speaker 28 generates a melody whose sound pressure gradually decreases.

As a means for setting the timing signal (b) from the function unit 29, it is assumed that there is a gap between the audio signal (a) outputs only by the software of the function unit 29 as shown by the hypothetical taming signal (c) in FIG. Although it is possible to set the timing signal (c), it is not possible to output the audio signal (a) at the same time as the timing signal (b) is generated, so that the timing signal generation time T is conspicuous in a melody with a tempo. It is inconvenient because there is an unnatural extension between the round sounds. Therefore, as shown as the timing signal (b) in FIG. 5, if the audio signal (a) is output by hardware and only the generation of the timing signal (b) is controlled by software, the above inconvenience is solved.

In FIG. 4, S121, S122, S1
31 and S132 are switch buttons 121 and 12, respectively.
2, 131 and 132, and S5 corresponds to the power switch 5. The switch button 121 is a switch button of the music selection switch S121 for selecting a music piece, and by pressing it, a music piece within 99 music pieces can be arbitrarily selected in this embodiment. The song numbers are statically displayed on the display unit 10 as two-digit numbers. (See FIG. 6 (a))

The switch button 122 is a song start / stop button, and can be used to start and stop playing the song. The above-mentioned buttons 121 and 122 are arranged side by side in a substantially round shape, and a tempo adjustment button 131 described below is provided.
And the shape is different from the pitch adjustment button 132. The pitch adjustment and tempo adjustment buttons 131 and 132 are arranged corresponding to the display elements 101 and 102 of the display unit 10, respectively. By turning on the pitch adjustment button 131, the set value "5" (corresponding to G4) Based on "1"
Up to "9", the pitch can be set in half step by "1" UP and the pitch can be arbitrarily set in steps.

The above set values are displayed as numbers flashing on the display element 101 arranged above the pitch control button 131. At this time, the display element 102 is off. (See FIG. 6B) The tempo adjustment button 132 is also the above-mentioned pitch adjustment button 131.
It has the same function as, and the tempo can be increased by a ratio of 5 every time the initial value (corresponding to the tempo 105) of "5" is increased by "1", and the tempo speed can be changed stepwise. The set value is displayed as numbers flashing on the display element 102 arranged above the tempo adjustment button 132. At this time, conversely, the display element 101 is turned off. (See FIG. 6 (c)) The operation of the present invention having the above-described configuration will be described with reference to FIGS.

FIG. 7 is a flow chart showing the operation contents of the function unit 29. When the power is turned on by the switch 5, it is initialized by the instruction 60 and the music number "1" is displayed on the display unit 10. In this state, the set values of tempo and pitch are both "5", but they are not displayed. Each switch button 121, 122,
The determination instructions 100, 200, 300 and 400 check the ON and OFF states of 131 and 132.

Here, for example, the tempo adjusting button 13
When 2 is input, the process is branched by the determination instruction 300 and the pitch flag is turned off, the tempo flag is turned on, and the count of the display unit 10 is incremented by one. When the tempo flag is turned on, the decision instruction 350 branches to the tempo display routine 360. In the tempo display routine 360, the pitch flag is OFF, the LED is OFF, and the upper digit of the display unit (display element 102)
The process of displaying, waiting for time, turning off the LED, and waiting for time is continuously performed until another signal is input from the switch. That is, the display unit 10 displays only the side corresponding to the tempo adjusting button 132, and so-called blinking display is performed by repeatedly turning off the light. (See FIG. 6C) The same operation is performed for the pitch adjustment button 131. (See FIG. 6 (b))

100 is an ON-OF for start / stop
F judgment instruction, switch button 12
When 2 is pressed, the determination instruction 100 is taken to branch to a music performance routine 500 described later. Similarly, when the music selection switch button 122 is pressed, the determination instruction 200 branches to the music selection music number display routine 600.

As shown in FIG. 8, the music selection music number display routine 600 performs a process of counting up the music numbers, and the music numbers are lit and displayed as numbers on the display unit 10. (Fig. 6
(See (a)) In the present embodiment, approximately 2 in response to the pressing operation of the music selection button 121.
It is programmed to generate a single note at KHz.
As can be seen from FIG. 8, when the music selection button 121 is continuously pressed (about 1 second or longer in this embodiment), the music number is continuously counted up, and when it is desired to greatly change the music number, the operation can be smoothly set. .. When the music selection button 121 is released, the immediately preceding music number is lit and displayed on the display unit 10 to enter a standby state.

As can be seen from the music performance routine 500 shown in FIG. 9, the start / stop button 122 has a stop function 510, a roulette stop function 520, and a music performance function 530.
When the start / stop button 122 is pressed in the N state, the roulette function 540 described later is executed. Unless the start / stop button 122 is newly pressed and the stop function 510 is executed, the tunes are continuously medley according to the tune numbers. In this embodiment, a waiting time between songs process 531 is provided to obtain a pause time A of about 3 seconds between songs, and as shown in FIG. 10, a song number counting UP process 532 and a display. At about the same time as the song number display process 533 on the section 10, the performance of the next song begins.

In the present embodiment, since the displayed music number is played from the beginning, the music number count is increased.
Before the process 532 is executed, the same song can be repeatedly played from the beginning by pressing the start / stop button regardless of whether the song is waiting or not. That is, since there is a pause time A of about 3 seconds between songs, and the song number of the previous song is displayed during this pause time A, it is very convenient when repeatedly playing the same song from the beginning. good.

The roulette function 540 is the music selection button 121.
When the start / stop button 122 is pressed when ON, the determination instruction 541 is branched and the roulette flag is turned ON. When the roulette flag is turned on, a music number is determined by a random number, the music number is displayed on the display unit 10, and a process of generating a single tone of about 3 KHz is executed. At this point, the time-waiting process 542 has an interval of about 0.1 seconds and turns on the roulette flag.
The OFF determination instruction 543 determines whether to return to the standby state. Therefore, unless the start / stop button 122 is turned on again, the above-mentioned process is repeatedly executed, so that a random display on the display unit 10 operates as a so-called roulette function while generating a single tone of about 3 KHz at 0.1 second intervals. Of course, the time setting of the time waiting process 542 and the pitch setting of the sound accompanying the display can be arbitrarily performed by software, and in this embodiment, a sound different from the sound (about 2 KHz as described above) generated when the normal music number is displayed is used. It is generated and distinguished. FIG. 11 shows the relationship between each switch and the function.

[0028]

As described above, since the present invention is constructed as described above, the music to be played is unexpectedly determined, the playability is excellent, the time is not tired, and the music is played randomly. Regardless, since only the song number is displayed before the performance, it is possible to confirm the song before starting the performance, and if it is a song that you do not like playing, you can stop it before listening to the performance, which is convenient.

Further, for example, when singing a randomly selected song called a karaoke game enjoyed by a plurality of people, if the song name is checked when the song number is displayed, the human who wants to sing the song can be played before playing. You can make a decision, and have plenty of room for preparation such as having a microphone. At this time, in the case of the present invention, since the song number is displayed instead of the song name, it is possible to play a memory game in which the song name is recalled from the song number, which further enhances playability.

[Brief description of drawings]

FIG. 1 is an overall perspective view of an audio device according to the present invention.

FIG. 2 is a partially exploded view of the audio device according to the present invention.

FIG. 3 is a perspective view showing a back surface of the audio device according to the present invention.

FIG. 4 is a circuit diagram of an audio device according to the present invention.

FIG. 5 is a relationship diagram between a voice signal and a timing signal of the audio device according to the present invention.

FIG. 6 is a front view showing the corresponding relationship between the switches of the audio device according to the present invention and the operating states of the display section.

FIG. 7 is a flowchart for explaining the operation of the audio device according to the present invention.

FIG. 8 is a flowchart for explaining the operation of the audio device according to the invention.

FIG. 9 is a flowchart for explaining the operation of the audio device according to the invention.

FIG. 10 is a timing chart between music performance and music number display of the audio device according to the present invention.

FIG. 11 is a relationship diagram of each switch and function of the audio device according to the invention.

[Explanation of symbols]

 10 Display S121 Music selection switch

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shigeyoshi Okamoto 4680 Ikata, Hachijo-machi, Tagawa-gun, Fukuoka Prefecture Kyushu Hitachi Maxell Co., Ltd. (72) Hiroaki Ito 4680 Ikata, Hachijo-machi, Tagawa-gun, Fukuoka Prefecture Address Inside Kyushu Hitachi Maxell Co., Ltd.

Claims (1)

[Claims] 1. A recording unit for recording a plurality of song data and song numbers corresponding to each song data, a song selection switch S121 for determining the song numbers, and a display unit 10 for displaying the selected song numbers.
And an audio device for performing a music performance based on the music data of the displayed music number after displaying the music number, comprising a means for determining the music number by a random number.