JPH11319246A - Pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pachinko machine capable of connecting the wires of a control circuit for sound control in a short time, allowing the stereoscopic sound control for a player as if a sound source is moved longitudinally and laterally, and capable of erasing noise from the generated sound to offer a clear sound. SOLUTION: A sound drive circuit 78 is provided with a sound synthesis control IC 86 integrally containing a rendition data storage means storing rendition data and a sound reproduction means reading, reproducing and outputting the rendition data from the rendition data storage means in sequence according to a command from a game controller 74, sample holding circuits 101, 104 holding the sound output signal outputted from the IC 86, amplifying circuits 102, 105 amplifying the sound output signals held by the circuits 101, 104, and bypass filters 103, 106 erasing the noises of the sound output signals outputted from the amplifying circuits 102, 105.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko machine for notifying a sound image position of an effect sound for information notification according to a game state by moving the sound image position forward, backward, left and right.

[0002]

2. Description of the Related Art Generally, a pachinko machine is configured to generate a sound from a speaker according to a game state. For example, Japanese Patent Application Laid-Open No. 8-266709 discloses a game control unit for controlling a game state of a gaming machine, a voice synthesis circuit controlled by the game control unit, and for synthesizing voice according to the game state of the game machine, Data for ADPCM (Ad
up Differential Pulse
And an audio ROM storing code modulation data, wherein the audio synthesizing circuit is configured to synthesize a stereo sound based on audio data read from the audio ROM in accordance with a game state. Have been.

[0003] The above-mentioned voice synthesizing circuit includes a DSP (Digital)
tal Signal Processor), a memory interface, a microcomputer interface, a reset circuit, a clock oscillator, an ADPCM decoder, three electronic volumes, a panpot circuit, two mixing circuits, and two digital / analog converters. And

The game control unit gives a command to the DSP in accordance with the game state. The DSP gives an address of data to be read from the voice ROM to the memory interface in response to the command. Is read. The DSP further controls the three electronic volumes and the panpot circuit according to the command given from the game control unit to adjust the volume of the synthesized voice of each channel, thereby using the stereo voice to surround the player. Voice control is performed such that the sound source circulates or the sound source moves forward, backward, left, and right for the player.

[0005] However, the above-mentioned audio control means of the pachinko machine is configured by separately arranging and composing each element constituting an audio ROM and an audio synthesizing circuit on a circuit board. In manufacturing, each element must be arranged on a circuit board and electrically connected to each other, which requires a long working time.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to enable a control circuit relating to voice control to be wired and connected in a short period of time, so that a sound source moves forward, backward, left and right to a player. It is an object of the present invention to provide a pachinko machine capable of performing three-dimensional voice control and eliminating noise from generated voice to make clear voice.

[0007]

The pachinko machine of the present invention comprises:
In a pachinko machine having a game control unit for controlling a game state and a voice drive circuit for outputting a voice corresponding to the game state, the voice drive circuit includes a performance data storage unit storing performance data and the game A voice synthesizing control IC capable of synthesizing a three-dimensional composite sound, the voice synthesizing means integrally including voice reproducing means for sequentially reading and reproducing and outputting performance data from the performance data storing means in response to a command from a control unit; A sample-and-hold circuit for holding an audio output signal output from the control IC.

[0008] The apparatus further includes an amplifier circuit for amplifying the audio output signal held by the sample and hold circuit, and a low-pass filter for eliminating noise of the audio output signal output from the amplifier circuit.

[0009]

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

FIG. 1 is a front view of a pachinko machine according to an embodiment. The pachinko machine 1 includes a pachinko machine main body 2 and a card unit 3 arranged side by side on the left side of the pachinko machine main body 2.

An inner frame 4 is provided on an outer frame (not shown) of the pachinko machine main body 2 by a hinge or the like so as to be openable and closable in the front direction of the drawing. A board 5 is provided. A metal frame 6 is provided in the inner frame 4 so as to surround the gaming board 5, and a glass door 7 is attached to the metal frame 6 so as to be openable and closable. Below the metal frame 6, an upper tray 8 for aligning and waiting the pachinko balls is provided, a lower tray 9 is provided below the upper tray 8, and a hitting handle 10 is provided to the right of the lower tray 9. The speakers 11a and 11b are provided inside the upper receiving tray.

A frame decoration portion 12 is provided at the upper edge of the inner frame 4, and inside the frame decoration portion 12, two frame decoration lamps A1 and A1 are provided at the center, and a frame decoration lamp is provided on the left side. A
2 and a frame decoration lamp A3 are provided, and a frame decoration lamp A2 and a frame decoration lamp A3 are provided on the right side. Further, a key decoration portion 13 is provided above the right edge of the inner frame 4, and two key decoration lamps B 1 and B 1 are arranged inside the key decoration portion 13.

FIG. 2 is a front view showing the game board 5 of the pachinko machine 1. As shown in FIG. As shown in FIG. 2, a symbol display unit 14 is provided substantially at the center of the game board 5, and a left gate 1 is provided at the lower left and right sides of the symbol display unit 14, respectively.
5, a right gate 16 is provided, and a tulip-type starting winning opening 17 driven by a solenoid or the like is provided below the symbol display unit 14, and an accessory unit 18 is provided below the game board 5 surface. It is arranged.

Further, on the surface of the game board 5, there are provided windmills 19, 19 with lamps on the left and right sides of the upper part of the symbol display unit 14, respectively. Winners 2 on the sleeves of the board 5
0 and 21 are provided. Further, a payout display section 22 is provided at the upper left corner of the game board 5, and a ball out display section 23 is provided at the upper right corner of the game board 5. The game board 5 is provided with an out port 24, a windmill 25, an inner rail 26, an outer rail 27, and the like, and these elements are the same as those in the related art.

FIG. 3 is a view showing the arrangement of various lamps and LEDs on the game board 5, FIG. 4 is an enlarged front view of the symbol display unit 14, and FIG. 5 is an enlarged front view of the accessory unit 18. . As shown in FIG. 3, in the game board 5, a payout LED (P
1) is provided, and a ball-out LED (P2) is provided inside the ball-out display section 23 at the upper right corner. Further, a rail decoration portion 28 is provided along the outer rail 27 on the outer upper side of the outer rail 27, and a decoration LED is provided inside the rail decoration portion 28.
(Q1) and decorative LED (Q2) are arranged alternately.

Further, decorative lamps C1, C1 are provided behind the windmills 19, 19 with lamps, respectively, and decorative lamps D1, D are provided behind the left gate 15 and the right gate 16, respectively.
1, decorative lamps E1 and E1 are respectively provided behind the normal winning openings 20 and 21, and a decorative lamp F1 is provided behind the electric tulip 29 having the starting winning opening 17.

As shown in FIG. 2, the symbol display unit 14 includes a special symbol display device 30 composed of a color liquid crystal display device at the center, and a frame 31 for incorporating and supporting the special symbol display device 30. . Frame 3
1 is provided with an arch-shaped overhang portion 32 at the top, and at the top of the overhang portion 32 and on the left and right sides of the overhang portion 32, a passage entrance 3
3, 33, 33 are provided respectively. As shown in FIG. 4, the overhanging portion 32 is provided with a normal symbol display 34 composed of a segment type display at the center portion, and two normal symbol displays on the left and right sides of the normal symbol display 34. The number of stored LEDs 35, 35, 35, 35 are arranged. In addition, decorative LEDs (J1, J
1) is provided.

As shown in FIG. 4, on both sides of the lower portion of the overhang portion 32 of the frame 31, decorative members 3 which protrude left and right sides are provided.
6 and 36, respectively, and the left and right decorative members 36 and 3
6, decorative members 37, 37 are respectively provided below, further decorative members 38, 38 are provided below these, and a concave portion 39 is provided in the center of the frame 31 below the overhanging portion 32. The special symbol display device 30 is provided in the recess 39.
Are arranged.

Behind the left and right decorative members 36, 36, two stored number display LEDs 41, 4 for special symbols are provided.
1, 41, 41 are provided, and decorative LEDs (K1, K1) are provided inside the decorative members 37, 37, and inside the decorative members 38, 38 and inside the side wall of the frame 31, which is the upper part thereof. Three decorative LEDs (H1, H2, H3) are provided respectively.

Further, ball outlets 40, 40 are provided at the lower left and right sides of the frame 31, respectively.
In the lower part of 1, the guide members 42, facing the ball outlets 40, 40,
Each of the guide members 42 is provided with a notch 43 between the guide members 42 for dropping the pachinko ball downward.

The display section 44 of the special symbol display device 30 is divided into an upper symbol display section 45 and a lower moving image display section 46. The symbol display section 45 further includes a left symbol display section 47 and a middle symbol display section 48. And a right symbol display section 49.

As shown in FIG. 5, the accessory unit 18 is provided with a large winning opening 50 opened by an opening / closing door 51 at the center, and a normal winning opening 52, 52 on the left and right and a decorative LED (M1). ~ M8), decorative LED (N1 ~ N8)
Are aggregated and deployed. A specific area 53 which is a special winning area is provided in a part of the inside of the special winning opening 50.

The special winning opening 50 is set to 15 payout openings, the normal winning opening 21 is set to 8 payout openings, and the other starting winning opening 17, the normal winning opening 20, and the normal winning opening 52, 52. Are set to six payout ports.

As described above, each element disposed on the game board 5 has been described. The left gate 15 and the right gate 16 in FIG.
Is set as the starting port for the start of symbol fluctuation in. In addition, the lottery probability of the hit related to the ordinary symbol display 34 is set to 5/10.

In addition, the starting winning opening 17 shown in FIG.
It is set as the starting port for starting the symbol change for the right symbol. In addition, the lottery probability of big hits related to special symbols,
Two types are set, a normal probability of 1/337 and a high probability of 5/337.

The types of symbols stopped and displayed on each of the left symbol display unit 47 and the right symbol display unit 49 in the special symbol display device 30 are "1", "2", "3",
"4", "5", "6", "7", "8", "9",
There are 12 types of “X”, “Y”, and “Z”. The type of the symbol stopped and displayed on the middle symbol display section 48 is “1”,
"2", "3", "4", "5", "6", "7",
One of "8", "9", "X", "Y", "Z", "L"
There are three types.

FIG. 6 is a rear view of the game board 5 shown in FIG. On the back side 5a of the game board, there are passage entrances 33, 3 shown in FIG.
Guide paths 54 and 55 are provided on the left and right, respectively, for guiding the pachinko balls entered into the ball exits 3 and 33 to the ball exits 40a and 40b.
A guide path 56 for guiding the pachinko ball that has entered the right gate 16 to the ball exit 40 is provided in communication with the guide path 54.
A guide path 57 for guiding to b is provided in communication with the guide path 55.

At the lower part of the back face 5a of the game board, there is a starting winning opening 1
7, Normal winning opening 20, Normal winning opening 21, Normal winning opening 5
A collecting gutter 58 is provided for collecting the pachinko balls that have won the winning holes 17, 20, 21, 52, 52, 50 so as to cover the winning pachinko balls 2 and 52 and the special winning opening 50. A safe ball guiding gutter 59 to be aligned in one row is disposed below the collecting gutter 58.

A start-up winning detection switch SW1 is provided corresponding to the start-up winning opening 17.
16, gate switches SW2 and SW3 for detecting gate passage are provided, respectively, and a special winning opening winning detection switch SW4 is provided corresponding to the special winning opening 50, and a specific area inside the special winning opening 50 is provided. A specific area passage detection switch SW5 for detecting a prize to 53 is provided.
A prize detection switch SW6 is provided corresponding to the normal prize opening 21 which is an individual payout opening, and a normal electric accessory opening solenoid 60 for expanding the starting prize opening 17 and a large opening for opening the opening / closing door 51. Open prize opening solenoid 6
1. A specific area door opening solenoid 62 for opening a door (not shown) for closing the specific area 53 so that pachinko balls can be won, and a guide member drive for moving the guide members 42, 42 up and down. Motor MT is provided.

Further, at the end of the safe ball guiding gutter 27,
A safe ball detection switch 63 is provided, and a safe ball discharge solenoid 6 for discharging the safe balls one by one.
4 are provided.

Next, a control system provided in the pachinko machine of this embodiment will be described. FIG. 7 is a block diagram of a main part of a main control unit, and FIG. 8 is a block diagram of a circuit for controlling a lamp and an LED in the main control unit.
FIG. 9 is a main block diagram of the sub control unit. FIG.
In FIG. 9 to FIG. 9, illustration of a power supply line is omitted.

The main control section 65 comprises a CPU for performing substantial control relating to the game in accordance with the game situation, a ROM storing each control program executed by the CPU, and a RAM capable of reading and writing data as needed. Have been. Note that the illustration of the internal configuration of the main control unit 65 is omitted.

The main control unit 65 includes a switch detection circuit 66, a solenoid drive circuit 67, an LED drive circuit 68,
The motor drive circuit 69, the lamp drive circuit 70, the lamp drive circuit 71, the LED drive circuit 72, the information output circuit 73, and the sub control unit 74 are connected.

The switch detecting circuit 66 has a starting winning opening 1
7, a start-up winning detection switch SW1 for detecting a pachinko ball that has won 7; a switch SW2 for a left gate for detecting that a game ball has passed through the left gate 15; and a switch SW2 for detecting that a game ball has passed through the right gate 16. Right gate switch SW3 for detecting, large winning opening 50 of accessory unit 18
A special winning opening winning switch SW4 for detecting a pachinko ball that has won the prize, a specific area passage detecting switch SW5 for detecting a pachinko sphere winning in a specific area 53 in the special winning opening 50, and eight payout ports are set. Ordinary winning opening 21
Is connected to a winning detection switch SW6 for detecting a winning pachinko ball, and the states of the switches SW1 to SW4 are simultaneously input to the main control unit 65.

The solenoid drive circuit 67 includes an ordinary electric accessory opening solenoid 60 for opening the winning opening 17, and a special winning opening solenoid 61 for opening and closing the opening and closing door 51 of the accessory unit 18. Solenoid 62 for opening a specific area door for opening and driving a door closing area 53
And connected to. The solenoid drive circuit 67 individually operates the solenoids 60 to 62 at a predetermined timing in response to a command signal from the main control unit 65.

The LED drive circuit 68 includes a main control unit 65
This is a circuit for driving the display of the ordinary symbol display 34 in accordance with the control signal from the CPU and lighting and driving the stored number display LED 35 for ordinary symbols and the stored number display LED 41 for special symbols.

The motor drive circuit 69 includes guide members 42, 4
2 is connected to a guide member driving motor MT for moving the motor 2 up and down. The guide member driving motor MT is constituted by a stepping motor. Motor drive circuit 69
Drives the guide member driving motor MT to move the guide members 42, 42 up and down 15.3 times per minute in accordance with a control signal from the main control unit 65.

The special symbol display device 30 includes a symbol display CP.
U (not shown) and a memory or the like (not shown).
The display unit 44 is connected so as to be capable of transmitting data in the direction, and according to the display command data transferred from the main control unit 65.
, A left symbol, a middle symbol, a right symbol, and a moving image.

The lamp drive circuit 70 includes a frame decoration lamp A1, a frame decoration lamp A2, and a frame decoration lamp A3 shown in FIG.
Is connected. The lamp driving circuit 70 controls the frame decoration lamps A1 to A1 according to a control signal from the main control unit 65.
3 is controlled to be turned on.

The decorative lamps C1, D1, E1, and F1 shown in FIG. 3 are connected to the lamp driving circuit 71. The lamp drive circuit 71 individually controls the lighting of the decorative lamps C1, D1, E1, and F1 according to a control signal from the main control unit 65.

The LED driving circuit 72 includes decorative LEDs (Q1) and (Q2) shown in FIG.
(K1), (H1), (H2), (H3) and decoration LE
D (M1 to M8) and decorative LEDs (N1 to N8) are connected. The LED drive circuit 72 includes a main control unit 65
According to the control signal from the LED (Q1), (Q
2) and decorative LED (J1), (K1), (H1),
(H2), (H3), the decorative LEDs (M1 to M8) and the decorative LEDs (N1 to N8) are individually controlled to be turned on.

The sub-control unit 74 mainly controls the sound effect output according to the status data indicating the game state of the pachinko machine sent from the main control unit 65, and controls the lending of the pachinko balls and the payout of the prize balls. Is what you do. The sub-control unit 74 is a CPU that performs substantial control related to sending commands related to output control of sound effects, lending pachinko balls, and paying out prize balls,
It is composed of a ROM storing each control program executed by the CPU, and a RAM capable of reading and writing data as needed. The illustration of the internal configuration of the sub-control unit 74 is omitted.

The sub-control unit 74 is connected to the main control unit 65 so as to be able to transfer data. Normally, data transfer in only one direction from the main control unit 65 to the sub-control unit 74 is performed. When the control unit 74 detects a fraud, a fraud detection signal is sent from the sub control unit 74 to the main control unit 65. The sub control unit 74 includes an LED drive circuit 75, a lamp drive circuit 76, a switch detection circuit 7,
7, voice drive circuit 78, solenoid drive circuit 79, information output circuit 73, prize ball discharging device 80, hit ball launching device 8
1. The card interface 82 is connected.

The data transferred from the main control section 65 to the sub-control section 74 are status data indicating the gaming state of the pachinko machine and data on the number of prize balls paid out according to the winning of the pachinko balls.

The LED drive circuit 75 receives the command signal from the sub control unit 74, and receives the payout LED (P1) shown in FIG.
And the lighting of the ball cut LED (P2). The lamp drive circuit 76 receives a command signal from the sub-control unit 74 and controls lighting of the key decoration lamp B1.

The switch detection circuit 77 includes a metal frame open detection switch 84 for detecting the release of the metal frame 6, a supply ball depletion detection switch 85 for detecting the depletion of the ball in the ball tank, and a safe ball. Safe ball detection switch 63
The detection signal (see FIG. 6) is input to the sub control unit 74.

The voice drive circuit 78 has a voice synthesis circuit, a sample and hold circuit, an amplifier for sound amplification, and a low-pass filter for noise reduction, which will be described later. In response to the command output from the control unit 74, the audio data is synthesized and reproduced to form an analog waveform, which is held and amplified by a sample-and-hold circuit, noise-removed by a low-pass filter, and converted into sound effects from the speakers 11a and 11b. Output.

In response to the payout control signal output from the sub-control unit 74, the prize ball discharging device 80 discharges pachinko balls in a number corresponding to the ball lending, and pays out 6 or 8 prize balls. Individual payout is performed. Hitting ball launcher 81
Operates in response to the drive signal output from the sub-control unit 74, and bounces the pachinko ball toward the game board 5 surface. The operating state of the hit ball firing device 81 is input to the sub control unit 74.

The card interface 82 is connected to the ball lending operation section 83 provided on the front of the card unit 3 and the upper tray 8 of FIG. 1 and receives the money amount information sent from the card unit 3 and the ball lending operation section 83. The ball lending information is output to the sub-control unit 74, and the ball lending completion signal sent from the sub-control unit 74 is output to the card unit 3.

The information output circuit 73 is a circuit for outputting the information data output from the main control section 65 and the information data output from the sub control section 74 to a host computer, such as a hall computer.

The information data output from the main control unit 65 includes information representing the state of the jackpot from the start of the jackpot to the end of the jackpot (high level from the start to the end of the jackpot), the state of the jackpot from the start of the jackpot to the end of the jackpot, and Information indicating that the high probability is in progress (high level during the period from the start of the big hit to returning to the normal probability), information indicating the determination of the special symbol (high level for a predetermined time each time the special symbol is stopped),
Information representing winning in the specific area 53 (high level for a predetermined time each time a winning is detected in the specific area 53), and information representing determination of a normal symbol (normally high level for a predetermined time each time a symbol is stopped). is there.

The information data output from the sub-control unit 74 is information indicating the occurrence of a broken ball (high level while the replenished ball out detection switch 85 is detecting the out-of-ball state), and indicates unauthorized opening of the metal frame 6. Information (metal frame opening detection switch 8
4 is at the high level during the detection of the open state of the gold frame 6, information indicating the prize ball payout (high level for a predetermined time every time 10 prize balls are discharged), and information indicating the ball lending (ball lending). It is at a high level for a predetermined time every 25 prize balls discharged in response to the operation), and a stop signal of the hit ball launching device 81 is transferred from the hall computer and input to the sub control unit 74. You.

Next, the audio drive circuit 78 of the present embodiment will be described. FIG. 10 is a circuit block diagram of the audio drive circuit 78. The voice drive circuit 78 includes a voice synthesis control IC 86 that forms a voice synthesis circuit that performs voice synthesis in accordance with a command transmitted from the sub control unit 74 and outputs an analog waveform, and a left synthesis output of the voice synthesis control IC 86. , A sample-and-hold capacitor 10 constituting a sample-and-hold circuit for holding an output analog waveform
1, an amplifier 102 that amplifies the analog waveform held by the sample-and-hold capacitor 101, a low-pass filter 103 that eliminates noise of the analog waveform output from the amplifier 102, and a right synthesis output of the voice synthesis control IC 86. Sample and hold capacitor 1 that constitutes a sample and hold circuit that holds the output analog waveform
04, an amplifier 105 for amplifying the analog waveform held by the sample and hold capacitor 104, and an amplifier 105
And a low-pass filter 106 for eliminating the noise of the analog waveform output from.

FIG. 11 is a circuit block diagram of the speech synthesis control IC 86 constituting the speech synthesis circuit. The voice synthesis control IC 86 includes a performance data storage means comprising a performance data ROM 87 storing performance data, and a voice reproduction for sequentially reading and reproducing and outputting performance data from the performance data ROM 87 in response to a command from the sub-control unit 74. Means 88, electronic volume controls 89 and 90, two-channel digital mixer 91, D / A converter 92, mix level controller 93, reset signal input unit 94, and clock frequency input unit 95 are integrally provided.

Further, the sound reproducing means 88 is provided with a sound source (SSG, ie, Software) for reproducing a musical sound.
controlled Sound Generato
r) The controller 98 and the ADPCM (Adaptive Diff) stored in the performance data ROM 87
rental Pulse Code Modula
(tion) In accordance with a command sent from the sub-control unit 74, an ADPCM controller 99 for sequentially reading out sound data to reproduce the sound, and setting register data, which will be described later, stored in a performance data ROM 87 are sequentially read out to generate a sound source controller. 98 or an ADPCM controller 99 and a CPU interface 1 for giving a command given from the sub-controller 74 to the sequencer 96 and the sequencer 97 or the mix level controller 100
00.

The reset signal input unit 94 is connected to the sub control unit 7
When the reset signal is input from the IC 4, the voice synthesis control IC 86 is reset in response to the input. It is reset when the power is turned on. The clock frequency input section 95 is for inputting a clock signal used in the voice synthesis control IC 86, and is connected to a crystal oscillation circuit (not shown).

The sound source controller 98 controls the channel 1
A, 1B, 1C, a total of three channels of tone generators, a noise generator, a mixer for mixing a tone generated by the tone generator with a noise tone generated by the noise generator, and a mixer for the mixer. A first system sound source controller including an envelope generator for generating an output level envelope by changing an output, and channels 2A and 2
B, 2C, a tone generator of a total of three channels, a noise generator, a mixer for mixing the tone generated by the tone generator and the noise generated by the noise generator,
A second tone generator controller including an envelope generator for creating an output level envelope by changing the output of the mixer;

The tone generator controller 98 operates the first tone generator controller and the second tone generator controller at the same time, thereby providing the performance data ROM.
From a maximum of 63 pieces of music data stored in the memory 87, a maximum of two pieces of music can be simultaneously played.

The first tone generator controller of the tone generator controller 98 has 8-bit configuration setting registers for setting reproduction conditions for reproducing a tone, and the second tone generator controller similarly has a tone generator. Has an 8-bit configuration register for setting a reproduction condition when reproducing. Since the first system sound source controller and the second system sound source controller have the same configuration,
The contents of each setting register will be described only for the first system, and description for the second system will be omitted.

The tone generator controller of the first system includes a register for setting a tone frequency generated by the tone generator of channel A, a setting register for setting a tone frequency generated by the tone generator of channel B, and a tone register of channel C. A setting register for setting a tone frequency generated by the generator; a register for setting a noise frequency generated by the noise generator in the first tone generator controller; and a channel A, B, and C in the first tone generator controller. A setting register for setting whether to output a tone (tone) and noise, a setting register for setting the volume of channel A, a setting register for setting the volume of channel B, and a volume setting for channel C A configuration register;
A setting register for setting the repetition frequency of the envelope in the first tone generator controller, a setting register for setting the shape of the envelope in the first tone generator controller, and a channel A panpot (localization) in the first tone generator controller , A setting register for setting the channel B panpot, and a setting register for setting the channel C panpot.

The ADPCM controller 99 has a total of eight channels from channel 1 to channel 8, and is configured to be able to simultaneously reproduce eight ADPCM sounds. The eight channels from channel 1 to channel 8 have the following setting registers, respectively.

One channel is a ROM for performance data.
A setting register including a sound designation area for designating the ADPCM sound data (numbers 1 to 63) set in 87 and a reproduction frequency setting area; a volume setting register for setting the volume; It has a panpot setting register for setting a panpot (left and right localization), an on / off register for designating reproduction start and reproduction stop, and a repetition setting register for setting reproduction repetition.

In FIG. 11, a sequencer 96 and a sequencer 97 perform setting of a tone generator controller 98 stored in a later-described performance data ROM 87 in accordance with a command sent from the sub-control unit 74 via the CPU interface 100. While reading the setting register data to be set in the register and writing them to each setting register of the tone generator controller 98, the performance data ROM 8
The setting register data to be set in each setting register of the ADPCM controller 99 stored in the memory 7 is read out and written into each setting register of the ADPCM controller 99.

The sequencer 96 and the sequencer 97 are
Since they have the same configuration, only the sequencer 96 will be described, and description of the sequencer 97 will be omitted.

The sequencer 96 has a performance start / stop control designation area, a performance repetition setting area, and a data number designation area of setting register data stored in the performance data ROM 87. A setting register, a setting register for setting a minimum step time for determining a performance tempo, and an ADPCM controller 9
A setting register for setting which channel is occupied and used among the channels 1 to 8 of 9;
The first channel A, B,
C and a register for setting which channel is to be occupied and used among the six channels of the second system channels A, B, and C.

The sequencer 96 occupies and uses the first system channels A, B, and C of the tone generator controller 98, and the sequencer 97 occupies the second system channels A, B, and C of the tone generator controller 98. By using this, it is possible to perform a maximum of two songs simultaneously from the setting register data of a maximum of 63 songs stored in the performance data ROM 87.

The sequencer 96 or the sequencer 9
7 and occupy the channels 1 to 8 of the ADPCM controller 99 to use the R for performance data.
From the ADPCM sound data of up to 63 sounds stored in the OM 87, up to 8 sounds can be reproduced simultaneously.

The mix level controller 10 shown in FIG.
0 is the tone created by the tone generator controller 98 and ADPC
There is a setting register for setting the tone level of the tone generator controller 98 when mixing the playback sound reproduced by the M controller 99.

The performance data ROM 87 has a total storage capacity of 2 megabits.
12, a setting register data storage area storing setting register data to be set in each setting register of the tone generator controller 98 and setting register data to be set in each setting register of the ADPCM controller 99, as shown in FIG. At least an ADPCM sound data storage area for storing the converted ADPCM sound data is secured.

The setting register data is data number 1
Can be stored in a total of 63 data from the ADPCM sound number 1 to the ADPCM sound number 63.
Sounds can be stored. The performance data described in claim 1 is composed of the above-mentioned setting register data and ADPCM sound data.

Next, the sub control unit 74 will be described with reference to FIG.
Tone and ADPCM of voice synthesis control IC86
The sound reproducing operation will be described. The sub-control unit 74 transmits a command for generating a sound effect according to the game state to the voice synthesis control IC 86. This command
Sequencer 96 via CPU interface 100
Alternatively, it is input to the sequencer 97.

The sequencer 96 or the sequencer 97 comprises:
In accordance with the input commands, R for performance data
The setting register data of the data number designated by the command is read from the setting register data storage area secured in the OM 87. If the read setting register data address is the address of each setting register of the tone generator controller 98, the read setting register data is written to each setting register of the tone generator controller 98, while the read setting register data address is the ADPCM controller. If the address of each setting register is 99, the read setting register data is
Write to each setting register of the M controller 99.

As described above, the sequencer 96 and the sequencer 97 independently read the setting register data from the performance data ROM 87 in accordance with the command sent from the sub-control unit 74, and store the read setting register data in the tone generator controller. 98 and the ADPCM controller 99 are selectively written and controlled.

After the setting register data is read out from the performance data ROM 87, the timing at which the next setting register data is read out is based on data for setting the performance tempo set by a command to the sequencer 96 and the sequencer 97. It is determined.

The sub-control unit 74 transmits data to be set by designating the mix level controller 93. The data set in the mix level controller 93 is tone level data to be written in the setting register of the mix level controller 93.

When the setting register data is set in each setting register of the tone generator controller 98 by the sequencer 96 or the sequencer 97, the tone generator controller 98
Creates a tone at the tone frequency set by the setting register data separately written for each of the channels A, B, and C, and sets the tone, the envelope frequency, the envelope shape, and the panpot , Digital noise is generated at the set noise frequency, and the tone and noise are mixed based on the set mix specification.
And outputs it to the two-channel digital mixer 91 via.

The sequencer 96 or the sequencer 9
7, when the setting register data is set in each setting register of the ADPCM controller 99, ADPCM
The controller 99 reads out the ADPCM sound data corresponding to the ADPCM sound number (number 1 to number 63) set in the sound designation area of the setting register from the ADPCM sound data storage area of the performance data ROM 87, and designates the same with the setting register data. The reproduction is performed in accordance with the ADPCM method in accordance with the specified reproduction frequency, volume, panpot, reproduction start, and reproduction repetition, and the reproduced digital reproduction sound is output. The digital reproduction sound output from the ADPCM controller 99 is input to the two-channel digital mixer 91 via the electronic volume 90.

Note that one ADPCM sound is reproduced on one channel of the ADPCM controller 99. Further, among the eight channels of the ADPCM controller 99, the sequencer 96 or 97 is set in each setting register of a plurality of channels (for example, channel 1 to channel 3).
When the setting register data is set, a plurality of (three) ADPCM sounds are reproduced simultaneously.

The two-channel digital mixer 91 uses the value of the musical sound level data written in the setting register MIX of the mix level controller 93 to read the digital musical sound transmitted from the tone generator controller 98 and the digital reproduced sound transmitted from the ADPCM controller 99. And outputs the result to the D / A converter 92.

The D / A converter 92 converts the mixed digital sound output from the two-channel digital mixer 91 into analog, and then distributes and outputs the digital sound to left and right terminals in an analog switching system.

Left terminal (L) of voice synthesis control IC 86
The analog waveform signal output from is held by the sample and hold capacitor 101 shown in FIG. When the analog waveform signal amplified by the amplifier 102 passes through the low-pass filter 103, noise is eliminated and a stereo sound is generated from the speaker 11a.

Similarly, the analog waveform signal output from the right terminal (R) of the voice synthesis control IC 86 is held by the sample and hold capacitor 104 shown in FIG. When the analog waveform signal amplified by the amplifier 105 passes through the low-pass filter 106, noise is eliminated and a stereo sound is generated from the speaker 11b.

In the above embodiment, the sequencer 96 is transmitted from the sub-controller 74 via the CPU interface 100.
Alternatively, a command is transmitted to the sequencer 97, and the tone generator controller 9 is transmitted by the sequencer 96 or the sequencer 97.
8 and the ADPCM controller 99 are selectively controlled. However, the present invention is not limited to this.
A command signal represented by a single arrow drawn from the PU interface 100 toward the tone generator controller 98;
ADPCM controller 9 from U interface 100
With the command signal represented by a single arrow drawn toward 9, the sound source controller 9 is directly sent from the sub control unit 74 without passing through the sequencer 96 and the sequencer 97.
8 or the ADPCM controller 99 can be directly controlled.

The tone levels of the channels A, B, and C of the tone generator controller 98 are changed by changing panpot data set in the setting register, so that the output levels of the left and right channels at the time of output are distributed to predetermined amounts. The sound source can be moved to the center, left, or right, and the sound source can be moved back and forth by changing the volume according to the envelope repetition frequency and envelope shape set in the setting register. , The sound effect can be generated such that the sound source localization goes around the player.

As is clear from the above description, the use of the voice synthesis control IC 86 makes it possible to generate various sound effects. Sound source controller 9
8 generates one tone (melody)
When one ADPCM sound is reproduced in the CM controller 99, one melody is overlaid with one ADPCM sound, so that a sound effect can be generated.

The tone generator controller 98 generates one musical tone (melody), and the ADPCM controller 99
When a plurality of ADPCM sounds (up to a maximum of eight sounds) are played back simultaneously, a sound effect in which a plurality of ADPCM sounds are overlaid on one melody can be generated.

The sequencer 96 and the sequencer 97
Generates a tone (melody A) in the first system of the tone generator controller 98, and generates another tone (melody B) in the second system of the tone generator controller 98 by the other of the sequencer 96 and the sequencer 97. ), It is possible to generate a sound effect in which the melody A is overlaid with the melody B.

The performance stop of the music is stopped by writing a value defining the stop into the performance start / stop setting area of the setting register of the sequencer 96 or the sequencer 97.

Next, a description will be given of an operation of outputting and displaying a sound effect and a sound generated according to the operation state of the pachinko machine 1 of the embodiment. FIGS. 14 and 15 are diagrams showing the correspondence between the operating state of the pachinko machine 1 and the output display operation of sound effects and sounds. 16 to 18 are diagrams showing the triggers and operating ranges of the types of sound effects and sounds.

When the power of the pachinko machine 1 is turned on, the left, middle and right symbols of the special symbol display device 30 are “3” and “3”, respectively.
"5" and "7" are displayed, a predetermined picture when the power is turned on is displayed on the moving image display section 46, and the picture display 34 normally displays "0". Also, the storage number display LEDs 35 and 41, frame decoration lamps A1 to A3, decoration lamps C1, D1, E1, F
1. Decoration LED (J1), (K1), (H1), (H
2), (H3), decoration LED (M1-M8), decoration LE
D (N1 to N8), payout LED (P1) and ball cut LE
All of D (P2) are turned off. The guide member driving motor MT is driven to rotate, and the guide members 42
Move up and down 15.3 times per minute.

The player inserts a prepaid card into the card insertion slot 3a of the card unit 3 and
Is operated, a predetermined number of pachinko balls corresponding to the operation are discharged from the prize ball discharging device 80 and lent to the upper tray 8. Then, when the player rotates the hitting handle 10, the hitting ball launching device 81 is operated to hit the pachinko ball toward the game board 5 surface. When the hit ball firing device 81 operates, the operation state is detected by the sub-control unit 74, and the key decoration lamp B1 is turned on. The key decoration lamp B1 is always turned on while the hit ball firing device 81 is operating.

When the game ball passes through one of the left and right gates 15 and 16, the passage of the game ball is detected by one of the left gate switch SW2 and the right gate switch SW3. The pachinko balls that have entered the left and right gates 15 and 16 return to the game board 5 from the respective ball outlets 40a and 40b.

When the passage of the pachinko ball to the left and right gates 15 and 16 is detected, the symbol of the ordinary symbol display 34 starts to change, and after about 6.0 seconds, the change of the symbol stops.
When a new pachinko ball is detected to pass through the left and right gates 15 and 16 while the symbol of the ordinary symbol display 34 is being changed, up to four gate passages are stored and the number of stored gates is changed to the number for the ordinary symbol. The number of LEDs is displayed by the stored number display LEDs 35a to 35d. The lighting order is the LED 35a,
LED 35b, LED 35c, and LED 35d are in that order.

When the ordinary symbol whose fluctuation is stopped is any one of "1", "3", "5", "7", and "9", the ordinary electric accessory opening solenoid 60 is activated, and the winning is made. The opening (start winning opening) 17 is opened for a predetermined time. When the opening time of the winning opening 17 is large, the lottery probability of the jackpot 17 related to the starting winning opening 17 is a normal probability. When the probability is high, the spreading operation is performed three times for 1.7 seconds. When the pachinko ball wins the starting winning opening 17 during the expanding operation, the expanding operation ends. Note that the jackpot lottery probability relating to the starting winning opening 17 will be described later.

When the game ball wins the start winning port 17, the start port winning detection switch SW1 detects the start port winning of the pachinko ball. When the start opening winning of the pachinko ball is detected, the symbol of the special symbol display device 30 is changed to a left symbol, a right symbol,
Start to change in the order of the middle symbol. At the start of the special symbol change, the value of the animation flag is determined. If the value of the animation flag is 0, the sound effect 1 during the change of the special symbol is emitted, while the value of the animation flag is 1
If it is ５5, the sound effect 2 is generated and sounds until the left symbol stops.

When a new winning of the pachinko ball into the starting winning opening 17 is detected while the special symbol is being changed, up to four starting opening winnings are stored and the number of stored starting special winning symbols is changed. Number display LED 41a-41d.

[0097] A random counter RND1 is used to determine in advance whether or not to generate a big hit in the symbol variation display result of the special symbol display device 30.
The value of the random counter RND1 is counted up one by one at a predetermined timing in a range of 0 to 336. Then, when the start opening winning is detected, the random counter R
The value of ND1 is read and stored, and the counter value stored at a predetermined timing during the period from the start of the change of the symbol to the stop of the left symbol is read, and is compared with a predetermined value for the big hit to obtain the big hit. Is determined.

When about 5.3 seconds or more have passed since the start of the change of the special symbol, the symbols are stopped in the order of the left symbol, the right symbol, and the middle symbol to determine the symbol. If the left symbol and the right symbol, which have been fixed and stopped, coincide with each other at the time of final stop of the right symbol, reach occurs.

In the moving picture display section 46 of the special symbol display device 30, forty-six kinds of reach patterns are set according to the kind and movement of the characters displayed in the moving picture (difference in story development). The reach patterns are divided into eight groups, reach section a to reach section h, divided into groups each having the same type of lamp and LED display and sound effect.

Then, a random counter RND3 is used to select one of these reach sections. The value of this random counter RND3 is 0 to 7
Are counted up one by one at a predetermined timing in the range of. Then, the type of the reach section is determined by the value of the random counter RND3 at the time when it is determined that the reach has occurred when the right symbol is fixed and stopped.

When the left symbol, the right symbol, and the middle symbol of the above-mentioned special symbols stop, the sound effect 3 sounds once when each symbol stops. However, when performing the reach operation, the left symbol,
The right symbol sounds only when stopped.

Hereinafter, only the case where the middle symbol performs the reach operation will be described. When the left symbol and the right symbol stop and the middle symbol starts the reach operation, the voice A "reach" is generated after the right symbol stops. Next, the sound effect 4 at the start of the reach operation starts to sound after the voice A “reach”.

When the generated reach pattern is the reach section a, when the stopped middle symbol is "L", a re-lottery operation for starting the change of the middle symbol is performed again.

When the generated reach pattern is the reach section b, the sound F of “pyeong” is generated, the sound C of “dawn” is generated, and the sound effect 5 in the first half of the reach section b sounds next. start. Then, after a lapse of a predetermined time, the sound effect 6 in the latter half of the reach section b starts to sound after the sound effect 5, and sounds until the middle symbol stops. Even when the generated reach pattern is the reach section b, when the stopped middle symbol is “L”, the re-lottery operation for starting the variation of the middle symbol is performed again.

The reach pattern generated is reach section c to
In the case of f, the sound F of "pyeong" is generated, and then the sound effect 7 starts to sound until the middle symbol stops.
During the generation of the sound effect 7, the sound G of “Gyun” is changed to 2
Generated multiple times. In the reach categories e and f, when the middle symbol returns by one symbol, the sound J of "Hyuwan" is generated. Also, when the generated reach pattern is the reach section c to f, when the stopped middle symbol is “L”, the re-lottery operation for starting the variation of the middle symbol is performed again.

When the generated reach pattern is reach section g, a sound F of “Pyeong” is generated, then a sound B of “Paohn” is generated, and then a sound effect 8
Starts to sound and sounds until the middle symbol stops. Note that a drum sound “Dan” (voice D) and a drum sound “Dan” (voice E) are generated over the sound effect 8.

When the generated reach pattern is reach section h, a sound F of “Pyeong” is generated, then a sound B of “Paohn” is generated, and then a sound effect 8
Starts to sound and sounds until the elephant in the movie starts throwing the symbol. When the elephant of the moving image starts throwing the symbol, the sound effect 9 starts to sound and sounds until the middle symbol stops.
Note that a drum sound “Dan” (voice D) and a drum sound “Dan” (voice E) are generated over the sound effect 8. Also, every time the elephant in the video throws a design,
Is generated once. Furthermore, when the middle symbol returns by one symbol at the time of the reach section h, "Piyoyoyon"
Is generated.

If the generated reach pattern is reach section a, reach section b, reach section c-f, a re-lottery operation is performed.
2 starts to sound after switching to the re-lottery screen, and sounds until the middle symbol stops.

The combinations of the left, middle, and right symbols that have been fixed and stopped are "111", "222", "333", and "44".
4 "," 555 "," 666 "," 777 "," 88 "
8 "," 999 "," XXX "," YYY "," ZZ "
When it becomes "Z", a big hit occurs. In the case of a combination other than the above-mentioned combination, the combination will be out of order.

When the middle symbol performs the reach operation and is fixed and stopped, in all the reach patterns, when the middle symbol comes off and stops at the symbol, the sound effect 10 sounds, and the sound effect 11 sounds after the sound effect 10.

When the middle symbol performs the reach operation and stops, the sound effect 13 sounds when the middle symbol stops at the big hit symbol in all the reach patterns.

When a big hit occurs, the special winning opening 50 is reduced by about 2
Opened for 0 seconds. Further, the door of the specific area 53 is opened simultaneously with the opening of the special winning opening 50. At the time of the big hit, the sound effect 14 is sounded after the sound effect 13 until the opening of the first big winning opening.

If ten game balls are won during the opening of the special winning opening 50, the winning winning 5
0 closes. If one game ball passes through the specific area 53 during the opening of the special winning opening 50, the door of the specific area 53 closes, and after the special winning opening 50 is closed, the special winning opening 50 is repeated again. Open. The opening operation of the special winning opening 50 is
Up to 16 times including the first opening. At the time of a big hit, the sound effect 15 is emitted from the start of opening of the first special winning opening to the start of opening of the last special winning opening. And, from the start of opening the final winning opening to the end of the pause after the opening ends,
Sound effect 16 sounds. Note that the sound effect 16 generated when the special winning opening 50 is opened can also be more interesting by moving the sound source back and forth, right and left, and orbiting around the player.

When the metal frame 6 is opened due to wrongdoing, the opening of the metal frame 6 is detected by the metal frame opening detection switch 84, and a detection signal of the metal frame opening detection switch 84 is input to the sub control unit 74. You. In response, sub-control unit 84 outputs a fraud detection signal to main control unit 65. The main controller 65 turns on the decoration LED (Q1) and the decoration LED (Q2) according to the fraud detection signal. In addition, the starting winning opening 1
If the jackpot lottery probability for 7 is high,
In addition to lighting of the decoration LED (Q1) and the decoration LED (Q2), the frame decoration lamps A1, A3 and A2 alternately blink at a cycle of 251 ms. In addition, when detecting an irregularity of disconnection or short circuit, or an irregularity of movement of the special winning opening winning detection switch, the sound effect 17 sounds and continues to sound until the abnormality is eliminated.

[0115]

According to the pachinko machine of the present invention, a sound drive circuit for outputting a sound corresponding to a game state comprises a performance data storage means for storing performance data and a command from the game control section. A voice synthesis control IC which integrally includes voice reproduction means for sequentially reading out the performance data from the performance data storage means and reproducing and outputting the data. A control circuit related to voice control of a three-dimensional composite sound to be synthesized and controlled can be connected in a short time.

A sample-and-hold circuit for holding an audio output signal output from a voice synthesis control IC relating to voice control, an amplifier for amplifying the audio output signal held by the sample-and-hold circuit, and an output from the amplifier circuit Since a low-pass filter is provided for eliminating noise from the audio output signal, it is possible to eliminate noise from the generated audio to obtain a clear audio.

[Brief description of the drawings]

FIG. 1 is a front view of a pachinko machine according to an embodiment.

FIG. 2 is a front view of the game board surface of the pachinko machine.

FIG. 3 is a front view showing an arrangement of various lamps and LEDs arranged on a game board.

FIG. 4 is an enlarged front view of the symbol display unit.

FIG. 5 is an enlarged front view of the accessory unit.

FIG. 6 is a rear view of the game board showing an arrangement of each detection switch.

FIG. 7 is a block diagram of a main control part of a control system provided in the pachinko machine according to the embodiment;

FIG. 8 is a block diagram of a lamp drive unit and an LED drive unit provided in the pachinko machine according to the embodiment;

FIG. 9 is a block diagram of a sub-control part of a control system provided in the pachinko machine according to the embodiment;

FIG. 10 is a circuit block diagram of an audio drive circuit.

FIG. 11 is a circuit block diagram of a voice synthesis control IC in the voice drive circuit.

FIG. 12 is a diagram showing a memory map showing a storage state of voice synthesis data stored in a performance data ROM of a voice synthesis control IC;

FIG. 13 is a diagram showing the correspondence between the operating state of the pachinko machine and the output display operation of the sound effect.

FIG. 14 is a diagram showing a correspondence relationship between an operation state of the pachinko machine and an audio output display operation.

FIG. 15 is a diagram showing an operation trigger and an operation range of the type of sound effect.

FIG. 16 continued from FIG.

FIG. 17 is a diagram showing an operation trigger and an operation range of a sound type;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pachinko machine 2 Pachinko machine main body 3 Card unit 4 Inner frame 5 Game board 6 Gold frame 7 Glass door 8 Upper tray 9 Lower tray 10 Hitting handle 11 Speaker 12 Frame decoration part 13 Key decoration part 14 Symbol display unit 15 Left gate 16 Right Gate 17 Starting winning port 18 Special prize unit 19 Windmill with lamp 20 Ordinary winning port 21 Ordinary winning port 22 Payout display section 23 Out of ball display section 24 Out port 25 Windmill 26 Inner rail 27 Outer rail 28 Rail decoration section 29 Electric tulip 30 Special Symbol display device 31 Frame 32 Overhang 33 Passage entrance 34 Ordinary symbol indicator 35 Memorized number display LED (for ordinary symbol) 36 Decorative member 37 Decorative member 38 Decorative member 39 Recess 40 Ball outlet 41 Memorized number LED (for special symbol) ) 42 guide member 43 notch 44 display 45 Design display part 46 Movie display part 47 Left design display part 48 Middle design display part 49 Right design display part 50 Big winning opening 51 Opening and closing door 52 Ordinary winning opening 53 Specific area 54 Taxiway 55 Taxiway 56 Taxiway 57 Taxiway 58 Assembly Gutter 59 Safe ball guiding gutter 60 Ordinary electric accessory opening solenoid 61 Large winning opening opening solenoid 62 Specific area door opening solenoid 63 Safe ball detection switch 64 Safe ball discharge solenoid 65 Main control unit 66 Switch detection circuit 67 Solenoid drive circuit 68 LED drive Circuit 69 Motor drive circuit 70 Lamp drive circuit 71 Lamp drive circuit 72 LED drive circuit 73 Information output circuit 74 Sub-control unit 75 LED drive circuit 76 Lamp drive circuit 77 Switch detection circuit 78 Sound drive circuit 79 Solenoid drive circuit 80 Prize ball discharge device 81 shots Shooting device 82 Card interface 83 Ball lending operation unit 84 Gold frame open detection switch 85 Supply ball out detection switch 86 Voice synthesis control IC 87 Performance data ROM 88 Voice playback means 89 Electronic volume 90 Electronic volume 91 2-channel digital mixer 92 D / A converter 93 Mix level controller 94 Reset signal input unit 95 Clock frequency input unit 96 Sequencer 97 Sequencer 98 Sound source controller 99 ADPCM controller 100 CPU interface 101 Sample hold capacitor 102 Amplifier 103 Low pass filter 104 Sample hold capacitor 105 Amplifier 106 Low pass filter A1 A3 Frame decoration lamp B1 Key decoration lamp C1 Decoration lamp D1 Decoration lamp E1 Decoration run F1 Decorative lamp H1 to H3 Decorative LED J1 Decorative LED K1 Decorative LED M1 to M8 Decorative LED N1 to N8 Decorative LED P1 Payout LED P2 Ball out LED Q1 to Q2 Decorative LED SW1 Starting port winning detection switch SW2 Left gate switch SW3 Right gate Switch SW4 Special winning opening winning detection switch SW5 Specific area passage detection switch SW6 Winning detection switch MT Motor for driving guide member

Claims (2)

[Claims] 1. A pachinko machine having a game control unit for controlling a game state and a voice drive circuit for outputting a voice corresponding to the game state, wherein the voice drive circuit includes performance data storing performance data. A voice synthesizing control unit that integrally includes a storage unit and a voice reproducing unit that sequentially reads performance data from the performance data storage unit in response to a command from the game control unit, and reproduces and outputs the data.
C. and a sample and hold circuit for holding a sound output signal output from the sound synthesis control IC. 2. An amplifier circuit for amplifying an audio output signal held by the sample and hold circuit, and a low-pass filter for eliminating noise of the audio output signal output from the amplifier circuit. The pachinko machine according to claim 1.