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JPH06165877

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JPH06165877
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the
improvement of a headphone system for listening to sound effects of, for example, video games.
[0002]
2. Description of the Related Art Characters used in video games are various, such as humans,
animals, vehicles and the like. These characters can be moved up, down, left, and right on the
screen, but if the sounds appropriate for each character are made to correspond to the
movement of the characters, the fun of the game will be enhanced. Therefore, in many television
game programs, sound image data about sound effects are recorded, and the game machine body
is provided with a sound source circuit that converts the sound image data into an audio signal.
[0003]
The voice signal from the sound source circuit is replaced with voice mainly by a speaker
provided in a television, but headphones are often used. There are many types of this headphone,
the most common being stereo headphones in which a unit having a receiver is provided at both
ends of the headband. This stereo headphone is worn with its speaker unit covered with both
ears, so that it has the advantage of being able to interrupt surrounding sounds during the game
and be able to concentrate on the game. In addition, since the game sound is unlikely to leak to
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the outside if stereo headphones are used, it does not cause any trouble to the surroundings.
Furthermore, regardless of the posture of the game player, the sound image can be localized with
certainty.
[0004]
What has been conventionally used as such stereo game headphones is a stereo headphone for
ordinary audio. Then, a headphone system is configured by connecting the stereo headphones to
the sound source circuit of the game machine main body. An example of such a headphone
system will be described below with reference to the drawings. That is, as shown in FIG. 7, cupshaped units 2 are provided on the opposite ends of the headband 1 made of an elastic member
curved in an anticircular shape, with the bottom surface facing outward. Each unit 2 incorporates
a receiver 3 for converting an electrical signal into a sound, and the diaphragms of the receiver 3
face each other. A cord is connected to each receiver and is pulled out of the unit 2. And, at the
tip of the cord, a plug for connecting to the jack of the game machine body is provided. On the
other hand, the game console body incorporates a circuit for sending audio signals to the left and
right receivers, and is connected to the jack of its output terminal.
[0005]
Such a headphone system is used as follows. That is, the headband is hung on the head, the unit
is worn so as to cover the left and right ears, and the plug is connected to the jack of the game
console. When the game is started, the output signal from the circuit of the game console is sent
to the receiver, so that the sound effects of the game can be heard. Then, the sound effects can
be localized according to the movement direction of the character appearing on the screen of the
television from the receiver. For example, if the character emerges from the right, raise the
volume of the right receiver and decrease the volume of the right receiver as you move to the
left. Along with that, by raising the volume of the left receiver, the movement of the character can
be realistic.
[0006]
However, the conventional headphone system as described above has the following drawbacks.
That is, in recent video games, since the theme of the game is diversified, it is often necessary to
move the characters back and forth rather than left and right in the progress of the game. In this
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case, it is possible to give the feeling of moving back and forth on the screen by changing the size
of the character. However, it is difficult to obtain the same effect on sound effects. In other
words, if what was recorded on the recording medium in advance by binaural recording etc. is
reproduced as it is, it can be heard with realism of front, rear, left and right, but like a video
game, the distance between the player and the character is planned in advance If the game is
changed one after another under the control of the player, it is necessary to always control the
sound image data of the game with the control data to change the output from the output
terminal of the game console. However, in the conventional headphone system, only the volume
of the pair of left and right receivers can be changed, so only the feeling of movement in the left
and right direction can be obtained as described above. Also, in the case where the character
moves out from the front to the back, or moves to the left or right behind, or following from the
back, the character is not displayed on the screen, so the character's position can not be
determined.
[0007]
The present invention has been proposed to solve the above-mentioned problems, and its object
is to make a headphone system capable of localizing a sound image in the front, rear, left, right,
up and down in correspondence with movement of a character in a video game. It is to provide.
[0008]
SUMMARY OF THE INVENTION In order to achieve the above object, the present invention
according to claim 1 is connected to a headphone having a receiver in a unit wearable on the left
and right ears, and the receiver. In the headphone system having a sound source circuit for
transmitting an audio signal to the receiver, a plurality of receivers are provided in the unit back
and forth or up and down, connected to the receiver, and control for adjusting the volume back
and forth or up and down of the receiver A control circuit for transmitting a signal is provided,
and an audio signal from the sound source circuit is controlled by the control signal from the
signal circuit between the sound source circuit and the control circuit and the headphone to
localize a sound image and transmit it to a receiver. A mixing circuit is provided.
[0009]
The present invention according to claim 2 is connected to a headphone equipped with a receiver
in a unit attachable to the left and right ears, the receiver and the game machine of the video
game, and the effect of the character of the video game on the receiver In a headphone system
having a sound source circuit for transmitting an audio signal of sound, a control circuit for
providing a plurality of receivers in the unit back and forth or up and down and transmitting
control signals for adjusting the volume of the front and back or up and down receivers is
provided. A receiver is connected to the game machine, a controller for controlling an image
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signal of the character is connected to the control circuit, and an audio signal of a sound effect
from the sound source circuit is made to correspond to control of the character by the controller.
It controls by the control signal from the control circuit and transmits it to the receiver. Mixing
circuitry to localize a sound image of the restrictor, characterized in that provided between the
headphone and the sound source circuit and the control circuit.
[0010]
The operation of the present invention having the above construction is as follows.
That is, in the present invention according to the first aspect, the headphones are worn so that
the ear is positioned at the middle of the receivers disposed in front and back or up and down.
The audio signal transmitted from the sound source circuit and the control signal transmitted
from the control circuit are sent to the mixing circuit.
In the mixing circuit, the audio signal is distributed to the left and right receivers, and the volume
of the front and rear or upper and lower receivers is adjusted by the control signal. Therefore,
the sound image is localized at any position in the front, rear, left, right or up and down.
[0011]
In the second aspect of the present invention, as described above, headphones are worn to start a
video game. When the character is controlled by the controller, the sound signal of the sound
effect transmitted from the sound source circuit and the control signal transmitted from the
control circuit are sent to the mixing circuit. In the mixing circuit, the audio signal is distributed
to the left and right receivers, and the volume of the front and rear or upper and lower receivers
is adjusted by the control signal. Therefore, the sound image of the character is localized in the
front, rear, left, right or up and down according to the assumed position of the character.
[0012]
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A video game machine equipped
with a headphone system according to the present invention will be described below with
reference to the drawings. The same members as those of the conventional example are given the
same reference numerals, and the description thereof is omitted. The headphone according to
claim 1 is a stereo headphone, the control circuit is an I / O control circuit, and the mixing circuit
is a 4-channel mixing circuit. Also, with the headband worn on the ear, the face side is front, the
back head side is back, the right ear side is right, the left ear side is left, the top side is upper, and
the chin side is lower.
[0013]
(1) Configuration of the Embodiment The configuration of this embodiment will be described
below. First, the structure of stereo headphones is as follows. That is, as shown in FIG. 1,
rectangular parallelepiped shaped units 2 are provided at both ends of the headband 1. As shown
in FIG. 2, the receivers 3 are provided one by one on each of the front and rear in each unit 2,
and the receivers 3 on the front and rear are provided diagonally facing each other so that the
diaphragms face the ears. . Then, as shown in FIG. 3, each receiver 3 is connected to the fourchannel mixing circuit 4a by a connection cord. The four-channel mixing circuit 4a is
incorporated in an interface box 4 separate from stereo headphones. Further, a first code 5a for
inputting an audio signal and a second code 5b for inputting a volume control signal of each
receiver 3 are connected to the four-channel mixing circuit 4a. These cords 5a and 5b are drawn
out of the interface box 4 and provided with a plug at the tip for connecting to a jack of the game
machine body.
[0014]
On the other hand, the game machine main body 6 is provided with a sound source circuit for
converting sound image data recorded in the game program into an audio signal, and for
adjusting the volume reproduced from each receiver 3 in accordance with the movement of the
character displayed on the screen. The control circuit is built in. A circuit block diagram in the
game machine body 6 will be described below. That is, as shown in FIG. 4, a program memory 8,
a work RAM 9, an I / O control circuit 10, a tone generator circuit 11, and an image processing
circuit 12 are connected to a CPU (central processing unit) 7. The program memory 8 stores a
game program and is built in the game cartridge 13. The game cartridge 13 is detachably
provided to the game machine body 6, and the program memory 8 is connected to the CPU 7 by
a connector. Also, a video RAM 15 and an encoder circuit 16 are connected to the image
processing device 12. A connection cord is connected to the encoder circuit 16, and the
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connection cord is connected to the television 17.
[0015]
Furthermore, a connection cord for signal input is connected to the I / O control circuit 10, and
this connection cord is pulled out from the game machine body 6 and is connected to a character
control controller 14 separate from the game machine body 6. doing. The sound source circuit
11 connected to the CPU 7 is connected to the first jack 6 a of the game machine body. Then, as
shown in FIG. 3, the sound source circuit 11 and the four-channel mixing circuit 4a are
connected by inserting the plug of the first cord 5a pulled out of the interface box 4 into the first
jack 6a. The control signal output terminal of the I / O control circuit 10 is connected to the
second jack 6 b of the game machine body 6. The I / O control circuit 10 and the four-channel
mixing circuit 4a are connected by inserting the plug of the second cord 5b drawn from the
interface box 4 into the second jack 6b. Therefore, it is possible to input the audio signal from the
sound source circuit 11 and the volume control signal from the I / O control circuit 10 to the
four-channel mixing circuit 4a.
[0016]
(2) Operation of the Embodiment The operation of the present embodiment having the above
configuration is as follows. That is, the headband 1 is worn on the head such that the ears are
positioned at the centers of the front and rear receivers 3. Then, as shown in FIGS. 2 and 5, four
receivers 3 are located on the front, rear, left, and right with reference to the ear.
[0017]
Next, the game is started, the character is displayed on the screen of the television 17, and the
position of the character is operated by the controller 14. The procedure of the volume control of
the receiver 3 in accordance with the movement of the character will be described by a
flowchart. That is, as shown in FIG. 6, in step 18, the game program stored in the program
memory 8 sets initial values of the character display position and the sound image localization
position, and this data is sent to the CPU 7. At step 19, the CPU 7 calculates the display
coordinates of the character and the sound image localization position. Then, at step 20, the
background image data of the game program is sent to the CPU 7 and developed on the video
RAM 15 through the image processing circuit 12. At step 21, character image data of the game
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program is sent to the CPU 7 and developed in the video RAM 15 via the image processing
circuit 12. At step 22, the contents of the video RAM 15 are output to the television via the image
processing circuit 12 and the encoder circuit 16 and displayed on the screen of the television.
[0018]
Further, at step 23, sound image data of the game program relating to the timbre, pitch, and
outputs of the left and right channels is sent to the tone source circuit 11 through the CPU 7 and
sent from the tone source circuit 11 to the four channel mixing circuit 4a as an audio signal. At
step 24, control data relating to the volume of the receiver 3 before and after is sent to the I / O
control circuit 10 via the CPU 7 and sent from the I / O control circuit 10 to the four-channel
mixing circuit 4a as a control signal. In step 25, in the four-channel mixing circuit 4a, the audio
signal from the sound source circuit 11 is adjusted by the control signal and output from the
receiver 3. That is, the sound volume of the front and rear receivers 3 is set, the sound of the left
and right channels is distributed to the front and back, respectively, and the sound effects are
output from the four receivers 3.
[0019]
Then, in step 26, when the controller 14 is not operated, there is no input from the controller 14
and the position of the character does not have to be changed, so the character remains at the
same display coordinates and the same sound image localization position. Thus, steps 20 to 24
are repeated. On the other hand, when the controller 14 is operated, there is an input from the
controller 14 and the position of the character moves. Then, in step 27, calculation of a new
display coordinate of the character and a sound image localization position is performed.
Thereafter, steps 20 to 24 are repeated.
[0020]
As described above, by performing the volume control of the receiver 3, the sound image of the
character of the game is localized. A specific example will be described below. That is, in a roleplaying game where one of the main interests of the game is to search for an object, the sound
image of the object is localized at an arbitrary position to confirm the position of the object Do.
For example, if the object is a river and the river is located behind the character, or if the river is
located behind the player, the sound of water is output from the receiver 3 and then the back
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The sound image is localized rearward by raising the volume of the receiver 3 of FIG. And when
the character approaches the river, it makes the sound louder, and when it goes away it makes
the sound small. Also, in games where one of the main interests of the game is that the enemy
character comes from front, back, left, and right, as in a game using a 3D screen configuration,
the sound image of the enemy character is localized at an arbitrary position. Let me check the
position of the enemy character. For example, when a fighter strikes from behind, the jet sound is
output from the receiver 3 behind and gradually increases the volume. When the fighter
withdraws the character or the player, the volume of the receiver 3 in front is also raised, and the
volume is gradually lowered as it flies forward.
[0021]
(3) Effects of the Embodiment The effects of the embodiment as described above are as follows.
That is, since the receiver 3 is provided at the front and back of the ear and the above-mentioned
circuit enables the sound image to be localized in the back and forth direction, the target is
located at the back of the character or Even if the target can not be displayed on the screen with
the setting of being positioned behind, it is possible to search for the target through sound
effects. In addition, it can be made to recognize that the enemy character comes in from behind
the player by sound.
[0022]
(4) Other Embodiments The present invention is not limited to the embodiments described above,
and the shape, dimensions, and the like of each member can be changed as appropriate. For
example, if the receiver 3 provided in the headphone unit is provided not on the front and rear
but on the top and bottom and the volume control of the top and bottom receivers 3 is
performed by the I / O control circuit 10 Even if the setting is such that the object is hidden, the
target character can be recognized by sound, and even if the enemy character is approaching
from the upper or lower screen, the enemy character can be recognized by sound. Can. And by
providing the receiver 3 in the front-rear direction as described above on such headphones, it
becomes possible to perform sound image recognition in the front-rear, left-right, and up-down
directions.
[0023]
Further, the present invention is applicable not only to game machines for game cartridges but
also to all video game machines such as game machines for CDs.
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[0024]
As described above, according to the present invention, it is possible to move the character of the
game by a simple configuration in which the headphone is provided with a plurality of receivers
in front and back or up and down, and a control circuit for transmitting control signals to the
receivers. Accordingly, it is possible to provide a headphone system capable of localizing the
sound image in the front, rear, left, right, up and down directions.
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