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DESCRIPTION JP2015018078

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DESCRIPTION JP2015018078
PROBLEM TO BE SOLVED: To provide a single karaoke unit which can be used widely at home
without using a karaoke apparatus, generating noise easily, at home without any limitation, and
with no limitation on compatible reproducing devices. I assume. A main unit 1, a microphone
device 2 and a headphone 3 directly connected to the main unit 1, and an earphone jack are
connected to the main unit 1 through a connection cord 5 connected to the earphone jack. A
singing voice signal taken into the main unit 1 from the microphone device 2 and an
accompaniment voice signal taken into the main unit 1 from the music reproducing device 4 via
the connection cord 5 The headphone amplifier 16 outputs the signal to the headphone 3 so that
the accompaniment from the music reproducing device 4 and the singing voice from the
microphone device 2 can be simultaneously listened to. [Selected figure] Figure 1
One karaoke unit
[0001]
The present invention relates to a unit for single karaoke, and more particularly to a unit for
single karaoke having a microphone which can be enjoyed by oneself at home and the like and in
which singing voice does not leak around.
[0002]
So-called karaoke is one of the popular entertainments of today.
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In recent years, there are a large number of karaoke facilities in front of the station, downtown,
along a main road, etc., and anyone can feel free to use it among friends. However, recently,
facilities and devices capable of enjoying karaoke at home have also been developed, and it has
become possible to enjoy and practice karaoke alone at home.
[0003]
By the way, since karaoke naturally sings, there may be a problem with noise to the
neighborhood when enjoying karaoke at home. In view of such a situation, a method for
introducing a karaoke apparatus into a capsule-shaped small room (Japanese Patent Laid-Open
No. 2004-198501) or an inverted singing voice sound wave is used as an invention for
preventing the occurrence of noise problems. A method (Japanese Patent Application Laid-Open
No. 2001-34277) or the like for muffling singing voices has been proposed, and a method
(Japanese Patent Application Laid-open No. 6-236194) in which the entire face including the
head is covered with a helmet is also proposed.
[0004]
However, in the case of these inventions, there is a problem in installation and installation space
and a problem in cost, which is not easy. Therefore, as intended to be easily available, the cover
described in Japanese Patent Application Laid-Open Nos. 6-324685 and 11-127492 prevents the
diffusion of singing voice and the generation of noise. It has been proposed to prevent. However,
in order to implement these inventions, since a general karaoke machine is needed, it is not
suitable for the application of personal use.
[0005]
Therefore, as a system by which one person can easily enjoy karaoke, for example, a system in
which a microphone 32 with a hood covering a mouth is connected to a music reproduction
device 31 such as a CD radio cassette player has been proposed and is commercially available. In
the case of this system, the microphone cord is connected to the microphone jack of the
reproduction device, and the headphone 33 is connected to the earphone jack of the
reproduction device for use. The accompaniment reproduced by the reproduction device is the
headphone 33 from the headphone 33 The user's singing voice is picked up by the microphone
32 and taken into the reproduction device 31, is output together with the accompaniment, and
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reaches the user's ear through the headphone 33 together with the accompaniment (see FIG. 4).
[0006]
However, this system has a disadvantage that it lacks versatility because it can not be used unless
the playback device has a microphone jack and an earphone jack.
[0007]
JP-A 2004-198501 JP-A 2001-34277 JP-A 6-236194 JP-A 6-324685 JP-A 11-127492 JP http:
// www. jtt. ne. jp / shop / product / mute_mic_iphone / index. html
[0008]
As mentioned above, recently more and more people are enjoying karaoke by themselves at
home, and what has been proposed as a karaoke apparatus for such use requires cost and space
for installation, There is a problem that it can not be used unless a special karaoke device is
required or the playback device is provided with a microphone jack and an earphone jack, so that
it lacks versatility.
[0009]
Therefore, the present invention provides a unit for one person karaoke that can be used widely
without requiring a karaoke apparatus, can be easily used at home without generating noise, and
is not limited to the compatible playback devices. As an issue.
[0010]
The invention according to claim 1 for solving the above problems is a main unit, a microphone
device and a headphone directly connected to the main unit, and a connection cord having an
earphone jack and connected to the earphone jack. The microphone device is in close contact
with the periphery of the mouth to prevent leakage of the singing voice, and the microphone
body disposed at the deepest portion of the hood. A vocal voice signal taken into the main unit
from the microphone device, and an accompaniment voice signal taken into the main unit from
the music reproducing device via the connection cord; It is simultaneously output from the
headphone amplifier to the headphone, whereby, in the headphone, the accompaniment from the
music reproduction device and the microphone Was one karaoke unit to the own voice of laid et
al, characterized in that to listen simultaneously.
[0011]
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The music player includes at least a CD radio cassette having an earphone jack, a cassette player,
a CD player and other players, a personal computer, a mobile phone, a smart phone, a portable
digital recorder, and a television.
[0012]
The present invention is as described above, does not require a special karaoke device, can be
used with any music playback device having an earphone jack, and there is no risk of sound
leakage when singing, so at home There is an effect that can be used easily.
[0013]
It is a figure which shows one usage pattern of the unit for one-person karaoke which concerns
on this invention.
It is a block diagram which shows the internal structure of the main body unit in the unit for oneperson karaoke which concerns on this invention.
It is a perspective view which shows the structure of the microphone apparatus used in the unit
for one-person karaoke which concerns on this invention.
It is a figure which shows the type of usage of the conventional unit for one person karaoke.
[0014]
The configuration of the unit for single karaoke according to the present invention will be
described with reference to the attached drawings.
The unit for one-person karaoke according to the present invention comprises the main unit 1,
the microphone device 2 connected to the main unit 1, the music player 4 having the
headphones 3 and the earphone jack, the main unit 1 and the music player 4 And the connection
cord 5 to be connected.
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The headphone 3 includes an ear muff type, an ear muff type, and an earphone type inserted into
the ear canal.
[0015]
FIG. 2 is a block diagram showing a schematic configuration of the main unit 1. As shown
therein, the main unit 1 connects the microphone jack (input terminal) 11 for connecting the
microphone device 2 and the headphones 3 And an accompaniment input jack (input terminal)
13 for connecting the connection cord 5 connected to the music reproducing apparatus 4.
[0016]
In the main unit 1, at least a microphone amplifier 15 attached to the microphone jack 11, a
headphone amplifier 16 attached to the headphone jack 12, and an accompaniment input jack
13 An amplifier 17 and a volume adjustment circuit 18 for adjusting the volume of the
microphone device 2 are provided, and an echo adjustment circuit 19 for adding an echo to the
microphone sound is incorporated as necessary.
[0017]
In the example shown in FIG. 1, the volume knob 25 for volume adjustment and the volume knob
26 for echo adjustment are rotary volumes, but may be slide volumes.
Generally, the volume control 25 for volume adjustment doubles as a power switch.
A power supply (DC power supply) for driving each amplifier is omitted.
[0018]
The microphone device 2 has a hood 21 such as a conical shape whose size allows the opening
22 to completely surround the mouth, and the microphone body 23 is installed at the deepest
part of the hood 21.
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A flexible material such as urethane foam is disposed in the opening 22 so as to be in intimate
contact with the periphery of the mouth without discomfort when used.
The microphone device 2 has such a configuration, and since the opening 22 is in close contact
with the peripheral edge of the mouth during use, the singing voice is prevented from leaking
during use.
[0019]
The music player 4 may be of any type, provided it has an earphone jack. For example, a CD
radio cassette player, a cassette player, a CD player, a personal computer, a mobile phone, a
smart phone, a portable digital recorder, a television, etc. It is possible. Each of these music
reproduction devices 4 reproduces the accompaniment of a song including a back chorus or the
like recorded in the corresponding media or recorded in the built-in memory, and the audio
signal thereof is transmitted to the main unit via the connection cord 5 Supply to 1.
[0020]
The connection cord 5 has a plug 5a corresponding to the accompaniment input jack 13 at one
end and an earphone plug (3.5 diameter) 5b at the other end. Therefore, it can be connected to
the earphone jack of any music player 4. In other words, any music player 4 can be connected to
the main unit 1 by using the connection cord 5.
[0021]
When using the unit for single karaoke according to the present invention having such a
configuration, the microphone device 2 and the headphone 3 are connected to the main unit 1,
and the music player 4 is selected as appropriate. The earphone plug 5b is inserted to connect
the music player 4 to the main unit 1, and the preparation is completed.
[0022]
Therefore, when the headphone 3 is attached to the ear, the switch of the music playback device
4 is turned on to select a desired song, and the desired song is played back, the accompaniment
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audio signal of the song is taken into the accompaniment amplifier 17 and amplified. It is sent to
the amplifier 16.
The accompaniment audio signal input to the headphone amplifier 14 is amplified there and sent
out to the headphone, and the user wearing the headphone 3 can listen to the accompaniment.
[0023]
The user presses the opening 22 of the microphone device 2 around the mouth, and starts
singing at the point when the song starts. The singing voice is picked up by the microphone body
23, and the picked up singing voice signal is amplified by the microphone amplifier 15 and input
to the headphone amplifier 16. The singing voice signal input to the headphone amplifier 16 is
sent to the headphone 3 together with the accompaniment voice signal, so that the user can
listen to his / her singing voice along with the accompaniment. The user can adjust the volume of
the singing voice by operating the volume adjustment knob 25 at any time, and can adjust the
degree of echo by operating the echo adjustment knob 26.
[0024]
Although the invention has been described in some detail with respect to its most preferred
embodiments, it will be apparent that widely different embodiments can be configured without
departing from the spirit and scope of the invention. Accordingly, the present invention is not to
be limited to any particular embodiment except as set forth in the appended claims.
[0025]
DESCRIPTION OF SYMBOLS 1 main unit unit 2 microphone device 3 headphone 4 music
playback device 5 connection cord 11 microphone jack 12 headphone jack 13 accompaniment
jack 15 microphone amplifier 16 headphone amplifier 17 accompaniment amplifier 18 volume
control circuit 19 echo control circuit 21 hood 22 Opening 23 Microphone body 25 Volume
adjustment knob 26 Echo adjustment knob
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