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JP2005244629

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DESCRIPTION JP2005244629
PROBLEM TO BE SOLVED: To provide a multi-channel audio system which is excellent in space
utility and reduced in space by reducing the number of externally arranged speakers. SOLUTION:
Provided in left and right external speakers 10L and 10R arranged on the left and right, a
subwoofer and 11 outputting a deep bass, left and right built-in speakers 24L and 24R built in
the television receiver 20, and a recording and reproducing device 30 Since the six speakers
capable of audio output with 5.1 channels by the center speaker 50 are provided, and the
recording / reproducing apparatus 30 and the television receiver 20 which are the main devices
are integrally provided with the speakers, It is possible to provide a multi-channel audio system 1
capable of achieving space saving and outputting high-quality voice without arranging six
speakers independently outside. [Selected figure] Figure 1
マルチチャンネルオーディオシステム
[0001]
The present invention is capable of outputting high-quality sound used in a recording medium
such as a multi-channel audio system provided with a plurality of 5.1-channel speakers, in
particular, a DVD (Digital Versatile Disc), and saving space. It relates to a multichannel audio
system.
[0002]
The multi-channel audio system constituting 5.1 channel that outputs high sound quality, which
has been conventionally used, is a subwoofer that outputs front speakers 101R and 101L, rear
speakers 100R and 100L, and heavy bass, as shown in FIG. 102, a center speaker 103 arranges a
total of six independent speakers for audio output in a room, and a system for outputting high-
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quality sound from each of the speakers 100R, 100L, 101R, 101L, 102, 103 is used. There is.
[0003]
Patent Document 1 discloses a television receiver incorporating six speakers for the purpose of
enjoying a realistic sound.
[0004]
Japanese Patent Application Laid-Open No. 2003-9279
[0005]
By the way, when arranging a multi-channel audio system in a room such as a small room, it is
impossible to arrange a plurality of independent speakers with a sufficient space unless the room
is a relatively large room as the condition.
[0006]
In other words, it is practically difficult to install a multi-channel audio system in a small room
and output realistic sound like a movie theater because of space problems, and it has been
difficult in recent years to If considered, it was not something that was very suitable.
[0007]
The present invention has been made in view of the above-described problems, and it is an object
of the present invention to provide a multi-channel audio system in which the number of
speakers independently disposed outside is reduced to save space.
[0008]
The multi-channel audio system according to claim 1 is provided in left and right external
speakers disposed on the left and right, a subwoofer outputting heavy bass, a left and right builtin speaker incorporated in a television receiver, and a recording and reproducing apparatus. In a
multi-channel audio system provided with speakers capable of audio output of 5.1 channels by a
center speaker, these left and right external speakers, subwoofers, television receivers, recording
and reproducing devices are configured as main independent devices, The left and right built-in
speakers are integrally provided to the television receiver, which is a main independent device,
and the center speaker is integrally provided at the center of the front of the recording and
reproducing unit.
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2
[0009]
According to the configuration of claim 1, the speakers constituting the multi-channel audio
system, in which it is essential to output independent voices from a plurality of speakers, are
integrally provided to the main devices constituting the multi-channel audio system. As a result, it
is possible to save space by reducing the number of speakers independently disposed outside,
and to output high-quality voice.
[0010]
A multi-channel audio system according to claim 2 is characterized in that, in the multi-channel
audio system according to claim 1, a monitor device is used in place of the television receiver.
[0011]
According to the configuration of claim 2, since the monitor device such as a personal computer
having high compatibility can be used, for example, the versatility is excellent.
[0012]
The multi-channel audio system according to claim 3 is the multi-channel audio system according
to claim 1 or 2, mainly on the inner sides of the recording and reproducing apparatus based on
the DVD unit and output signals from the DVD unit. A sound decoder amplifier for output to the
apparatus is spaced apart, and the center speaker is provided between the DVD unit and the
sound decoder amplifier.
[0013]
According to the configuration of claim 3, even if drive noise occurs when the recording medium
is rotated by the DVD unit, it is possible to suppress by the center speaker to prevent the
influence of the noise on the sound decoder amplifier. Noise can be prevented from being mixed
with the sound output from the speaker.
[0014]
According to the multi-channel audio system invention of claim 1, the left and right external
speakers disposed on the left and right, the subwoofer for outputting a deep bass, the left and
right built-in speakers incorporated in the television receiver, and the recording / reproducing
apparatus In a multi-channel audio system equipped with a speaker capable of 5.1-channel audio
output by means of a built-in center speaker, these left and right external speakers, subwoofer,
television receiver, recording and reproducing device are main independent devices In addition
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to providing the left and right built-in speakers integrally with the television receiver, which is
the main independent device, and the center speaker integrally provided at the front center of
the recording and reproducing device, space saving can be achieved. To be able to It can be.
[0015]
According to the invention of the multi-channel audio system of claim 2, in the claim 1, the
television receiver is replaced with a monitor device, which is excellent in versatility.
[0016]
According to the invention of the multi-channel audio system of claim 3, according to claim 1 or
2, output to main devices based on the DVD unit and output signals from the DVD unit on both
inner side portions of the recording and reproducing device. Since the center decoder is provided
between the DVD unit and the sound decoder amplifier, it is possible to prevent noise from being
mixed with the sound output from the speaker.
[0017]
Hereinafter, an embodiment as a best mode for carrying out the present invention will be
described with reference to FIGS. 1 to 3 below.
Of course, the present invention can be easily applied to configurations other than those
described in the embodiments without departing from the scope of the invention, as a matter of
course.
[0018]
1 is a 5.1 channel multi-channel audio system according to the present embodiment (hereinafter
referred to simply as a system).
)である。
In this system 1, as shown in FIG. 1, the external speakers 10L and 10R arranged on the left and
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right, the subwoofer 11 outputting heavy bass, the television receiver 20, and the recording and
reproducing device 30 are configured as main independent devices. A total of six speakers
including the right external speaker 10R, the left external speaker 10L, the subwoofer 11, the left
and right built-in speakers 24L and 24R incorporated in the television receiver 20, and the
center speaker 50 included in the recording / reproducing apparatus 30. Therefore, the channel
is 5.1 channel (note that the subwoofer is 0.1 channel).
The left external speaker 10L and the right external speaker 10R are used as so-called rear
speakers, that is, they are disposed on the back side of the viewer and sound is output from the
back side of the viewer, but the placement is Is not limited to the rear which is the back, and the
viewer can freely rearrange it as needed.
[0019]
The television receiver 20 is entirely formed by a cabinet 21 and has a display unit 22 for
displaying a screen on its front surface. Under the display unit 22, power on / off and the like It
has an operation button 23 for adjusting the volume and the like.
[0020]
The television receiver 20 further includes the left and right built-in speakers 24L and 24R,
which are integrally provided on the television receiver 20 on both sides of the display unit 22.
[0021]
FIG. 3 is an explanatory view showing a connection state of the system 1.
As shown in the figure, on the back of the television receiver 20, a video input jack 24 as a line
input to which a signal output from a line output of the recording / reproducing device 30
described later will be described later will be described. It is equipped with 25L and 25R.
[0022]
On the back of the recording / reproducing apparatus 30, a video output jack 34 as line output
and left and right audio output jacks 35L and 35R are provided to correspond to the video input
jack 24 and the left and right audio input jacks 25L and 25R described above. Are connected to
each other by a connection cable 40.
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[0023]
Furthermore, on the back of the recording / reproducing apparatus 30, in addition to the line
output video output jack 34 and the left and right audio output jacks 35L and 35R to be output
to the television receiver 20 described above, the left and right external speakers 10L and 10R
and the subwoofer 11 The left and right external speaker output jacks 36L and 36R and the
subwoofer output jack 37 for outputting to the signal line are directly connected to each other by
the connection cable 41.
The television receiver 20 is placed on the top of the housing 31 of the recording and
reproducing device 30.
[0024]
FIG. 2 is a perspective view showing an example of the recording / reproducing apparatus 30,
and various operations for reproducing / stopping the recording medium or adjusting the volume
of the recording medium on the front surface of the recording / reproducing apparatus 30 will
be described with reference to FIG. A button 53 is provided, and a center speaker 50 is disposed
at the center of the front.
[0025]
A DVD unit 51 capable of recording / reproducing a recording medium such as a disc is provided
on one side of the recording / reproducing apparatus 30, and a signal output from the DVD unit
51 is converted on the other side. A sound decoder amplifier 52 is provided which outputs
sound, images and the like to main devices such as the television receiver 20 and speakers based
on the converted signal.
Further, behind the sound decoder amplifier 52 and the DVD unit 51, there is provided a power
supply block 54 having various electronic components such as integrated circuits and resistors
and having various control functions.
Although one example of the recording and reproducing apparatus 30 in the present
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embodiment has both functions of recording on and reproducing from the recording medium, the
present invention is not limited to this and has only the function of reproduction. It is good.
[0026]
In the system 1 configured as described above, the sound decoder of the recording / reproducing
device 30 is inserted when the recording / reproducing device 30 inserts a recording medium on
which an image or sound such as a movie is recorded into the DVD unit 51 for reproduction. Left
and right external speakers 10L and 10R disposed on the left and right, the subwoofer 11
outputting heavy bass, and left and right built-in speakers 24L provided on the left and right of
the television receiver 21 by the amplifier 52 and the like. , 24R, and an audio signal etc. to each
of the center speakers 50 provided in the recording / reproducing apparatus 30, it is possible to
output an independent sound from each of the speakers 10L, 10R, 11, 24L, 24R, 50, so that it
has a sense of realism You can enjoy the overflowing high sound quality.
Furthermore, for example, as in the conventionally used 5.1 channel audio system, the left and
right built-in speakers 24L of the television receiver 20 can be provided without arranging a total
of six speakers independently in a limited space. 24R and the center speaker 50 built in the
recording / reproducing apparatus 30 are effectively used as a part of the system 1 so that the
main system 1 can be configured without separately providing the center speaker 50 outside. By
incorporating such a center speaker 50 in the recording / reproducing apparatus 30 which is an
apparatus, the system 1 can be simply provided by disposing only a total of three speakers of left
and right external speakers 10L and 10R and the subwoofer 11 outside. System 1, so even if it is
a space-saving space without using wasted space, It is possible to.
[0027]
As mentioned above, although the Example of this invention was explained in full detail, this
invention is not limited to the said Example, A various deformation | transformation
implementation is possible within the range of the summary of this invention.
For example, the video input jack 24 and the left and right audio input jacks 25L and 25R
provided on the back of the television receiver 1 are provided on the front of the television
receiver 1 and the corresponding video on the back of the recording / reproducing device 30 The
output jack 34, the left and right audio output jacks 35L and 35R, the left and right external
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speaker output jacks 36L and 36R, and the subwoofer output jack 37 may be provided on the
front of the recording and reproducing apparatus 30.
Thus, the connection work of the connection cable 41 and the like can be performed more easily.
Therefore, in a small room, it is possible to easily install the system 1, which has been difficult to
install due to space problems substantially, and it is possible to output realistic high-quality
sound like a cinema. .
[0028]
Moreover, in the system 1 in the present embodiment, the television receiver 20 provided with
the pair of left and right built-in speakers 24L and 24R is also used to realize the system 1, but
instead of the television receiver 20, A monitor device used for a personal computer or the like
provided with a pair of left and right speakers may be applied.
[0029]
In addition, when the recording / reproducing apparatus 30 or the like has a tuner function, the
tuner function can receive television broadcasts such as multiplexed broadcasts received and can
output from each speaker, so high-quality broadcasts can also be received. Can be output from
the speaker for viewing.
[0030]
Further, since the center speaker 50 is provided between the DVD unit 51 and the sound decoder
amplifier 52, the drive noise generated when the recording medium is rotated and played back
by the DVD unit 51 is a sound decoder. In order to prevent the amplifier 52 from being affected
by noise, the center speaker 50 can be suppressed by being disposed between the DVD unit 51
and the sound decoder amplifier 52.
In this case, it is preferable that the height of the center speaker 50 be equal to or higher than
the height of the DVD unit 51, and if the exterior of the center speaker 50 is a noise preventing
member, noise can be more reliably prevented. it can.
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[0031]
In addition, in the system 1 of the present embodiment, a total of six speakers are provided, but
the number of speakers is not limited to six, and it is a system for outputting audio from a
plurality of speakers, for example, seven Even in a system provided with the above-described
speakers, similar effects can be obtained by incorporating the speakers in the main device as in
this embodiment.
[0032]
FIG. 1 is a perspective view of the system of the present invention.
It is a perspective view which shows a recording and reproducing apparatus same as the above.
FIG. 6 is an explanatory view showing a connection state of the system.
FIG. 1 is a perspective view showing a conventionally used system.
Explanation of sign
[0033]
1 system (multi-channel audio system) 10L left external speaker 10R right external speaker 11
subwoofer 20 television receiver 24L left built-in speaker 24R right built-in speaker 30 recording
/ reproducing device 50 center speaker 51 DVD unit 52 sound decoder amplifier
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