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JP2005161873

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JP2005161873
PROBLEM TO BE SOLVED: To properly perform conversation in a vehicle cabin. SOLUTION: For
example, when the passenger sitting in the left rear seat 5 selects a "driver" as a conversation
partner and selects "two-way" as a conversation direction, the vehicle interior sound field control
system 1 generates a voice. Is input to the microphone 51 of the left rear seat 5, the input sound
is output from the speakers 22 and 23 of the driver's seat, and when the sound is input to the
microphone 21 of the driver's seat 2, the input It controls so that the voice is outputted from the
speakers 52 and 53 of the left rear seat 5. Even if the user is sitting at the left rear seat 5, for
example, the driver can make the driver properly hear the voice emitted by the driver, and the
driver can properly hear the voice emitted by the driver. it can. [Selected figure] Figure 1
Interior sound field control system
[0001]
The present invention relates to a vehicle interior sound field control system that controls a
sound field in a vehicle interior.
[0002]
In the passenger compartment, various sounds such as music output from an audio device, voice
guidance output from a navigation device, warning sound output from a collision prevention
device, and road noise coexist.
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Therefore, for example, in a situation where music is output at a very high volume, the user can
not make the voices of his / her own voice properly heard by other crew members, or the voices
of other crew members can There is a problem that can not hear properly. In particular, if the
user is a driver and tries to face the other occupant while talking while driving, it is dangerous
because the driving is hindered.
[0003]
The present invention has been made in view of the above-described circumstances, and an
object thereof is to provide a vehicle interior sound field control system capable of appropriately
performing conversation in a vehicle interior.
[0004]
According to the vehicle interior sound field control system described in claim 1, when the voice
is input to the voice input means of one of the seats identified by the seat identification means,
the control means identifies the input voice as the seat identification It is outputted from the
sound output means of the other seat specified by the means.
In this way, when the user is sitting in one seat, the user can properly make the other occupants
sitting in the other seat hear the sound emitted by the user, and the user goes from the other
occupant. Conversation in the right direction, and if you are sitting in the other seat, you can
properly hear the voices of the other occupants sitting in one seat, You can properly talk in the
direction from your crew to yourself.
[0005]
According to the vehicle interior sound field control system described in claim 2, when the voice
is input to the voice input means of one of the seats specified by the seat specifying means, the
control means outputs the one of the inputted voices. The sound field is controlled to have
directivity from the position of the seat to the position of the other seat. In this way, when the
user is sitting in one seat, the user flies from the position of the seat where he / she is sitting to
the position of the seat where the other occupant is sitting. You can tell the crew and, if you are
sitting in the other seat, let the voices of other crews fly from the seat where the other crew is
sitting to the seat where you are sitting I can hear it.
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2
[0006]
According to the invention described in claim 3, when the voice is input to the voice input means
of one seat identified by the seat identifying means, the control means identifies the input voice
by the seat identifying means When voice is input to the voice input means of the other seat
specified by the seat specification means while outputting from the voice output means of the
other seat, the input voice is one seat specified by the seat specification means Output from the
voice output means of As a result, the user can properly make the other occupants hear the
voices produced by the user, and the user can properly listen to the voices produced by the other
occupants, and the other occupants can hear from themselves. A two-way conversation can be
conducted appropriately between the direction in which the driver is heading and the direction in
which he / she is heading from you.
[0007]
According to the vehicle interior sound field control system described in claim 4, when voice is
inputted to the voice input means of one of the seats specified by the seat specifying means, the
control means makes the inputted voice one of the ones The sound field is controlled to have
directivity from the position of the seat to the position of the other seat, and when the voice is
input to the voice input means of the other seat specified by the seat specifying means, the
inputted voice Controls the sound field so as to have directivity from the position of the other
seat to the position of the one seat. In this way, the user can let other occupants hear the voice he
/ she emits from the position of the seat where he / she is sitting to the position of the seat
where the other occupant is sitting, and The voice emitted by the occupant can be heard from the
seat where the other occupant is seated as if it is flying to the seat where he is seated.
[0008]
First Embodiment Hereinafter, a first embodiment in which the present invention is applied to a
sound field control system for controlling a sound field in a vehicle compartment having a tworow seat configuration will be described with reference to FIGS. 1 to 5. explain. FIG. 1
schematically shows an aspect in which a microphone, a speaker and an operation panel are
disposed in a vehicle compartment. A driver's seat 2, a passenger seat 3, a right rear seat 4 and a
left rear seat 5 are provided in the passenger compartment A. The room sound field control
system 1 comprises a driver seat 2, a passenger seat 3, a right rear seat 4 and Microphones 21,
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31, 41, 51 (voice input means in the present invention), speakers 22, 23, 32, 32, 34, 43, 52, 53
(voice output means in the present invention) in the left rear seat 5, respectively. And operation
panels 24, 34, 44 and 54 are arranged.
[0009]
Specifically, in the vicinity of the driver's seat 2, the microphone 21 is disposed, for example, on
the side of the steering wheel 6 so as to properly collect the sound emitted by the driver, and a
pair of right and left speakers 22 and 22 In order to properly hear the sound output from them,
the driver 23 is disposed, for example, by sandwiching the microphone 21 at the side of the
steering wheel 6, and the operation panel 24 is a position where the driver can easily operate. Is
located in
[0010]
Further, around the passenger seat 3, the microphone 31 is disposed, for example, on a
dashboard (not shown) so as to properly collect the sound emitted by the passenger sitting on
the passenger seat 3, and the pair of right The speaker 32 and the left speaker 33 are disposed,
for example, with the microphone 31 sandwiched in the dashboard so that the sound output
from them can be properly heard by the passenger sitting in the front passenger seat 3, and the
operation panel 34 is It is arranged at a position where an occupant sitting in the front passenger
seat 3 can easily operate.
[0011]
In addition, around the right rear seat 4, the microphone 41 is disposed, for example, at the
headrest of the driver's seat 2 so as to properly collect the sound emitted by the occupant sitting
in the right rear seat 4, and the pair of right The speaker 42 and the left speaker 43 are disposed,
for example, by sandwiching the microphone 41 in the headrest of the driver's seat 2 so that the
sound output from them can be properly heard by the occupant sitting in the right rear seat 4,
The panel 44 is disposed at a position where an occupant sitting in the right rear seat 4 can
easily operate.
[0012]
Furthermore, around the left rear seat 5, the microphone 51 is disposed, for example, at the
headrest of the passenger seat 3 so as to properly collect the sound emitted by the occupant
sitting in the left rear seat 5, and the pair of right The speaker 52 and the left speaker 53 are
disposed, for example, so as to sandwich the microphone 51 in the headrest of the passenger
seat 3 so that the sound output from them can be properly heard by the occupant sitting in the
left rear seat 5, The panel 54 is disposed at a position where an occupant sitting in the left rear
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seat 5 can easily operate.
[0013]
FIG. 2 shows the electrical configuration of the sound field control system 1 described above.
The control device 7 (seat specifying means in the present invention, control means) includes a
CPU, a RAM, a ROM, an I / O bus, etc., and controls the overall operation of the vehicle interior
sound field control system 1 by executing a control program. The microphones 21, 31, 41, 51
described above, the speakers 22, 23, 32, 33, 42, 43, 52, 53 and the operation panels 24, 34, 44,
54 are connected to each other.
[0014]
Operation panels 24, 34, 44, and 54 are formed of, for example, liquid crystal displays capable of
displaying touch buttons, and as shown in FIG. 3, a conversation partner selection screen for the
user to select a conversation partner (FIG. a) See), and a conversation direction selection screen
(see FIG. 3B) and the like for the user to select the conversation direction.
In this case, when the conversation partner selection screen is displayed, the user selects one of
the "driver's seat" button 71, the "passenger seat" button 72, the "right rear seat" button 73 and
the "left rear seat" button 74. When it is possible to select a conversation partner by operating
any of them, and when the conversation direction selection screen is displayed, the "interactive"
button 75, "a conversation partner from me" button 76, and "a conversation" The conversation
direction can be selected by operating one of “others” button 77 from the other party.
[0015]
In the configuration described above, the control device 7 may be provided exclusively for the
microphones 21, 31, 41, 51, the speakers 22, 23, 32, 33, 42, 43, 52, 53 and As long as the
operation panels 24, 34, 44, and 54 are connected to the navigation device, the navigation device
may be substituted.
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Further, the operation panel 24 of the driver's seat may be substituted by a display device of the
navigation device.
[0016]
Next, the operation of the above configuration will be described with reference to FIG.
FIG. 4 shows a process performed by the control device 7 as a flowchart. Here, as an example, an
occupant sitting in the left rear seat 5 selects a "driver" as a conversation partner and "two-way"
as a conversation direction. The case where is selected will be described.
[0017]
When the vehicle interior sound field control system 1 is activated, the control device 7 displays
the conversation partner selection screen on the operation panels 24, 34, 44, and 54 (step S1),
and the conversation partner is selected on any operation panel. It waits for the fact that it is
selected (step S2). In this case, as a condition under which the vehicle interior sound field control
system 1 is activated, for example, the fact that the "start" button (not shown) displayed on any of
the operation panels 24, 34, 44, 54 is operated It may be a trigger, or may be triggered by voice
recognition of the sound collected by one of the microphones 21, 31, 41, 51.
[0018]
Now, here, the occupant sitting in the left rear seat 5 selects the "driver" as the conversation
partner. When control device 7 detects that "driver" button 71 is selected on the conversation
partner selection screen displayed on operation panel 54 of left rear seat 5 ("YES" in step S2),
conversation partner is selected. The left rear seat 5 is recognized as the selected seat, and the
driver's seat 2 is recognized as the seat selected as the conversation partner (step S3). Then, the
control device 7 causes the conversation direction selection screen to be displayed on the
operation panel 54 (step S4), and waits for the conversation direction to be selected (step S5).
[0019]
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Next, the occupant sitting in the left rear seat 5 selects “bidirectional” as the conversation
direction. When control device 7 detects that “bidirectional” button 75 is selected on the
conversation direction selection screen displayed on operation panel 54 of left rear seat 5
(“YES” in step S 4), it is set as the conversation direction It recognizes two-way (step S6). Then,
the control device 7 stands by for the voice to be input to either the microphone 51 of the left
rear seat 5 or the microphone 21 of the driver's seat 2 (step S7).
[0020]
Then, when the control device 7 detects that the voice is input to either the microphone 51 of the
left rear seat 5 or the microphone 21 of the driver's seat 2 (“YES” in step S7), the input voice is
Sound field control is performed so as to have directivity (step S8), and the sound subjected to
the sound field control is directed from any of the speakers 22, 23 of the driver's seat 2 and the
speakers 52, 53 of the left rear seat 5 And output (step S9).
[0021]
Specifically, when the control device 7 detects that the voice is input to the microphone 51 of the
left rear seat 5, the input voice is directed from the position of the left rear seat 5 to the position
of the driver's seat 2 Control the sound field (see arrow "P" in FIG. 1) so as to have flexibility, and
make the voices subjected to the sound field control output from the speakers 22, 23 of the
driver's seat 2 with directivity and When sound is detected to be input to the microphone 21 of
the driver's seat 2, sound field control is performed so that the input sound has directivity from
the position of the driver's seat 2 to the position of the left rear seat 5 Arrows "Q" in FIG. 1), the
sound of which the sound field control has been performed is output from the speakers 52 and
53 of the left rear seat 5 with directivity.
[0022]
By performing the series of processes described above, even if the user is sitting in, for example,
the left rear seat 5, when the user emits a voice, the voice emitted by the user is driven from the
position of the left rear seat 5. The sound field control is performed so as to have directivity
toward the position of the seat 2 and output from the speakers 22 and 23 of the driver's seat 2
so that the driver's voice sitting in the driver's seat 2 Sound field control so that the driver can
hear properly and the driver's voice is directed from the position of the driver's seat 2 to the
position of the left rear seat 5 when the driver emits a voice By being output from the speakers
52 and 53 of the left rear seat 5, the driver can appropriately hear the voice emitted by the
driver.
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[0023]
By the way, although the above has described the case where the “two-way” button 75 is
selected as the conversation direction, if the user speaks unilaterally from the driver toward the
driver, the conversation direction is selected. The “self-conversation partner” button 76 may
be selected, in which case the control device 7 performs sound field control only on the sound
input to the microphone 51 of the left rear seat 5 and outputs the sound become.
In addition, if the user can speak from the driver in one direction, the “from the other party in
conversation” button 77 may be selected as the conversation direction, and in this case, the
control device 7 selects the microphone of the driver's seat 2 The sound field control is
performed only on the voice input to the V.21.
[0024]
In addition, two or more persons may be simultaneously selected as a conversation partner, and
if so, even if the user is sitting at the left rear seat 5, for example, the “driver” on the
conversation partner selection screen By operating the button 71 and the "passenger seat"
button 72 and selecting the driver sitting in the driver's seat 2 and the passenger sitting in the
passenger seat 2 as a conversation partner, the driver's voice 2 Can properly hear both the driver
sitting on the passenger seat and the passenger sitting on the passenger seat 3, and either one of
the driver and the passenger sitting on the passenger seat 3 can hear himself Can hear properly.
[0025]
In addition, immediately after the conversation partner is selected on the conversation partner
selection screen, the operation panel of the seat selected as the conversation partner, as shown in
FIG. The display message may be configured to be displayed, and in such a configuration, the
user can make the occupant who is selected as the conversation partner recognize that the
occupant is selected as the conversation partner. .
Furthermore, as shown in FIG. 5B, for example, a display message such as “Other crew members
start talking” is displayed on the operation panel of the seat not selected as the conversation
partner. Also, if so configured, the user can make the occupants who have not selected as the
conversation partner aware that they will start talking with other occupants.
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[0026]
As described above, according to the first embodiment, in the vehicle interior sound field control
system 1, for example, the occupant sitting in the left rear seat 5 selects the “driver” as the
conversation partner and “the conversation direction” In the case where “two-way” is
selected, when a voice is input to the microphone 51 of the left rear seat 5, the input voice is
output from the speakers 22 and 23 of the driver's seat and the voice is the microphone of the
driver's seat 2 Since the input sound is output from the speakers 52 and 53 of the left rear seat 5
when it is inputted to the user 21, the user can hear himself, for example, even if the user is
sitting in the left rear seat 5. The driver can properly hear the voice, and the driver can properly
hear the voice.
[0027]
Further, in this case, when the voice is input to the microphone 51 of the left rear seat 5, the
sound field control is performed so that the input voice has directivity from the position of the
left rear seat 5 to the position of the driver's seat 2. When the voice is inputted to the
microphone 21 of the driver's seat 2, the sound field control is performed so that the inputted
voice has directivity from the position of the driver's seat 2 to the position of the left rear seat 5.
With this configuration, the user can tell the driver to fly his / her voice from the position of the
left rear seat 5 where he is sitting to the position of the driver's seat 2, and The driver can hear
the voice emitted from the driver's seat 2 as if it flies to the left rear seat 5 where he / she is
sitting.
[0028]
Second Embodiment Next, a second embodiment of the present invention will be described with
reference to FIG.
The description of the same parts as those of the first embodiment described above will be
omitted, and the different parts will be described.
In the first embodiment described above, the voices have directivity because the speakers 22, 23,
32, 32, 34, 43, 52, 53 are arranged to face the occupant in the seats 2 to 5. As described above,
the configuration for controlling the sound field is described, but this second embodiment is a
configuration in which voices are simply output individually from the speakers.
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[0029]
That is, in FIG. 6, in the interior control system 81, the speaker 25 for the driver's seat is
disposed, for example, buried in a driver's door (not shown), and the speaker 35 for the
passenger's seat is For example, it is arranged to be buried in a front passenger's seat door (not
shown), and a speaker 45 for the right rear seat is, for example, on a rear tray (not shown) and
sat in the right rear seat 4 The left rear seat speaker 55 is disposed, for example, on the rear tray
and behind the occupant sitting in the left rear seat 5.
[0030]
In this case, the control device 7 selects the microphone of the left rear seat 5 when the occupant
sitting in the left rear seat 5 selects the “driver” as the conversation partner and selects
“bidirectional” as the conversation direction. When it is detected that the input sound is input
51, the input sound is output from the speaker 25 of the driver's seat 2 without sound field
control so that the input sound has directivity, and the sound is driving. When it is detected that
the sound has been input to the microphone 21 of the seat 2, the input sound is output from the
speaker 55 of the left rear seat 5 without controlling the sound field so that the input sound has
directivity.
[0031]
As described above, according to the second embodiment, when sound is input to the
microphone 51 of the left rear seat 5 in the in-room sound field control system 81, the input
sound is the speaker 25 of the driver's seat. When the voice is input to the microphone 21 of the
driver's seat 2, the input voice is output from the speaker 55 of the left rear seat 5, so that the
first embodiment described above In the same manner as described in the above, even if the user
is sitting in the left rear seat 5, for example, the driver can make the driver properly hear the
voice emitted by the user, and the driver emitted the voice You can listen properly.
[0032]
Other Embodiments The present invention is not limited to the above-described embodiments,
and can be modified or expanded as follows.
[0033]
The aspect in which the microphone, the speaker and the operation panel are arranged may be
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another aspect.
For example, when audio is input to a microphone while audio is being output from an audio
device or while audio guidance is being output from a navigation device, audio is output from the
audio device or from a navigation device The volume of the voice guidance may be reduced.
[0034]
The means for selecting the conversation partner may be a mechanical switch.
Further, the configuration may be such that the conversation direction can not be selected, and
the configuration may be such that “bidirectional” is always set as the conversation direction
(as a default).
[0035]
The figure which shows the 1st Embodiment of this invention, Comprising: The figure which
shows roughly the aspect by which each apparatus is arrange | positioned in the vehicle interior.
A functional block diagram which shows an example of a functional block diagram display
screen. The figure which shows 2nd Embodiment and which shows roughly the aspect by which
each apparatus is arrange | positioned in a vehicle interior.
Explanation of sign
[0036]
In the drawings, 1 is a passenger compartment sound control system, 2 is a driver's seat, 3 is a
passenger seat, 4 is a right rear seat, 5 is a left rear seat, 21, 31, 41 and 51 are microphones
(speech input means), 22, 23, 32, 33, 42, 43, 52, 53 are speakers (speech output means), 7 is a
control device (seat specifying means, control means), 81 is a car A room sound field control
system, 25, 35, 45, 55 are speakers (sound output means).
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