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JP2011004319

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JP2011004319
The present invention provides a loudspeaker system having means for constantly monitoring a
speaker line and the soundness of a speaker so as to enable emergency broadcast in an
emergency. A loudspeaker system is a loudspeaker system in which loudspeakers are
broadcasted from a speaker by an audio signal transmitted from a terminal device at the time of
a loudspeaker operation and amplified to a speaker drive level by an audio amplification device.
A microphone for detecting voice, a line state detecting device for dividing a sound signal
transmitted by each speaker line to detect a state of the sound signal transmitted to the speaker,
and the speaker determined by the line state detecting device And a monitoring device for
receiving information on the soundness of the line and the speaker. [Selected figure] Figure 1
Loudspeaker system
[0001]
The present invention relates to a loudspeaker system that detects the input signal and the
output signal of a loudspeaker and monitors the soundness of a cable and a loudspeaker
connected for each loudspeaker.
[0002]
Conventionally, to check the soundness of cables and speakers in a loudspeaker system, a person
is deployed at the place where the speaker line and speaker to be confirmed are installed, the
cable is separated by a manual separation means, etc., and the speaker is an audio amplification
device. By transmitting an audio signal from a terminal apparatus having a built-in microphone
09-05-2019
1
connected to the preceding stage, the state of the audio signal broadcasted from each speaker
has been measured by means of measurement with a sound level meter or confirmation with a
human ear.
Therefore, in the loudspeaker system where the number of connected speakers is large, it takes
time and effort, and checking of the condition of the speaker line can be performed not in every
day but in a preset period. It is the main.
[0003]
JP, 2001-36995, A
[0004]
In addition to business contact, a loud sound system may also perform emergency emergency
broadcasts, and monitoring the soundness of the speaker line and the speaker is very important,
but the conventional system configuration and confirmation method is manually operated. There
is a problem that there are many parts involved and it can not be done every day.
[0005]
An object of the present invention is to provide a loudspeaker system having means for
constantly monitoring the soundness of a speaker line and a speaker so that emergency
broadcasting can be performed in an emergency.
[0006]
The loud-sounding system according to the present invention is a ringing state of the speaker at
the time of loud-sounding broadcast in a loud-sounding system which performs loudbroadcasting from a speaker by an audio signal transmitted from a terminal device at the time of
loud-speaking operation A microphone for detecting voice, a line state detecting device for
dividing a sound signal transmitted by each speaker line to detect a state of the sound signal
transmitted to the speaker, and the speaker determined by the line state detecting device And a
monitoring device for receiving information on the soundness of the line and the speaker.
[0007]
A loudspeaker system according to the present invention is a loudspeaker system in which
loudspeakers are broadcasted from a speaker by an audio signal transmitted from a terminal
device at the time of a loudspeaker operation and amplified to a speaker drive level by an audio
09-05-2019
2
amplifier. A voice signal detector for detecting a voice signal to be applied, a line condition
detection device for branching a voice signal transmitted by each speaker line and detecting a
condition of the voice signal to be transmitted to the speaker, and the line condition detection
device And a monitoring device that receives the information on the soundness of the speaker
line and the soundness of the speaker determined in the above.
[0008]
The loud-sounding system according to the present invention is an out-of-voice band in a loudsounding system that performs loud-broadcasting from a speaker by using a voice signal that is
transmitted from a terminal at the time of loud-filling operation and amplified to a speaker drive
level by a voice amplification device. Test signal oscillation circuit for periodically transmitting
the test signal, a line state detection device for detecting the state of the audio signal transmitted
to the speaker in series in each speaker line, and the line state detection device And a monitoring
device for receiving information on the soundness of the speaker line.
[0009]
The loud-sounding system according to the present invention is an out-of-voice band in a loudsounding system that performs loud-broadcasting from a speaker by using a voice signal that is
transmitted from a terminal at the time of loud-filling operation and amplified to a speaker drive
level by a voice amplification device. Test signal oscillation circuit that periodically transmits the
test signal, an audio signal detector attached to each of the speakers that detects the speaker
state at the time of test signal transmission, A line state detection device inserted in series in each
speaker line for detecting the state of the voice signal, and a monitoring device for receiving
information on the soundness of the speaker line and the speaker determined by the line state
detection device; Equipped with
[0010]
The effect of the loudspeaker system according to the present invention is that, in the
loudspeaker system, the loudspeaker system performs the loudspeaker broadcast from the
speaker according to the audio signal transmitted from the terminal device during the
loudspeaker operation and amplified to the speaker drive level by the audio amplifier. A voice
detection microphone for detecting a ringing condition, a line condition detection device for
detecting a condition of a voice signal to be sent to the speaker by branching a voice signal
transmitted through each speaker line, and the line condition detection device Since the abovementioned speaker circuit and the monitoring device which receives the information on the
soundness of the above-mentioned speaker are provided, it is possible to monitor the line
condition of the whole of the loudspeaker system and the ringing of the speaker.
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[0011]
The effect of the loudspeaker system according to the present invention is that, in the
loudspeaker system, the loudspeaker system performs the loudspeaker broadcast from the
speaker according to the audio signal transmitted from the terminal device during the
loudspeaker operation and amplified to the speaker drive level by the audio amplifier. An audio
signal detector for detecting an audio signal applied to a coil, a line state detecting device for
branching an audio signal transmitted by each speaker line and detecting a state of the audio
signal transmitted to the speaker, and the line state Since the above-mentioned speaker circuit
determined by the detection device and a monitoring device for receiving information on the
soundness of the above-mentioned speaker are provided, it is possible to monitor the line
condition of the entire sound amplification system and the condition of the speaker.
[0012]
The effect of the loudspeaker system according to the present invention is as follows: in the
loudspeaker system in which the loudspeaker system performs the loudspeaker broadcast from
the speaker by using the voice signal transmitted from the terminal device at the time of the
loudspeaker operation and amplified to the speaker drive level by the voice amplifier; A test
signal oscillation circuit for periodically transmitting an out-of-band test signal, a line state
detection device for detecting the state of an audio signal transmitted to the speaker in series
with each speaker line, and the line state detection device And a monitoring device for receiving
the information on the soundness of the speaker line determined in the above-mentioned, so that
it is possible to monitor the state of the line condition of the whole of the loudspeaker system.
[0013]
The effect of the loudspeaker system according to the present invention is as follows: in the
loudspeaker system in which the loudspeaker system performs the loudspeaker broadcast from
the speaker by using the voice signal transmitted from the terminal device at the time of the
loudspeaker operation and amplified to the speaker drive level by the voice amplifier; A test
signal oscillating circuit for periodically transmitting out-of-band test signals, an audio signal
detector attached to each of the above-mentioned speakers for detecting a speaker state at the
time of test signal transmission, and a speaker line in series A line state detection device inserted
in series to each speaker line for detecting the state of an audio signal to be transmitted, and a
monitoring device for receiving information on the soundness of the speaker line and the speaker
determined by the line state detection device And, it is possible to monitor the line condition of
the entire loudspeaker system and the condition of the speaker.
[0014]
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It is a block diagram of the loud-sound system which concerns on Embodiment 1 of this
invention.
It is a functional operation | movement flowchart of the loud-sound system which concerns on
Embodiment 1 of this invention.
It is a block diagram of the loudspeaker system based on Embodiment 2 of this invention.
It is a functional-operation flowchart of the loud-sound system which concerns on Embodiment 2
of this invention.
It is a block diagram of the loud-sound system which concerns on Embodiment 3 of this
invention.
It is a functional operation | movement flowchart of the loud-sound system which concerns on
Embodiment 3 of this invention.
It is a block diagram of the loud sound system which concerns on Embodiment 4 of this
invention.
It is a functional operation | movement flowchart of the loud-sound system which concerns on
Embodiment 4 of this invention.
[0015]
Embodiment 1
FIG. 1 is a configuration diagram of a loudspeaker system according to Embodiment 1 of the
present invention.
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FIG. 2 is a functional operation flowchart of the loudspeaker system according to the first
embodiment.
As shown in FIG. 1, the loudspeaker system according to Embodiment 1 of the present invention
includes a microphone (MIC) and a terminal device 1 transmitting an audio signal at the time of a
loudspeaker operation, and an audio signal transmitted from the terminal device 1 Detects the
ringing state of each of the speakers 31 to 3N at the time of the loud broadcast, while the sound
amplification device 2 amplifies the sound signal to the speaker drive level, the speakers 31 to
3N driven by the sound signal of the speaker drive level, A line state in which voice detection
microphones (M) 41 to 4N attached to the speakers 31 to 3N and states of voice signals
transmitted to the speakers 31 to 3N are detected and inserted in series in the respective speaker
lines 71 to 7N Information that determines the soundness of the speaker lines 71 to 7N and the
speakers 31 to 3N in the detection devices 51 to 5N and the line state detection devices 51 to 5N
Comprising a monitoring device 6 signals to, a.
[0016]
At the time of loud-speaking operation, the voice signal is transmitted from the terminal device 1,
amplified to the speaker drive level by the voice amplification device 2, output to the speaker
lines 71 to 7N, and the line state detecting devices 51 to 5N inserted in series. Are transmitted to
the respective speakers 31 to 3N.
Further, the terminal device 1 transmits the audio signal transmission start information to the
monitoring device 6 from the transmission control circuit (CONT1). In the line state detecting
devices 51 to 5N, an audio signal which is an alternating current is converted into an audio
signal which is a direct current signal, transmitted to the control circuit (CONT2), and a speaker
line based on the level detected in the control circuit (CONT2) The states of 71 to 7N are
determined.
[0017]
At the same time, the audio signals transmitted to the speakers 31 to 3N are output as broadcast
sound from the speakers 31 to 3N. The broadcast sound is detected by the voice detection
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microphones 41 to 4N attached to the speakers 31 to 3N and converted into voice signals. The
converted voice signal is transmitted to the line state detecting devices 51 to 5N, the AC voice
signal is converted to a DC voice signal, and transmitted to the control circuit (CONT2), and the
level detected in the control circuit (CONT2) is based on It is determined that the speakers 31 to
3N are ringing.
[0018]
Information that determines the soundness of the speaker lines 71 to 7N and the speakers 31 to
3N and management number information assigned in advance to specify the individual speakers
31 to 3N are combined to the monitoring device 6 to the line state detection device 51 to 5
Transmit from the control circuit (CONT2) in 5N. The monitoring device 6 displays the line status
on the basis of the received information, and displays the information obtained by determining
the soundness of the speaker lines 71 to 7N and the speakers 31 to 3N for each management
number, and displays the line status of the entire loudspeaker system and the speakers 31
Monitor a ring of ~ 3N.
[0019]
In the loudspeaker system according to the first embodiment of the present invention, line
condition detecting devices 51-5N in which voice signals transmitted from terminal device 1
incorporating a microphone at the time of a loudspeaker operation are inserted in series in
speaker lines 71-7N. Simultaneously and by detecting with the voice detection microphones
attached to the speakers 31 to 3 N, the soundness of the speaker lines 71 to 7 N from the voice
amplification device 2 to the speakers 31 to 3 N and the sound of the speakers 31 to 3 N Can be
determined, and the information is transmitted to the monitoring device 6 together with the
management number information assigned in advance in order to specify the individual speakers
31 to 3 N, so that the line status of the entire sound amplification system and the speakers 31 to
3 N You can monitor the sound of
[0020]
Second Embodiment
FIG. 3 is a block diagram of a loudspeaker system according to Embodiment 2 of the present
invention. FIG. 4 is a functional operation flowchart of the loudspeaker system according to the
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second embodiment. The loudspeaker system according to the second embodiment of the
present invention, as shown in FIG. 3, includes a terminal device 1 incorporating a microphone
(MIC) and transmitting an audio signal at the time of a loudspeaker operation, and an audio
signal transmitted from the terminal device 1 Detects an excitation signal applied to a coil of the
speaker amplification level 2 for amplifying the speaker driving level, the speakers 31 to 3 N, and
the coils of the speakers 31 to 3 N during the loud broadcast and attached to the speakers 31 to
3 N Voice signal detectors 81 to 8 N, line condition detecting devices 51 to 5 N which detect the
condition of voice signals transmitted to the speakers 31 to 3 N and are inserted in series in the
respective speaker lines 71 to 7 N; The monitoring apparatus 6 which receives the information
which determined the soundness of the speaker circuits 71-7N and the speakers 31-3N by the
detection apparatuses 51-5N is provided.
[0021]
At the time of loud-speak operation, the audio signal is transmitted from the terminal device 1,
amplified to the speaker drive level by the audio amplification device 2, output to the speaker
lines 71 to 7N, and each speaker via each line state detection device 51 to 5N. 31 to 3N. At the
same time as transmitting the audio signal, the terminal device 1 transmits information on the
audio signal transmission start to the monitoring device 6 from the control circuit (CONT1). In
the line state detecting devices 51 to 5N, the audio signals transmitted via the speaker lines 71 to
7N are branched, and the branched AC audio signals are converted to DC signals and transmitted
to the control circuit (CONT2) Even the level is detected in the control circuit (CONT2), and the
states of the speaker lines 71 to 7N are determined based on the detected level.
[0022]
At the same time, the audio signals transmitted to the speakers 31 to 3N are output as broadcast
sound from the speakers 31 to 3N. The audio signal detectors 81 to 8N attached to the speakers
31 to 3N detect excitation signals applied to the coils of the speakers 31 to 3N. The detected
excitation signal is transmitted to the line state detection devices 51 to 5N, the AC excitation
signal is converted to a DC signal, and transmitted to the control circuit (CONT2). The control
circuit (CONT2) detects the level of the DC signal Then, based on the detected level, it is
determined that the speakers 31 to 3N have operated. Information for determining the
soundness of the speaker lines 71 to 7N and the speakers 31 to 3N, and management number
information assigned in advance for specifying the individual speakers 31 to 3N, together with
the monitoring device 6 within the line state detection devices 51 to 5N Transmit from the
control circuit (CONT2) of
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[0023]
The monitoring device 6 displays the information for determining the soundness of the speaker
lines 71 to 7N and the speakers 31 to 3N for each management number by using an installation
having a function capable of displaying the line status based on the received information. It
monitors the line status of the entire loudspeaker system and the status of the speakers 31 to 3N.
[0024]
In the loudspeaker system according to the second embodiment of the present invention, an
audio signal transmitted from a terminal device incorporating a microphone at the time of
loudspeaker operation is detected by a line condition detecting device serially inserted in each
speaker line, and simultaneously By detecting with the audio signal detector attached to each
speaker, the soundness of the speaker line from the audio amplification device to each speaker
and the soundness of the speaker can be determined, and the information is assigned in advance
to identify the individual speakers By transmitting the line status to the monitoring device
together with the number information, it is possible to monitor the line status of the entire
loudspeaker system and the state of the speaker.
[0025]
Third Embodiment
FIG. 5 is a block diagram of a loudspeaker system according to Embodiment 3 of the present
invention.
FIG. 6 is a functional operation flowchart of the line state detection device according to the third
embodiment. In the loudspeaker system according to the third embodiment of the present
invention, as shown in FIG. 5, the test signal oscillating circuit (OSC, AMP) in the audio amplifying
device 2 transmitting the test signal when the loudspeaker operation is not performed, and each
speaker Line condition detecting devices 51 to 5N which are inserted in series to the lines 71 to
7N and detect the condition of the audio signal transmitted to the speakers 31 to 3N, and the
speaker lines 71 to 7N in the line condition detecting devices 51 to 5N And a monitoring device
6 for receiving the information for which the soundness has been determined.
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[0026]
When the detection of the voice input activation signal transmitted from the control circuit
(CONT1) in the terminal device 1 in the monitoring device 6 is not detected for an arbitrary time
or more, it is determined that no loudening operation is performed. The line switching control
signal is transmitted to the circuit (CONT3), the test signal oscillating circuits (OSC, AMP) are
connected to the speaker lines 71 to 7N, and the test signal outside the voice band is periodically
transmitted at an arbitrary cycle. The transmitted test signal is transmitted to each of the line
condition detecting devices 51 to 5N serially inserted through the speaker lines 71 to 7N.
[0027]
In the line state detection devices 51 to 5N, an alternating current test signal is converted to a
direct current signal and transmitted to the control circuit (CONT2), and the state of the speaker
lines 71 to 7N based on the level detected in the control circuit (CONT2) To determine Control
circuit in the line status detection device 51 to 5N in the monitoring device 6 in combination with
the information for determining the soundness of the speaker lines 71 to 7N and the
management number information assigned in advance to identify the individual speakers 31 to
3N Send from CONT 2). The monitoring device 6 displays the information for determining the
soundness of the speaker lines 71 to 7N for each management number by using the facility
having a function capable of displaying the line condition based on the received information, and
the lines of the entire loudspeaker system Monitor the situation.
[0028]
In the loudspeaker system according to the third embodiment of the present invention, when the
loudspeaker operation is not performed, the test signal oscillating circuit periodically transmits a
test signal outside the voice band at an arbitrary cycle to interpose the speaker line in series. The
soundness of the speaker circuit can be determined by detecting the signal transmitted to the
speaker by the detected circuit state detection device, and the information is monitored together
with the management number information assigned in advance to specify each speaker. By
transmitting the line status to the device, it is possible to monitor the line status of the entire
loudspeaker system.
[0029]
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Fourth Embodiment
FIG. 7 is a block diagram of a loudspeaker system according to Embodiment 4 of the present
invention. FIG. 8 is a functional operation flowchart of the line state detection device according to
the fourth embodiment. In the loudspeaker system according to the fourth embodiment of the
present invention, as shown in FIG. 7, a test signal oscillating circuit (OSC, AMP) in the audio
amplifying device 2 that transmits a test signal when not performing a loudspeaker operation,
and a test signal The audio signal detectors 81 to 8N attached to the speakers 31 to 3N for
detecting the state of the speakers 31 to 3N at the time of transmission and the speaker lines 71
to 7N in series and transmitted to the speakers 31 to 3N It comprises line state detecting devices
51 to 5N for detecting the state of voice signals, and a monitoring device 6 for receiving the
information for judging the soundness of the speaker lines 71 to 7N in the line state detecting
devices 51 to 5N.
[0030]
When the detection of the voice input activation signal transmitted from the control circuit
(CONT1) in the terminal device 1 in the monitoring device 6 is not detected for an arbitrary time
or more, it is determined that no loudening operation is performed. The line switching control
signal is transmitted to the circuit (CONT3), the test signal oscillating circuits (OSC, AMP) are
connected to the speaker lines 71 to 7N, and the test signal outside the voice band is periodically
transmitted at an arbitrary cycle. The transmitted test signals are transmitted to the respective
line condition detecting devices 51 to 5N inserted in series through the speaker lines 71 to 7N.
In the line state detection devices 51 to 5N, test signals are converted from AC signals to DC
signals and transmitted to the control circuit (CONT2), and the states of the speaker lines 71 to
7N are determined based on the level detected in the control circuit (CONT2). Determine. At the
same time, the test signal transmitted to each of the speakers 31 to 3 N is out of the voice band,
and therefore there is no broadcast sound output from the speakers 31 to 3 N, and the speakers
31 to 3 N by the audio signal detectors 81 to 8 N attached to each of the speakers 31 to 3 N
Detect a test signal applied to the coil of The detected test signal is transmitted to the line state
detection devices 51 to 5N, the test signal is converted from an AC signal to a DC signal and
transmitted to the control circuit (CONT2), and the speaker 31 is detected based on the level
detected in the control circuit (CONT2). It is determined that ~ 3N has operated. A control circuit
(CONT2) in the line state detecting device 51-5N to the monitoring device in combination with
the information for judging the soundness of the speaker lines 71 to 7N and the management
number information assigned in advance to specify the individual speakers 31 to 3N. Send more).
In the monitoring device, by setting it as an installation having a function capable of displaying
09-05-2019
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the line status based on the received information, the information indicating the soundness of the
speaker lines 71 to 7N and the speakers 31 to 3N is displayed for each management number It
monitors the line status of the entire system and the status of the speakers 31 to 3N.
[0031]
In the loudspeaker system according to the fourth embodiment of the present invention, when
the loudspeaker operation is not performed, a test signal out of the voice band is periodically
transmitted from the test signal oscillating circuit at an arbitrary cycle to allow serial connection
to each speaker line. By detecting the signal transmitted to the speaker by the inserted line state
detection device, the soundness of the speaker line and the speaker can be determined, and
management number information previously assigned to identify the individual speakers. By
transmitting the line status to the monitoring device in conjunction with this, it is possible to
monitor the line status of the entire loudspeaker system and the state of the speakers.
[0032]
It can be used in broadcasting systems for business communication in factories and plants, and in
public facilities.
[0033]
DESCRIPTION OF SYMBOLS 1 terminal device, 2 audio | voice amplification apparatus, 31-3N
speaker, 41-4N audio | voice detection microphone, 51-5N circuit state detection apparatus, 6
monitoring apparatus, 71-7N speaker circuit, 81-8N audio | voice signal detector.
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