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DESCRIPTION JP2014003534

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DESCRIPTION JP2014003534
Abstract: To increase the certainty that a user notices a notification sound in a situation where a
plurality of sounds are generated around and the generated time zones may overlap. First, the
notification sound generator is provided with means for recording and storing ambient sound.
The ambient sound includes notification sound, notification sound, noise and the like. Second, the
notification sound generator is provided with means for extracting the time zone and frequency
used from the ambient sound stored in the first means. Thirdly, means is provided for identifying
unused time zones and frequencies from the ambient sound extracted by the second means and
creating a notification sound. The notification sound also includes a notification sound. Fourth,
immediately after emitting the notification sound created by the third means, if there is a sound
used in the same time zone as the ambient sound, implement the second means and the third
means again And means for avoiding the collision of the created notification sound with the
ambient sound. [Selected figure] Figure 1
Notification sound generator and network system
[0001]
The present invention relates to a notification sound generation device and a network system,
and relates to a notification sound generation device and a network system for creating a
notification sound to notify a user in consideration of ambient sound and enhancing the user's
audibility.
[0002]
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1
In a system such as a network system, there is a monitoring terminal which notifies a user
(maintenance person) of a failure of a device to be monitored by a warning sound.
As background art of this technical field, there exists Unexamined-Japanese-Patent No. 2010231823 (patent document 1). In this publication, it is described that control is performed to emit
a notification sound at a level stored by a control unit that performs control based on the stored
sound, or at a volume according to the needs of the user.
[0003]
JP, 2010-231823, A
[0004]
Multiple monitoring terminals may be arranged in one room, and a user may monitor the system
by multiple monitoring terminals.
In this case, alarm sounds may be emitted from a plurality of monitoring terminals. When there
are a plurality of device sounds in Patent Document 1, notification sounds are mutually enlarged,
and the user's audibility is reduced. Also, if the other notification sounds and the created
notification sounds are the same, the user may miss the notification sounds.
[0005]
According to the present invention, certainty that the user notices the notification sound in a
situation where a plurality of sounds are generated around and the time zone of the sounds
emitted from the own device and the surrounding sound generated intermittently may overlap
with each other It is an object of the present invention to provide a notification sound generating
device and a network system that enhance
[0006]
According to the first solution means of the present invention, a recording unit for recording an
ambient sound including notification sound from another device, and the frequency and
generation time of the ambient sound are extracted from the ambient sound recorded by the
recording unit. Determine the frequency and generation time of the notification sound emitted by
the device so that the extraction unit does not match the frequency and generation time of the
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ambient sound extracted by the extraction unit with the frequency and generation time of the
notification sound emitted by the device. The notification sound generation device is provided,
comprising: a notification sound determination unit; and a notification sound generation unit that
emits the notification sound determined by the notification sound determination unit.
[0007]
According to a second solution of the present invention, there is provided a network system
comprising: a device to be monitored; and a notification sound generating device for notifying of
a failure or abnormality of the device to be monitored by a notification sound, comprising: The
generator includes: a recording unit for recording an ambient sound including notification sound
from another device; an extraction unit for extracting the frequency and generation time of the
ambient sound from the ambient sound recorded by the recording unit; A notification sound
determination unit that determines the frequency and generation time of the notification sound
emitted by the own device so that the frequency and generation time of the ambient sound
extracted in step are not identical to the frequency and generation time of the notification sound
emitted by the own device; The above network system is provided, comprising: a notification
sound generation unit that emits a notification sound determined by the notification sound
determination unit.
[0008]
According to the present invention, it is certain that the user notices the notification sound in a
situation where a plurality of sounds are generated in the surroundings, and the time zone of
sounds emitted from the own device and the surroundings generated intermittently may overlap
with each other. It is possible to provide a notification sound generating device and a network
system that enhance the quality.
[0009]
It is a block diagram of a notification sound generator and a network system provided with the
device.
It is a hardware block diagram of a self-monitoring terminal.
It is a block diagram of an alarm sound generation instruction message.
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FIG. 5 is a block diagram of a time and frequency information message being used.
It is a block diagram of a warning sound creation rule table. It is a block diagram of a warning
sound preparation examination table. It is a block diagram of a warning sound creation message.
It is a block diagram of a warning sound stop message. It is a flow figure showing processing
when an alarm sound creation message generation part receives an alarm sound generation
directions message. It is a flow figure showing processing which performs confirmation of
whether alarm sound and other alarm sound and time which did not overlap after generating and
emitting alarm sound are timed. It is a wave form diagram of the used time zone and frequency
band currently recorded on the time-frequency waveform recording memory. It is a waveform
diagram when the alarm sound produced with a self-monitoring terminal and the waveform
memorize | stored in surrounding time-frequency waveform recording memory are put together.
[0010]
1. Overview In the present embodiment, first, means (first means) for recording and storing
ambient sound in the notification sound generation device is provided. Recording can always be
done. The ambient sound includes, for example, notification sound, notification sound, noise, and
the like. Second, the notification sound generator is provided with means (second means) for
extracting a used time zone and frequency from the ambient sound stored by the first means.
Thirdly, means (third means) is provided for identifying unused time zones and frequencies from
the ambient sound extracted by the second means and creating a notification sound. Here, the
notification sound can be an appropriate sound, a notification sound, or the like. Fourth, if there
is a sound used in the same time zone as the surrounding sound (for example, immediately after)
emitting the notification sound created by the third means, the second means, the third Means is
implemented to provide means (fourth means) for avoiding the collision between the ambient
sound and the created notification sound.
[0011]
2. Embodiment FIG. 1 shows a configuration diagram of a notification sound generating device
and a network system provided with the device. In FIG. 1, a network system S1 includes a selfmonitoring terminal (notification sound generating device) 1. The self-monitoring terminal 1
includes an alarm sound determination unit 10, a monitoring device monitoring unit 110, an
alarm sound recording unit 120, and an alarm sound generation unit 130. The configuration
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method and connection of the alarm sound determination unit 10, the monitoring device
monitoring unit 110, the alarm sound recording unit 120, and the alarm sound generation unit
130 are arbitrary, and they need not necessarily be configured in the same terminal. In the
present embodiment, an alarm sound will be described as an example of the notification sound,
but any other appropriate notification sound may be used.
[0012]
The alarm sound determination unit 10 includes an alarm sound generation message generation
unit 101, an alarm sound recording memory 102, an alarm sound generation unit 103, and an
alarm sound stop unit 104. The self-monitoring terminal 1 records, by the alarm sound recording
unit 120, alarm sounds generated from other monitoring terminals such as the other monitoring
terminal A2 and the other monitoring terminal B3 and ambient sounds of the installation place
where the self monitoring terminal 1 is set. For example, the alarm sound recording memory 102
constantly records, performs time-frequency waveform extraction processing, time-frequency
waveform memory memory 1011 alarm sound of another monitoring terminal, time of ambient
sound of the place where the own monitoring terminal is installed − Store waveform data of
frequency. Note that the connection topology between the other monitoring terminal A2 and the
other monitoring terminal B3, etc., and the components are arbitrary. The monitoring target
device N1 is, for example, a network device or the like in a network system. However, the
monitoring target device N1 is not limited to this and may be an appropriate device such as a
home device, an information processing device such as a PC or a server.
[0013]
As a method of creating waveform data stored in the time-frequency waveform storage memory
1011, for example, the time-frequency waveform extraction processing unit (extraction unit)
1010 can process the recording sound recorded in the alarm sound recording memory 102 for a
fixed time. It is possible to use a method in which a plurality of divided Fourier transforms are
performed, a plurality of frequencies are calculated for each divided time, and the obtained
frequencies are arranged on the time axis. Alternatively, wavelet transform can be used. Further,
in the time-frequency waveform extraction processing in the time-frequency waveform extraction
processing unit 1012 (extraction unit), the alarm sound start time, the alarm sound for each
frequency from the waveform data stored in the time-frequency waveform storage memory 1011
The occurrence time and alarm sound pause time are extracted.
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[0014]
When an alarm occurs in the monitoring target device N1, the monitoring device alarm receiving
function unit 1100 receives an alarm signal from the monitoring target device N1, and transmits
an alarm sound generation instruction message M10 to the alarm sound generation command
unit 1014. Note that the notification sound generation instruction message may be transmitted in
response to the reception of a signal from an appropriate device, or when the notification sound
is voluntarily generated from the own device, notification is made according to an appropriate
trigger of the own device. A sound generation indication message may be sent. When the alarm
generation instruction unit 1014 receives the alarm sound generation instruction message M10,
the time-frequency use information specification processing unit 1012 executes time-frequency
use information specification processing, and the time during which the alarm sound is used and
the frequency information message M20. Then, an alarm sound generation instruction message
M10 is sent to the alarm sound generation determination unit 1013.
[0015]
Based on the warning sound generation instruction message M10, the warning sound generation
determination unit (notification sound determination unit) 1013 refers to the alarm sound
generation rule table T1 and stores information on the alarm sound to be generated in the alarm
sound generation examination table T2. Do. Further, the alarm sound creation determination unit
1013 stores the generated alarm tone in the alarm sound creation examination table T2 based on
the used time and the frequency information message M20. The alarm sound generation
determination unit 1013 determines the alarm sound to be generated, and sends an alarm sound
generation message M30 to the alarm sound generation unit 103 via the alarm sound generation
command unit 1014. The alarm sound generation unit 103 generates an alarm according to the
alarm sound generation message M30, and generates an alarm sound generated from the alarm
sound generation unit (notification sound generation unit) 130.
[0016]
When the alarm sound stop message M40 is received by the alarm sound stop unit 104, the
alarm sound described in the alarm sound stop message M40 is stopped. In the alarm sound stop
message M40, for example, the failure of the monitoring target device N1 causing the alarm is
recovered, so that the monitoring device monitoring unit 110 stops receiving the alarm signal, or
the alarm stop signal is received. In this case, the alarm sound generation command unit 1014
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outputs the alarm sound stop unit 104. The alarm sound may be stopped by inputting an
instruction to stop the alarm sound from the user. The maintenance worker U1 listens to the
alarm sounds generated from the alarm sound emitting units 21, 31, 130 and the like, and
carries out the work for each alarm sound.
[0017]
The hardware configuration of the self-monitoring terminal 1 will be described with reference to
FIG. In FIG. 2, the self-monitoring terminal 1 includes a central processing unit (CPU) 12, a
network interface unit (NIC: Network Interface Card) 13, and an input / output unit (I / O IF)
connected by an internal transmission line 11 such as a bus. 14, a speaker 15, a microphone 16,
an auxiliary storage device (HDD) 17, and a main storage device (main memory) 18.
[0018]
The speaker 15 emits the created alarm sound, and corresponds to the alarm sound generation
unit 130. The microphone 16 is for recording alarm sounds of the other monitoring terminal A 2,
the other monitoring terminal B 3, etc., and corresponds to the alarm sound recording unit 120.
The central processing unit (CPU) 12 executes the processing of the alarm sound determination
unit 10 and the monitoring device monitoring unit 110 shown in FIG. The auxiliary storage
device (HDD) 17 and the main storage device (main memory) 18 correspond to the memory and
the table shown in FIG. Central processing unit (CPU) 12, network interface unit (NIC: Network
Interface Card) 13, input / output unit (I / O IF) 14, speaker 15, microphone 16, auxiliary storage
device (HDD) 17, main storage device (main The components of the memory 18 and the
connection method are arbitrary.
[0019]
FIG. 3 is a block diagram of the alarm sound generation instruction message M10. In FIG. 3, the
alarm sound generation instruction message M10 includes, for example, a message ID (MSGID)
M11 and an alarm type M12. MSGID M11 is identification information for identifying a message.
The alarm type M12 indicates the type of alarm according to the fault content, the situation, the
degree of urgency, etc. of the monitoring target device N1.
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[0020]
FIG. 4 is a block diagram of the time and frequency information message M20 being used. In FIG.
4, the used time and frequency information message M20 includes, for example, MSGID M21,
alarm sound start time M22, alarm sound generation time M23, alarm sound pause time M24,
and frequency M25. MSGID M21 is sequentially assigned. The alarm sound start time M22 is the
start time of the alarm sound being generated. For example, when one alarm is generated, the
start time of the alarm sound generated is the reference, and therefore, it is 0. When two or more
alarm sounds are generated, the start time of one alarm sound is set to 0 as a reference, and it is
determined how many seconds after that the alarm sound is generated and a value is assigned.
The alarm sound generation time M23 is a time zone (period) in which the alarm sound is
generated. The alarm sound pause time M24 is a pause time zone (period) in which no alarm
tone is generated. Since the alarm sound is premised on periodic sound and intermittent sound,
the alarm sound generation time M23 and the alarm sound pause time M24 can be obtained as a
constant interval. When the alarm sound has a plurality of cycles, it may be changed as
appropriate. The frequency M25 refers to the frequency used by the alarm sound.
[0021]
FIG. 5 is a block diagram of the alarm sound creation rule table T1. In FIG. 5, the alarm sound
creation rule table T1 stores an alarm type T10, a reference frequency T11, a frequency variable
area T12, an alarm sound generation time T13, and an alarm sound pause time T14 in a
corresponding manner.
[0022]
The information in the alarm sound creation rule table T1 is stored in advance, and the set values
of the alarm type T10, the reference frequency T11, the alarm sound generation time T13, and
the alarm sound pause time T14 are appropriate information other than the illustrated example.
It may be a value. Although the setting value of the variable frequency region T12 is arbitrary,
for example, since a beating occurs when two sounds with slightly different frequencies are
sounding, even if there is a change in the frequency, the maintenance person judges the alarm
type It is preferable that the set value of the reference frequency T11 be about ± 1 so as to be
possible.
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[0023]
FIG. 6 is a block diagram of the alarm sound creation examination table T2. In FIG. 6, the alarm
sound creation study table T2 corresponds to generation / generation scheduled alarm sound
type T21, alarm type T22, alarm sound start time T23, alarm sound generation time T24, alarm
sound pause time T25, and frequency T26. And memorize. Also, a number (No.) T20 for
identifying each entry may be assigned. The time of use and the content of the frequency
information message M20 are stored in each field of the alarm sound of the generation /
generation scheduled alarm sound T21 being an ambient generation. The alarm type T22 stores
the alarm type M12 of the alarm sound generation instruction message M10 in each field for the
preparation planned alarm sound, and the alarm sound generation instruction to the alarm sound
generation time T24, the alarm sound pause time T25, and the frequency T26. The alarm sound
creation rule table T1 is referred to based on the alarm type described in the alarm type M12 of
the message M10, and the corresponding information is stored. The alarm sound start time T23
may be 0 as in the case of the surrounding alarm sound. In each of the fields for the created
alarm sound, values calculated from the surrounding occurrence alarm sound and the created
scheduled alarm sound are described.
[0024]
FIG. 7 is a block diagram of the alarm sound creation message M30. In FIG. 7, the alarm sound
creation message M30 includes MSGID M31, alarm sound start time M32, alarm sound
generation time M33, alarm sound pause time M34, and frequency M35. The respective
information is the same as described above, so the description will be omitted.
[0025]
FIG. 8 is a block diagram of the alarm sound stop message M40. In FIG. 8, the alarm sound stop
message M <b> 40 includes MSGID M <b> 41 and alarm sound stop information M <b> 42. The
alarm sound stop message M40 can be transmitted from the alarm sound stop unit 104 to the
alarm sound generation unit 130, for example, when the stop operation is performed from the
self-monitoring terminal 1. Also, when it is determined that another alarm sound and the
generated alarm sound overlap at the moment when the alarm sound generated by the alarm
sound generation command unit 1014 is generated, the alarm sound stop message 104
generates an alarm sound stop message M40 from the alarm sound stop unit 104. It transmits to
the unit 130, creates an alarm sound again, and emits an alarm sound.
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[0026]
FIG. 9 is a flowchart showing processing when the alarm sound creation message generation unit
receives an alarm sound generation instruction message. The alarm sound generation instruction
unit 1014 receives the alarm sound generation instruction message M10 from the monitoring
device alarm reception function unit 1100 (A01). According to the instruction from the alarm
sound creation command unit 1014, the time-frequency use information specification processing
unit 1012 performs the time-frequency use information specification processing, and the alarm
sound creation determination unit 1013 determines the time and frequency used by the ambient
sound. An information message M20 and an alarm sound generation instruction message M10
are transmitted (A02). The time-frequency use information identification process may target
recorded sound up to a predetermined time before the current time.
[0027]
The alarm creation determination unit 1013 stores the time being used and the content of the
frequency information message M20 in each field of the surrounding generation alarm tone of
the alarm tone creation study table T2. Further, the alarm creation determination unit 1013
refers to the alarm tone creation rule table T1 and creates alarm tone creation study table for the
alarm tone information (frequency, occurrence time and pause time) created by the alert type of
the alarm tone generation instruction message M10. It is stored in the preparation planned alarm
sound of T2 (A03). Here, the frequency can store the reference frequency T11. The alarm sound
creation determination unit 1013 generates the creation alarm sound and the generation alarm
sound based on the start time, the generation time, the pause time of the preparation alarm
sound, the start time, the generation time, and the pause time of the surrounding generation
alarm sound. It is determined whether (ambient sound) overlaps (A04). Here, when time overlaps
partially, it may be determined that they do not overlap, or it may be distinguished whether it is
determined that they overlap or not overlap depending on the degree of overlap. If the two
overlap, the process proceeds to processing (A05), and if not, the process proceeds to (A07).
[0028]
In the process (A05), the alarm sound creation determining unit 1013 determines whether the
frequency of the alarm sound to be created overlaps with the frequency of the surrounding alarm
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sound (A05), and moves to processing (A06) if it overlaps. , If it does not overlap, move to
processing (A09). In the process (A06), the alarm sound creation determination unit 1013
determines whether or not it falls within the frequency variable range of the alarm sound
creation rule table (A06). For example, if there is no unused frequency in the frequency variable
region T12 corresponding to the alarm type, it is determined that the frequency does not fall
within the frequency variable region T12. If it falls within the variable frequency region T12, the
process proceeds to processing (A12). If it does not fall within the variable frequency region T12,
the process proceeds to processing (A15).
[0029]
A process (A07) is performed, when the time of the preparation schedule alarm and the
circumference generation alarm sound does not overlap as mentioned above. For example, the
alarm sound creation determining unit 1013 creates an alarm sound creation message M30
based on the information of the creation scheduled alarm sound and does not create an alarm
sound creation command, since the times of the creation scheduled alarm and the surrounding
generation alarm sound do not overlap. Send to unit 1014. The alarm sound generation
command unit 1014 transmits the alarm sound generation message M30 to the alarm sound
generation unit 103, and ends the processing (A08). The process (A09) is executed when the
time of the scheduled generation alarm sound and the ambient generation alarm sound overlap
as described above, but the frequency is different. For example, the alarm sound creation
determining unit 1013 creates an alarm sound by changing the start time, the generation time,
and the pause time of the preparation alarm sound because the time of the preparation alarm
sound and the time of the surrounding generation alarm sound overlap. It memorizes
corresponding to the preparation alarm sound of examination table T2 (A09). The method of
changing the start time, generation time, and pause time of the created alarm sound is optional,
and does not overlap with the surrounding generated alarm sound.
[0030]
As an example, create the value of alarm occurrence time T24 of the alarm sound during
surrounding generation in alarm sound pause time T25 of the alarm sound, create the value of
alarm sound pause time T25 of the alarm sound during ambient generation alarm generation
time of alarm sound It memorizes in T24. Further, the alarm sound start time T23 of the created
alarm sound is, for example, a value obtained by rounding the sum of the alarm sound start time
T23 of the alarm sound during the surrounding generation and the alarm sound generation time
T24 (or a value obtained by adding or subtracting the offset to the sum) Remember. By doing
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this, it is possible to generate an alarm sound while leaving an alarm sound and a blank time
during ambient generation. The frequency T26 of the preparation scheduled alarm is stored in
the frequency T26 of the preparation alarm sound. Then, the alarm sound generation
determining unit 1013 generates an alarm sound generation message M30 based on the
information of the generation alarm sound, and transmits it to the alarm sound generation
command unit 1014 (A10). The alarm sound generation command unit 1014 transmits the alarm
sound generation message M30 to the alarm sound generation unit 103, and ends the processing
(A11).
[0031]
The process (A12) is executed, as described above, when, for example, the time and the
frequency of the scheduled generation alarm sound and the ambient generation alarm sound
overlap but the frequency is free in the frequency variable area. For example, the alarm sound
creation determining unit 1013 generates an alarm tone of the alarm sound creation study table
T2 for a frequency band other than the frequency band being used because the frequency of the
creation alarm sound overlaps with the surrounding alarm sound. Store in the field
corresponding to Here, the frequency of the created alarm sound is stored in a range that falls
within the frequency variable area T12 of the alarm sound creation rule table T1 (A12). The
alarm sound generation determining unit 1013 generates an alarm sound generation message
M30 based on the information of the generated alarm sound, and transmits it to the alarm sound
generation command unit 1014 (A13). The alarm sound generation command unit 1014
transmits the alarm sound generation message M30 to the alarm sound generation unit 103, and
ends the processing (A14).
[0032]
In the process (A15), for example, the alarm sound creation determining unit 1013 has the time
and frequency of the generation alarm sound and the surrounding generation alarm sound
overlapping, so the start time, generation time, and pause time of the generation alarm sound are
The change and the change of the frequency are performed, and stored in the field
corresponding to the created alarm sound of the alarm sound creation examination table T2. The
creation method of start time, generation time, and pause time of creation alarm sound is
arbitrary. The frequency of the created alarm sound is stored in a range that falls within the
frequency variable area T12 of the alarm sound creation rule table T1. For example, the value of
the alarm generation time T24 of the surrounding generation alarm sound is stored in the alarm
sound pause time T25 of the generation alarm sound, and the value of the alarm sound pause
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time T25 of the surrounding generation alarm sound is generated. Remember to The alarm
sound start time T23 of the created alarm sound stores a value obtained by rounding the sum of
the alarm sound start time T23 of the surrounding alarm sound and the alarm sound generation
time T24 (or a value obtained by adding or subtracting the offset to the sum). . The frequency
T26 of the created alarm sound is described in a range that falls within the frequency variable
region T12 of the alarm sound creation rule table T1 (A15). Note that instead of changing the
frequency, the volume of the generated sound may be higher than the volume of the ambient
sound.
[0033]
The alarm sound generation determining unit 1013 generates an alarm sound generation
message M30 based on the information of the generated alarm sound, and transmits it to the
alarm sound generation command unit 1014 (A16). The alarm sound generation command unit
1014 transmits the alarm sound generation message M30 to the alarm sound generation unit
103, and ends the processing (A17). The alarm sound generation unit 103 generates an alarm
sound according to the alarm sound generation message M30, and the alarm sound generation
unit 130 generates an alarm sound. In addition, although the above-mentioned start time is a
reference time in the past, since a warning sound is periodically generated, future reference time
corresponding to the above-mentioned start time (reference time) can be specified from
generation time and rest time .
[0034]
FIG. 10 is a flowchart showing a process of confirming whether an alarm sound generated by an
alarm sound and an alarm sound emitted by another alarm sound do not overlap with each other.
As described above, the alarm sound generation unit 130 generates an alarm sound (B01). After
the alarm is issued, the alarm sound stopping unit 104 pauses the alarm sound at a
predetermined timing (B02). The alarm sound stop time here can be predetermined.
[0035]
In addition, the time-frequency use information specification processing unit 1012 carries out
time-frequency use information specification processing, and the alarm sound creation
determination unit 1013, the time and frequency information message M20 used for the ambient
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sound, and the warning during emission A sound creation message M30 is sent (B03). Note that
the alarm sound creation message M30 during emission may be omitted if the alarm sound
creation determination unit 1013 stores information of the alarm sound during emission or can
be acquired from the stored block. The alarm creation determination unit 1013 stores the used
time and the content of the frequency information message M20 in each field corresponding to
the surrounding generation alarm tone of the alarm tone generation consideration table T2. The
alarm sound creation determination unit 1013 also stores the content of the alarm sound
creation message M30 in the alarm tone generation examination table T2 (B04).
[0036]
The alarm sound generation determining unit 1013 generates the alarm sound generated based
on the alarm sound start time, the generation time and the pause time, and the alarm generation
sound start time, the alarm generation time and the pause time. It is judged whether the alarm
sound and the alarm sound overlap (B05). For example, when a new alarm sound is emitted from
another device after the alarm sound is emitted from the own device, the two may overlap in
time. The alarm sound creation determining unit 1013 proceeds to processing (B06) when
overlapping, and proceeds to processing (B07) when not overlapping. In the process (B07), after
the alarm sound is created and emitted, the process of confirming whether the alarm sound
generated by another alarm sound generation unit overlaps the time is ended and the alarm
sound is emitted as it is (B07) .
[0037]
On the other hand, in the process (B06), the alarm sound stop message M40 is transmitted to the
alarm sound generation stop unit 104 via the alarm sound generation command unit 1014 (B06).
The alarm sound stop unit 104 stops the alarm issued by the alarm sound output unit 130 (B08).
Although the alarm is stopped by the processing (B02), the stop here cancels the alarm
generation based on the information such as the current frequency and the generation time.
Further, the process after the process (A02) of FIG. 9 is executed to create an alarm sound again,
and a new alarm sound is issued (B09). In addition, for example, even when the created alarm
sound and surrounding alarm sound and start time, occurrence time, and pause time overlap, it is
generated from the alarm sound emitted from the self-monitoring terminal and the alarm sound
from other monitoring terminals If the frequency of the alarm sound differs, it is possible to
determine that the start time, the generation time, and the pause time overlap at the selfmonitoring terminal without stopping the alarm sound at the self-monitoring terminal. Also in
this case, the alarm sound can be stopped at the self-monitoring terminal and the alarm sound
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can be created again.
[0038]
FIG. 11 shows a waveform chart of time zones and frequency bands recorded in the timefrequency waveform recording memory. The method of creating waveform data stored in the
time-frequency waveform storage memory 1011 is, for example, dividing the recorded sound
recorded at a fixed time and performing the Fourier transform a plurality of times, and
calculating a plurality of frequencies for each divided time It is possible to use a method such as
arranging the obtained frequency on the time axis. Alternatively, wavelet transform can be used.
In the time-frequency usage information specification processing unit 1012, the waveform
diagram of the time zone in use and the frequency band as shown in FIG. 11 recorded in the
time-frequency waveform recording memory 1011 is a time zone being used and Identify the
frequency. Note that, for example, waveform data whose sound pressure is lower than a
predetermined sound pressure (threshold value) may be a non-use time zone and frequency
because of noise.
[0039]
FIG. 12 shows an example of the waveform when the alarm sound created by the self-monitoring
terminal and the waveform stored in the surrounding time-frequency waveform recording
memory are combined. FIG. 12 is a waveform diagram in which waveforms of the alarm
generated by the alarm generator 103 and the alarm issued from the alarm generator 130 and
the time zone and frequency band stored in the surrounding time-frequency waveform recording
memory 1011 are combined. As shown in FIG. 12, the alarm sound created by the alarm creating
unit 103 except for the time zone stored in the surrounding time-frequency waveform recording
memory 1011 and the time zone and frequency band used for the waveform of the frequency
band. It can be seen that
[0040]
The apparatus and network system S1 having the notification sound and notification voice
information generation method of FIG. 1 of the present embodiment are not the alarm sound of
the self-monitoring terminal 1 described in the embodiment, but the ringing tone of the mobile
phone. An appropriate notification sound such as an alerting sound of a home water heater
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system may be used. Further, the number of connections of the self monitoring terminal 1, the
other monitoring terminal A2, the other monitoring terminal B3 and the like is arbitrary. The
topology at that time is also arbitrary, and may be connected via a communication network
configured of an IP router or the like. The time-frequency waveform recording memory 1011 or
the like in FIG. 1 may be a time and volume waveform recording memory or the like regardless of
time and frequency. The configurations in FIG. 9 and FIG. 10 are not limited in this embodiment,
and it is certain that the maintenance person notices the alarm sound under the situation where a
plurality of sounds are generated around and the generated time zones overlap. It is good if it has
a form that can create an alarm sound that can enhance the sex. In addition, even if ambient
sound overlaps and occurs after emitting the created alarm sound, in order to make the user
notice the alarm sound, create an alarm sound that is not in the ambient sound every few
seconds after emitting the created alarm sound, and alarm sound You may change it.
[0041]
According to the present embodiment, the user can notice the notification sound even in a
situation where a plurality of sounds are generated around and the generated time zones overlap,
so the certainty that the user notices the notification sound Can be enhanced. For example, the
user should be aware of the occurrence of a notification even during some work (for example,
dealing with other alarm sounds), but let the lamp recognize the occurrence of a notification
when the user is some work According to the means, since there are cases where the lamp can
not be seen due to an obstacle, and cases where the user can not check it by looking at a monitor
or the like, information transmission by sound is effective as in this embodiment.
[0042]
3. Configuration Example [Configuration Example 1] A network system including one or more
self-monitoring terminals, which is used from means for recording and recording ambient sound,
and from ambient sound stored by means for recording and recording the ambient sound. Means
for extracting the time zone and frequency, and means for specifying the time zone and
frequency not in use based on the result specified by the above-mentioned time zone and
frequency extraction means, and means for creating an alarm sound One of the features of
[0043]
[Configuration Example 2] A network system including one or more self-monitoring terminals,
which is used by means for recording and recording ambient sound, and from ambient sound
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stored by means for recording and recording the ambient sound. Based on the result specified by
the time zone and the means for extracting the sound volume, and the means for extracting the
time zone and the sound volume used above, an alarm sound whose volume is higher than the
time zone not using the ambient sound and the ambient sound One of the features is the
provision of means for creating
[0044]
4.
Application Example [Application Example 1] The notification sound generation device includes:
a recording unit for recording an ambient sound including notification sound from another
device; and a frequency and an occurrence time of the ambient sound from the ambient sound
recorded by the recording unit. An extracting unit for extracting the frequency of the notification
sound emitted by the apparatus itself so that the frequency and the generation time of the
ambient sound extracted by the extracting unit do not coincide with the frequency and the
generation time of the notification sound emitted by the apparatus itself A notification sound
determination unit that determines a time, and a notification sound generation unit that emits a
notification sound determined by the notification sound determination unit. As a result, a
certainty that the user notices the notification sound in a situation where a plurality of sounds
are generated around and the time zone of the sounds emitted from the own device and the
surrounding sound generated intermittently may overlap with each other It can be enhanced.
[0045]
Application Example 2 In the notification sound generation device according to Application
Example 1, the notification sound determination unit determines at least the generation time of
the ambient sound extracted by the extraction unit and the generation time of the notification
sound emitted by the own device. The generation time of the notification sound emitted by the
own device is determined so as to emit the blank time interval. As a result, the two notification
sounds do not continuously sound continuously, and the maintenance person can easily
recognize a plurality of notification sounds.
[0046]
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Application Example 3 In the notification sound generation device according to Application
Example 1, a frequency band is determined in advance according to the type of notification, and
the notification sound determination unit determines whether the frequency band corresponds to
the type of notification. The frequency of the notification sound emitted by the own device is
determined so that the frequency of the ambient sound extracted by the extraction unit does not
coincide with the frequency of the notification sound emitted by the own device. As a result, the
maintenance person can recognize the type of notification by the height of the notification sound
and can easily recognize a plurality of notification sounds.
[0047]
Application Example 4 In the notification sound generation device according to Application
Example 1, after the notification sound generation unit generates a notification sound, the
recording unit re-records an ambient sound including a notification sound from another device.
The extraction unit extracts the frequency and generation time of the surrounding sound from
the ambient sound recorded by the recording unit, and the notification sound determination unit
determines the frequency and generation time of the ambient sound extracted by the extraction
unit. If it is determined that the frequency and the generation time of the notification sound
emitted by the own device do not match, at least one of the frequency and the generation time of
the notification sound emitted by the own device is changed. Thus, when a notification sound is
generated and another notification sound is emitted from another device, and the notification
sound overlaps with the frequency and the generation time, the frequency or the generation time
can be shifted by the own device. For example, even if another device does not have the
configuration as in the present invention and may emit a notification sound at the same
frequency and generation time, it can be handled by the own device.
[0048]
[Example 5 of application] This network system is a network system provided with a device to be
monitored and a notification sound generator for notifying of a failure or abnormality of the
device to be monitored by a notification sound, and the above notification sound generation The
apparatus comprises: a recording unit for recording an ambient sound including notification
sound from another device; an extraction unit for extracting the frequency and generation time
of the ambient sound from the ambient sound recorded by the recording unit; A notification
sound determination unit that determines the frequency and generation time of the notification
sound emitted by the device so that the frequency and generation time of the extracted ambient
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sound do not coincide with the frequency and generation time of the notification sound emitted
by the device; And a notification sound generation unit for emitting the notification sound
determined by the notification sound determination unit. As a result, a certainty that the user
notices the notification sound in a situation where a plurality of sounds are generated around
and the time zone of the sounds emitted from the own device and the surrounding sound
generated intermittently may overlap with each other It can be enhanced.
[0049]
5. The present invention is not limited to the above-described embodiment, but includes
various modifications. For example, the embodiments described above are described in detail in
order to explain the present invention in an easy-to-understand manner, and are not necessarily
limited to those having all the configurations described. Also, part of the configuration of one
embodiment can be replaced with the configuration of another embodiment, and the
configuration of another embodiment can be added to the configuration of one embodiment. In
addition, with respect to a part of the configuration of each embodiment, it is possible to add,
delete, and replace other configurations.
[0050]
Further, each of the configurations, functions, processing units, processing means, etc. described
above may be realized by hardware, for example, by designing part or all of them with an
integrated circuit. Further, each configuration, function, etc. described above may be realized by
software by the processor interpreting and executing a program that realizes each function.
Information such as a program, a table, and a file for realizing each function can be placed in a
memory, a hard disk, a recording device such as an SSD (Solid State Drive), or a recording
medium such as an IC card, an SD card, or a DVD. Further, control lines and information lines
indicate what is considered to be necessary for the description, and not all control lines and
information lines in the product are necessarily shown. In practice, almost all configurations may
be considered to be mutually connected.
[0051]
1 self-monitoring terminal 2 other monitoring terminal A 3 other monitoring terminal B 10 alarm
sound judgment unit 12 central processing unit (CPU) 13 network interface unit (NIC) 14 input /
output unit (I / O IF) 15 speaker 16 microphone 17 auxiliary memory Device (HDD) 18 Main
storage device (main memory) 21 Alarm sound generator 31 Alarm sound generator 101 Alarm
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sound creation message 102 Alarm sound storage memory 103 Alarm sound generator 104
Alarm sound stop unit 110 Monitor device monitor 120 Alarm sound Recording unit 130 Alarm
sound generation unit 1010 Time-frequency waveform extraction processing 1011 Timefrequency waveform memory 1012 Time-frequency usage information identification processing
1013 Alarm sound creation determination unit 1014 Alarm sound creation command unit 1100
Monitoring device alarm reception function unit
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