JP2013257847A - Method for transmitting alarm tone - Google Patents
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本発明は、経時的に周波数が変化するスイープ音フレーズを有する警報音の発信方法に関する。 The present invention relates to a method for transmitting an alarm sound having a sweep sound phrase whose frequency changes over time.
ガス漏れや火災などの災害の危険があるとき、警報器が発した警報に従って避難する人は少ない傾向がある。この一因としては、警報が発せられても、緊張感や危機感を持たない人が多いことが考えられる。そこで避難率向上のためには、警報器が、より多くの人が緊張感や危機感を直感的に感じることができる警報音を発することが望ましい。 When there is a danger of a disaster such as a gas leak or fire, few people evacuate according to the alarm issued by the alarm. One possible reason for this is that even if an alarm is issued, there are many people who do not feel nervous or in danger. Therefore, in order to improve the evacuation rate, it is desirable that the alarm device emits an alarm sound that allows more people to feel a sense of tension and a sense of crisis intuitively.
警報器が発信する警報音としては、例えばスイープ音を含むものが使用されている（特許文献１，２）。 As an alarm sound transmitted from the alarm device, for example, a sound including a sweep sound is used (Patent Documents 1 and 2).
スイープ音は経時的に周波数が変化する音であり、「騒音下で認識し易い」および「緊張感や危機感を伝える信号だと認知され易い」という、警報音として望ましい性質を備えている。 The sweep sound is a sound whose frequency changes over time, and has a desirable property as an alarm sound that “it is easy to recognize under noise” and “easy to be recognized as a signal that conveys a sense of tension or a sense of crisis”.
例えば高齢者と若年者とでは耳が感知しやすい音の周波数帯域が異なっている。上述したスイープ音を発信するに際し、より多くの人に警報を効率よく伝達できるように設定できれば、より望ましい。 For example, the frequency bands of sounds that are easily perceived by the ear are different between the elderly and the young. It is more desirable if it can be set so that an alarm can be efficiently transmitted to more people when the above sweep sound is transmitted.
従って、本発明の目的は、より多くの人に警報を効率よく伝達できる警報音の発信方法を提供することにある。 Therefore, an object of the present invention is to provide a method for transmitting an alarm sound that can efficiently transmit an alarm to a larger number of people.
上記目的を達成するための本発明に係る警報音の発信方法は、経時的に周波数が変化するスイープ音フレーズを有する警報音の発信方法において、その第一特徴手段は、周波数の変化範囲が異なる複数のスイープ音フレーズを有し、これら複数のスイープ音フレーズを所定順に並べたセットを繰り返すように設定した点にある。 In order to achieve the above object, the alarm sound transmitting method according to the present invention is an alarm sound transmitting method having a sweep sound phrase whose frequency changes over time. The first characteristic means has a different frequency change range. It has a plurality of sweep sound phrases and is set to repeat a set in which the plurality of sweep sound phrases are arranged in a predetermined order.
本手段によれば、周波数の変化範囲が異なった音調の異なるスイープ音を複数有してこれらを繰り返すことで、注意を引き付け易くできる警報音を発信することができる。また、周波数の変化割合が異なる複数のスイープ音フレーズを有することで、例えば低音域から高音域まで含んだスイープ音フレーズを発信させることができる。これにより、高齢者および若年者といった年齢層などにかかわらず、多数の人に認識し易いスイープ音を発信させることができる。 According to this means, a plurality of sweep sounds having different tones with different frequency change ranges are provided, and an alarm sound that can easily attract attention can be transmitted by repeating these. Further, by having a plurality of sweep sound phrases having different frequency change rates, for example, a sweep sound phrase including a low sound range to a high sound range can be transmitted. As a result, it is possible to transmit a sweep sound that can be easily recognized by a large number of people regardless of age groups such as elderly people and young people.
本発明に係る警報音の発信方法の第二特徴手段は、各スイープ音フレーズにおいて、周波数の変化割合を一定とした点にある。 The second characteristic means of the alarm sound transmission method according to the present invention is that the frequency change rate is constant in each sweep sound phrase.
本手段によれば、周波数の変化範囲において、低音域から高音域まで聞き取りやすくなり、より多数の人に認識し易いスイープ音を発信させることができる。 According to this means, in the frequency change range, it becomes easy to hear from the low sound range to the high sound range, and a sweep sound that can be easily recognized by a larger number of people can be transmitted.
本発明に係る警報音の発信方法の第三特徴手段は、異なったスイープ音フレーズを、所定のオフ時間を挟んで設定した点にある。 The third characteristic means of the alarm sound transmission method according to the present invention is that different sweep sound phrases are set with a predetermined off time.
本手段によれば、緊張感を持たせたスイープ音を鳴動させることができるようになるため、警報音の認識程度がより向上する。 According to this means, it becomes possible to sound a sweeping sound with a sense of tension, so the degree of recognition of the alarm sound is further improved.
以下、本発明の実施形態を図面に基づいて説明する。
本発明の警報音の発信方法は、経時的に周波数が変化するスイープ音フレーズを有する警報音において、周波数の変化範囲が異なる複数のスイープ音フレーズを有し、これら複数のスイープ音フレーズを所定順に並べたセットを繰り返すように設定する。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The alarm sound transmission method of the present invention has a plurality of sweep sound phrases having different frequency change ranges in an alarm sound having a sweep sound phrase whose frequency changes over time, and the plurality of sweep sound phrases are in a predetermined order. Set to repeat the set.
スイープ音は、所定の周波数の範囲内で経時的に周波数が変化する音である。
例えば高齢者と若年者とでは耳が感知しやすい音の周波数帯域が異なっている。警報音は、できるだけ多くの人に認識できる音を発信する必要がある。本手段のスイープ音フレーズは、周波数の変化範囲が異なるフレーズを複数有するように構成してある。これにより、音調の異なるスイープ音を発信させることができる。
例えば図１では、周波数が１．０〜４．２ＫＨｚおよび３．８〜４．２ＫＨｚの範囲で変化する、最低周波数を異ならせた二種類のスイープ音フレーズを有するスイープ音のデューティーサイクルを示している。この場合、相対的に、３．８〜４．２ＫＨｚの範囲で変化するスイープ音フレーズは高音域のみの発信であるが、１．０〜４．２ＫＨｚの範囲で変化するスイープ音フレーズは低音域から高音域まで含んだ発信となる。
A sweep sound is a sound whose frequency changes over time within a predetermined frequency range.
For example, the frequency bands of sounds that are easily perceived by the ear are different between the elderly and the young. The alarm sound needs to be transmitted so that it can be recognized by as many people as possible. The sweep sound phrase of this means is configured to have a plurality of phrases having different frequency change ranges. As a result, sweep sounds having different tones can be transmitted.
For example, FIG. 1 shows the duty cycle of a sweep sound that has two types of sweep sound phrases with different minimum frequencies, with frequencies varying between 1.0 and 4.2 KHz and 3.8 to 4.2 KHz. Yes. In this case, the sweep sound phrase that changes relatively in the range of 3.8 to 4.2 KHz is transmitted only in the high range, but the sweep sound phrase that changes in the range of 1.0 to 4.2 KHz is the low range. To the high frequency range.
本手段のように、周波数の変化範囲が異なった音調の異なるスイープ音を複数有し、これらを繰り返すことで、注意を引き付け易くできる警報音を発信することができる。また、低音域から高音域まで含んだスイープ音フレーズを発信させることで、高齢者および若年者といった年齢層などにかかわらず、多数の人に認識し易いスイープ音を発信させることができる。 Like this means, a plurality of sweep sounds having different tones with different frequency change ranges are provided, and by repeating these, an alarm sound that can easily attract attention can be transmitted. In addition, by sending a sweep sound phrase including a low sound range to a high sound range, it is possible to transmit a sweep sound that can be easily recognized by a large number of people regardless of age groups such as elderly people and young people.
また、各スイープ音フレーズは、周波数の変化割合を一定にするのがよい。「周波数の変化割合を一定にする」とは、周波数を変化させる際に、周波数の変化範囲（最低周波数〜最高周波数）において一定の変化割合（傾き）を有するようにすることをいう。
このように各スイープ音フレーズの周波数の変化割合を一定にすることで、周波数の変化範囲において、低音域から高音域まで聞き取りやすくなり、より多数の人に認識し易いスイープ音を発信させることができる。
Each sweep sound phrase should have a constant frequency change rate. “Making the frequency change rate constant” means having a constant rate of change (gradient) in the frequency change range (lowest frequency to highest frequency) when changing the frequency.
In this way, by making the frequency change rate of each sweep sound phrase constant, in the frequency change range, it becomes easy to hear from the low range to the high range, and a sweep sound that is easy to recognize for a larger number of people can be transmitted. it can.
さらに、異なったスイープ音フレーズを、所定のオフ時間を挟んで設定するのがよい。これにより、緊張感を持たせたスイープ音を鳴動させることができるようになるため、警報音の認識程度がより向上する。本手段の場合、当該オフ時間の長さを変更してもよく、例えば、緊張感を増すために当該オフ時間の長さを短く設定してもよい。 Furthermore, it is preferable to set different sweep sound phrases with a predetermined off time. As a result, it becomes possible to sound a sweep sound with a sense of tension, and the degree of recognition of the alarm sound is further improved. In the case of this means, the length of the off time may be changed. For example, the length of the off time may be set short in order to increase a sense of tension.
〔実施例１〕
周波数の変化範囲が異なる複数のスイープ音フレーズを有し、これら複数のスイープ音フレーズを所定順に並べたセットを繰り返す場合について、スイープ音サイクルの例を図１〜３に示した。警報機はＸＨ−６２２Ｇ（新コスモス電機株式会社）を用いた。
図１（実施例１−１）では、二種類のスイープ音フレーズを設定し、第一スイープ音フレーズの周波数を３．８〜４．２ＫＨｚにスイープさせ、第二スイープ音フレーズの周波数を１．０〜４．２ＫＨｚにスイープさせた。スイープ音サイクルは、オン時間４００ｍｓ、オフ時間１００ｍｓに設定した。
[Example 1]
Examples of sweep sound cycles are shown in FIGS. 1 to 3 in the case of having a plurality of sweep sound phrases having different frequency change ranges and repeating a set in which the plurality of sweep sound phrases are arranged in a predetermined order. XH-622G (New Cosmos Electric Co., Ltd.) was used as the alarm device.
In FIG. 1 (Example 1-1), two types of sweep sound phrases are set, the frequency of the first sweep sound phrase is swept to 3.8 to 4.2 KHz, and the frequency of the second sweep sound phrase is set to 1. Sweep to 0-4.2 KHz. The sweep sound cycle was set to an on time of 400 ms and an off time of 100 ms.
本実施例１−１では、それぞれのスイープ音フレーズにおいて、周波数の変化割合を一定にしてある。
これにより、周波数の変化範囲において、低音域から高音域まで聞き取りやすくなり、より多数の人に認識し易いスイープ音を発信させることができる。
In the example 1-1, the frequency change rate is constant in each sweep sound phrase.
Thereby, it becomes easy to hear from a low sound range to a high sound range in a frequency change range, and a sweep sound that can be easily recognized by a larger number of people can be transmitted.
また、本実施例１−１では、異なったスイープ音フレーズを、所定のオフ時間を挟んで設定してある。
これにより、緊張感を持たせたスイープ音を鳴動させることができるようになるため、警報音の認識程度がより向上する。
In the example 1-1, different sweep sound phrases are set with a predetermined off time.
As a result, it becomes possible to sound a sweep sound with a sense of tension, and the degree of recognition of the alarm sound is further improved.
上述した実施例１−１のように二種類のスイープ音フレーズを設定した場合、例えば、スイープ音サイクルを、オン時間１００ｍｓ、オフ時間４００ｍｓに設定（実施例１−２：図２）、或いは、オン時間２５０ｍｓ、オフ時間２５０ｍｓに設定（実施例１−３：図３）してもよい。
When two types of sweep sound phrases are set as in Example 1-1 described above, for example, the sweep sound cycle is set to an on time of 100 ms and an off time of 400 ms (Example 1-2: FIG. 2), or The on-
〔実施例２〕
上述した実施例では、二種類のスイープ音フレーズの間に所定のオフ時間を挟んで設定したが、二種類のスイープ音フレーズを、オフ時間を挟まないように設定してもよい（実施例２−１：図４）。実施例２−１では、各スイープ音フレーズを５００ｍｓに設定した。
[Example 2]
In the embodiment described above, a predetermined off time is set between two types of sweep sound phrases, but two types of sweep sound phrases may be set so as not to sandwich the off time (Example 2). -1: Fig. 4). In Example 2-1, each sweep sound phrase was set to 500 ms.
〔実施例３〕
上述した実施例では、二種類のスイープ音フレーズを設定したが、これに限られるものではなく、三種類以上のスイープ音フレーズを設定してもよい。スイープ音フレーズを増やすことで、バラエティーに富んだ警報音を発信することができるため、警報音の認識程度がより向上する。また、スイープ音フレーズを増やすことで、人に与える危機感を段階的に分類し易くなり、災害の程度を認識させ易くなる。
Example 3
In the embodiment described above, two types of sweep sound phrases are set. However, the present invention is not limited to this, and three or more types of sweep sound phrases may be set. By increasing the number of sweep sound phrases, a wide variety of alarm sounds can be transmitted, and the degree of recognition of the alarm sound is further improved. Further, by increasing the number of sweep sound phrases, it becomes easier to classify the sense of crisis given to a person in stages, and to easily recognize the degree of disaster.
本発明は、経時的に周波数が変化するスイープ音フレーズを有する警報音の発信方法に利用できる。 INDUSTRIAL APPLICABILITY The present invention can be used for an alarm sound transmission method having a sweep sound phrase whose frequency changes with time.
Claims (3)
周波数の変化範囲が異なる複数のスイープ音フレーズを有し、これら複数のスイープ音フレーズを所定順に並べたセットを繰り返すように設定する警報音の発信方法。 In a method for transmitting an alarm sound having a sweep sound phrase whose frequency changes over time,
A method for transmitting an alarm sound that includes a plurality of sweep sound phrases having different frequency change ranges, and is configured to repeat a set in which the plurality of sweep sound phrases are arranged in a predetermined order.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20170007575A (en) * | 2015-07-08 | 2017-01-19 | 동신대학교산학협력단 | A fire alarm method and a fire alarm apparatus |
| CN113129569A (en) * | 2021-04-13 | 2021-07-16 | 辰安天泽智联技术有限公司 | Fusion type fire-fighting Internet of things monitoring and early warning signal identification method |
| CN113205669A (en) * | 2021-04-13 | 2021-08-03 | 清华大学合肥公共安全研究院 | Fused fire-fighting Internet of things monitoring and early warning method |
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| JP2010049606A (en) * | 2008-08-25 | 2010-03-04 | Hochiki Corp | Alarm |
| JP2010061423A (en) * | 2008-09-04 | 2010-03-18 | Nittan Co Ltd | Fire alarm for dwelling house |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010049606A (en) * | 2008-08-25 | 2010-03-04 | Hochiki Corp | Alarm |
| JP2010061423A (en) * | 2008-09-04 | 2010-03-18 | Nittan Co Ltd | Fire alarm for dwelling house |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170007575A (en) * | 2015-07-08 | 2017-01-19 | 동신대학교산학협력단 | A fire alarm method and a fire alarm apparatus |
| KR101705572B1 (en) * | 2015-07-08 | 2017-02-13 | 동신대학교산학협력단 | A fire alarm method and a fire alarm apparatus |
| CN113129569A (en) * | 2021-04-13 | 2021-07-16 | 辰安天泽智联技术有限公司 | Fusion type fire-fighting Internet of things monitoring and early warning signal identification method |
| CN113205669A (en) * | 2021-04-13 | 2021-08-03 | 清华大学合肥公共安全研究院 | Fused fire-fighting Internet of things monitoring and early warning method |
| CN113205669B (en) * | 2021-04-13 | 2022-07-19 | 清华大学合肥公共安全研究院 | Fused fire-fighting Internet of things monitoring and early warning method |
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