JPS581034Y2 - Vocal aids for people with vocal cord disorders, etc. - Google Patents
Vocal aids for people with vocal cord disorders, etc.Info
- Publication number
- JPS581034Y2 JPS581034Y2 JP12142979U JP12142979U JPS581034Y2 JP S581034 Y2 JPS581034 Y2 JP S581034Y2 JP 12142979 U JP12142979 U JP 12142979U JP 12142979 U JP12142979 U JP 12142979U JP S581034 Y2 JPS581034 Y2 JP S581034Y2
- Authority
- JP
- Japan
- Prior art keywords
- vocal
- people
- microphone
- vocal cord
- speaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Prostheses (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
【考案の詳細な説明】
本考案は、声帯疾患者等の会話に必要な大きい声を出せ
ない人の発声補助として適切な発声補助器の改良に関す
る。[Detailed Description of the Invention] The present invention relates to the improvement of a vocal aid device suitable for assisting the vocalizations of people who are unable to produce a loud voice necessary for conversation, such as those with vocal cord disorders.
更に詳しくは、本考案者の一人が先きに実願昭50−6
2897号(実開昭51−143397号公報)として
提案した発声補助器の改良に関する。In more detail, one of the inventors of this invention previously submitted an application for
This invention relates to an improvement of a speech aid proposed as No. 2897 (Utility Model Application Publication No. 51-143397).
本考案者の一人は、会話に必要な大きな声が出せない人
、すなわち声帯の疾患者、反目神経麻痺者あるいは喉頭
摘出者で人工音声を有する人、例えばエレクトロラリン
クスやタビアの笛による音声を有する人、または食道発
声者、老齢あるいは重病のために大きな声が出せない人
等を対象にして、身体の一部に装着することにより会話
に要する音量の声を出せるようにした発声補助器を開発
し、先きに実願昭50−62897号として提案した。One of the inventors of the present invention is a person who cannot make a loud voice necessary for conversation, that is, a person with a vocal cord disease, a person with an opiate nerve paralysis, or a person who has had a laryngectomy, and who has an artificial voice, such as an electrolarynx or a Tavia whistle. This is a vocal aid that can be worn on a part of the body and allows the user to produce the volume necessary for conversation, for people with esophageal vocalization, people who cannot speak loudly due to old age or serious illness, etc. The system was developed and previously proposed as Utility Application No. 1983-62897.
この先きの提案に係る発声補助器の構成は、喉頭部、前
額部、外耳道壁部、乳様突起部等の骨伝導音声信号(振
動)が伝達する身体の一部に固定される骨伝導型マイク
ロホンと、この骨伝導型マイクロホンからの音声電気信
号を増巾して出力するスピーカーとの組合せから或って
いる。The structure of the speech aid proposed in the future is that the bone conduction device is fixed to a part of the body through which bone conduction audio signals (vibrations) are transmitted, such as the larynx, forehead, wall of the external auditory canal, and mastoid. It consists of a combination of a bone conduction type microphone and a speaker that amplifies and outputs the audio electrical signal from the bone conduction type microphone.
本考案者等は、前記発声補助器の実用化を図るため、鋭
意研究を続けた結果、次の諸点において特長を有する骨
伝導型のイヤーマイクロホンが、他の骨伝導型マイクロ
ホンに比べて、発声補助器の音声ピックアップとして最
適であることを確認するに至った。The inventors of the present invention have continued intensive research in order to put the above-mentioned speech aid into practical use, and have found that a bone conduction type ear microphone with the following features is superior to other bone conduction type microphones. We have confirmed that it is optimal as an audio pickup for auxiliary equipment.
■ 外耳道に装着できるために、装着および取外し操作
が容易であること。■ Since it can be placed in the ear canal, it is easy to put on and take off.
■ 固定用のバンド等を用いて喉頭部や前額部に固定さ
れる他の骨伝導型マイクロホンにおいては、使用上の不
快感や違和感が著しいが、イヤーマイクロホンはこのよ
うな不快感等が無いこと。■ Other bone conduction microphones that are fixed to the larynx or forehead using a fixing band etc. cause significant discomfort and discomfort when using them, but ear microphones do not cause such discomfort. thing.
■ 外耳道壁から骨伝導音声信号をピックアップするた
めに、圧電素子が外耳道内に装着されるので、外界騒音
の除去が容易であって、声帯疾患者等の発声に伴なう骨
伝導音声信号のみをピックアップできて、明瞭度の高い
音声が得られること。■ A piezoelectric element is installed in the ear canal to pick up bone conduction sound signals from the wall of the ear canal, making it easy to remove external noise and only picking up bone conduction sound signals associated with vocalization by people with vocal cord disorders. be able to pick up the sound and obtain highly clear audio.
■ あたかもイオホーンのように外耳道に装着されるた
め、体裁感も良好であること。■ Since it is worn in the ear canal like an Iophone, it also has a good appearance.
■ 眼鏡の弦等に組込み乳様突起部からピックアップす
る骨伝導型マイクロホンの場合には、特殊の弦を有する
眼鏡のコストが高く、汎用性に欠けるが、イヤーマイク
ロホンは外耳道に装着されるものであるから、安価量産
性に適し汎用性を有すること。■ In the case of bone conduction microphones that are installed in the strings of glasses and pick up from the mastoid region, glasses with special strings are expensive and lack versatility, but ear microphones are attached to the external auditory canal. Therefore, it is suitable for low cost mass production and has versatility.
一方、本考案者等は、前記の如き緒特性を有する骨伝導
型イヤーマイクロホンを試作し、種々の実験を行った結
果、発声補助器として次のような欠点を生じることが判
明した。On the other hand, the inventors of the present invention prototyped a bone conduction type ear microphone having the above-mentioned characteristics and conducted various experiments, and as a result, it was found that the microphone had the following drawbacks as a vocal aid.
すなわち、骨伝導型イヤーマイクロホンは、第4図に示
すように、外耳道壁から骨伝導音声信号をピックアンプ
して電気信号に変換するのに圧電素子を用いるため、そ
の圧電素子の周波数にピークpがみられること、そして
、発声補助器の場合にはスピーカーが、このイヤーマイ
クロホンを装着した声帯疾患者等に携帯されるために、
該スピーカーの出力レベルを大きくすると、クロストー
クの影響でイヤーマイクロホンの周波数特性のピークp
とスピーカー出力とが共振してしまい、・〜ウリングが
起こることがある。In other words, as shown in Figure 4, bone conduction ear microphones use a piezoelectric element to pick-amplify bone conduction audio signals from the ear canal wall and convert them into electrical signals, so the frequency of the piezoelectric element has a peak p. Also, in the case of voice aids, the speakers are carried by people with vocal cord disorders who wear ear microphones.
When the output level of the speaker is increased, the peak p of the ear microphone's frequency response is increased due to the influence of crosstalk.
and the speaker output may resonate, causing ringing.
そこで、本考案の目的は、前記■〜■の特性を有する骨
伝導型イヤーマイクロホンを、声帯疾患者等の発声のピ
ックアップ用マイクロホンとして採用すると共に、この
イヤーマイクロホンと組合せ使用されて携帯されるスピ
ーカーの出力レベルを上げても、−ウリングが生じるの
を防止することができる。Therefore, the purpose of the present invention is to employ a bone conduction ear microphone having the characteristics described in (1) to (3) above as a microphone for picking up the vocalizations of people with vocal cord disorders, and to use it in combination with this ear microphone as a portable speaker. Even if the output level is increased, it is possible to prevent -uling from occurring.
改良された声帯疾患者等用の発声補助器を提供すること
である。An object of the present invention is to provide an improved vocal aid for people with vocal cord disorders.
以下、上記目的を達成する本考案の詳細を、図示する代
表的実施例に基いて説明する。Hereinafter, details of the present invention that achieves the above objects will be explained based on representative embodiments shown in the drawings.
各図に゛おいて、1は声帯疾患者等の外耳道に装着され
る骨伝導型イヤーマイクロホンであって、外耳道壁に接
触して骨伝導音声信号(振動)を伝受するマイクロホン
本体2(例えば、アルミニウム等の金属あるいは硬質プ
ラスチック材料等により、外耳動に挿入可能なように円
筒形状に形成される。In each figure, reference numeral 1 denotes a bone conduction ear microphone that is attached to the ear canal of a person with a vocal cord disease, etc., and the microphone body 2 (for example, It is made of a metal such as aluminum or a hard plastic material and has a cylindrical shape so that it can be inserted into the external ear.
)に、該マイクロホン本体2の振動を受けて(加速度的
に)振動し、骨伝導音声信号(振惑)を電気信号に変換
する圧電素子3が内蔵させである。) has a built-in piezoelectric element 3 that vibrates (accelerated) in response to vibrations of the microphone body 2 and converts bone conduction audio signals (vibration) into electrical signals.
4は該イず−マイクロホン1の電気信号を増巾し拡声音
響として出力するスピーカーであって、圧電素子30周
波数特性のピーク9部分を含む周波数帯域をカットまた
は低減するピークカット装置5を有する。4 is a speaker which amplifies the electrical signal of the microphone 1 and outputs it as amplified sound, and has a peak cut device 5 which cuts or reduces a frequency band including the peak 9 portion of the frequency characteristic of the piezoelectric element 30.
なお、図中6は圧電素子3を支持するダンパ一部材、1
はリード線、8は増巾器、9は電池を示す。In addition, 6 in the figure is a damper member that supports the piezoelectric element 3;
8 indicates a lead wire, 8 indicates an amplifier, and 9 indicates a battery.
本考案に用いられるピークカット装置5としては、例え
ばバイパスフィルターもしくはバンドパスフィルター又
はイコライザーのように、圧電素子3の出力を入力して
、該圧電素子30周波数特性のピーク9部分を含む周波
数帯域をカットまたは低減し、スピーカー4の入力とす
るものであればよい。The peak cut device 5 used in the present invention, such as a bypass filter, a bandpass filter, or an equalizer, inputs the output of the piezoelectric element 3 and cuts a frequency band including the peak 9 portion of the frequency characteristic of the piezoelectric element 30. Any signal that can be cut or reduced and used as an input to the speaker 4 may be used.
具体的に説明すると、圧電素子の周波数特性のピークp
が例えば5,500H2〜6,0OOH2にあるとすれ
ば、この周波数帯域を含む5,0OOH2〜6.000
Hzの周波数帯域をカットするフィルター等を用いるこ
と、或いは圧電素子30周波数特性が第4図に示すよう
なものである場合には、第與に示すように、上記圧電素
子30周波数特性と逆の周波数特性として出力するイコ
ライザー等を用いることができる。To explain specifically, the peak p of the frequency characteristic of the piezoelectric element
For example, if it is in 5,500H2 to 6,0OOH2, then 5,0OOH2 to 6.000 including this frequency band
If a filter that cuts the Hz frequency band is used, or if the frequency characteristic of the piezoelectric element 30 is as shown in Fig. 4, the frequency characteristic of the piezoelectric element 30 opposite to that shown in Fig. An equalizer or the like that outputs frequency characteristics can be used.
本考案に係る発声補助器は、イヤーマイクロホンとスピ
ーカーとを有線方式で結合することの他無線方式で結合
しても良い。In the speech aid according to the present invention, the ear microphone and the speaker may be connected in a wired manner or in a wireless manner.
すなわち、第3図に示す如く、例えば耳掛はケース10
中に、圧電素子3の出力を増巾する増巾器11と、この
増幅された音声電気信号を発振する発振器12とを電池
電源13と共に収納させると共に、スピーカー4に前記
発振器12からの発振信号を受信する受信器14を設け
ればよい。That is, as shown in FIG. 3, for example, the ear hook is case 10.
Inside, an amplifier 11 that amplifies the output of the piezoelectric element 3 and an oscillator 12 that oscillates the amplified audio electrical signal are housed together with a battery power source 13, and the oscillation signal from the oscillator 12 is transmitted to the speaker 4. What is necessary is to provide a receiver 14 that receives the information.
なお、第3図中、15はアンテナを示す。In addition, in FIG. 3, 15 indicates an antenna.
上記構成を有する本考案の作用は次の通りである。The operation of the present invention having the above configuration is as follows.
イヤーマイクロホン1を外耳道に装着し、スピーカー4
を胸ポケット等に携帯する。Attach ear microphone 1 to the ear canal, and connect speaker 4.
Carry it in your breast pocket, etc.
そこで、イヤーマイクロホン1を装着した声帯疾患者等
が発声すると、その骨伝導音声信号(振動)が外耳道壁
に伝達し、これを圧電素子3がピックアップして電気信
号に変換し、IJ−)”線7によって外部に導出され、
(無線方式を採用した場合には無線送受信され、)この
電気信号は増巾器8によって増巾されると共に、ピーク
カット装置5を介してスピーカー4から音響として出力
されることとなる。Therefore, when a person with a vocal cord disease or the like wearing the ear microphone 1 speaks, the bone conduction sound signal (vibration) is transmitted to the wall of the external auditory canal, which is picked up by the piezoelectric element 3 and converted into an electrical signal. led out by line 7,
(If a wireless system is adopted, the electric signal is transmitted and received wirelessly.) This electric signal is amplified by the amplifier 8 and is output as sound from the speaker 4 via the peak cut device 5.
本考案によれば、声帯疾患者等の会話に必要な大きな声
を出せない人の発声をピックアップするマイクロホンと
して、骨伝導型イヤーマイクロホンを用いたので前記し
た■〜■の緒特性を発揮することができ、同時に、ピー
クカット装置を有するスピーカーを用いたので、該スピ
ーカーを声帯疾患者等が携帯し、その出力レベルを大き
くしても、−ウリングを生じることがない。According to the present invention, a bone conduction type ear microphone is used as a microphone to pick up the vocalizations of people who cannot speak loudly, which is necessary for conversation, such as those with vocal cord disorders, so that the above-mentioned characteristics of ■ to ■ can be exhibited. At the same time, since a speaker with a peak cut device is used, even if the speaker is carried by a person with a vocal cord disease and the output level is increased, no ringing will occur.
従って、極めて小声の発声しかできない声帯疾患者等の
場合にもスピーカーの出力レベルを上げることができ、
通常の会話を行なうことができる。Therefore, it is possible to increase the output level of the speaker even in the case of a person with a vocal cord disease who can only speak in a very low voice.
Can carry on normal conversation.
第1図は本考案に係る声帯疾患者等用の発声補助器を有
線方式とした場合の斜視図、第2図は本考案に用いられ
る骨伝導型イヤーマイクロホンの一例を示す拡大縦断面
図、第3図は本考案を無線方式とした場合の一部断面斜
視図、第4図は本考案に用いられる骨伝導型イヤーマイ
クロホンの周波数特性の一例を示すグラフ、第5図は本
考案に用いられるピークカット装置の出力周波数特性を
示すグラフである。
図中、1はイヤーマイクロホン、3は圧電素子、4はス
ピーカー、5はピークカット装置、12は発振器、14
は受信器を示す。FIG. 1 is a perspective view of a wired vocal aid for people with vocal cord disorders according to the present invention, and FIG. 2 is an enlarged vertical sectional view showing an example of a bone conduction ear microphone used in the present invention. Fig. 3 is a partial cross-sectional perspective view of the wireless system of the present invention, Fig. 4 is a graph showing an example of the frequency characteristics of the bone conduction ear microphone used in the present invention, and Fig. 5 is a graph showing an example of the frequency characteristics of the bone conduction ear microphone used in the present invention. 3 is a graph showing the output frequency characteristics of the peak cut device. In the figure, 1 is an ear microphone, 3 is a piezoelectric element, 4 is a speaker, 5 is a peak cut device, 12 is an oscillator, 14
indicates a receiver.
Claims (3)
ックアップしで電気信号に変換する骨伝導型マイクロホ
ンと、該マイクロホンの出力を拡声する携帯可能なスピ
ーカーとの組合せから成る声帯疾患者等用の発声補助器
において、前記マイクロホンとして、声帯疾患者の外耳
道壁から骨伝導音声信号をピックアップして電気信号に
変換する圧電素子を有するイヤーマイクロホンを用いる
と共に、前記スピーカーとして、上記イヤーマイクロホ
ンの圧電素子の周波数特性のピーク部分を含む周波数帯
域をカットまたは低減スるピークカット装置を有するス
ピーカーを用いたことを特徴とする声帯疾患者等用の発
声補助器。(1) Vocal cord disease consisting of a combination of a bone conduction microphone that picks up bone conduction audio signals accompanying the vocalizations of people with vocal cord disease and converts them into electrical signals, and a portable speaker that amplifies the output of the microphone. In the vocal aid for persons with vocal cord disease, an ear microphone having a piezoelectric element that picks up a bone conduction sound signal from the external auditory canal wall of a person with vocal cord disease and converts it into an electrical signal is used as the microphone, and the ear microphone is used as the speaker. 1. A vocal aid for people with vocal cord disorders, characterized by using a speaker having a peak cut device that cuts or reduces a frequency band including the peak part of the frequency characteristics of a piezoelectric element.
たは無線によって結合されていることを特徴ととする実
用新案登録請求の範囲第1項記載の声帯疾患者等用の発
声補助器。(2) A vocal aid for people with vocal cord disorders as set forth in claim 1, characterized in that an ear microphone and a speaker are connected by wire or wirelessly.
はバンドパスフィルターまたはイコライザーであること
を特徴とする実用新案登録請求の範囲第1項または第2
項記載の声帯疾患者等用の発声補助器。(3) Utility model registration claim 1 or 2, characterized in that the peak cut device is a bypass filter, a bandpass filter, or an equalizer.
A vocal aid for people with vocal cord disorders, etc., as described in Section 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12142979U JPS581034Y2 (en) | 1979-09-04 | 1979-09-04 | Vocal aids for people with vocal cord disorders, etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12142979U JPS581034Y2 (en) | 1979-09-04 | 1979-09-04 | Vocal aids for people with vocal cord disorders, etc. |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5639794U JPS5639794U (en) | 1981-04-14 |
JPS581034Y2 true JPS581034Y2 (en) | 1983-01-08 |
Family
ID=29353573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12142979U Expired JPS581034Y2 (en) | 1979-09-04 | 1979-09-04 | Vocal aids for people with vocal cord disorders, etc. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581034Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005009073A1 (en) * | 2003-07-18 | 2005-01-27 | Hiroshi Hosoi | Speech input device |
-
1979
- 1979-09-04 JP JP12142979U patent/JPS581034Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5639794U (en) | 1981-04-14 |
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