JPH0347604Y2 - - Google Patents
Info
- Publication number
- JPH0347604Y2 JPH0347604Y2 JP12655987U JP12655987U JPH0347604Y2 JP H0347604 Y2 JPH0347604 Y2 JP H0347604Y2 JP 12655987 U JP12655987 U JP 12655987U JP 12655987 U JP12655987 U JP 12655987U JP H0347604 Y2 JPH0347604 Y2 JP H0347604Y2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- test
- monitor
- circuit
- audiometer
- 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
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
【考案の詳細な説明】
「産業上の利用分野」
本考案は被検者に検査音を与えたとき、検者に
は検査音と異なるモニタ音を与えるようにしたオ
ージオメータの検査音モニタ装置に関するもので
ある。[Detailed description of the invention] "Industrial application field" This invention is an audiometer test sound monitoring device that provides a monitor sound different from the test sound to the examiner when the test sound is given to the examinee. It is related to.
「従来の技術」
一般にオージオメータは、第３図に示すクロツ
クパルス発生回路１から第２図ａに示すような一
定時間t0（例えば１秒）毎にクロツクパルスが出
力すると、持続時間設定回路２がトリガーされ、
この持続時間設定回路２の出力で、ゲート回路３
が一定時間t1（例えば25ミリ秒）だけ開く。その
ため純音発振回路４からの所定周波数の信号が第
２図ｂに示すような断続した検査音となつてゲー
ト回路３から出力する。この検査音はアンプ５、
減衰回路６を経てミクサ７へ送られる。``Prior Art'' Generally, in an audiometer, when a clock pulse is output from the clock pulse generating circuit 1 shown in FIG. 3 at regular intervals t 0 (for example, 1 second) as shown in FIG. triggered,
With the output of this duration setting circuit 2, the gate circuit 3
is open for a certain period of time t 1 (for example, 25 milliseconds). Therefore, a signal of a predetermined frequency from the pure tone oscillation circuit 4 is outputted from the gate circuit 3 as an intermittent test sound as shown in FIG. 2b. This test sound is amplifier 5,
The signal is sent to mixer 7 via attenuation circuit 6.
また、所定周波数のマスカー発振回路８からの
第２図ｃに示すような連続した信号はアンプ９、
減衰回路１０を経て前記ミクサ７へ送られる。こ
れらの検査音とマスカーとはミクサ７で混合さ
れ、第２図ｄのような重畳音となつて出力アンプ
１１へ送られる。 Further, a continuous signal as shown in FIG.
The signal is sent to the mixer 7 via an attenuation circuit 10. These test sounds and the masker are mixed by the mixer 7 and sent to the output amplifier 11 as a superimposed sound as shown in FIG. 2d.
このような場合において、従来は、被検者と検
者は、それぞれ同一出力アンプ１１からそれぞれ
検者用イヤホン１２と被検者用イヤホン１３を介
して同一重畳音を聴いていた。 In such a case, conventionally, the subject and the examiner listened to the same superimposed sound from the same output amplifier 11 through the examiner's earphone 12 and the examinee's earphone 13, respectively.
「考案が解決しようとする問題点」
オージオメータではマスカーに検査音を重畳
し、検査音の増加レベルを種々変えて被検者を検
査する。高音に障害のある人、低音に障害のある
人など患者によつて病状は千差万別である。とこ
ろが、検者も同じレベルの音を聴いていると、マ
スカー中のわずかな検査音の変化を聴きとらなけ
ればならなかつたり、正常な検者にとつては異常
に大きな検査音が与えられたりして検者は極めて
疲労してしまうという問題があつた。``Problems that the invention aims to solve'' In an audiometer, a test sound is superimposed on a masker, and the test subject is tested by varying the increase level of the test sound. The medical conditions vary widely depending on the patient, such as those with high-pitched sounds and those with low-pitched sounds. However, if the examiner is also listening to the same level of sound, he or she may have to listen to slight changes in the test sound during the masker, or a normal examiner may be given an abnormally loud test sound. There was a problem in that the examiner became extremely fatigued.
「問題点を解決するための手段」
本考案は上述のような問題点を解決するために
なされたもので、クロツクパルス発生回路のクロ
ツクパルスと同期した断続検査音をマスカーに重
畳して被検者に与えるようにしたオージオメータ
において、前記クロツクパルス発生回路のクロツ
クパルスに同期してモニタ音を発生するモニタ音
発生回路を設けてなるものである。``Means for Solving the Problems'' The present invention was made to solve the above-mentioned problems, and it superimposes intermittent test sounds synchronized with the clock pulses of the clock pulse generation circuit on a masker to sound the test subject. The audiometer is provided with a monitor sound generating circuit that generates a monitor sound in synchronization with the clock pulse of the clock pulse generating circuit.
「作用」
被検者には従来通りマスカーと検査音を重畳し
た重畳音を与える。検者には、検査音の発生して
いる間だけマスカーなしでモニタ音を与え、被検
者の「きこえ」を診断する。モニタ音は、一定レ
ベルの検査音を利用することもできるし、また、
同期さえしていれば検査音の周波数とは異なる一
定の周波数の音とすることもできる。``Effect'' The test subject is given a superimposed sound that is a combination of a masker and a test sound as before. The examiner is given a monitor sound without a masker only while the test sound is being generated to diagnose the subject's "hearing." The monitor sound can be a test sound of a certain level, or
As long as they are synchronized, it is possible to generate a sound with a fixed frequency different from the frequency of the test sound.
「実施例」
以下、本考案の一実施例を図面に基づき説明す
る。"Embodiment" An embodiment of the present invention will be described below with reference to the drawings.
被検者に、検査音とマスカーを重畳してイヤホ
ン１３から与える回路構成は第３図と同様であ
る。 The circuit configuration that superimposes the test sound and the masker and gives them to the subject from the earphone 13 is the same as that shown in FIG. 3.
検者へのモニタ音は、アンプ５または減衰回路
６から検査音を分離し、出力アンプ１４で増幅し
て検者用インホン１２にて検者に与える。 The monitor sound for the examiner is obtained by separating the test sound from the amplifier 5 or the attenuation circuit 6, amplifying it with the output amplifier 14, and giving it to the examiner through the examiner's inphone 12.
このような構成とすることにより、検者にはマ
スカーの重畳されていない検査音だけによるモニ
タ音が与えられる。 With this configuration, the examiner is provided with a monitor sound consisting only of the test sound without any masker superimposed thereon.
この例では検査音がモニタ音として与えられる
ため、検査音の周波数を変化させると、モニタ音
も変化する。しかし、モニタ音は検査音の発生時
期を確認できれば足りるので、第１図の鎖線のよ
うに常時同一周波数の信号を発生するモニタ音用
発振回路１５を挿入し、検査音と同期し、かつ同
一時間巾で発生せしめるようにしてもよい。 In this example, the test sound is given as a monitor sound, so if the frequency of the test sound is changed, the monitor sound also changes. However, since it is sufficient to use the monitor sound as long as it is possible to confirm when the test sound is generated, a monitor sound oscillator circuit 15 that always generates a signal of the same frequency as shown by the chain line in Fig. 1 is inserted to synchronize with the test sound and to make it It may be made to occur over a period of time.
「考案の効果」
本考案は上述のように構成したので、従来のよ
うに検者はマスカーに重畳された検査音を聴きと
ろうとしなくとも適正なレベルのモニタ音だけを
聴くだけでよく、長時間の検査による疲労がな
い。しかも、重畳音の聴きとりミスもなく正確な
診断資料が得られる。"Effects of the invention" Since the present invention is configured as described above, the examiner does not have to try to hear the test sound superimposed on the masker as in the past, but only needs to listen to the monitor sound at an appropriate level. There is no fatigue due to long examinations. Furthermore, accurate diagnostic data can be obtained without making mistakes in listening to superimposed sounds.
第１図は本考案によるオージオメータの検査音
モニタ装置の一実施例を示すブロツク図、第２図
はクロツクパルス、検査音、マスカー音、重畳音
の波形図、第３図は従来のオージオメータのブロ
ツク図である。
１……クロツクパルス発生回路、２……持続時
間設定回路、３……ゲート回路、４……純音発振
回路、５……アンプ、６……減衰回路、７……ミ
クサ、８……マスカー発振回路、９……アンプ、
１０……減衰回路、１１……出力アンプ、１２…
…検者用イヤホン、１３……被検者用イヤホン、
１４……出力アンプ、１５……モニタ音発振回
路。
Fig. 1 is a block diagram showing an embodiment of the test sound monitoring device for an audiometer according to the present invention, Fig. 2 is a waveform diagram of a clock pulse, test sound, masker sound, and superimposed sound, and Fig. 3 is a waveform diagram of a conventional audiometer. It is a block diagram. 1... Clock pulse generation circuit, 2... Duration setting circuit, 3... Gate circuit, 4... Pure tone oscillation circuit, 5... Amplifier, 6... Attenuation circuit, 7... Mixer, 8... Masker oscillation circuit. , 9...amplifier,
10... Attenuation circuit, 11... Output amplifier, 12...
...Earphones for examiner, 13...Earphones for patient,
14...Output amplifier, 15...Monitor sound oscillation circuit.
Claims (1)
同期した断続検査音をマスカーに重畳して被検
者に与えるようにしたオージオメータにおい
て、前記クロツクパルス発生回路のクロツクパ
ルスに同期してモニタ音を発生するモニタ音発
生回路を設けてなることを特徴とするオージオ
メータの検査音モニタ装置。 (2) モニタ音発生回路は常時同一周波数の音を発
生するものからなる実用新案登録請求の範囲第
１項記載のオージオメータの検査音モニタ装
置。 (3) モニタ音発生回路は検査音用純音発振回路を
兼用してなる実用新案登録請求の範囲第１項記
載のオージオメータの検査音モニタ装置。[Claims for Utility Model Registration] (1) In an audiometer that superimposes an intermittent test sound synchronized with the clock pulse of a clock pulse generation circuit on a masker and gives it to the examinee, A test sound monitoring device for an audiometer, comprising a monitor sound generation circuit that generates a monitor sound. (2) The test sound monitoring device for an audiometer according to claim 1, wherein the monitor sound generating circuit always generates a sound of the same frequency. (3) The test sound monitoring device for an audiometer according to claim 1, wherein the monitor sound generating circuit also serves as a pure tone oscillation circuit for test sounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12655987U JPH0347604Y2 (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12655987U JPH0347604Y2 (en) | 1987-08-20 | 1987-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6431710U JPS6431710U (en) | 1989-02-27 |
| JPH0347604Y2 true JPH0347604Y2 (en) | 1991-10-11 |
Family
ID=31378193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12655987U Expired JPH0347604Y2 (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0347604Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2542966Y2 (en) * | 1991-11-26 | 1997-07-30 | 松下電工株式会社 | unit bus |
-
1987
- 1987-08-20 JP JP12655987U patent/JPH0347604Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6431710U (en) | 1989-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wilson et al. | Acoustic correlates of tonal tinnitus | |
| US5372142A (en) | Cochlear response audiometer | |
| JPH0141331B2 (en) | ||
| EP1463444B1 (en) | Apparatus for treatment of mono-frequency tinnitus | |
| US6206821B1 (en) | Device for generating, recording and reproducing brain wave sound and fetal vital sound for a woman and her fetus | |
| Morgan et al. | Suggested threshold sound pressure levels for frequency modulated (warble) tones in the sound field | |
| US4784115A (en) | Anti-stuttering device and method | |
| US4515169A (en) | Differential latency audiometer | |
| JPH0347604Y2 (en) | ||
| Garber et al. | The effects of feedback filtering on nasalization in normal and hypernasal speakers | |
| Dahlin et al. | Bone‐conduction thresholds of human teeth | |
| Hazell | A tinnitus synthesizer physiological considerations | |
| Schwartz et al. | Spectral characteristics of air and bone conduction transducers used to record the auditory brain stem response | |
| Cranford | Auditory masking-level differences in the cat. | |
| Dolan et al. | Stethoscopes: Real-ear measurements and digital frequency transposition | |
| Hall et al. | Acoustic reflexes and auditory evoked responses in hearing aid evaluation | |
| Young et al. | XIV Frequency Modulated Tone Thresholds in Normal and Abnormally Adapting Ears | |
| Walford | A classification of environmental “hums” and low frequency tinnitus | |
| BERGMAN | The FIT test: Monaural threshold finding through binaural fusion | |
| Staab | Comparison of pure-tone and warble-tone thresholds | |
| White et al. | The absence of effects of atarax on auditory fatigue | |
| Larrea | The lower limit of pitch perception for pure tones and low-frequency complex sounds | |
| SU1173982A1 (en) | Method of diagnosis of asymmetry of loudness function in case of hypoacusis | |
| Harris | Short‐Duration Effects in Auditory Fatigue | |
| Hall III et al. | Encoding and pitch strength of complex tones |