JPS6411100U - - Google Patents
Info
- Publication number
- JPS6411100U JPS6411100U JP10519487U JP10519487U JPS6411100U JP S6411100 U JPS6411100 U JP S6411100U JP 10519487 U JP10519487 U JP 10519487U JP 10519487 U JP10519487 U JP 10519487U JP S6411100 U JPS6411100 U JP S6411100U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- signal
- standard
- measurement
- measures
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図及び第２図はこの考案に係るスピーカー
測定装置の実施例を示し、第１図は測定用ブロツ
ク図、第２図はスピーカーと測定のための標準マ
イクロホンの設置位置を表わした配置図である。
第３図は、従来のスピーカー測定用ブロツク図で
ある。
１：標準信号発生器、２：増巾器、３：試験の
ためのスピーカー、４：スピーカ・ユニツト、５
：標準マイクロホン、６：無響室、７：マイク・
アンプ、８：Ａ／Ｄコンバータ、９：コンピユー
タ、１０：デイスプレイー、１１：プリンター、
１２：差動アンプ。
Figures 1 and 2 show an embodiment of the speaker measuring device according to this invention. Figure 1 is a block diagram for measurement, and Figure 2 is a layout diagram showing the installation positions of speakers and standard microphones for measurement. It is.
FIG. 3 is a block diagram for conventional speaker measurement. 1: Standard signal generator, 2: Amplifier, 3: Speaker for testing, 4: Speaker unit, 5
: Standard microphone, 6: Anechoic chamber, 7: Microphone
Amplifier, 8: A/D converter, 9: Computer, 10: Display, 11: Printer,
12: Differential amplifier.
Claims (1)
験用のスピーカーと標準マイクロホンを設置し、
標準信号をスピーカーに供給し、スピーカーから
発生する音圧レベルを測定する装置において、 同じ特性の標準マイクロホンを２本設置して測
定する測定手段と、 この２本の標準マイクロホンの出力信号を差動
アンプに供給して、差信号を求める差動増巾手段
と、 アナログ信号をデジタル信号に変換し、コンピ
ユータによつて測定データを解析する手段と、 を備えたことを特徴とするスピーカー測定装置。[Scope of claim for utility model registration] In order to measure the electrical performance of a speaker, a test speaker and a standard microphone were installed in an anechoic chamber.
In a device that supplies a standard signal to a speaker and measures the sound pressure level generated from the speaker, there is a measurement means that installs and measures two standard microphones with the same characteristics, and a differential signal that outputs the output signals of these two standard microphones. A speaker measurement device comprising: differential amplification means for obtaining a difference signal by supplying the signal to an amplifier; and means for converting an analog signal into a digital signal and analyzing the measurement data using a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10519487U JPH0810000Y2 (en) | 1987-07-10 | 1987-07-10 | Speaker measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10519487U JPH0810000Y2 (en) | 1987-07-10 | 1987-07-10 | Speaker measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6411100U true JPS6411100U (en) | 1989-01-20 |
| JPH0810000Y2 JPH0810000Y2 (en) | 1996-03-21 |
Family
ID=31337586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10519487U Expired - Lifetime JPH0810000Y2 (en) | 1987-07-10 | 1987-07-10 | Speaker measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810000Y2 (en) |
-
1987
- 1987-07-10 JP JP10519487U patent/JPH0810000Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810000Y2 (en) | 1996-03-21 |
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