JPS6099000U - Sound field measurement device - Google Patents
Sound field measurement deviceInfo
- Publication number
- JPS6099000U JPS6099000U JP18859083U JP18859083U JPS6099000U JP S6099000 U JPS6099000 U JP S6099000U JP 18859083 U JP18859083 U JP 18859083U JP 18859083 U JP18859083 U JP 18859083U JP S6099000 U JPS6099000 U JP S6099000U
- Authority
- JP
- Japan
- Prior art keywords
- sound field
- measurement device
- field measurement
- frequency characteristic
- utility
- 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.)
- Pending
Links
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の音場測定装置のブロック図、第2図は本
考案の音場測定装置の一実施例のブロック図、第3図は
本考案の音場測定装置の他の実施例のブロック図である
。
10・・・従来の音場測定装置、11・・・ノイズ発生
器、12・・・グラフィックイコライザ、13・・・ス
ペクトラムアナライザ、14・・・マイクロホン増幅器
、15・・・標準スピーカ、16・・・増幅器、17・
・・被測定スピーカ、20・・・本考案の音場測定装置
、21・・・スピーカ装置、22・・・スピーカ、23
・・・増幅器、24・・・等化フィルタ、25・・・簡
易型マイクロホン、30・・・本考案の音場測定装置、
31・・・ステレオ用グラフィックイコライザ、32・
・・右チヤンネル用グラフィックイコライザ(EQR)
、s 3・・・左チヤンネル用グラフィックイコライザ
(EQ、、)。Fig. 1 is a block diagram of a conventional sound field measuring device, Fig. 2 is a block diagram of an embodiment of the sound field measuring device of the present invention, and Fig. 3 is a block diagram of another embodiment of the sound field measuring device of the present invention. It is a block diagram. DESCRIPTION OF SYMBOLS 10... Conventional sound field measuring device, 11... Noise generator, 12... Graphic equalizer, 13... Spectrum analyzer, 14... Microphone amplifier, 15... Standard speaker, 16...・Amplifier, 17・
...Speaker to be measured, 20...Sound field measuring device of the present invention, 21...Speaker device, 22...Speaker, 23
... amplifier, 24 ... equalization filter, 25 ... simple microphone, 30 ... sound field measurement device of the present invention,
31... Stereo graphic equalizer, 32...
・Graphic equalizer (EQR) for right channel
, s 3...Graphic equalizer (EQ, , ) for the left channel.
Claims (3)
て平坦な周波数特性のノイズを出力するスピーカ装置と
、外部マイクロホン及び被測定スピーカの周波数特性を
補正する周波数特性補正手段と、スペクトラムアナライ
ザを備えたことを特徴とする音場測定装置。(1) A noise generator, a speaker device that receives the output of the noise generator and outputs noise with a flat frequency characteristic, a frequency characteristic correction means that corrects the frequency characteristics of the external microphone and the speaker under test, and a spectrum analyzer. A sound field measuring device comprising:
ザであることを特徴とする実用新案登録請求の範囲第1
項記載の音場測定装置。(2) Utility model registration claim 1, characterized in that the frequency characteristic correction means is a graphic equalizer.
Sound field measurement device as described in section.
グラフィックイコライザの一方のチャンネルを外部マイ
クロホンの周波数特性補正用に、他方のチャンネルを被
測定スピーカの周波数特性補正用に用いるよう構成した
ことを特徴とする実用新案登録請求の範囲第1項、第2
項記載の音場測定装置。(3) The frequency characteristic correction means is characterized in that one channel of a stereo graphic equalizer is used for correcting the frequency characteristics of an external microphone, and the other channel is used for correcting the frequency characteristics of the speaker under test. Scope of claims for utility model registration, paragraphs 1 and 2
Sound field measurement device as described in section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18859083U JPS6099000U (en) | 1983-12-09 | 1983-12-09 | Sound field measurement device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18859083U JPS6099000U (en) | 1983-12-09 | 1983-12-09 | Sound field measurement device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6099000U true JPS6099000U (en) | 1985-07-05 |
Family
ID=30406808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18859083U Pending JPS6099000U (en) | 1983-12-09 | 1983-12-09 | Sound field measurement device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6099000U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6260399A (en) * | 1985-09-10 | 1987-03-17 | Canon Inc | Audio signal transmission system |
-
1983
- 1983-12-09 JP JP18859083U patent/JPS6099000U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6260399A (en) * | 1985-09-10 | 1987-03-17 | Canon Inc | Audio signal transmission system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108174320A (en) | A kind of adaptive duct active noise reduction earphone and adaptive duct active denoising method | |
JPS6099000U (en) | Sound field measurement device | |
JPS61186010A (en) | Voice amplifier | |
JPS58129800U (en) | Speaker inspection device | |
JP2567660B2 (en) | Pickup microphone circuit for bone conduction audio signals | |
JPS60179824U (en) | Acoustic characteristics measuring device | |
JPS5917700U (en) | Hearing aid level setting device | |
JPS6143358Y2 (en) | ||
JPS5930200U (en) | Acoustic vibration transmission device | |
JPS58144989U (en) | audio equipment | |
JPS5936309U (en) | Stethoscope | |
JPS6089057U (en) | Automobile seat equipment | |
JPS58132500U (en) | Speaker minimum resonance frequency measuring device | |
JPS58172293U (en) | Headphone amplifier | |
JPS6082900U (en) | sound reproduction device | |
JPS5830392U (en) | headphone drive device | |
JPS5994452U (en) | Audio equipment with attached equipment | |
JPS5939576U (en) | Improvements in the audio equipment of television receivers | |
JPS6114524U (en) | Vehicle audio equipment | |
JPS58144611U (en) | Automotive audio device equipped with external sound listening circuit | |
JPS60135790U (en) | level display device | |
JPS5936613U (en) | Constant output device in amplifier circuits | |
JPS60104900U (en) | Audio band display device | |
JPS60127607U (en) | equalizer device | |
JPS58176488U (en) | sound reproduction device |