KR100870059B1 - 러프니스사운드 측정시스템 및 이를 이용한 측정방법 - Google Patents
러프니스사운드 측정시스템 및 이를 이용한 측정방법 Download PDFInfo
- Publication number
- KR100870059B1 KR100870059B1 KR1020020011374A KR20020011374A KR100870059B1 KR 100870059 B1 KR100870059 B1 KR 100870059B1 KR 1020020011374 A KR1020020011374 A KR 1020020011374A KR 20020011374 A KR20020011374 A KR 20020011374A KR 100870059 B1 KR100870059 B1 KR 100870059B1
- Authority
- KR
- South Korea
- Prior art keywords
- roughness
- sound
- frequency band
- signal
- frequency
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
- G01D1/02—Measuring arrangements giving results other than momentary value of variable, of general application giving mean values, e.g. root means square values
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
- G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
- G10K1/064—Operating or striking mechanisms therefor
- G10K1/0645—Operating or striking mechanisms therefor provided with loudness adjustment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
- H04R27/02—Amplifying systems for the deaf
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Data Mining & Analysis (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (3)
- a) 입력되는 음향 신호를 일정한 주파수 대역별로 분리하고, 라우드니스를 검출하는 단계;b) 상기 주파수 대역별로 분리된 음향 신호를 역푸리에 변환을 통해 주파수 도메인을 시간 도메인으로 변환시키는 단계;c) 상기 시간 도메인의 음향 신호에서 직류 성분을 제거하는 단계;d) 상기 직류 성분이 제거된 음향 신호를 주파수 도메인으로 변환시키고, 효과적 변조도를 검출하는 단계;e) 상기 효과적 변조도를 검출한 다음, 각각의 주파수 대역별로 소정의 가중치를 부여하는 단계; 및f) 상기 가중치가 부과된 각 주파수 대역에 따른 화이트 노이즈를 제거하고, 상기 화이트 노이즈가 제거된 음향 신호를 적분하여 러프니스를 산출하는 단계를 포함하는 것을 특징으로 하는 러프니스 사운드 측정 방법.
- 제 1 항에 있어서,상기 효과적 변조도는 직류성분의 평균값에 대한 직류성분이 제거된 후의 교류성분의 첨두치(rms)값의 비인 것을 특징으로 하는 러프니스사운드 측정방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020011374A KR100870059B1 (ko) | 2002-03-04 | 2002-03-04 | 러프니스사운드 측정시스템 및 이를 이용한 측정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020011374A KR100870059B1 (ko) | 2002-03-04 | 2002-03-04 | 러프니스사운드 측정시스템 및 이를 이용한 측정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030072505A KR20030072505A (ko) | 2003-09-15 |
KR100870059B1 true KR100870059B1 (ko) | 2008-11-24 |
Family
ID=32223322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020011374A KR100870059B1 (ko) | 2002-03-04 | 2002-03-04 | 러프니스사운드 측정시스템 및 이를 이용한 측정방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100870059B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112595221B (zh) * | 2020-12-10 | 2022-10-21 | 煌太阳科技有限公司 | 一种电动助力蜗杆表面粗糙度的检测方法 |
CN114046999A (zh) * | 2021-09-28 | 2022-02-15 | 上海汽车制动系统有限公司 | 一种用于电子制动器的心理声学分析方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09305195A (ja) * | 1996-05-13 | 1997-11-28 | Omron Corp | 音声認識装置および音声認識方法 |
JPH09305200A (ja) * | 1996-05-10 | 1997-11-28 | Olympus Optical Co Ltd | 音声記録装置 |
JPH1082693A (ja) * | 1996-09-05 | 1998-03-31 | Kayaba Ind Co Ltd | 音色評価装置 |
US5805457A (en) * | 1996-12-06 | 1998-09-08 | Sanders; David L. | System for analyzing sound quality in automobiles using musical intervals |
-
2002
- 2002-03-04 KR KR1020020011374A patent/KR100870059B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09305200A (ja) * | 1996-05-10 | 1997-11-28 | Olympus Optical Co Ltd | 音声記録装置 |
JPH09305195A (ja) * | 1996-05-13 | 1997-11-28 | Omron Corp | 音声認識装置および音声認識方法 |
JPH1082693A (ja) * | 1996-09-05 | 1998-03-31 | Kayaba Ind Co Ltd | 音色評価装置 |
US5805457A (en) * | 1996-12-06 | 1998-09-08 | Sanders; David L. | System for analyzing sound quality in automobiles using musical intervals |
Also Published As
Publication number | Publication date |
---|---|
KR20030072505A (ko) | 2003-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2249337B1 (en) | Acoustic device | |
US9674593B2 (en) | Loudspeaker controller | |
KR101164937B1 (ko) | 오디오 신호의 인식된 라우드니스를 계산 및 조정하는방법, 장치 및 컴퓨터 프로그램 | |
US8638962B2 (en) | Method to reduce feedback in hearing aids | |
JP6420353B2 (ja) | 周波数依存的減衰段をチューニングするための装置及び方法 | |
US20140140522A1 (en) | Estimating nonlinear distortion and parameter tuning for boosting sound | |
US9986352B2 (en) | Acoustic processing device, acoustic processing method, and acoustic processing program | |
JP2010211190A (ja) | バックグラウンドノイズ推定 | |
WO2004086362A1 (ja) | 音声信号雑音除去装置、音声信号雑音除去方法及びプログラム | |
Katalin | Studying noise measurement and analysis | |
US7089176B2 (en) | Method and system for increasing audio perceptual tone alerts | |
EP1629691A1 (en) | Oscillation suppression | |
JP2009296298A (ja) | 音声信号処理装置および方法 | |
KR100870059B1 (ko) | 러프니스사운드 측정시스템 및 이를 이용한 측정방법 | |
CN110942781A (zh) | 声音处理方法及声音处理设备 | |
US20130177170A1 (en) | Intelligent method and apparatus for spectral expansion of an input signal | |
US20190000392A1 (en) | Electronic Blood Pressure Monitor, Blood Pressure Measuring Method, and Electronic Stethoscope | |
JP3146691B2 (ja) | 音色評価方法及びその装置 | |
KR101071066B1 (ko) | 전기설비용 소음측정장치 | |
RU2274868C2 (ru) | Способ и устройство для оценки и индикации искажений выходного сигнала усилителей звуковой частоты (индикация перегрузки) | |
JP2001165766A (ja) | 非定常騒音のラウドネス評価装置 | |
KR101942044B1 (ko) | 다이나믹 부스트 오디오 신호 처리 장치 및 방법 | |
JP2011035573A (ja) | 音信号処理装置および音信号処理方法 | |
JP6531418B2 (ja) | 信号処理装置 | |
Tate | Acoustics |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120817 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20130926 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20140818 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20150911 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170911 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20191024 Year of fee payment: 12 |