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JJF 1034-2020 English PDF

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Upon your order, we will start to translate JJF 1034-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 8 ~ 12 working days. The lengthier the document the longer the lead time.

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Q: Should I purchase the latest version JJF 1034-2020?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1034-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$2899.00 · In stock
Delivery: <= 12 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1034-2020: Terms and Definitions for Acoustical Metrology
Status: Valid

JJF 1034: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1034-2020	2899	Add to Cart	12 days	Terms and Definitions for Acoustical Metrology	Valid
JJF 1034-2005	RFQ	ASK	8 days	Metrological terms and their definitions for acoustics	Obsolete
JJF 1034-1992	599	Add to Cart	4 days	Metrological Terms for Acoustics	Obsolete

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJG 1190 JJF 2012 JJG 1034

Basic data

Standard ID: JJF 1034-2020 (JJF1034-2020)
Description (Translated English): Terms and Definitions for Acoustical Metrology
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Word Count Estimation: 126,189
Date of Issue: 2020-09-11
Date of Implementation: 2021-03-11
Older Standard (superseded by this standard): JJF 1034-2005
Regulation (derived from): Announcement No. 40 (2020) of the State Administration for Market Regulation
Issuing agency(ies): State Administration for Market Regulation

JJF 1034-2020: Terms and Definitions for Acoustical Metrology

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Terms and Definitions for Acoustical Metrology National Metrology Technical Specifications of the People's Republic of China Acoustic measurement terms and definitions 2020-09-11 released 2021-03-11 implementation Issued by the State Administration for Market Regulation Acoustic measurement terms and definitions Replace JJF 1034-2005 Focal point. National Technical Committee of Acoustics Measurement Drafting unit. China Academy of Testing Technology Hunan Sound Instrument Measurement and Control Technology Co., Ltd. Shenzhen Institute of Metrology and Quality Inspection China Institute of Metrology China Academy of Building Research Co., Ltd. Shanghai Institute of Metrology and Testing Technology This specification entrusts the National Acoustics Metrology Technical Committee to be responsible for interpretation Drafters of this specification. Pu Zhiqiang (China Academy of Testing Technology) Liu Xiangheng (Hunan Sound Instrument Measurement and Control Technology Co., Ltd.) Zhang Guoqing (Shenzhen Institute of Metrology and Quality Inspection) Zhong Bo (China Institute of Metrology) Yan Guojun (China Academy of Building Research Co., Ltd.) Tao He (China Academy of Testing Technology) Sun Lei (China Academy of Testing Technology) An Zhaoliang (Shanghai Institute of Metrology and Testing Technology)

Introduction (Ⅱ) 1 scope (1) 2 Reference documents (1) 3 General terms (2) 4 Electroacoustic (19) 5 Water sound (37) 6 Ultrasound and infrasound (41) 7 Listening (51) 8 Building Acoustics and Noise (57) 9 Speech Acoustics and Music Acoustics(70) 10 Measurement methods and experimental conditions (76) Appendix A Commonly used symbols and abbreviations for acoustic measurement (80) Chinese Pinyin Index (88) English Correspondence Index (99)

Introduction

This specification is based on JJF 1071-2010 "Rules for the Compilation of National Metrology Standards and Specifications" and GB/T.20001.1- 2001 "Standard Preparation Rules Part 1.Terminology" given rules and formatting. This specification replaces JJF 1034-2005 "Acoustic Metrology Terms and Definitions". Compared with JJF 1034-2005, the main technical changes are as follows. ---Deleted sound [wave], longitudinal wave, transverse wave, free traveling wave, plane wave, cylindrical wave, spherical wave, wave front (Wavefront), spectrum (spectrum), line spectrum, continuous spectrum, spectral density, power spectral density, A [weighting] sound [pressure] level, Equivalent [continuous A weighting] sound [pressure] level, main axis, harmonics, narrowband noise, nominal frequency, digital audio frequency, sampling Sample frequency, folding frequency, in-band frequency, upper-band frequency, out-of-band frequency, rise time, fall time, sound Process, octave, cent, note, rhythm, chromatic scale, transducer, passive transducer, active transducer, linear transducer, Reversible transducer, reciprocal transducer, transmitter, receiver, loudspeaker, reciprocal calibrator, underwater acoustic probe and A total of 45 items for comparison and calibration; ---Modified acoustic measurement, sound field, free field, diffusion [sound] field, sound velocity, particle displacement, particle velocity, 115 items including static pressure, sound pressure, sound intensity [degree], frequency weighting, time weighting, and level; ---Added subacoustics, audiology, language acoustics, music acoustics, architectural acoustics, acoustic measurement, audible sound, 360 items such as environmental noise and self-generated noise; ---Added 195 symbols and abbreviations such as bandwidth indication value, filter attenuation, sound absorption, [channel] crosstalk attenuation, etc.; ---The items are arranged according to the professional classification of acoustic measurement. The previous releases of this specification are as follows. ---JJF 1034-2005 "Acoustic Metrology Terms and Definitions"; ---JJF 1034-1992 "Acoustic Metrology Terms and Definitions". Acoustic measurement terms and definitions

1 Scope

This specification defines the commonly used terms and definitions in acoustic metrology. This specification applies to all work in the field of acoustic measurement, and related fields can also be used for reference.

2 Reference documents

This specification refers to the following documents. GB/T 2900.86-2009 Electrotechnical terms acoustics and electroacoustics GB/T 3767 Acoustic sound pressure method to determine the sound power level and sound energy level of noise sources. Engineering method for the approximate free field above the reflecting surface GB/T 3768 Acoustic sound pressure method to determine the sound power level and sound energy level of noise sources is a simple method using the envelope measurement surface above the reflecting surface GB/T 3785 (all parts) Electroacoustic sound level meter GB/T 3947-1996 Acoustic terms GB/T 4129 Acoustics. Performance and calibration requirements of standard sound sources used for sound power level determination GB/T 12604.1-2005 Non-destructive testing term Ultrasonic testing GB/T 15173 Electroacoustic Sound Calibrator GB/T 17248 (all parts) Noise emitted by acoustic machinery and equipment GB/T 17312 Random Incidence and Diffusion Field Calibration of Sound Level Meter GB/T 20441.1-2010 Electroacoustics measurement microphones Part 1.Laboratory standard microphone specifications GB/T 20441.2-2018 Electroacoustics measurement microphones Part 2.Primary method for the sound pressure calibration of laboratory standard microphones using reciprocity technology GB/T 20441.3 Electroacoustics measurement microphones-Part 3.Primary method for free field calibration of laboratory standard microphones using reciprocity technology GB/T 50121 Evaluation Standard for Building Sound Insulation ISO 532 (all parts) calculation method of acoustic loudness ISO /T R25417.2007 Definition and terminology of basic acoustic quantities IEC 61260-1.2014 Electroacoustic Octave and Fractional Octave Filter Part 1.Specification IEC 61672-1.2013 Electroacoustic Sound Level Meter Part 1.Specification For dated reference documents, only the dated version applies to this specification; for undated reference documents, The latest version (including all amendments) is applicable to this specification. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1034-2020_English be delivered?

Answer: Upon your order, we will start to translate JJF 1034-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 8 ~ 12 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1034-2020_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1034-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JJF 1034-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1034-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.