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GB/T 12060.7-2013 English PDF

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GB/T 12060.7-2013: Sound system equipment -- Part 7: Methods of measurement on headphones and earphones
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12060.7-2013	909	Add to Cart	7 days	Sound system equipment -- Part 7: Methods of measurement on headphones and earphones	Valid

Similar standards

GB/T 25102.7 GB/T 14471 GB/T 25102.13 GB/T 12060.16 GB/T 12060.1 GB/T 12060.4

Basic data

Standard ID: GB/T 12060.7-2013 (GB/T12060.7-2013)
Description (Translated English): Sound system equipment -- Part 7: Methods of measurement on headphones and earphones
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M72
Classification of International Standard: 33.160.10
Word Count Estimation: 41,467
Older Standard (superseded by this standard): GB/T 6832-1986
Quoted Standard: GB/T 156; GB/T 531.1; GB/T 2421.1; GB/T 2900.86-2009; GB/T 3769; GB/T 3785.1; GB/T 6278; GB/T 6881.1; GB/T 7584.1; GB/T 8897.1; GB/T 12060.2; GB/T 12060.11; GB/T 15212; SJ/Z 9140.1; SJ/Z 9150; ISO 4869-3; IEC GUIDE 106; IEC/TR 60959; ITU-T P.58 SERIES P
Adopted Standard: IEC 60268-7-2010, MOD
Regulation (derived from): National Standards Bulletin 2013 No. 27
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the method for measuring headphones and earphones. This standard applies to the human ear and the inner ear using headphones, headset - microphone set (headphones - transmitter group), headphone and headset - microphone set (headse

GB/T 12060.7-2013: Sound system equipment -- Part 7: Methods of measurement on headphones and earphones

---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.
Sound system equipment Part 7. Methods of measurement on headphones and earphones ICS 33.160.10 M72 National Standards of People's Republic of China Replacing GB/T 6832-1986 Sound system equipment Part 7. Headphones and earphones measurement methods Part 7. Methodsofmeasurementonheadphonesandearphones (IEC 60268-7.2010, MOD) Issued on. 2013-12-31 2014-07-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 General provisions 4 4.1 classification, nomenclature, code 4 4.2 terminals, controllers, and polarity mark 7 5 specification conditions and measurement conditions 7 5.1 rated conditions 7 5.2 standard measurement conditions 7 5.3 coupling cavity and ear simulator 8 5.4 analog program signal measurement conditions 8 5.5 Loudness comparison condition 9 5.6 ear canal SPL measurement conditions 9 6 characteristics explain its measurement 9 6.1 Power 9 6.2 Electrical Impedance 10 6.3 Input voltage 10 6.4 Input Power 13 6.5 Sound pressure (level) 13 6.6 Frequency response 14 6.7 magnitude nonlinear 18 19 6.8 Rated climatic conditions 6.9 external electric and/or magnetic field 19 6.10 undesired sound radiation 20 6.11 Sound Attenuation 20 Over 6.12 crosstalk attenuation channel headphone 20 6.13 nominal clamping force 21 6.14 physical properties, wire and connectors 21 Category 7 properties 21 Appendix A (normative) headphones and earphones measurement pinna simulator 23 Appendix B (normative) for the microphone in the ear canal and Conditions of Use 31 Implementing Regulations Appendix C (informative) relatively free field conditions 32 Annex D (informative) Comparison of diffusion field conditions Implementing Rules 33 Implementing Regulations Appendix E (informative) Comparison of subjective conditions and conditions of the ear canal SPL 34 References 35 Figure 1 and the different types of headsets and ear and/or ear canal entrance horizontal sectional schematic view of spatial relationships 5 Figure 2 illustrates four possible structure. The sound of an open or closed-end sound, and after the closed-end or open-end 6 Measuring analog program signal in Fig. 3 a schematic view 8 Figure A.1 Recommended pinna simulator shape 23 Figure A.2 Recommended pinna simulator coordinate 24 Figure A.3 Recommended pinna simulator sectional shape and size (horizontal cross section) 25 Figure A.4 recommended pinna simulator sectional shape and size (vertical cross section) 28 Table 1. Features 21 Categories

Foreword

GB/T 12060 "Sound system equipment" is divided into several parts. --- Part 1. General; --- Part 2. General method of calculation and interpretation of the term; --- Part 3. audio amplifier measurement methods; --- Part 4. Methods of measurement microphones; --- Part 5. Methods for measuring performance main speaker; --- Part 6. Auxiliary passive components; --- Part 7. Headphones and earphones measurement methods; --- Part 8. AGC device; --- Part 9. Artificial reverberation, time delay and frequency shift measurement means; --- Part 10. Peak program level meters; --- Part 11. Sound system equipment connectors for the interconnection of the application; --- Part 12. Radio and with similar sound system connected applications; --- Part 13. speaker listening tests; --- Part 14. Circular and oval speaker, shape and installation dimensions; --- Part 16. the speech transmission index (STI) objective assessment of the level of speech intelligibility; --- Part 17. Standard volume tables; --- Part 18. Peak program level meters - Digital audio peak level meter. This section GB/T 12060 Part 7. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 6832-1986 "headphone measurement method", compared with the GB/T 6832-1986 The main changes are as follows. --- Increased Chapter 1, "" and Chapter 2, "Normative references", Chapter 4, "General Provisions"; --- With Chapter 3, "Terms and definitions" instead of GB/T 6832-1986 "terminological interpretation"; --- Remove the GB/T 6832-1986 Chapter 3, "The main measuring instruments and requirements"; --- Increased Chapter 5, "govern the terms and conditions of measurement", 6.1 "Power", 6.2.3 "Nominal source impedance," 6.3.1 "rated source emf" 6.3.2 "limits the input voltage"; --- Remove the GB/T 4.4 "maximum noise voltage" of 6832-1986, 4.5 "maximum sinusoidal voltage" 4.6 "maximum noise power" 4.7 "pure tone detection listen"; --- 6.3.4 adds "analog program signal characteristic voltage" 6.3.5 "In A-weighted free-field response characteristics and simulation compensation correction section Head voltage signal characteristics, "6.3.6" protection ", 6.4" input power ", 6.5" sound pressure (level), "6.6.4" diffuse field frequency response comparison Should ", 6.6.5" free-field and diffuse-field frequency response of the ear canal SPL "6.7.4" difference frequency distortion ", 6.8" rated climate conditions " 6.14 "physical characteristics, wires and connectors," Chapter 7, "properties category"; --- Remove the GB/T 6832-1986 4.10 "characteristic sound pressure level (sensitivity)"; --- Remove the GB/T 6832-1986 Appendix A, Appendix B, Appendix C, Appendix D; --- Added Appendix A "headphones and earphones measurement pinna simulator," Appendix B "for the use of the microphone in the ear canal Regulation Fan and conditions ", Appendix C" Rules for the Implementation of the free-field comparison condition, "Appendix D" Rules "relatively diffuse field conditions attached Catalog E "Rules for the Implementation of subjective conditions and compare the ear canal SPL conditions"; --- Added "References." This section uses redrafted law revision using IEC 60268-7.2010 "Sound system equipment - Part 7. Headphones and earphones." This part of IEC 60268-7.2010 compared to some adjustments in the structure of this section IEC 60268-7.2010, Chapter 4, Chapter 5 together And to Chapter 4, "General Provisions", delete the IEC 60268-7.2010 in Chapter 6, "User Information." Therefore, this section from Chapter 5 start Numbered IEC 60268-7.2010 Chapter number minus 2. For example, IEC 60268-7.2010 7.1 file in this section are numbered 5.1. Technical differences exist compared to 2010, the terms of these differences has been involved through its outer margins. This portion of the IEC 60268-7 Vertical single-line position (|) were marked. Technical differences and their reasons are as follows. --- In 3.7,3.8 and 3.9, according to ITU-TP.57 part, an increase of earbud headphones, ear-type headphones and ear concha Dimensions of headsets, and gives detailed information and earphones coupled to the ear. Related topics added More clearly defined. This part of IEC 60268-7.2010 made the following editorial changes. --- Modify the IEC 60268-7.2010 number some errors; --- Modify the IEC 60268-7.2010 is missing in several content; --- Remove the IEC 60268-7.2010 in Chapter 6, "User Information." Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This part is proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part of the National Audio, video and multimedia systems and equipment Standardization Technical Committee (SAC/TC242) centralized. This part mainly drafted by. Nanjing University, Fuji Industrial Holdings Co. name (Dongguan) Electronics Co., Goertek shares Limited copies. The main drafters of this section. Shen Yong, Liu Wan there, Jiang Chao, Lu Feng. This part of the standard replaces the previous editions are. --- GB/T 6832-1986. Sound system equipment Part 7. Headphones and earphones measurement methods

1 Scope

GB/T 12060 provisions of this part of the headphones and measurement methods headphones. This section applies to the human ear and the inner ear using headphones, headphones - microphone set (headset - microphone group), and headset Headset - microphone set (headset - microphone group). This section also applies to the assembly of a complete headphone system are necessary, for example, before Amplifier, passive network and power supply. This section does not relate to. --- Security, which should refer to GB 8898-2011 or other suitable criteria; --- Headset - microphone microphone set of features, which should refer to GB/T 12060.4; --- Hearing aids, headsets and other equipment, which should refer to GB/T 25102.100; --- Audiometric headphones used; --- Active ear headphones and assembly systems (although some provisions may apply).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 156 standard voltage (GB/T 156-2007, IEC 60038.2002, MOD) GB/T 531.1 vulcanized rubber or thermoplastic rubber hardness test pushed Part 1. Shore hardness method (Shore hardness) (GB/T 531.1-2008, ISO 7619-1.2004, IDT) GB/T 2421.1 electric and electronic products environmental testing Overview and Guide (GB/T 2421.1-2008, IEC 60068-1. 1988, IDT) GB/T 2900.86-2009 Electrotechnical terminology acoustic and electro-acoustics (IEC 60050-801.1994, IDT) GB/T 3769 electro-acoustics plotting frequency characteristics and polar diagrams of scale and size (GB/T 3769-2010, IEC 60263. 1982, IDT) GB/T 3785.1 electric acoustic sound level meters - Part 1. Specification (GB/T 3785.1-2010, IEC 61672-1.2002, IDT) GB/T 6278 Overview analog sound system equipment program signal Determination of sound power levels of noise sources - Precision methods for reverberation rooms (GB/T 6881.1-2002 GB/T 6881.1 sound pressure, ISO 3741.1999, IDT) Subjective method of measurement of sound attenuation (GB/T 7584.1-2004,. GB/T 7584.1 Hearing protectors - Part 1 ISO 4869-1.1990, IDT) GB/T 8897.1 Primary batteries - Part 1. General (GB/T 8897.1-2008, IEC 60086-1.2007, MOD) GB/T 12060.2 Sound system equipment - Part 2. General Explanation of terms and calculation methods (GB/T 12060.2-2011, IEC 60268-2. 1987, IDT) GB/T 12060.11 Sound system equipment - Part 11. Sound system equipment connectors for the interconnection of applications (GB/T 12060.11- 2012, IEC 60268-11. 1987, NEQ) ......

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Question 1: How long will the true-PDF of GB/T 12060.7-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12060.7-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12060.7-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12060.7-2013_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.