Path: Home > GB/T > Page92 > GB/T 31109-2014

Price & Delivery

US$299.00 · In stock · Download in 9 seconds
GB/T 31109-2014: Method of evaluation for acoustic quality of musical instrument
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 31109-2014	English	299	Add to Cart	3 days [Need to translate]	Method of evaluation for acoustic quality of musical instrument

GB/T 31109-2014: Method of evaluation for acoustic quality of musical instrument

---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.
Method of evaluation for acoustic quality of musical instrument ICS 97.200.20 Y58 National Standards of People's Republic of China Quality Evaluation Method of acoustic instruments Issued on. 2014-09-03 2015-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Stars Principle 2 5 Requirement 2 Item 5 Evaluation 6 7 Evaluation Program 5 Appendix A (informative) scores, statistics and reporting 7

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. 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. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee Instrument (SAC/TC371) centralized. This standard was drafted. Wuhan Eric card Electronics Co., Ltd., Yin-Fei Technology (Jiangsu) Co., Ltd., Guangzhou Pearl River Piano Group shares have Ltd., Beijing Institute of Musical Instruments, Shanghai National Musical Instruments Factory, Wuhan Conservatory of Music. The main drafters. Zhang Jian Tong, Wang Wei, solemn, Fanting Guo, Liang Zhiwei, Wang Guozhen, Pan Qishan, Thomas Chan, Li Jian, Wu Dongliang, Qin Hongwei, Zhou Yun, Gu Jie. Quality Evaluation Method of acoustic instruments

1 Scope

This standard specifies the terms and definitions in the quality of acoustic instruments sound assessment, evaluation principles, requirements, evaluation of projects and evaluation procedures. This standard applies to the acoustic quality of the instrument in the subjective assessment of sound quality. This standard does not apply to the objective detection instruments and sound quality of physical quantities.

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 2900.86-2009 Electrotechnical terminology acoustic and electro-acoustics GB/T 3947-1996 Acoustics Terminology

3 Terms and Definitions

GB/T 2900.86-2009, GB/T 3947-1996 and defined the following terms and definitions apply to this document. 3.1 Clear definitional Pure sound, level, overtone discernible. NOTE. it is the opposite of vague, cloudy. 3.2 Soft melow Voice through song, listening comfort. NOTE. it is the opposite of stiff, harsh. 3.3 Bright bright Plump and powerful tenor, treble full, rich overtones, bright active. NOTE. it is the opposite of dull and boring. 3.4 Plump ful Full sound, thick and elastic. Note. the opposite of its thin, shriveled. 3.5 Mellow smooth Sound beautiful, loose pass, plump and moist, not pointed rough. NOTE. it is the opposite of rough and sharp. 3.6 Balance balanced Volume within instrument range full-range of each zone to coordinate the distribution, unified tone. NOTE. it is the opposite of the imbalance, uneven. ...