GB/T 28048-2011 English PDFUS$349.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 28048-2011: Code for acceptance of quality of sound reinforcement system of auditorium gymnasium and stadium Status: Valid
Basic dataStandard ID: GB/T 28048-2011 (GB/T28048-2011)Description (Translated English): Code for acceptance of quality of sound reinforcement system of auditorium gymnasium and stadium Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: M72 Classification of International Standard: 33.160.99 Word Count Estimation: 15,135 Date of Issue: 2011-10-31 Date of Implementation: 2012-02-01 Quoted Standard: GB/T 4959-2011; GB/T 28047-2011; GB 50198-1994; JGJ/T 131-2000 Regulation (derived from): Announcement of Newly Approved National Standards No. 15 of 2011 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 acceptance of quality PA system the basic requirements and methods. This standard applies to halls, stadiums relatively fixed installed sound reinforcement systems engineering quality inspection, other PA systems with fixed installation locations may refer to. GB/T 28048-2011: Code for acceptance of quality of sound reinforcement system of auditorium gymnasium and stadium---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. Code for acceptance of quality of sound reinforcement system of auditorium gymnasium and stadium ICS 33.160.99 M72 National Standards of People's Republic of China Hall, stadium PA system acceptance Issued on. 2011-10-31 2012-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsPreface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 2 PA system acceptance criteria 5 PA System Acceptance organization and responsibilities 4 6 sound system to detect the acoustic characteristics of indicators 4 5 7 PA system construction inspection 8 8 PA system technology acceptance Information reviewed 9 10 10 sound system inspection and rectification conclusions 10ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the national audio, video and multimedia systems and equipment Standardization Technical Committee (TC/SAC242) centralized. This standard is mainly drafted by. Chinese Institute of Electronics Technology Group Corporation, China Entertainment Technology Association, the Beijing Municipal Building located Meter Institute. Participated in the drafting of this standard. in radio and television broadcasting, Film and Television Design and Research Institute, Tongji University, Nanjing University, Chinese Academy of Sciences Institute of Acoustics, China Academy of Building Research, Communication University of China Institute of Acoustics spread, China Symphony Orchestra, the China Audio Industry Association, the Central People Radio, School of Information, Beijing Union University, Institute of Electronics Industry Standardization, the State Sports General Administration of Sports facilities and standard office building, Beijing Hua Technology Co., Ltd. joint body, Beijing Broadcasting radio and television installation company, Beijing days a Openwave Technology Co., Ltd., Beijing Zhongda Yokado Electronic Technology Co., Ltd. The main drafters of this Standard. Code of Yong Zheng, Xu literature, Cui Guang, Liu Fang, Sui Chunli, Zhou Jianhui, Wang Zheng, Chen Jianhua, Chen Huaimin, Luo Xuecong, Wang Jiqing, Shen Yong, Lin Jie, Zhang Bi, Ma Jun, Wang whole, Mencius thick, Luhong Yao, Li Guoqi, Zhu Feng, Qi Qi, Xu Wenhai, tiger Liang Yong, Zou Yuhuan, Lei Ningqiu, Ren Hong Lei, Wang Liansheng, Shen Kai Qing, Zhang Yan. Hall, stadium PA system acceptance1 ScopeThis standard specifies the basic requirements and methods for quality sound reinforcement systems engineering acceptance. This standard applies to the hall, sound reinforcement systems engineering quality acceptance stadiums relatively fixed installation, the other with fixed installation sound system The place can be implemented by reference.2 Normative referencesThe 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 4959-2011 Hall Reinforcement Characteristic Measurement GB/T 28047-2011 hall, stadium PA system listening evaluation method GB 50198-1994 Civil CCTV systems engineering technical specifications JGJ/T 131-2000 Gymnasium acoustic design and measurement procedures3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 Hall auditorium To view and play session for the main use of functional buildings, including theaters, concert halls, opera houses, multi-purpose hall, conference hall. 3.2 Stadiums gymnasiumandstadium Primarily for sports competitions and other activities indoor and outdoor spaces to use. 3.3 PA system soundreinforcementsystem PA system including system devices sound field environment. Main process. the sound source signals into electrical signals, amplified, processed, transmitted Lose, and then restore the sound field environment and services; main components. a microphone, a sound source equipment, mixers, signal processors, audio power Amplifiers and speaker systems. 3.4 Maximum SPL maximumsoundpressurelevel After the completion of the PA system debugging, the steady-state maximum sound pressure level at each measuring point the audience area generated average. The maximum sound pressure level can be used RMS SPL test specified crest factor signal, peak or quasi-peak SPL SPL representation. 3.5 Maximum available gain state maximumavailablegain PA system in the critical state of self-excited acoustic feedback gain minus 6dB of gain time. 3.6 Transmission frequency characteristic transmissionfrequencyresponse PA system in a steady state, the average area of \u200b\u200beach measurement point steady audience of sound pressure with respect to the sound pressure at the microphone sound system Or sound equipment input voltage amplitude frequency response. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 28048-2011_English be delivered?Answer: Upon your order, we will start to translate GB/T 28048-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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