音視和視聽設備檢測

音視和視聽設備檢測項目報價？??解決方案？??檢測周期？??樣品要求？

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GB/T 6565-2015職業分類與代碼

本標準規定了我國職業的分類結構、類別、代碼及說明。本標準適用于按職業分類的各種普查、調查統計及行政管理和國內外信息交流等。

GB/T 9002-2017音頻、視頻和視聽設備及系統詞匯

本標準界定了音頻、視頻和視聽設備及系統范圍內基礎和常用詞匯的中英文名稱及定義，但不包括信號傳輸方面的詞匯。本標準適用于音頻、視頻和視聽設備及系統范圍內基礎和常用詞匯的中英文名稱及定義，其他領域可參照使用。

GB/T 15466-2011應用電視術語

本標準規定了應用電視的術語和定義。本標準適用于應用電視系統和設備的科研、生產、教學和使用等有關領域。

GB/T 26270-2010數字電視接收設備標準測試信號

本標準規定了數字電視接收設備測試用的標準測試信號。本標準適用于我國地面、有線和衛星數字電視廣播接收設備測試。數字電視投影顯示器和投影機用的相應測試信號可參照執行。

GB/T 27936-2011出版物發行術語

本標準界定了出版物發行活動中的術語及其定義，包括出版物發行基礎術語、主體術語、客體術語、交易術語、物流術語、信息術語和財務及管理術語。 本標準適用于出版物發行及相關領域。

GB/T 35784-2017視聽設備 音頻系統小損傷的主觀評價方法

本標準規定了視聽設備中音頻系統的小損傷的主觀評價方法。本標準適用于產生小損傷的音頻系統的評價；其損傷足夠小，不依賴對測試條件的嚴格限制和適當的統計分析不足以覺察。本標準不適用于較大且易覺察的損傷的音頻系統，如果依據本標準將消耗較多時間和精力且得出的結果并不比簡單測試更可信。

GB 50799-2012電子會議系統工程設計規范

本規范適用于電子會議系統工程的新建、擴建和改建的設計。

CY/T 50-2008出版術語

本標準規定了出版領域常用術語和定義。本標準適用于出版領域信息交換等工作。

SJ/T 11180.1-2016音頻和視聽設備 數字音頻部分 音頻特性基本測量方法 第1部分:總則

SJ/T 11180的本部分規定了消費者用、用和個人計算機用的音頻和視聽設備的數字音頻部分的音頻特性的基本測量方法。本部分規定的音頻特性通用測量條件和方法適用于以數字形式處理音頻信息，且音頻帶寬約為采樣頻率一半的系統，例如CD唱機、DAT錄音機、數字放大器、數字聲音廣播接收機和帶數字聲的電視廣播接收機等。本部分規定的測量方法適用于數字入/模擬出和模擬入/數字出的設備，其后的修訂版本將包括數字入/數字出和模擬入/模擬出的測量。本部分不適用于有損壓縮信號和功率放大器。

JGJ 310-2013教育建筑電氣設計規范

本規范適用于新建、擴建和改建的各級各類學校校園電氣總體設計及供教學活動所使用建筑物的電氣設計。

JY/T 0381-2007數字語言學習系統

本標準規定了數字語言學習系統要求、試驗方法、檢驗規則、標志、包裝、運輸、貯存等內容。本標準適用于教學和培訓用數字語言學習系統，作為研究、設計、評價、生產、檢驗、使用、運輸和貯存等方面應予共同遵守的技術依據。

ITU-T T.124-2007通用會議控制研究小組16

This Recommendation provides a high-level framework for conference management and control ofaudiographic and audiovisual terminals and Multipoint Control Units (MCUs). It encompassesGeneric Conference Control (GCC) functions such as conference establishment and termination,managing the roster of nodes participating in a conference, managing the roster of ApplicationProtocol Entities and Application Capabilities within a conference, registry services for use byApplication Protocol Entities, coordination of conference conductorship, as well as othermiscellaneous functions.This Recommendation is defined within the framework of [ITU-T T.120]. Included within thisframework are companion [ITU-T T.122] and [ITU-T T.125], which define the multipoint deliverymechanism used in this Recommendation, and [ITU-T T.123], which specifies the AudiovisualProtocol Stacks for each of the communication networks supported.Figure 1-1 presents an overview of the scope of this Recommendation and its relationship to theother elements of the T.120 framework within a single node.

DIN EN 62514-2011家用網絡多媒體網關.導則(IEC 62514-2010);德文版本EN 62514-2010

The home network gateway device supports and realizes services in such fields as connecting between networks or devices, Audio/Video entertainments, communications, security, and home appliance controls. However, this specification focuses on home multimedia gateway devices, thus it is for media applications processed by gateway devices inside home.

BS EN 61606-1-2009音頻和視聽設備.數字音頻部分.音頻特性的基本測量方法.總則

This part of IEC 61606 is applicable to the basic methods of measurement of the audio characteristics of the digital audio part of audio and audiovisual equipment for all of consumer use, professional use and personal computer.The common measuring conditions and methods, described in this standard, are used for themeasurement of the performance characteristics of equipment having an audio bandwidth equal to approximately one-half of the sampling frequency of a system, where the audio information is processed in the form of digital data. CD players, DAT recorders, digital amplifiers, digital sound broadcast receivers and television broadcast receivers with digital sound are examples.This standard describes test methods for equipment which has digital input with analogue output and analogue input with digital output. Future revisions of this standard will cover digital-in/digital-out and analogue-in/analogue-out tests.This standard does not apply to a lossy compression signal and also does not apply to power amplifiers.NOTE 1 A digital audio system having an analogue input and an analogue output with digital signal processing may have different characteristics from those of a pure analogue audio system due to sampling of the audio signal and performance of incorporated A/D and D/A converters. Measurement methods described in IEC 60268-3 may not give correct results when applied to a digital system.NOTE 2 The methods described are mostly based on sampling frequencies of 32 kHz and higher.NOTE 3 For tests of those systems of digital-in – digital-out, and analogue-in – analogue-out tests, refer to AES17.NOTE 4 This standard is planned to harmonize with the first edition of IEC 61606 (1997)1, AES17 and EIAJ CP-2i50.

BS EN 61606-2-2009音頻和視聽設備.數字音頻部分.音頻特性的基本測量方法.用戶使用

This part of IEC 61606 is applicable to the basic measurement methods of the audio characteristics of the digital audio part of audio and audiovisual equipment for consumer use. The common measuring conditions and methods are described in IEC 61606-1. This International Standard specify conditions and methods of measurement for consumer equipment are given in this standard.

BS EN 61606-3-2008音頻和視聽設備.數字音頻部分.音頻特性的基本測量方法.使用

This part of IEC 61606 is applicable to the basic measurement methods of audio equipmentfor professional use.The definitions, measuring conditions and methods common to both consumer andprofessional equipment are described in the IEC 61606-1.This standard contains details of definitions and measuring conditions and methods applicableto professional equipment which differ from those described in IEC 61606-1.This standard excludes consideration of? measurement of low-quality audio devices,? measurement of low-bit-rate audio devices (‘sub-band’ or ‘perceptual’ coding devices),? measurement of devices which significantly modify time or frequency characteristics of thesignal, such as pitch shifters or reverberators,? measurement of signals from analogue input to analogue output, beyond the most general,? EMC and safety related testing.

BS EN 61606-4-2006音頻和視聽設備.數字音頻部件.音頻特征的基本測量方法.第4部分:個人電腦

This part of IEC 61606 specifies the basic measurement methods of a linear PCM signal for an audio part of personal computers (PCs) and applies to both desktop and portable computers. The common measuring conditions and methods are described in IEC 61606-1.Specific conditions and methods of measurement for PCs are given in this standard.NOTE 1 The methods described are mostly based on sampling frequencies from 8 kHz to 192 kHz and bit lengthfrom 8 bit to 24 bit.NOTE 2 This standard describes tests for equipment which has digital input with analogue output and analogue input with digital output. Digital input data are provided from an internal HDD or other memory media and outputdigital data are recorded to an internal HDD or main memories.NOTE 3 The methods specified in this standard are not applicable to systems incorporating bit-rate reduced digital audio signals that have data loss or to 1-bit signals. This part does not apply to analogue input with analogue output and digital input with digital output as described in IEC 61606-1.NOTE 4 When a CPU in a PC is overloaded by tasks other than those for audio input/output, the PC may fail to record/reproduce the whole audio data. This standard applies only to the measurement in which input/output data are recorded/reproduced without such missing data. The performance of a PC with missing audio data may be evaluated by the short-term distortion measurement although such evaluation is not within the scope of this standard.

BS EN 62379-1-2007網絡化數字音頻和視頻產品的通用控制接口.第1部分:總則

This part of IEC 62379 specifies a control interface for products which convey audio and/orvideo across digital networks.Separate documents specify items specific to a particular type of traffic, a particularnetworking technology, or a particular class of application.