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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 44021.4-2024: Audio, video and related equipment - Determination of power consumption - Part 4: Video recording equipment Status: Valid
Basic dataStandard ID: GB/T 44021.4-2024 (GB/T44021.4-2024)Description (Translated English): Audio, video and related equipment - Determination of power consumption - Part 4: Video recording equipment Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: M72 Classification of International Standard: 33.160.10 Word Count Estimation: 18,146 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 44021.4-2024: Audio, video and related equipment - Determination of power consumption - Part 4: Video recording equipment---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. ICS 33:160:10 CCSM72 National Standards of People's Republic of China Power consumption measurement of audio, video and related equipment Part 4: Video recording equipment (IEC 62087-4:2015, IDT) Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 1 4 Operation mode and function description 2 4:1 Overview 2 4:2 Automatic shutdown function 3 5 Measurement conditions 3 5:1 Input Signal 3 5:2 Input Interface 4 5:3 Measurement process 5 References 9ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document is part 4 of GB/T 44021 "Measurement of power consumption of audio, video and related equipment": GB/T 44021 has been published in Lower part: --- Part 1: General; --- Part 2: Test signals and media; --- Part 3: Television sets; --- Part 4: Video recording equipment; --- Part 5: Set-top box (STB); --- Part 6: Audio equipment: This document is equivalent to IEC 62087-4:2015 "Measurement of power consumption of audio, video and related equipment Part 4: Video recording equipment": The following minimal editorial changes were made to this document: --- Added note to 3:1:1: Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China: This document is under the jurisdiction of the National Technical Committee for Standardization of Audio, Video and Multimedia Systems and Equipment (SAC/TC242): This document was drafted by: China Electronics Technology Standardization Institute, Shenzhen CESI Information Technology Co:, Ltd:, China National Certification and Accreditation Service for Conformity Assessment Ke Center, China Inspection Group Southern Testing Co:, Ltd: The main drafters of this document are: Liu Chunsheng, Qi Qi, Long Yue, Fan Kefeng, Xie Binbin and Yang Fan:IntroductionAs important consumer products, audio and video products are widely used in consumers' homes: The power consumption of audio and video and related equipment has become a major concern for consumers: The development of this document provides a practical evaluation method for the power consumption evaluation of audio, video and related equipment, which will help strengthen the consumer product field: It has played a positive role in building the domain standard system and promoting the healthy development of the industry: GB/T 44021 "Measurement of power consumption of audio, video and related equipment" is planned to consist of 6 parts: --- Part 1: General: The purpose is to specify general requirements for power consumption measurements of audio, video and related equipment: --- Part 2: Test signals and media: The purpose is to give the test signals for audio, video and related equipment such as televisions and computer monitors: Signals and media used when measuring power consumption: --- Part 3: Television sets: The purpose is to specify the power consumption measurement and related characteristics of television sets: --- Part 4: Video recording equipment: The purpose is to describe the power consumption measurement method of video recording equipment with removable media and give the power consumption Measurement related various operation modes: --- Part 5: Set-top Box (STB): The purpose is to describe the power consumption measurement method of the set-top box and give various Operation mode: --- Part 6: Audio equipment: The purpose is to describe the power consumption measurement method of audio equipment: Power consumption measurement of audio, video and related equipment Part 4: Video recording equipment1 ScopeThis document describes the power consumption measurement method for video recording devices with removable media and gives various operations related to power consumption measurement: model: This document applies only to equipment that can be connected to a mains supply: The measurement conditions in this document represent normal usage of the device and may differ from usage under specific conditions, such as those specified in safety standards: The usage is different under certain conditions:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 44021:1-2024 Measurement of power consumption of audio, video and related equipment Part 1: General (IEC 62087-1:2015, IDT) IEC 60107-1:1997 Methods of measurement for receivers for television broadcast transmissions Part 1: General considerations for radio and video frequencies Note: GB/T 17309:1-1998 Measurement methods for television broadcast receivers Part 1: General considerations for RF and video electrical performance measurements and display performance Measurement of energy (IEC 60107-1:1995IDT) DVB-T system) 3 Terms, definitions and abbreviations 3:1 Terms and Definitions The terms and definitions defined in GB/T 44021:1-2024 and the following apply to this document: 3:1:1 Additional functions Functions not required for basic operation of the device: Note: Examples of additional functions include, but are not limited to, a VCR unit, a DVD unit, a hard disk unit, an FM radio unit, a memory card reader unit, or an environmental camera: Bright unit: 3:1:2 Buffering In order to accomplish the time-shifting functionality, some form of storage is used to temporarily store the video and audio streams: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 44021.4-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 44021.4-2024_English as soon as possible, and keep you informed of the progress. 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