GB/T 44021.5-2024 English PDFUS$354.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 44021.5-2024: Audio, video and related equipment - Determination of power consumption - Part 5: Set top boxes(STB) Status: Valid
Basic dataStandard ID: GB/T 44021.5-2024 (GB/T44021.5-2024)Description (Translated English): Audio, video and related equipment - Determination of power consumption - Part 5: Set top boxes(STB) Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: M72 Classification of International Standard: 33.160.10 Word Count Estimation: 18,130 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 44021.5-2024: Audio, video and related equipment - Determination of power consumption - Part 5: Set top boxes(STB)---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 5: Set-top Box (STB) Part 5: Settopboxes (STB) (IEC 62087-5:2015, 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 3 4:1 Overview 3 4:2 Automatic shutdown function 4 5 Test conditions 4 5:1 Overview 4 5:2 Input Signal 4 5:3 Input Interface 5 5:4 Testing Process 6 Appendix A (Informative) Notes on power consumption measurement of set-top boxes in “on” mode 9 Reference 11ForewordThis 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 5 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 62087-5:2015 "Measurement of power consumption of audio, video and related equipment - Part 5: Set-top box (STB)": 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, China National Accreditation Service for Conformity Assessment, Shenzhen CESI Information Technology Co:, Ltd: Ltd:, Shenzhen Skyworth Digital Technology Co:, Ltd:, Qingdao Hisense Electric Co:, Ltd:, China Inspection Group Southern Testing Co:, Ltd:, Shenzhen Shenzhen Jiuzhou Electric Co:, Ltd: The main drafters of this document are: Long Yue, Ruan Xiangyuan, Chen Renwei, Fan Kefeng, Xie Binbin, Song Wenping, Wang Wei, Hou Tao, and Han Xiaojie: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 5: Set-top Box (STB)1 ScopeThis document describes the power consumption measurement method for set-top boxes and presents the various operating modes that are relevant for power consumption measurement: This document applies only to equipment that can be connected to a mains supply: The measurement conditions of 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 different 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 (idtIEC 60107-1:1995) the DVB-T system): 3 Terms, definitions and abbreviations 3:1 Terms and Definitions The following terms and definitions apply to this document: 3:1:1 Additional functions Functions not required for basic operation of the device: 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: 3:1:3 Cable TV set-top box cableTVSTB The main function is to receive and decode TV signals from broadband, hybrid fiber/coaxial, and community cable distribution systems and transmit them to the display recorder or recording device: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 44021.5-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 44021.5-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 44021.5-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 44021.5-2024_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+ countriesQuestion 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. |
