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GB/T 44021.5-2024: Audio, video and related equipment - Determination of power consumption - Part 5: Set top boxes(STB)
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 44021.5-2024 | English | 354 |
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Audio, video and related equipment - Determination of power consumption - Part 5: Set top boxes(STB)
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GB/T 44021.5-2024
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Basic data | Standard 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)
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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 Contents
Preface 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 11
Foreword
This 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:
Introduction
As 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 Scope
This 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 references
The 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:
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