33.160 - Audio, video and audiovisual engineering
ICS 33.160 Details
Audio, video and audiovisual engineering
Audio-, Video- und Audiovisuelle Technik
Techniques audio, video et audiovisuelles
Avdio, video in avdiovizualna tehnika
General Information
Frequently Asked Questions
ICS 33.160 is a classification code in the International Classification for Standards (ICS) system. It covers "Audio, video and audiovisual engineering". The ICS is a hierarchical classification system used to organize international, regional, and national standards, facilitating the search and identification of standards across different fields.
There are 1725 standards classified under ICS 33.160 (Audio, video and audiovisual engineering). These standards are published by international and regional standardization bodies including ISO, IEC, CEN, CENELEC, and ETSI.
The International Classification for Standards (ICS) is a hierarchical classification system maintained by ISO to organize standards and related documents. It uses a three-level structure with field (2 digits), group (3 digits), and sub-group (2 digits) codes. The ICS helps users find standards by subject area and enables statistical analysis of standards development activities.
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IEC TR 63614-1:2026 describes general considerations to take into account for standardization on multimedia systems and equipment for metaverse, which include the concept of metaverse and the impacts of metaverse on multimedia systems and equipment.
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IEC 63316:2026 prescribes safeguards, test methods and compliance requirements intended to reduce the risk of electrical shock and fire associated with voltage and current at voltages greater than 60 V DC and 60 V AC. This document applies to equipment ports intended to supply and receive operating power from communications equipment ports using communication wires and cables. It covers particular requirements for circuits that are designed to transfer AC or DC power from a power sourcing equipment (PSE) (3.1.2) to a powered device (PD) (3.1.3), including repeaters, amplifiers, Optical Network Units, Remote DSLAMs, service provider terminating equipment, remote telecommunications cabinets and equipment, and midspan passive equipment connected to the PSE (3.1.2) and PD (3.1.3). The power transfer of equipment ports covered by this document uses non-mains AC voltage or non-mains DC voltage above 60 V DC classified as ES2 according to 5.2.1.2 of IEC 62368-1:2023 or, in some very controlled cases, classified as ES3 according to IEC 62368-1:2023. EXAMPLES - DC power transfer using voltages above 60 V DC but ≤ 120 V DC, classified as ES2; - Some telecommunications networks where the voltage was formerly called TNV-3 (see IEC 62368-1:2023, Table W.3), typically used for line, span or express powering outside North America, Long Range Reverse Power Feeding, HDSLx line powering ISDN, Line Powering Primary Rate E1; - Some North American telecommunications networks between the utility service providers´ PSE (3.1.2) and service providers side of the PD (3.1.3) at the PNI (3.1.8); - For DC power transfer using voltages ≥ 120 V DC at ES3: RFT circuits and the associated telecommunications network equipment and cabling used by communications service providers and communications utilities (for example, line powered E1/T1, HDSLx, SHDSLx, xDSL, repeaters, and telecommunications line powering up or line powering down converters as applicable), Optical Network Units, remote DSLAMs, etc. These RFT circuits are used between the utility service providers PSE (3.1.2) and service providers side of the PD (3.1.3) at the PNI (3.1.8). The customer facing ports of this equipment are at voltage not exceeding 60 V DC and are covered by IEC 62368-1:2023, see Annex A for deployment topologies; - For AC/DC remote powering voltage above ES1 over coaxial cable in circuits used by cable television utility service providers for repeaters, amplifiers, Optical Network Units. The customer facing ports of this equipment are at voltage not exceeding 60 V DC that are covered by IEC 62368-1:2023. NOTE 1 Any communications cable that permits power transfer between communication equipment is considered a communication cable even if communication does not take place. For example, a line powering up or line powering down converters as applicable used to power remote telecommunications equipment, can provide limited communications RFT power and not necessarily any superimposed data or signalling. This document does not cover equipment interfaces within the scope of IEC 63315. NOTE 2 IEC 63315 covers equipment intended to either supply or receive charging, or operating power from ICT interfaces using ICT wires and cables such as PoE, USB, HDMI, etc, or any of these combined. This document does not cover ringing signals that are in the scope of IEC 62368-1 or in the scope of IEC 62949:2017. This document does not cover traditional telecommunications technologies which operate at voltages not exceeding 60 V DC (circuits classified as ES1 according to 5.2.1.1 of IEC 62368-1:2023 and Tabl
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This part of IEC 62676 specifies the functions, performance, interfaces, environmental adaptability, test methods, performance evaluation and grading rules of real-time intelligent video analysis in surveillance systems.
This document applies to live and forensic, real-time intelligent video analysis devices and systems in video surveillance.
The document is centred on testing performance and grading device functionality which enables:
• Core capability: Classification of objects, detection of specific "object activity", such as "stopping", "starting", "direction of movement", etc.
Examples are listed in Annex A.
• Complex capability: Detection of "scenarios" which are based on combinations of object activity, such as "loitering", "perimeter intrusion detection", "person down", "tailgating", "intrusion", "abandoned object detection", explosion, fire, flood, potential terrorist attack using a vehicle, owner of an abandoned bag, etc.
Examples of current scenarios are listed and described in Annex B.
• Degree of difficulty: The application of real operating environments to test the performance under known or required operating stress levels, examples of operating stress levels that are sterile or non-sterile, indoor or outdoor, target obscuration levels, extreme weather conditions, vibrating mechanical rugged environments causing image shake resulting in degradation of image quality requirement, see Table 1 and Annex C.
The purpose of this document is to provide end users, at different levels of the service process, from users and installers, integrators and maintenance companies, to certification providers, with methods to measure the performance of video analysis systems that must also comply with other parts of the standard.
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IEC 63316:2026 prescribes safeguards, test methods and compliance requirements intended to reduce the risk of electrical shock and fire associated with voltage and current at voltages greater than 60 V DC and 60 V AC.
This document applies to equipment ports intended to supply and receive operating power from communications equipment ports using communication wires and cables. It covers particular requirements for circuits that are designed to transfer AC or DC power from a power sourcing equipment (PSE) (3.1.2) to a powered device (PD) (3.1.3), including repeaters, amplifiers, Optical Network Units, Remote DSLAMs, service provider terminating equipment, remote telecommunications cabinets and equipment, and midspan passive equipment connected to the PSE (3.1.2) and PD (3.1.3).
The power transfer of equipment ports covered by this document uses non-mains AC voltage or non-mains DC voltage above 60 V DC classified as ES2 according to 5.2.1.2 of IEC 62368-1:2023 or, in some very controlled cases, classified as ES3 according to IEC 62368-1:2023.
EXAMPLES
- DC power transfer using voltages above 60 V DC but ≤ 120 V DC, classified as ES2;
- Some telecommunications networks where the voltage was formerly called TNV-3 (see IEC 62368-1:2023, Table W.3), typically used for line, span or express powering outside North America, Long Range Reverse Power Feeding, HDSLx line powering ISDN, Line Powering Primary Rate E1;
- Some North American telecommunications networks between the utility service providers´ PSE (3.1.2) and service providers side of the PD (3.1.3) at the PNI (3.1.8);
- For DC power transfer using voltages ≥ 120 V DC at ES3: RFT circuits and the associated telecommunications network equipment and cabling used by communications service providers and communications utilities (for example, line powered E1/T1, HDSLx, SHDSLx, xDSL, repeaters, and telecommunications line powering up or line powering down converters as applicable), Optical Network Units, remote DSLAMs, etc. These RFT circuits are used between the utility service providers PSE (3.1.2) and service providers side of the PD (3.1.3) at the PNI (3.1.8). The customer facing ports of this equipment are at voltage not exceeding 60 V DC and are covered by IEC 62368-1:2023, see Annex A for deployment topologies;
- For AC/DC remote powering voltage above ES1 over coaxial cable in circuits used by cable television utility service providers for repeaters, amplifiers, Optical Network Units. The customer facing ports of this equipment are at voltage not exceeding 60 V DC that are covered by IEC 62368-1:2023.
NOTE 1 Any communications cable that permits power transfer between communication equipment is considered a communication cable even if communication does not take place. For example, a line powering up or line powering down converters as applicable used to power remote telecommunications equipment, can provide limited communications RFT power and not necessarily any superimposed data or signalling.
This document does not cover equipment interfaces within the scope of IEC 63315.
NOTE 2 IEC 63315 covers equipment intended to either supply or receive charging, or operating power from ICT interfaces using ICT wires and cables such as PoE, USB, HDMI, etc, or any of these combined.
This document does not cover ringing signals that are in the scope of IEC 62368-1 or in the scope of IEC 62949:2017.
This document does not cover traditional telecommunications technologies which operate at voltages not exceeding 60 V DC (circuits classified as ES1 according to 5.2.1.1 of IEC 62368-1:2023 and Table ID1a, 1b, or 1c in Table 13 of IEC 62368-1:2023) with or without ringing signals (classified as ES2 according to 5.2.1.1 of IEC 62368-1:2023 and external circuit ID1a, 1b, or 1c in Table 13 of IEC 62368-1:2023). Examples of traditional telecommunications technologies include Analogue Telephony, ISDN, T1, E1, VDSL, SHDSL, DDS, etc.
This document does not cover communications over ma
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IEC TR 63614-3:2026 describes the gap analysis for metaverse systems and equipment, including examination of existing standards and services/applications within the metaverse domain. The analysis includes a comprehensive review of developments in various Standards Development Organizations (SDOs) and the relevant industry.
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IEC 63563-5:2025 defines the low-level (physical layer and the data link layer) formats of data bits, data bytes, and data packets. In addition, it provides requirements and guidelines for load modulation and frequency-shift keying.
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IEC 63563-2:2025 provides glossary of definitions, acronyms, and symbols for the the Qi Specification, which applies to flat surface devices such as mobile phones and tablets that use up to 15 W of power
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IEC 63563-4:2025 comprises guidelines and requirements for Power Receiver design, including circuitry, power consumption, operating power levels, power transfer efficiency, and standby power.
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IEC 63563-10:2025 defines MPP (Magnetic Power Profile), an extension to Qi v1.3 BPP (Baseline Power Profile). Manufacturers can use this specification to implement PTx and/or PRx that are interoperable.
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Amendment 1 - Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 2: Burst-info
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IEC 63563-11:2025 describes Magnetic power profile (MPP) which is a protocol extension that provides additional messages, new power states/modes, new power transfer contract elements, and aims to provide the following functionalities:
• Operating Frequency Negotiation
• Cloaking (Power Pause)
• Generic Information Exchange
• Simultaneous Data Stream Transactions
• Fast PTx to PRx communication
• Maximum Power and Power Control Profiles Determination
• Extended Power Negotiation
• Extended PTx/PRx Identification and Capabilities
• Extended Control Error Packets and Received Power Packets
• Power Transmitter Battery Level Reporting
• Ecosystem Scalability
MPP extension allows devices to operate under Restricted mode (no PTx communication) at 360kHz without performing any explicit negotiation with the Power Transmitter. This flexibility enables devices with limited resources (e.g., devices with no FSK support) to take advantage of the frequency change feature.
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IEC 63563-3:2025 identifies basic physical design requirements and guidelines for Power Transmitter and Power Receiver Products, including product and system dimensions, alignment of the products, surface temperature rise, and indications to the user.
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IEC 63563-6:2025 defines the messaging between a Power Transmitter and a Power Receiver. The primary purpose of this messaging is to set up and control the power transfer. As a secondary purpose, it provides a transport mechanism for higher-level applications such as Authentication. The communications protocol comprises both the required order and timing relations of successive messages.
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IEC 63563-8:2025 provides guidelines for detecting the presence of a Radio Frequency Identification (RFID) tag or Near Field Communication (NFC) card within the operating range of the Power Transmitter and preventing damage to the tag or card.
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IEC 63563-7:2025 defines methods for ensuring that the power transfer proceeds without heating metal objects in the magnetic field of a Power Transmitter. Although the Power Transmitter may optionally use any of these methods, some of them require assistance by the Power Receiver.
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IEC 61937-2:2021 specifies the digital audio interface to convey non-linear PCM encoded audio bitstreams applying IEC 60958-1 and IEC 60958-3. This document specifies burst-info, which defines content information about the data contained in the burst-payload. IEC 61937-2:2021 cancels and replaces the second edition published in 2007, Amendment 1:2011 and Amendment 2:2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) new audio data-types of MPEG-D USAC, ACX, ACX HBR2, ACX HBR4 and ACX HBR8 have been added;
b) extended data-type field in Pe has been activated.
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IEC 63563-9:2025 defines the architecture and application-level messaging for the Authentication of a Power Transmitter Product by a Power Receiver to ensure that the Power Transmitter Product is both Qi certified and the product of a registered manufacturer.
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IEC 63563-1:2025 introduces the Qi Specification, which applies to flat surface devices such as mobile phones and tablets that use up to 15 W of power
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IEC 63652-1:2026 specifies a method and procedures for Wireless Power Transfer between two NFC wireless devices. The provided technical foundations use NFC technology for the initiation, control and execution of 13.56 MHz power transfer.
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IEC 62652-2:2026, the NFC Data Exchange Format (NDEF) specification, is a common data format for NFC Forum Devices. The NFC Data Exchange Format specification defines the NDEF data structure format as well as rules to construct a valid NDEF Message as an ordered and unbroken collection of NDEF Records. Furthermore, it defines the mechanism for specifying the types of application data encapsulated in NDEF Records. The NDEF specification defines only the data structure format to exchange application or service specific data in an interoperable way, and it does not define any NDEF Record Types in detail - NDEF Record Types are defined in separate specifications. This NDEF specification assumes a reliable underlying protocol and therefore this specification does not specify the data exchange between two NFC Forum Devices. An NFC Forum Device can process the NDEF information independently of the way it has received the NDEF Message. Because of the large number of existing message encapsulation formats, record marking protocols, and multiplexing protocols, it is best to be explicit about the design goals of NDEF and, in particular, about what is outside the scope of NDEF.
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This part of IEC 62676 describes the planning, design, installation, testing, commissioning, and maintaining of video surveillance systems (VSS) comprising image capture device(s), interconnection(s) and image handling device(s), for use in security applications within private or public spaces.
The objectives of this document are to:
a) provide a framework to assist all interested parties in establishing their requirements,
b) assist specifiers and users in determining the appropriate equipment required for a given application,
c) provide means of evaluating objectively the performance of the VSS.
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IEC 63296-3:2025 specifies the method for measuring the battery duration at a defined sound pressure level for continuous music playback of battery-operated wearable powered loudspeaker equipment. A primary battery or secondary battery can be used as a power source for such a shoulder-carried or body-worn loudspeaker and its composite device. In addition, only equipment that can be placed on or hung from a head and torso simulator (HATS) is covered. Bone conduction speakers are excluded. Portable loudspeaker equipment also supporting video playback as the main function is not covered by this document.
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Applies to radio receives and tuners for the reception of frequency- modulated sound-broadcasting emissions with rated maximum system deviations of ±75 kHz and ±50 kHz in ITU Band 8. Deals mainly with methods of measurement using radiofrequency signals applied to the antenna terminals of the receiver.
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IEC 63478-2:2025 describes the requirements to measure users’ quality of experience (QoE) on multimedia conferencing services.
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IEC 63448:2025 specifies the low and ultra-low latency communication and control system (ULCCS) technology to address the communication and control challenges of multimedia-centric applications. It describes the medium access control (MAC) layer specifications:
- MAC frame design for control-centric scheduling.
- Message types and packet formats for MAC layer operation.
- System management aspects at the MAC layer for multiple control domains and multi-hop operation.
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IEC 63296-3:2025 specifies the method for measuring the battery duration at a defined sound pressure level for continuous music playback of battery-operated wearable powered loudspeaker equipment. A primary battery or secondary battery can be used as a power source for such a shoulder-carried or body-worn loudspeaker and its composite device. In addition, only equipment that can be placed on or hung from a head and torso simulator (HATS) is covered. Bone conduction speakers are excluded. Portable loudspeaker equipment also supporting video playback as the main function is not covered by this document.
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IEC 63478-2:2025 describes the requirements to measure users’ quality of experience (QoE) on multimedia conferencing services.
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IEC 62608-1:2025 specifies the basic reference model to configure devices connected to a home network with a configuration framework for network applications running on such devices. This document applies to devices that are cable or wireless LAN connected and switched on and that support IP protocol. The reference model covers inside and outside network connectivity. This document specifies the system model and functions that each component should support. This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- addition of devices connected via wireless LAN;
- addition of servers on the cloud.
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IEC 61937-17:2025 specifies the method to convey non-linear PCM bitstreams encoded according to the AVS3-P3 format.
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IEC TR 62368-2:2025 identifies the purpose and applicability of IEC 62368-1:2023 and the exclusions from the scope. The scope excludes requirements for functional safety. Functional safety is addressed in IEC 61508-1. Because the scope includes computers that can control safety systems, functional safety requirements would necessarily include requirements for computer processes and software. The requirements provided in IEC 60950-23 can be modified and added to IEC 62368 as another -X document. However, because of the hazard-based nature of IEC 62368-1, the requirements from IEC 60950-23 have been incorporated into the body of IEC 62368-1 and made more generic. The intent of the addition of the IEC 60950-23 requirements is to maintain the overall intent of the technical requirements from IEC 60950-23, incorporate them into IEC 62368-1 following the overall format of IEC 62368-1 and simplify and facilitate the application of these requirements. Robots traditionally are covered under the scopes of ISO documents, typically maintained by ISO TC 299. ISO TC 299 has working groups for personal care robots and service robots, and produces for example, ISO 13482, Robots and robotic devices - Safety requirements for personal care robots. In this document, only those subclauses from IEC 62368-1 considered to need further background reference information or explanation to benefit the user in applying the relevant requirements are included. Therefore, not all numbered subclauses are cited. Unless otherwise noted, all references are to clauses, subclauses, annexes, figures or tables located in IEC 62368‑1:2023. This fourth edition cancels and replaces the third edition published in 2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) It takes into account changes made in the fourth edition of IEC 62368-1 (IEC 62368-1:2023) as identified in the Foreword of IEC 62368 1:2023
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IEC 60268-7:2025 is applicable to headphones, earphones, headsets and earsets, intended to be used on, or in, the human ear. It also applies to equipment, such as pre-amplifiers, passive networks and power supplies which form an integral part of the headphone system.
This document does not deal with:
- safety, for which reference is made to IEC 62368-1 or another appropriate standard;
- the characteristics of microphones of headsets, for which reference is made to IEC 60268‑4;
- earphones and other devices for hearing aids, for which reference is made to IEC 60118-0;
- headphones for audiometry;
- headphones and other devices which form part of an active ear-defender system, although some of the provisions of this document can be applicable;
- active noise cancelation characteristics as covered by IEC 60268-24.
This document specifies the characteristics which are included by the manufacturer in specifications, and relevant methods of measurement. It includes a classification of the different types of earphones, mainly characterized by the way in which the transducer is coupled acoustically to the ear, and a classification code which can also be used for marking. Rated conditions and characteristics in this document provided by the manufacturer are not generally intended for external verification. Measurement methods for rated characteristics are informative and are provided for the benefit of manufacturers for the purpose of test repeatability and data comparison. All other specifications and tests are provided for testing by the manufacturer and for external testing and verification. This fourth edition cancels and replaces the third edition published in 2010, and Amendment 1 of 2020. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- consolidated with IEC 60268-7:2010/AMD1:2020;
- clause/subclause/annex reconstruction and renumbering;
- addition of effective frequency range of the free-field / diffuse-field compensated frequency response;
- update of measurement methods of modulation distortion and difference-frequency distortion;
- addition of details of two-tone distortion measurements, see Annex I;
- addition of details of left-right tracking response for stereo headphones, see Annex J.
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IEC TS 63528:2025 specifies descriptors for classifying and grouping the diverse and wide range of haptics events and functions in multimedia systems, which are already used in consumer electronics, computer interfaces, automobiles, amusements, and communications.
The scope of this document is to define descriptors for classifying various types of haptics systems from different perspectives. This will enable the consideration of standardization items such as compatibility, interoperability, performance, and evaluation and measurement methods for the classified haptics systems.
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IEC 62911:2025 defines procedures for use during or after manufacturing of complete equipment, sub-assemblies or components, complying with IEC 62368-1 and powered by an AC or DC, to detect manufacturing failures and unacceptable tolerances in manufacturing and materials.
NOTE 1: Not all the tests defined in this document are necessarily performed at the end product manufacturing location. The optimal location for the can be defined by the equipment manufacturer and reviewed under the applicable conformity assessment scheme.
NOTE 2: The test procedures in this document are intended to identify production and manufacturing errors. These test procedures are not intended for product development or verification (see The test procedures in this document are intended to identify production and manufacturing errors. These test procedures are not intended for product development or verification (see IEC 62368-1).
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IEC 63455:2025 specifies the 4b/10b line code with error correction for dependable multimedia data transmission, especially for real-time communications even in noisy environments, such as IoT devices, wearable devices, sensor networks, robotics, and spacecraft. This document corresponds to the functions specified in layer 1 to layer 2 of the OSI reference model (ISO/IEC 7498).
This document aims to facilitate the usage of the 4b/10b line code in complex systems by providing the 4b/10b line code protocol. This document defines the 4b/10b line code protocol for interconnections in complex systems, mainly distributed real-time systems such as embedded systems, control systems, IoT devices, wearable devices, sensor networks, amusement systems, robot systems, and spacecraft. Specifically, the 4b/10b line code is the line code that realizes embedded clock, DC balance, error detection, and error correction at the same time, whose functions are not satisfied by a conventional single line code so that the 4b/10b line code can achieve highly reliable digital communications. The most significant feature of the 4b/10b line code is that it is a line code with error correction capability. Therefore, there is no need for error correction in the upper layers, and communication can be performed using only the 4b/10b line code in noisy environments.
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IEC TR 63583-1:2025, which is a technical report, specifies the system overview of the compact driving simulator (CDS), which is a virtual education and training system and a compact version of a driving simulator.
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IEC 60050-726:2025 gives the terms and definitions for the wide area of transmission lines and waveguides and the related technologies, from the physics to their applications representing the present state-of-the–art. This new edition reviews and complements the previous one. It has the status of a horizontal standard in accordance with IEC Guide 108.
This terminology is consistent with the terminology developed in the other specialized parts of the IEV.
This horizontal publication is primarily intended for use by technical committees in the preparation of IEC publications in accordance with the principles laid down in IEC Guide 108.
One of the responsibilities of a technical committee is, wherever applicable, to make use of horizontal publications in the preparation of its publications.
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IEC TR 63558:2025 describes the factors related to classification of the real-life environment according to acoustic indicators and linguistic indicators. The set of factors can be used to describe complexities of use scenarios, from level 1 to 4, and can be helpful when setting up the testing environment.
This document applies for evaluating automatic speech recognition technology which is widely used for smart equipment, such as smart speakers
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IEC 61937-16:2024 describes the method to convey non-linear PCM bitstreams encoded in accordance with the AVSA format.
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IEC 63296-2:2023 is applicable to active acoustic noise-cancelling headphones and earphones that have the function of reducing the ambient noise heard by the user by the level of the output sound from the transducer, which is generated by the ambient noise detection microphone and the noise reduction signal processing circuit.
This document covers headphones and earphones to be worn over-the-ear or in-ear, all of which are referred to as "headphones" in this document.
This document specifies the terms and definitions relating to battery duration of this type of headphones and the measurement and evaluation methods.
The noise-detection microphones are mounted in the body, on the surface, or on an accessory of the headphones. Signal-processing circuits are analogue and digital electronic circuits.
This document does not deal with equipment intended for hearing protection. It is also not applicable to music players, recorders, etc. that have a noise-cancelling function.
The battery duration measurement methods can be applied to headphones having no active noise-cancelling function.
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The present document applies to terrestrial wireless digital video link equipment operating in the frequency band
1,3 GHz to 50 GHz. The present document does not apply to transmitter equipment where the output power exceeds
10 W. Equipment with an integral antenna is also excluded.
NOTE: The relationship between the present document and essential requirements of article 3.2 of
Directive 2014/53/EU [i.1] is given in annex A.
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IEC 62394:2024 specifies requirements for service diagnostic software to be implemented in products that incorporate a digital interface. It does not specify requirements for carrying out remote diagnosis or for manufacturer-dependent software.
The Service Diagnostic Interface (SDI) requires an external controller (exclusive or general-purpose/PC) into which service diagnostic software can be loaded. Parts of the controller software are standardized while other parts are proprietary to the manufacturers.
To reach a common approach in servicing all products from all manufacturers, it is necessary to standardize specific items to be tested in products and certain aspects of controllers' diagnostic software.
The SDI is based upon ECHONET specification version 2.11, ECHONET Lite specification version 1.13, and APPENDIX Detailed Requirements for ECHONET Device objects Release Q rev. 1, because this interface will be used in future products. The use of this connection and existing communication protocols enable implementation in products at a low cost, with maximum flexibility and efficiency.
The SDI consists of
• specific hardware and software requirements of the device under test (DUT);
• specific requirements of the controller:
– the service software;
– an ECHONET interface;
• the connection between the controller and the DUT.
This document provides the minimal requirements necessary to carry out computerized diagnosis. It covers the standardized software of the controller as well as the standardized software and provisions in the DUT.
IEC 62394:2024 cancels and replaces the fourth edition published in 2022. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) updates of the device object super class specifications for the property configurations shared by all device objects;
b) modification and addition of the property configurations defined by each object;
c) addition of new device objects and their property configurations;
d) updates to Bibliography.
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IEC 61966-12-2:2024 specifies the colour gamut metadata format for video systems intended for use in CE (consumer electronics) devices. The metadata specified in this part of IEC 61966-12 is limited to the gamut description for display types comprising the three primary additive colours, whose white and black points have the same chromaticity. It is fundamentally based on the conventional VESA-EDID format.
When associated with content, the simple metadata format defines the gamut for which the content was created. It can be used by the display for controlled colour reproduction even if the display’s colour gamut is different from that of the content. When associated with a display, the simple metadata format defines the display colour gamut. It can be used during content creation to enable improved colour reproduction.
This document provides the simplest, but unambiguous solution for typical CE devices that are based on colour gamut information communication.
IEC 61966-12-2:2024 cancels and replaces the first edition published in 2014. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) the number of bits of metadata format has been extended in Clause 4;
b) Annex C has been added for handling HDR content.
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IEC 62305-1:2024 provides general principles for the protection of structures against lightning, including their installations and contents, as well as persons.
The following cases are outside the scope of this document:
- railway systems;
- vehicles, ships, aircraft, offshore installations;
- underground high-pressure pipelines;
- pipe, power and telecommunication lines separated from the structure;
- nuclear power plants.
This third edition cancels and replaces the second edition published in 2010. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) reference to the IEC 62561 series is made in Annex D to provide a link to relevant lightning protection system components according to the IEC 62561 series;
b) risk management introduces the concept of types of loss with public relevance;
c) the concept of frequency of damage that can impair the availability of the internal systems within the structure has been introduced;
d) surge currents due to lightning flashes have been more accurately specified for SPD dimensioning in low-voltage power systems and in telecommunication systems.
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