35.040 - Information coding
ICS 35.040 Details
Information coding
Zeichensatze. Codes
Jeux de caracteres et codage de l'information
Kodiranje informacij
General Information
REN/ESI-0019532-4v121
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The present document is one of the parts of the specification of the Digital Enhanced Cordless Telecommunications
(DECT) Common Interface (CI).
This part of the DECT CI specifies the speech and audio coding and transmission requirements.
In order to ensure satisfactory interworking of different portable and fixed units, it is necessary to specify the
transmission performance of the analog information over the digital link. This requires not only use of a common
speech algorithm, but also standardization of frequency responses, reference speech levels (or loudness) at the air
interface and various other parameters.
The present document applies to DECT equipment which includes all the necessary functions to provide real-time
two-way speech conversation and stereo audio transmission. Several speech services are defined in the present
document, including conventional 3,1 kHz telephony, wideband 7 kHz voice transmission, super-wideband 14 kHz and
fullband 20 kHz service. DECT Fixed part providing such services may be connected to the public circuit switched
(PSTN/ISDN) network, to private networks or to the Voice over Internet Protocol (VoIP) network.
Tethered fixed point local loop applications are not required to comply with the requirements of the present document.
For the DECT systems which connect to the Public Switched Telephone Network (PSTN) via an analog interface, the
additional requirements, which are implemented in the FP, have as much as possible been aligned with ETSI
TBR 038 [29].
A summary of the control and the use of the DECT echo control functions, to guide on need for options to
manufacturers and installers, is found in annex A.
Information concerning test methods can be found in ETSI EN 300 176-1 [9] and ETSI EN 300 176-2 [10] (previously
covered by ETSI TBR 010 [i.5]). The test methods take into account that DECT is a digital system.
The present document includes New Generation DECT, a further development of the DECT standard introducing
wideband speech, improved data services, new slot types and other technical enhancements.
In addition, the present document includes DECT Evolution, providing SWB and FB speech and audio capabilities and
a new speech coding algorithm for NB and WB allowing to increase the audio quality of the NB and WB speech service
and improve bandwidth efficiency.
The latest update for DECT Evolution includes the support of ultra-band, high resolution, low-latency speech and audio
coding, and additional PP types supported with LC3plus coding. An application profile using these new PP types can be
found in ETSI TS 103 706 [i.28].
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This document establishes a coding system to achieve identification of any small craft in terms of:
a) identification code of the country of the manufacturer of the craft;
b) identification code of the manufacturer;
c) serial number;
d) month and year of manufacture;
e) model year.
This document is applicable to small craft of all types and materials, of hull length, LH, up to 24 m.
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The present document specifies XAdES digital signatures. XAdES signatures build on XML digital signatures [1], by
incorporation of signed and unsigned qualifying properties, which fulfil certain common requirements (such as the long
term validity of digital signatures, for instance) in a number of use cases.
The present document specifies XML Schema definitions for the aforementioned qualifying properties as well as
mechanisms for incorporating them into XAdES signatures.
The present document specifies formats for XAdES baseline signatures, which provide the basic features necessary for
a wide range of business and governmental use cases for electronic procedures and communications to be applicable to
a wide range of communities when there is a clear need for interoperability of digital signatures used in electronic
documents.
The present document defines four levels of XAdES baseline signatures addressing incremental requirements to
maintain the validity of the signatures over the long term, in a way that a certain level always addresses all the
requirements addressed at levels that are below it. Each level requires the presence of certain XAdES qualifying
properties, suitably profiled for reducing the optionality as much as possible.
Procedures for creation, augmentation, and validation of XAdES digital signatures are out of scope and specified in
ETSI EN 319 102-1 [i.6]. Guidance on creation, augmentation and validation of XAdES digital signatures including the
usage of the different properties defined in the present document is provided in ETSI TR 119 100 [i.11].
The present document aims at supporting electronic signatures in different regulatory frameworks.
NOTE: Specifically but not exclusively, XAdES digital signatures specified in the present document aim at
supporting electronic signatures, advanced electronic signatures, qualified electronic signatures,
electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU)
No 910/2014 [i.1].
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This document focuses on the abstract interface between an application and the data processor and includes the specification and definition of application commands and responses. It allows data and commands to be specified in a standardised way, independent of the ISO/IEC 18000 series air interfaces. This document: —   provides guidelines on presenting data as objects; —   defines the structure of Object Identifiers, based on ISO/IEC 9834-1; —   specifies the commands that are supported for transferring data between an application and the radio frequency identification (RFID) tag; —   specifies the responses that are supported for transferring data between the tag and the application; —   does not specify any required transfer syntax with ISO/IEC 15962, but provides the non-normative information in Annex A for backward compatibility with the 2004 version of this document (ISO/IEC 15961:2004[1]).  [1] Withdrawn standard. Replaced by ISO/IEC 15961-1, ISO/IEC 15961-2, ISO/IEC 15961-3 and ISO/IEC 15961-4.
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The present document specifies a certificate profile for web site certificates that are accessed by the TLS protocol [i.1].
The profile defined in the present document builds on the CA/Browser Forum Baseline requirements [2], Extended
validation guidelines [3] and other parts of the present multipart deliverable.
The present document focuses on requirements on certificate content. Requirements on decoding and processing rules
are limited to aspects required to process certificate content defined in the present document. Further processing
requirements are only specified for cases where it adds information that is necessary for the sake of interoperability.
This profile can be used for legal and natural persons. For certificates issued to legal persons, the profile builds on the
CAB Forum EV Profile [3] or baseline requirements [2]. For certificates issued to natural persons, the profile builds
only on CAB Forum baseline requirements [2].
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The present document specifies policy and security requirements for the issuance, maintenance and life-cycle
management of EU qualified certificates as defined in Regulation (EU) No 910/2014 [i.1]. These policy and security
requirements support reference certificate policies for the issuance, maintenance and life-cycle management of EU
qualified certificates issued to natural persons (including natural persons associated with a legal person or a website)
and to legal persons (including legal persons associated with a website), respectively.
The present document does not specify how the requirements identified can be assessed by an independent party,
including requirements for information to be made available to such independent assessors, or requirements on such
assessors.
NOTE: See ETSI EN 319 403 [i.6] for guidance on assessment of TSP's processes and services. The present
document references ETSI EN 319 411-1 [2] for general requirements on TSP issuing certificates.
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This document defines a storage format for derived visual tracks and an initial base set of related transformation operations. The format defined in this document enables the interchange, editing, and display of timed sequences of images that result from transformation operations applied to input still images or samples of timed sequences of images in the same presentation. This format defines normative structures used to contain the description of transformation operations, how to link that transformation operations to the inputs, and defines how to process those transformation operations to obtain a timed sequence of video frames.
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This document defines the air interface for radio frequency identification (RFID) devices operating in the 860 MHz to 960 MHz industrial, scientific, and medical (ISM) band used in item management applications. It provides a common technical specification for RFID devices that can be used to develop RFID application standards. This document is intended to allow for compatibility and to encourage inter-operability of products for the growing RFID market in the international marketplace. It defines the forward and return link parameters for technical attributes including, but not limited to, operating frequency, operating channel accuracy, occupied channel bandwidth, maximum effective isotropic radiated power (EIRP), spurious emissions, modulation, duty cycle, data coding, bit rate, bit rate accuracy, bit transmission order, and, where appropriate, operating channels, frequency hop rate, hop sequence, spreading sequence, and chip rate. It further defines the communications protocol used in the air interface. This document specifies the physical and logical requirements for a passive-backscatter, Interrogator-Talks-First (ITF) systems. The system comprises Interrogators, also known as readers, and tags, also known as labels. An Interrogator receives information from a tag by transmitting a continuous-wave (CW) RF signal to the tag; the tag responds by modulating the reflection coefficient of its antenna, thereby backscattering an information signal to the Interrogator. The system is ITF, i.e. a tag modulates its antenna reflection coefficient with an information signal only after being directed to do so by an Interrogator. This document specifies —   physical interactions (the signalling layer of the communication link) between Interrogators and tags; —   logical operating procedures and commands between Interrogators and Tags; —   the collision arbitration scheme used to identify a specific tag in a multiple-tag environment; —   optional security commands that allow the use of crypto suites of ISO/IEC 29167.
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The present document specifies procedures for:
• the creation of AdES digital signatures (specified in ETSI EN 319 122-1 [i.2], ETSI EN 319 132-1 [i.4], ETSI
EN 319 142-1 [i.6] respectively);
• establishing whether an AdES digital signature is technically valid;
whenever the AdES digital signature is based on public key cryptography and supported by Public Key Certificates
(PKCs). To improve readability of the present document, AdES digital signatures are meant when the term signature is
being used.
NOTE 1: Regulation (EU) No 910/2014 [i.15] defines the terms electronic signature, advanced electronic signature,
electronic seals and advanced electronic seal. These signatures and seals are usually created using digital
signature technology. The present document aims at supporting the Regulation (EU) No 910/2014 [i.15]
for creation and validation of advanced electronic signatures and seals when they are implemented as
AdES digital signatures.
The present document introduces general principles, objects and functions relevant when creating or validating
signatures based on signature creation and validation constraints and defines general classes of signatures that allow for
verifiability over long periods.
The following aspects are considered to be out of scope:
• generation and distribution of Signature Creation Data (keys, etc.), and the selection and use of cryptographic
algorithms;
• format, syntax or encoding of data objects involved, specifically format or encoding for documents to be
signed or signatures created; and
• the legal interpretation of any signature, especially the legal validity of a signature.
NOTE 2: The signature creation and validation procedures specified in the present document provide several
options and possibilities. The selection of these options is driven by a signature creation policy, a
signature augmentation policy or a signature validation policy respectively. Note that legal requirements
can be provided through specific policies, e.g. in the context of qualified electronic signatures as defined
in the Regulation (EU) 910/2014 [i.15].
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This document defines a set of lossless (bit-preserving) and lossy compression methods for coding continuous-tone, bi-level, grey-scale, colour digital still images, or multi-component images. This document: –     specifies extended decoding processes for converting compressed image data to reconstructed image data; –     specifies an extended codestream syntax containing information for interpreting the compressed image data; –     specifies an extended file format; –     specifies a container to store image metadata; –     defines a standard set of image metadata; –     provides guidance on extended encoding processes for converting source image data to compressed image data; –     provides guidance on how to implement these processes in practice.
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This document specifies low complexity enhancement video coding.
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Rec. ITU-T T.800 | ISO/IEC 15444-1 defines a set of lossless and lossy compression methods for coding continuous-tone, bi-level, greyscale or colour digital still images. This Recommendation | International Standard provides three independently created software reference implementations of Rec. ITU-T T.800 | ISO/IEC 15444-1, in order to assist implementers of Rec. ITU-T T.800 | ISO/IEC 15444-1 in testing and understanding its content. The packages are JASPER, JJ2000 and OPENJPEG. This Recommendation | International Standard also provides an independently created software reference implementation of Rec. ITU-T T.814 | ISO/IEC 15444-15, which specifies a high-throughput (HT) block coding algorithm that can be used in place of the block coding algorithm of Rec. ITU-T T.800 | ISO/IEC 15444-1, in order to assist implementers of Rec. ITU-T T.814 | ISO/IEC 15444-15 in testing and understanding its content. The package is TT. This Recommendation | International Standard additionally provides an independently created software reference implementation for parsing of a JP2 file format specified in Rec. ITU-T T.800 | ISO/IEC 15444-1 and a JPH file format specified in Rec. ITU-T T.814 | ISO/IEC 15444-15, The package is Codestream-parser. This Recommendation | International Standard does not define any additional part of the JPEG 2000 image coding system. Each version of the J2K reference software contains source code, which can be compiled to provide the following functionality: –     Transcoding from selected, widely available image formats into a JPEG 2000 codestream. –     Transcoding from selected, widely available image formats into the JP2 file format. –     Selection of a wide range of JPEG 2000 encoding options (as documented in each reference software). –     Decoding from a JPEG 2000 codestream to a range of selected widely available image formats. –     Processing of a JP2 file to extract a JPEG 2000 codestream for decoding and conversion to a range of selected widely available image formats. –     The ability to extract metadata from a JP2 file, including the contents of the Image Header box and the colour space. –     The decoding of JP2 files that use the three-component matrix-based form of the restricted ICC method for the specification of colour space and the conversion of the decoded image data to the sRGB colour space for display, including limited upsampling of all decoded components to the same resolution. –     The decoding of JP2 files that use the monochrome form of the restricted ICC method for the specification of colour space and the conversion of the decoded image data to the sRGB based greyscale space as defined within the JP2 file format. –     The decoding of JP2 files that use the sYCC colour space and the conversion of the decoded image data to the sRGB colour space for display, including upsampling of all decoded components to the same resolution. –     Some additional tools to help with evaluation and testing. The TT HTJ2K reference software contains source code, which can be compiled to provide the following functionality: –     Decoding from a HTJ2K codestream to a range of selected widely available image formats. The codestream-parser reference software contains source code, which can provide the following functionality: –     Parsing of JP2 file format; –     Parsing of JPH file format. The reference software is intended for use as a testing and validation tool for other implementations of JPEG 2000, and to help in the understanding of Rec. ITU-T T.800 | ISO/IEC 15444-1 and Rec. ITU-T T.814 | ISO/IEC 15444-15.
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This Recommendation | International Standard specifies the framework, concepts, methodology for testing, and criteria to be achieved to claim compliance to Rec. ITU-T T.800 | ISO/IEC 15444-1 or Rec. ITU-T T.814 | ISO/IEC 15444-15. It provides a framework for specifying abstract test suites (ATSs) and for defining the procedures to be followed during compliance testing. This Recommendation | International Standard: ‒     specifies compliance testing procedures for encoding and decoding using Rec. ITU-T T.800 | ISO/IEC 15444-1 and Rec. ITU-T T.814 | ISO/IEC 15444-15; ‒     specifies codestreams, decoded images, and error metrics to be used with the testing procedures; ‒     specifies ATSs; ‒     provides guidance for creating an encoder compliance test This Recommendation | International Standard does not include the following tests: Acceptance testing: the process of determining whether an implementation satisfies acceptance criteria and enables the user to determine whether or not to accept the implementation. This includes the planning and execution of several kinds of tests (e.g., functionality, quality, and speed performance testing) that demonstrate that the implementation satisfies the user requirements. Performance testing: measures the performance characteristics of an implementation under test (IUT) such as its throughput and responsiveness, under various conditions. Robustness testing: the process of determining how well an implementation processes data which contains errors.
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The present document specifies CAdES digital signatures. CAdES signatures are built on CMS signatures [7], by incorporation of signed and unsigned attributes, which fulfil certain common requirements (such as the long term validity of digital signatures, for instance) in a number of use cases. The present document specifies the ASN.1 definitions for the aforementioned attributes as well as their usage when incorporating them to CAdES signatures. The present document specifies formats for CAdES baseline signatures, which provide the basic features necessary for a wide range of business and governmental use cases for electronic procedures and communications to be applicable to a wide range of communities when there is a clear need for interoperability of digital signatures used in electronic documents. The present document defines four levels of CAdES baseline signatures addressing incremental requirements to maintain the validity of the signatures over the long term, in a way that a certain level always addresses all the requirements addressed at levels that are below it. Each level requires the presence of certain CAdES attributes, suitably profiled for reducing the optionality as much as possible. Procedures for creation, augmentation and validation of CAdES digital signatures are out of scope and specified in ETSI EN 319 102-1 [i.5]. Guidance on creation, augmentation and validation of CAdES digital signatures including the usage of the different properties defined in the present document is provided in ETSI TR 119 100 [i.4]. The present document aims at supporting digital signatures in different regulatory frameworks. NOTE: Specifically, but not exclusively, CAdES digital signatures specified in the present document aim at supporting electronic signatures, advanced electronic signatures, qualified electronic signatures, electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU) No 910/2014 [i.13].
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This document specifies the conformance and reference software for omnidirectional media format (specified in ISO/IEC 23090‑2). This document describes the reference software modules and the features that is supports. It also provides a description of how the reference software can be utilized. In addition, the document lists and describes test vectors comprising ISO base media file format files, media presentation descriptions, segments and combinations thereof that conform to ISO/IEC 23090‑2.
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This document defines various code points and fields that establish properties of a video (or still image) representation and are independent of the compression encoding and bit rate. These properties can describe the appropriate interpretation of decoded data or can, similarly, describe the characteristics of such a signal before the signal is compressed by an encoder that is suitable for compressing such an input signal.
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This document contains simulation software for the MPEG-H 3D audio standard as defined in ISO/IEC 23008‑3.
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This document specifies the transport and container formats for JPEG XL codestreams as specified in ISO/IEC 18181-1. This document specifies how to add metadata and extensions to JPEG XL codestreams. A file as described by this document is called a JPEG XL file.
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This document establishes the general requirements for electronic product labelling which can be applicable to all types of product regardless of industry.
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This document provides reference software for the coding technology specified in Recommendation ITU-T T.81 | ISO/IEC 10918-1. While the reference implementations also provide an encoder, conformance testing of their encoding process is beyond the scope of this document.
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This document specifies the encapsulation of image formats specified in the JPEG 2000 family of Recommendations | International Standards in the framework defined in ISO/IEC 23008-12.
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The primary purpose of the ISO/IEC 19763 series is to specify a metamodel framework for interoperability. This document specifies a metamodel for registering document models (or schemata). Examples of such document models include: —   specifications for XML documents (using XML schema[3]); —   specifications for JSON documents (using JSON schema[2]). This metamodel was developed taking into account the requirements for both XML schema and JSON schema, but is applicable to all current specifications for document models.
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This document defines the requirements for the symbology known as Han Xin Code. It specifies the Han Xin Code symbology characteristics, data encoding process, symbol structure, dimensions and print quality requirements, error correction rules, reference decoding algorithm, and user-selectable application parameters.
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This document provides guidance on transportation and its related or additional services using quick response (QR) codes for identification and authentication in data transfer, in order to make their services both convenient and advantageous for customers and service agents while protecting them from cheating and illegal action in data transfer.
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This document specifies the omnidirectional media format for coding, storage, delivery and rendering of omnidirectional media, including video, images, audio and timed text. Omnidirectional image or video can contain graphics elements generated by computer graphics but encoded as image or video. Multiple viewpoints, each corresponding to an omnidirectional camera, are supported. The document also specifies storage and delivery of overlay images or video intended to be rendered over the omnidirectional background image or video.
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The present document:
1) Specifies a JSON [1] format for AdES signatures (JAdES signatures hereinafter) built on JSON Web
Signatures (JWS hereinafter) as specified in IETF RFC 7515 [2]. For this, the present document:
- Extends the JSON Web Signatures specified in IETF RFC 7515 [2] by defining an additional set of
JSON header parameters that can be incorporated in the JOSE Header (either in its JWS Protected
Header or its JWS Unprotected Header parts). Many of these new header parameters have the same
semantics as the attributes/properties defined in CAdES [i.2] and XAdES [4] digital signatures. Other
header parameters are defined to meet specific requirements that current JSON Web Signatures cannot
meet (e.g. for explicitly referencing detached JWS Payload). These new header parameters and their
corresponding types are defined in a JSON schema.
- Specifies the mechanisms for incorporating the aforementioned JSON components in JSON Web
Signatures [2] to build JAdES signatures, offering the same features as CAdES and XAdES in JSON
syntax, and therefore fulfilling the same requirements (such as the long-term validity of digital
signatures).
2) Defines four levels of JAdES baseline signatures addressing incremental requirements to maintain the validity
of the signatures over the long term. Each level requires the presence of certain JAdES header parameters,
suitably profiled for reducing the optionality as much as possible. The aforementioned levels provide the basic
features necessary for a wide range of business and governmental use cases for electronic procedures and
communications to be applicable to a wide range of communities when there is a clear need for
interoperability of digital signatures used in electronic documents.
EXAMPLE: An example of requirements raised in specific domains is signing HTTP messages exchanged by
parties in certain environments, which require signing both the HTTP body and some specific http
headers. The format specified in IETF RFC 7515 [2] does not provide any native mechanism for
individually identifying a detached JWS Payload. Clause 5.2.8 of the present document defines
sigD, a new JSON header parameter that allows to identify one or more detached data objects
which, suitably processed and concatenated, form the detached JWS Payload.
Procedures for creation, augmentation, and validation of JAdES digital signatures are out of scope.
NOTE 1: ETSI EN 319 102-1 [i.3] specifies procedures for creation, augmentation and validation of other types of
AdES digital signatures.
The present multi-part deliverable aims at supporting electronic signatures independent of any specific regulatory
framework.
NOTE 2: Specifically, but not exclusively, it is the aim that JAdES digital signatures specified in the present
multi-part deliverable can be used to meet the requirements of electronic signatures, advanced electronic
signatures, qualified electronic signatures, electronic seals, advanced electronic seals, and qualified
electronic seals as defined in Regulation (EU) No 910/2014 [i.1].
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This document specifies the syntax, semantics and decoding for visual volumetric media using video‑based coding methods. This document also specifies processes that can be needed for reconstruction of visual volumetric media, which can also include additional processes such as post‑decoding, pre-reconstruction, post‑reconstruction and adaptation.
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This document specifies immersive media metrics and the measurement framework. The immersive media metrics can be collected by service providers and used to enhance the immersive media quality and experiences. This document also includes a client reference model with observation and measurement points for collection of the metrics.
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This document defines a test method to evaluate the interference rejection performance of tags covered by ISO/IECÂ 18000-63 and a heterogeneous wireless system using different access technologies, e.g. radio frequency identification and cell phone network. It specifies the general requirements and test requirements. The test method in this document makes it possible to compare the relative interference rejection performance among tags under a single wireless interference environment. In addition, this document can be used in a benchmarking test according to requirements in a given application or service.
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This document specifies the assessment of conformance to ISO/IEC 15938-15 as well as the reference software.
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The present document provides an overview of the Recommendation ITU-T X.509 | ISO/IEC 9594-8 [i.3] based
certificate profiles and the statements for EU Qualified Certificates specified in other parts of ETSI EN 319 412 ([i.4] to
[i.7]). It specifies common data structures that are referenced from other parts of ETSI EN 319 412 ([i.4] to [i.7]).
The profiles specified in this multi-part deliverable aim to support both the Regulation (EU) No 910/2014 [i.9] and use
of certificates in a wider international context. Within the European context, it aims to support both EU Qualified
Certificates and other forms of certificate.
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The present document specifies generally applicable policy and security requirements for Trust Service Providers
(TSPs) issuing public key certificates, including trusted web site certificates.
The policy and security requirements are defined in terms of requirements for the issuance, maintenance and life-cycle
management of certificates. These policy and security requirements support several reference certificate policies,
defined in clauses 4 and 5.
A framework for the definition of policy requirements for TSPs issuing certificates in a specific context where
particular requirements apply is defined in clause 7.
The present document covers requirements for CA hierarchies, however this is limited to supporting the policies as
specified in the present document. It does not include requirements for root CAs and intermediate CAs for other
purposes.
The present document is applicable to:
• the general requirements of certification in support of cryptographic mechanisms, including digital signatures
for electronic signatures and seals;
• the general requirements of certification authorities issuing TLS/SSL certificates;
• the general requirements of the use of cryptography for authentication and encryption.
The present document does not specify how the requirements identified can be assessed by an independent party,
including requirements for information to be made available to such independent assessors, or requirements on such
assessors.
NOTE: See ETSI EN 319 403 [i.2] for guidance on assessment of TSP's processes and services. The present
document references ETSI EN 319 401 [8] for general policy requirements common to all classes of
TSP's services.
The present document includes provisions consistent with the requirements from the CA/Browser Forum in EVCG [4]
and BRG [5].
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The present document specifies policy and security requirements for the issuance, maintenance and life-cycle
management of EU qualified certificates as defined in Regulation (EU) No 910/2014 [i.1]. These policy and security
requirements support reference certificate policies for the issuance, maintenance and life-cycle management of EU
qualified certificates issued to natural persons (including natural persons associated with a legal person or a website)
and to legal persons (including legal persons associated with a website), respectively.
The present document does not specify how the requirements identified can be assessed by an independent party,
including requirements for information to be made available to such independent assessors, or requirements on such
assessors.
NOTE: See ETSI EN 319 403 [i.6] for guidance on assessment of TSP's processes and services. The present
document references ETSI EN 319 411-1 [2] for general requirements on TSP issuing certificates.
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The present document specifies general policy requirements relating to Trust Service Providers (TSPs) that are
independent of the type of TSP. It defines policy requirements on the operation and management practices of TSPs.
Other specifications refine and extend these requirements as applicable to particular forms of TSP. The present
document does not specify how the requirements identified can be assessed by an independent party, including
requirements for information to be made available to such independent assessors, or requirements on such assessors.
NOTE: See ETSI EN 319 403 [i.6] for details about requirements for conformity assessment bodies assessing
Trust Service Providers.
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This document describes common industry representation practices for the usage of video signal type code points, as these properties are conveyed across video content production and distribution carriage systems.
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This document provides general information about coding efficiency measurement practices for video coding. This document does not provide recommendations for evaluating video quality; it describes the practices that have recently been followed for coding efficiency experiments conducted during work to develop video coding standards.
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This document specifies a series of interfaces to allow disparate systems an interoperable management of image repositories. It also specifies the general rules which govern the usage of metadata in JPSearch and provides a specification which provides rules for the representation of image metadata descriptions, consisting of the definition of the JPSearch Core Metadata Schema, provides rules for the publication of machine-readable translations between metadata terms belonging to proprietary metadata schemas and metadata terms in the JPSearch Core Metadata Schema, and provides rules for the registration and request of metadata schemas and its translation rules or links to them. JPSearch is an extensible standard. The method of extending the structures and rules beyond the JPSearch Core Metadata Schema is provided in this document.
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This document specifies a coded codestream format for storage of light field modalities as well as associated metadata descriptors that are light field modality specific. This document also provides information on the encoding tools.
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IEC 61937-15:2021 describes the method to convey non-linear PCM bit streams in accordance with the Auro-Cx format.
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