STANDARD. ISO/IEC. Second edition. AMENDMENT Information technology — Coding of audio-visual objects —. Part 4. ISO/IEC /AMD Standard | Amendment 45 – Information technology – Coding of audio-visual objects – Part 4: Conformance. ISO/IEC /AMD Standard | Amendment 43 – Information technology – Coding of audio-visual objects – Part 4: Conformance.
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This document is a draft of a conformance test specification for the multi-resolution frame compatible stereoscopic video coding extension of the Advanced Video Coding standard. AFX conformance extensions Iiso In addition, some test bitstreams implemented according to those guidelines are provided as an electronic annex to this document. AFX reference software extensions Software. Decoder characteristics define the properties and capabilities of the applied decoding process.
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Conformance testing Bitstreams Visual new levels and tools Bitstreams These tests can be used for various purposes such as: This document gives guidelines on how to construct bitstream test suites to check or verify decoder conformance. Conformance extensions for error resilient simple scalable jso Bitstreams Conformance extensions for error resilient simple scalable profile.
Examples are the applied values or range of the picture size and bitrate parameters. A bitstream can be decoded by a decoder if the characteristics of the coded bitstream are within the subset of the standard specified by the decoder capabilities.
The flexibility is obtained by including parameters in the bitstream that define the characteristics of coded bitstreams. An example of a property is the applied arithmetic accuracy. Advanced Video Coding conformance Bitstreams Guidelines are given on constructing tests to verify bitstream and decoder conformance.
Examples are the audio sampling frequency, picture size, picture shape, picture rate, bitrate parameters, synchronisation timestamps, the association of bitstreams and synthetic objects within objects, the association of objects within scenes, the protection of bitstreams, objects and scenes.
The capabilities of a decoder specify which coded bitstreams the decoder can decode and reconstruct, by defining the subset of the standard that may be exploited in decodable bitstreams. The characteristics of a 144964- define the subset of the standard that is exploited in the bitstream. These tests can be used for various purposes such as:.