T/AI 122-2023 Active

Scope: This document specifies the main technical requirements and measurement methods for video decoders that use T/AI 109.2 (abbreviated as AVS3). This document is applicable to the development, testing, production, use, and maintenance of AVS3 decoders. Main technical content: Based on the current practical application of AVS3 decoders, this document stipulates the technical requirements and measurement methods for decoders. The technical requirements for AVS3 decoders include: functional and physical interface requirements, decoding audio and video parameter requirements, ASI input interface technical requirements, 4×12G-SDI output interface technical requirements, video technical requirements, audio technical requirements, and decoding image quality technical requirements. The measurement methods for AVS3 decoders include: measuring bit rate, measuring the technical indicators of the ASI input interface, measuring the technical indicators of the 4×12G-SDI output interface, measuring video technical indicators, measuring audio technical indicators, and measuring decoding image quality.