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Stream Analysis

Technical Implementation Guide for Unified Channel Numbering of Cable TV Simulcast Channels (2025 Edition)

To address the confusion and operational complexities faced by users due to the broadcasting of ultra-high-definition channels in 2025 by Beijing, Guangdong, and eight other provinces, where the same channel is available in different technical formats (ultra-high-definition, high-definition, standard-definition) occupying multiple channel numbers, the National Radio and Television Administration released the "Technical Implementation Guide for Unified Channel Numbering of Cable Television (2025 Edition)" in November 2025.

Audio and Video Analysis and Testing - Solutions

Broadcasting stations require routine testing and measurement of a series of audio and video signals within the system to ensure normal and stable operation. Additionally, the system must be able to quickly identify and resolve faults when they occur. To meet these diverse needs, PHABRIX in the UK offers a range of portable and rack-mounted solutions for signal generation, analysis, and monitoring.