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Harmonic Video Product

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.

Introduction to the Control Principles of Harley ProStream X Web

Harmonic ProStream X is a software-based audio and video stream processing and gateway product. It provides top-tier high-performance stream processing primarily for transmission applications such as broadcasting, cable, satellite, terrestrial, IPTV, and OTT. Benefiting from various advanced video processing features, it offers essential functionalities including multiplexing, scrambling, splicing, and power failover. It has a wide market share in critical transmission and broadcasting fields, with many users praising its stability and ease of use.