Baseband Video Composition Module for Synchronized Content Insertion
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Solution Overview
Problem
Broadcasters face high costs and inefficiencies in inserting additional content like advertisements into video programs due to the need for multiple devices and approximate synchronization when using compressed formats, leading to suboptimal quality of service.
Innovation Solution
A device and method that allow for the insertion of additional content in baseband format, enabling image-accurate synchronization by using a broadcasting device with an acquisition, production, composition, and coding module, supervised by a common control module, which processes images in uncompressed format and generates metadata for optimized coding strategies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If broadcasters use compressed format for inserting additional content, then equipment cost is reduced, but synchronization precision deteriorates
Solution Approach 1:
The system segments the video processing workflow into distinct modules: acquisition module for obtaining main programs, production module for creating additional content, composition module for combining them in baseband, and coding module for compression. This segmentation allows synchronization to be managed at the baseband level before compression, ensuring precision while using cost-effective equipment.
Solution Approach 2:
The invention introduces a baseband composition module as an intermediary between the compressed content sources and the final encoding stage. This intermediary processes images in uncompressed format, enabling precise synchronization of additional content with main programs before the data undergoes compression, thus maintaining synchronization precision without requiring expensive production studio equipment throughout the entire chain.
2Measurement precision
If broadcasters use baseband format for inserting additional content, then synchronization precision is improved, but equipment cost increases
Solution Approach 1:
The system segments the video processing workflow into distinct modules: acquisition module for obtaining main programs, production module for creating additional content, composition module for combining them in baseband, and coding module for compression. This segmentation allows synchronization to be managed at the baseband level before compression, ensuring precision while using cost-effective equipment.
Solution Approach 2:
The composition module serves multiple functions: it receives compressed main programs, decodes them to baseband, combines additional content with precise synchronization, and prepares the composite for encoding. This multi-functionality eliminates the need for separate expensive production studio equipment, achieving baseband processing capabilities within a more cost-effective broadcast environment.
3Adaptability or versatility
If multiple devices are provided for different broadcast modes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The broadcasting device is designed as a universal system that can handle multiple broadcast modes (satellite, terrestrial, cable, ADSL, 4G) through a single integrated architecture. The composition module processes content in baseband format that can be encoded for various transmission networks, eliminating the need to multiply equipment for different broadcast modes while maintaining full adaptability.
Solution Approach 2:
The system maintains adaptability to different broadcast modes by changing encoding and transmission parameters rather than requiring different hardware architectures. The baseband composition produces standardized output that can be adapted to various compression formats and transmission protocols through software configuration, reducing device complexity while preserving versatility.
Data Source
AI summary
The invention concerns a device for inserting additional video content (inlays, secondary programs) into a main video program. Said device works in baseband within a single encoding box under the control of a common supervisor. The supervisor is configured to pass metadata associated with the images to the coder, said metadata comprising temporal, spatial and dynamic data relating to the planning of the insertion, and analysis data for the image files, which analysis data have been produced prior to the insertion. The coder receives said metadata and is configured to deduce therefrom optimization strategies for the coding that are implemented by line coding and file coding processes that are capable of being carried out simultaneously or sequentially.