Signal Switching Apparatus Mode Selection for Video Processing
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Solution Overview
Problem
Existing signal switching apparatuses lack efficient methods to utilize hardware for processing both HD and 4K video signals, leading to suboptimal use of resources and limitations in handling different video frame formats.
Innovation Solution
A signal switching apparatus with multiple video image processing units, a controller, and a graphical user interface (GUI) that allows selection between HD mode and quartering-4K mode, enabling the units to operate effectively in either mode based on user input, with specific configurations for square division and 2-sample interleave division standards, and utilizing keyer circuit blocks for generating key signals in quartering-4K mode.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the signal switching apparatus is designed to process both HD and 4K video signals with multiple operation modes, then the adaptability and versatility of the hardware is improved, but the device complexity increases due to the need for multiple video image processing units and mode switching mechanisms
Solution Approach 1:
The video image processing units are designed to perform multiple functions by supporting both HD mode and quartering-4K mode operations. The same hardware units can process different video signal formats (1080P, 720P, 4K) by switching between operational modes, eliminating the need for separate dedicated processing units for each format and thereby reducing overall device complexity while maintaining versatility
Solution Approach 2:
The signal switching apparatus implements dynamic mode switching capability where the video image processing units can change their operational state between HD mode and quartering-4K mode based on input signal characteristics. This dynamic adaptability allows the system to optimize its processing configuration in real-time, improving versatility without requiring fixed complex hardware for all possible scenarios
2Productivity
If the video image processing units operate in quartering-4K mode to process 4K video frames, then the productivity and resource utilization are improved, but the manufacturing precision and configuration complexity increase due to specific division standards
Solution Approach 1:
The system implements parameter change capability by allowing dynamic selection between square division standard and 2-sample interleave division standard for quartering-4K mode. This enables the video image processing units to adjust their processing parameters based on the specific 4K signal being processed, optimizing resource utilization while providing flexibility in configuration to manage complexity
Data Source
AI summary
A signal switching apparatus includes multiple video image processing units, a controller configured to control operation of the video image processing units, and a graphical user interface (GUI) configured to receive input of a selection between an HD mode and a quartering-4K mode which are operation modes of the video image processing units. The controller controls the video image processing units so that the video image processing units operate in the HD mode or quartering-4K mode, on the basis of a selection inputted to the GUI.