Waveform Generator Signal Format Conversion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing digital video systems face challenges in converting digital video signals between different signal formats, which can lead to playback issues due to incompatible formats between digital video display devices.
Innovation Solution
A waveform generator comprising memory units and an integrating unit that stores and generates line patterns to convert image data from one signal format to another, utilizing synchronization signals to determine which scan line patterns and data to integrate for generating compatible image data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a digital video display device is designed to be compatible with a specific signal format, then it can play digital video signals of that specific format, but it cannot play digital video signals of other formats without conversion
Solution Approach 1:
The patent introduces a waveform generator as an intermediary device that converts digital video signals from a first signal format to a second signal format. The waveform generator includes a first memory unit storing line patterns, a second memory unit storing first line data, and an integrating unit that generates second line data by integrating the line patterns with the first line data according to synchronization signals, thereby enabling format conversion without requiring the display device itself to support multiple formats
Solution Approach 2:
The patent changes the parameters of the digital video signal through the waveform generator, which modifies the line data and synchronization signals to transform the signal from one format to another. The integrating unit generates second line data by integrating stored line patterns with input first line data, effectively changing the signal format parameters to match the target display device requirements
2Adaptability or versatility
If different signal formats are used for digital video signals, then various display resolutions and formats can be supported, but playback issues occur due to incompatible formats between digital video display devices
Solution Approach 1:
The waveform generator uses synchronization signals as feedback to determine which scan line patterns and data to integrate. The synchronization signals provide information about the current signal format and timing, allowing the integrating unit to correctly combine the line patterns from the first memory unit with the first line data from the second memory unit to generate appropriately formatted second line data for the target display device
Solution Approach 2:
The waveform generator serves as a mediator between the source digital video signal and the display device, converting incompatible formats into compatible ones. By storing multiple line patterns and using the integrating unit to generate appropriate second line data based on synchronization signals, the waveform generator ensures reliable playback across different display devices with various resolution requirements
Data Source
AI summary
The invention relates to a waveform generator and the related method thereof for generating a second image data according to a first image data, wherein the first image data and the second image data correspond to different signal formats. The waveform generator includes: a first memory unit, a second memory unit, and an integrating unit. The first memory unit stores a plurality of scan line patterns. The second memory unit stores at least one first scan line data of the first image data, where each first scan line data corresponds to a scan line. The integrating unit is coupled to the first and the second memory units and generates each second scan line data of the second image data according to the plurality of scan line patterns or each first scan line data of the first image data.