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High-Definition Multimedia Interface (HDMI®)
Abstract
HDMI® technology has become ubiquitous in connecting high-definition and emerging 4K/ultra high-definition digital devices. The HDMI specification combines uncompressed high-definition video, multichannel audio, and data in a single digital interface to provide crystal-clear digital quality over a single cable. With its robust performance, broad feature support, ease of use, low cost, and worldwide adoption in the industry, HDMI-enabled devices now extend beyond the original consumer electronics applications to include portable, automotive, and commercial applications. The specification development history, an overview of the technology features and capabilities, its applications, and licensing requirements for HDMI-compliant products are covered in this chapter.
... Most commonly VGA, HDMI, DVI etc., interfacing standards are used by display devices, such as TV, monitor, etc. Among these standards, HDMI standard is the most commonly used in newly manufactured display devices due to its support of uncompressed high quality audio and video interfaces through a single cable [29]. ...
In most of the real time video processing applications, cameras are used to capture live video with embedded systems/Field Programmable Gate Arrays (FPGAs) to process and convert it into the suitable format supported by display devices. In such cases, the interface between the camera and display device plays a vital role with respect to the quality of the captured and displayed video, respectively. In this paper, we propose an efficient FPGA-based low cost Complementary Metal Oxide Semiconductor (CMOS) camera interfacing architecture for live video streaming and processing applications. The novelty of our work is the design of optimised architectures for Controllers, Converters, and several interfacing blocks to extract and process the video frames in real time efficiently. The flexibility of parallelism has been exploited in the design for Image Capture and Video Graphics Array (VGA) Generator blocks. The Display Data Channel Conversion block required for VGA to High Definition Multimedia Interface Conversion has been modified to suit our objective by using optimised Finite State Machine and Transition Minimiszed Differential Signalling Encoder through the use of simple logic architectures, respectively. The hardware utilization of the entire architecture is compared with the existing one which shows that the proposed architecture requires nearly 44% less hardware resources than the existing one.
LLC (11/2011) HDMI specification 1
- Hdmi Licensing