Shenzhen Sunhope Photoelectricity Co.,Ltd.

HDMI (High Definition Multimedia Interface) is based on DVI technology, it can be seen as the strengthening and extension of the DVI technology.HDMI can provide 5Gbps data transmission bandwidth for 1080p resolution and supports all standard HDTV,DVD Audio and other advanced digital audio formats. It support multi-channel 96kHz or stereo 192kHz digital audio transmission.It has only one HDMI line and can be used in remove the digital audio connection. Meanwhile,HDMI without D / A or A / D conversion before signal transmission,so it can guarantee the highest quality audio and video signal transmission.
HDMI as a dedicated interface used to transmit high-definition signals,its version has been developed from 1.1 to 1.3. Compared with old versions,there are several new features and functions:
1. Bandwidth improved from 5Gb / s to 10Gb / s;
2. Color improved from 24bit to 48bit;
3. Support the xvYCC wide color gamut;
4. Support DOLBY TRUE HD and DTS-HD;
5. Add lip-sync technology,solve audio and video are not synchronized;
6. New mini connector.Now,HDMI as a bridge between  display device and audio-visual device,has been new generation of digital audio-visual equipment standards.According to statistics,HDMI electronics products only 250 thousand units in 2003.While in 2007,the number of HDMI products increased to 150 million.
However, almost all of the HDMI products are only limited to digital television and DVD series.We have design a smart LED display controller with HDMI 1.3 technology.HDMI technology has applied to the LED display industry and great improve LED display performance and effectiveness.