Hdmi 1.3 – What You Need To Know
Background:
The definite rule in the information age is: “if it can be digitized, it will.”
The transition from analog to digital in the video world has been quick and a key enabler of this has been Hdmi, High Definition Multimedia Interface. Virtually all Hd tool utilizes Hdmi to vehicle audio/video from the sources to the display. The original rendition of Hdmi, Hdmi 1.0 was released back in 2002 and has been the de facto accepted for Hd Video transmission. As the digital revolution has continued, Hdmi has also evolved from 1.0, 1.1, 1.2 and mostly recently Hdmi 1.3.
Revision History:
Hdtv
Hdmi 1.0 -Single-cable digital audio/video connection with a maximum bit rate of 4.9 Gbps. Supports up to 165Mpixels/s video (1080p60 Hz or Uxga) and 8-channel/192 kHz/24-bit audio.
Hdmi 1.1 – Added retain for Dvd audio
Hdmi 1.2 -Added retain for One Bit Audio, used on Super Audio Cds, up to 8 channels. Quality for Pc sources to use native Rgb color-space while retaining the option to retain the YcbCr Ce color space.
Hdmi 1.3- Increases single-link bandwidth to 340 Mhz (10.2 Gbps)
-Optionally supports 30-bit, 36-bit, and 48-bit xvYcc with Deep Color or over one billion colors, up from 24-bit sRgb or YcbCr in former versions.
-Incorporates self-acting audio syncing (lip sync) capability.
-Supports yield of Dolby TrueHd and Dts-Hd specialist Audio streams for external decoding by Av receivers.
-Availability of a new mini connector for devices such as camcorders.
Do I need Hdmi 1.3:
You will still get improbable Hd photo Quality with Hdmi 1.1 and 1.2, both retain 1080P. Hdmi 1.3 is backwards compatible with former versions of Hdmi. Getting Hdmi 1.3 display and Hdmi sources will enable you to take advantage of the extra highlight enhancements available. If you are in the shop for a new Hdtv, then it would be advisable to get one with Hdmi 1.3 support. However, you should look for the specific features that are supported.
Hdmi 1.3 – what is different:
On the physical layer level, all Hdmi versions use Transmission Minimized Differential Signaling, Tmds and the physical connector looks identical. The major enhancements of Hdmi 1.3 are:
Expanded Data Rate Support
Hdmi 1.2 supports combination data rate of 4.95 Gbps.
In order to ensure that Hdmi is the connectivity of the future, Hdmi 1.3 has provisions to eventually double the bandwidth from 4.95 Gbps to 10.2 Gbps. For comparative purpose, Usb 2.0 has a maximum data change rate of 480 Mbps, 1/20 of the data rate of Hdmi 1.3.
Although, Hdmi 1.3 has provision for up to 10.2Gbps, the transition will be gradual with the first devices ready to perform 6.75Gbps initially.
Deeper Color and higher resolution
The increased bandwidth in Hdmi 1.3 enables higher display resolutions beyond the typical 1920x1080P resolution and improved color depth. For example, Hdmi 1.2 allows 8 bits/ pixel to be allocated for color information. In version 1.3, Hdmi has provisions to retain 10, 12 and 16 bit color/ pixel thus allowing for even improvement in photo quality.
Lip Synch Correction
The contemporary Hdtv performs complex digital processing to the incoming video signal such as de-interlacing, format conversion, noise allowance and etc. The digital video processing takes finite time to execute and must be synchronized with the audio part of the incoming signal to ensure that both video and audio are synchronized and no delay is perceived. Most Hdtv have payment to ensure that the audio and video are properly synchronized However, many consumers will likely process the audio separately in a surround sound system. Hdmi 1.3’s lip synch highlight allows the audio and video signal to be synchronized to external Hdmi devices.
Mini Connector
Hdmi 1.3 has also added an optional mini Hdmi connectors so handheld Hd video devices such as Hd video cameras can also use Hdmi for Hd connectivity.
What is still the same
Hdmi 1.3 is fully backwards compatible with former versions of Hdmi. So if your display supports 1.2 and your source is 1.3 capable. The source and display will arbitrate for the best ready format. Hdcp, although not required by Hdmi 1.3, still enables Hdcp to be implemented over the Hdmi interface.
Hdmi 1.3 – What You Need To Know
My Links : MODERN SKIN CARE ADVICE
Did you enjoy this post? Why not leave a comment below and continue the conversation, or subscribe to my feed and get articles like this delivered automatically to your feed reader.
Comments
No comments yet.
Leave a comment