Wireless HDMI Overview
HDMI is the abbreviation of the High Definition multimedia interface. These cables are used to convert your HD video and audio signal from an uncompressed source to a compressed source using a device. HDMI and all types of such cables carry signals in analog form and convert them into digital form for transmission.
Structure of HDMI cables
HDMI cables have 19 separate wires inside it which carry audio, video and digital signal at high speed. This data is then converted to three different color channel and a clock channel.
Kinds of HDMI cable
There are two different types of HDMI cables. Each one of them is differentiated on the basis of features and functionalities they offer.
Standard HDMI cables
They are called as category 1 type of HDMI cables. They have a pixel speed of 75MHZ almost and a bandwidth of 2.23GBps, which is great for carrying an uncompressed signal of 1080i.
High-speed HDMI cables
These are category 2 HDMI cables. Their pixel speed is 340MHZ with a bandwidth of 10.2GHZ. They are designed to handle the latest 1440P and WQXGA resolutions.
Advantages of HDMI
High Quality
HDMI cables provide the best quality transmission with the loss-less signal. Video’s resolution quality is outstanding even at low brightness. Texts and the image appear sharper, vibrant and bright.
Intelligent
These are the intelligently and efficiently designed cables which make the automatic configuration and external intervention is minimized.
Authenticated and Encrypted
HDMI cables are authenticated to ensure that the devices receive content sent by the enabled sources. The authentication support also helps to make sure that the people don’t copy or pirate the content sent through them.
Content’s originality
HDMI cables make sure that the content is transmitted and viewed in its original form. The signal degradation is not noticeable.
Only one Cable
There is only one cable that contains 19 small wires inside it which carry digital, audio and video signals inside it. No separate cables are required for every function.
Vibrant Colours and great detail quality
HDMI cables have 10 bit, 12 bit and 16-bit color depth versions which provide brighter and vibrant colors with good details.
Disadvantages of HDMI
- Sometimes authentication errors could occur which can cause delays.
- HDMI cables are a bit expensive than other signal transmitting devices.
- HDMI cables cannot transmit multi-channel stereo signals, which becomes a problem in multi-room installations.