How to choose the right micro hdmi cable ?

In the DVD era a few years ago, component output interface is the highest standard interface mode, while HD-DVD, Blu-ray player and PS3, Xbox360 consoles, provides micro hdmi cable, as the fight-screen LCD display devices, and plasma TVs, LCD monitors and even on some computers, are also equipped with HDMI interface.
HDMI interface supports full HD image transmission, but also can transmit digital audio. HDMI 1.2 is now widely used version, the transmission bandwidth of about 5Gbps, 160Mhz, 24bit color. For non-commercial use, is perfectly adequate. Version 1.3 may also spread will increase exponentially in the future, bandwidth and data transfer capability. USB extension cable on the market has a brand-name, the price difference is also great, if you need to buy expensive HDMI cables do? Cheap effect will that bad? I believe that we can not simply choose to price. Although generally speaking, you pay for, but there are a lot of businesses use this kind of psychological, fish Kengpian consumers. HDMI cable are digital transmission lines, similar to a computer's VGA, hdmi to dvi cable  probably no one will care whether they use a VGA cable is luxuries, as long as connected, as long as the image quality depends mainly on the monitor and graphics card, almost nothing to do with the wire . HDMI also be the case, digital transmission itself is a strong anti-interference ability, not because of the quality of the wire, causing the signal disturbance. Should pass through the line. But micro hdmi cable still have a choice of demand, especially when you need a long HDMI cable, good quality HDMI cable, apparently able to improve noise immunity. HDMI connection could theoretically allow more than 20m distance, if too far away, or because the signal attenuation and interference, making it impossible to properly transmit data.