[RichardCoulter]

Originally Posted by andy_m

So by that reckoning using gold contacts on the cable would result in corrosion on the non gold (and so dissimilar) contacts on the tv or stb???

Perhaps we should lobby VM and TV manufacturers to make the contacts from gold

---------- Post added at 15:29 ---------- Previous post was at 15:28 ----------

Originally Posted by spiderplant

HD has a higher data rate than SD, and the cables need to have certain electrical properties to carry the required data rates.


HDMI is a two-way digital connection, where the TV can send the STB information about it's capabilities.
See http://en.wikipedia.org/wiki/Extende...ification_data

---------- Post added at 14:27 ---------- Previous post was at 14:17 ----------

Incidentally - the trade price of gold-plated HDMI cables starts at $0.10

http://lancom.en.alibaba.com/product...DMI_CABLE.html

Thanks for explaining it, I have often wondered about this.