Static when I use HDMI Thunderbolt Adapter

Hi everyone,

I´ve got a problem when I connect HDMI Thunderbolt Adapter at my Mac Pro 2012 OSX 10.9. I use this machine at Home Studio. I have a pair of Yamanha HSM80 Monitor plugged at an external audio interface AKAI EIE Pro. When I plug de thunderbolt adapter at my Smart TV (I only use it as Video Monitor) it begins a loud static sound. When I unplug the adapter this noise stops. I am using Apple original acessories. In preferences, I switch to AKAI EIE Pro drive. I put the volume of SMART TV at ZERO and the noises always appears!

Please, could you help me with this issue.

Thanks

Alex Machado