i have a laptop i watch movies on and i have an hdtv.And i have 3 amplifiers with a headphone that goes through all of them.How would i have audio coming through amplifier surround sound and hdmi go thrgough tv.Now the amplifiers do not have any ports but headphone ports they are small and i have one car amplifier and regular mini amplifier,and a computer sound speakers and subwoofer all going to one headphone splitter that goes into whatever devcie wants sound to go through.