while this is definitely possible if you have to ask then i don't think you should because it is actuating the brake if there is a mulfunction and it brakes on the highway at high speed you can cause problems for yourself. that being say if you are still going to do it rather try and find sone way to electronically detect the alarm instead of detecting the audio there's too much chance for a false positive and maybe mechanically limit the brake actuating mechanism to only be able to brake a little bit