bitbeat=input=>(~input/2<<7)+64,code=(t>>4&t>>3|t>>5&t>>2|t>>3&t>>10|t>>11&t>>9),code2=t>>4|t>>12^t>>6|t>>8&t>>10|t>>9&(t>>11^t>>14),[bitbeat(code),bitbeat(code2)]//.reduce((leftchannel,rightchannel)=>(leftchannel&255)/2+(rightchannel&255)/2)