 varu upayoegimchae signal ‌ l vargham aadhaaramga kindhi vatini vargeekarinchandi .
 rdi taramgaalu ,  television taramgaalu ,  dhwani taramgaalu ,  kampyootarlu ,  digitally phonlu ,  digitally pennulu 
 analogue signal -  rdi taramgaalu ,  television taramgaalu ,  dhwani taramgaalu 
 digitally signal -  kampyootarlu ,  digitally phonlu ,  digitally pennulu 