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24I25-IJAET0825340-v8-iss1-pp2116-2122

II. 

K

EY 

F

EATURES OF 

DRM

 

 

 



 

DRM can deliver FM-comparable sound quality on frequencies below 30 MHz and beyond 

up to VHF band that enables very-long-distance signal propagation.  

  DRM  uses in-band  on-channel (IBOC)  technology  and  can  operate in  a  hybrid  mode  called 



Single Channel Simulcast.   

  DRM has been designed especially to use portions of older AM transmitter facilities such as 



antennas, avoiding major new investment. 

  DRM is robust against the fading and interference.  



  The  encoding  and  decoding  is  performed  using  digital  signal  processing,  so  that  a  cheap 

embedded computer with a conventional transmitter and receiver can perform. 

  DRM can transmit other data besides the audio channels.  




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