Comparison of radio systems
Introduction Many of the world's radio stations broadcast in a variety of analog and digital formats. This page will list and compare them in chart form.__TOC__
Table +'''World radio systems (Terrestrial)''' System Type Modulation Data rate Sidebands? Ch. Bandwidth (KHz) Radio spectrum Sound Codec Digital subchannels SFN Metadata/RDS/RBDS AM radio  Analog radio  Amplitude Modulation  N/A   ? 18–20 kHz  148.5-283.5 kHz (Longwave)510–1610 kHz (Europe)510–1710 kHz (USA and Canada)  N/A  N/A  No  None Motorola C-QUAM  Analog radio (AM stereo)  QAM  N/A   ? 18–20 kHz  510–1610 kHz (Europe 510–1710 kHz (USA and Canada)  N/A  N/A  No  None DAB  Digital radio  OFDM (DQPSK)  around 1000 kbit/s (4 channels up to 256 kbit/s)  ? 1500 kHz  VHF-High/174-240 MHz,L-band/1452-1492 MHz  MPEG-Layer 2  Yes, typically 4-6 "stations" per channel  Yes  Yes DAB+  Digital radio  OFDM (DQPSK)  up to 256 kbit/s  ? 1500 kHz  VHF-High/174-240 MHz,L-band/1452-1492 MHz  HE-AAC  No  Yes  Yes Digital Radio Mondiale  Digital radio   COFDM (QAM)  up to 72 kbit/s  ? 4.5–5 kHz (hybrid mode),9–10 kHz,18-20 kHz  510-1610 kHz (Europe),510–1710 kHz (USA and Canada),SW, LW  MPEG-4 HE-AAC/CELP/HVXC  Yes, via IBOC  No? Yes FM radio  Analog radio  Frequency Modulation  N/A   ? 200 kHz 87.5-108 MHz,76-90 MHz (Japan),65.8-74 MHz (USSR) N/A  N/A  None  Yes (depending on station) HD Radio  Hybrid/Digital radio  COFDM-HDC (SBR)  up to 60 kbit/s on AM,up to 300 kbit/s on FM  ? 20–30 kHz on AM band ±5 kHz (on adjacent channel),up to 400 kHz on FM band (2 full FM channels)  510–1710 kHz, 87.5-108 MHz  HDC  up to 7 (3 full-power, 4 low-power) subchannels (FM)  No? Yes
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