- Comparison of radio systems
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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.
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)
530–1610 kHz (Europe)
530–1710 kHz (USA and Canada)N/A N/A No None Motorola C-QUAM Analog radio (AM stereo) QAM N/A ? 18–20 kHz 530–1610 kHz (Europe
530–1710 kHz (USA and Canada)N/A N/A No None DAB Digital radio OFDM (DQPSK) around 1000 kbps (4 channels up to 256 kbps) ? 1500 kHz VHF-High/174-240 MHz,
L-band/1452-1492 MHzMPEG-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 MHzHE-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 kHz530-1610 kHz (Europe),
530–1710 kHz (USA and Canada),
SW, LWMPEG-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)530–1710 kHz,
87.5-108 MHzHDC up to 7 (3 full-power, 4 low-power) subchannels (FM) No? Yes Analog and digital audio broadcasting TerrestrialRadio modulation Frequency allocations Digital systems SatelliteFrequency allocations Digital systems Commercial radio providers Subcarrier signalsRelated topicsTechnical (Audio): Audio processing · Audio data compression
Technical (AM Stereo formats): Belar · C-QUAM · Harris · Magnavox · Kahn-Hazeltine
Technical (Emission): Digital radio · Error correction · Multipath propagation · SW Relay Station · AM radio · AM broadcasting · Extended AM broadcast band · FM radio · FM broadcasting · FM broadcast band · Cable radio
Cultural: History of radio · International broadcasting
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