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EduardoG | 01:44 Thu 22nd Feb 2001 | Technology
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What is the frequency response (or range) of FM radio broadcasts?
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The audio frequency range of FM radio transmissions is from 20Hz to 15kHz. The upper frequency limit is lower than for most other Hi-Fi items and is due to compromises made when the FM stereo transmission system was invented. The stereo information is carried on a 19kHz pilot tone which has to be filtered out by the receiver, resulting in the 15kHz upper frequency limit.
23:25 Thu 22nd Feb 2001

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