demodulator
nounUK /diːˈmɒdjʊleɪtə/
US /diːˈmɑːdʒəleɪtər/
A demodulator is a part that turns a radio signal back into the sound or picture you can hear or see.
The radio's demodulator pulled the music out of the signal so we could listen to it.
RELATED WORDS
OTHER MEANINGS
2. A device that recovers the original information from a modulated carrier wave.
Engineers tested the demodulator to make sure the data arrived intact.
3. A circuit in a modem that converts analog signals into digital data.
The modem's demodulator changed the phone-line tones into computer bits.
4. Any component that separates a message from the wave carrying it.
In the satellite dish, the demodulator cleaned up the picture before it reached the TV.