undermodulationn.
Radio and Cinematography.
Modulation that is less than it need be, so that the available capacity of a transmitter or medium is underused or the signal is too weak.
ΘΚΠ
society > communication > telecommunication > [noun] > signal > modulation
choke control1909
modulation1919
frequency modulation1922
pulse modulation1929
phase modulation1930
undermodulation1940
pulse time modulation1944
pulse position modulation1945
PCM1947
pulse amplitude modulation1947
pulse code modulation1947
pulse frequency modulation1950
pulse width modulation1953
pulse duration modulation1956
1940 Chambers's Techn. Dict. 877/1 Undermodulation.
1962 A. Nisbett Technique Sound Studio v. 94 Programme meters... Its uses are:..(ii) to provide indications of levels which would result in under- or over-modulation at the recorder or transmitter.
Derivatives
underˈmodulate v. transitive.
ΘΚΠ
society > communication > telecommunication > [verb (transitive)] > modulate
modulate1908
phase-modulate1941
pulse1957
frequency-modulate1962
undermodulate1962
1962 A. Nisbett Technique Sound Studio v. 100 Reducing the effective service area of the transmitter by undermodulating a whole programme.
underˈmodulated adj.
ΘΚΠ
society > communication > telecommunication > [adjective] > modulated
frequency-modulated1936
phase-modulated1936
pulse-modulated1943
pulse-time-modulated1945
undermodulated1974
1974 Listener 2 May 573/3 Why are the transmissions on Radio 3 invariably under-modulated?
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).
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