Pulse-code modulation
[puhls-kohd] /ˈpʌlsˌkoʊd/
noun, Telecommunications.
1.
a form of modulation that transforms a wave-form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a computer.
Abbreviation: PCM.
Read Also:
- Pulse-dialing
noun 1. a system of calling telephone numbers wherein electrical pulses corresponding to the digits in the number called are generated by manipulating a rotary dial or push buttons (contrasted with ). noun an older mode of telephone dialing with each digit transmitted via electrical pulse; also written pulse dialling
- Pulse dialling
noun See pulse dialing
- Pulse height analyser
noun 1. (electronics) a multichannel analyser that sorts pulses into selected amplitude ranges
- Pulse generator
pulse generator n. A device that produces an electrical discharge at regular intervals, which can be modified as needed, as in an electronic pacemaker.
- Pulsejet-engine
[puhls-jet] /ˈpʌlsˌdʒɛt/ noun, Aeronautics. 1. a equipped with valves that continuously open to admit air, then close during combustion, giving a pulsating thrust: used to power the V-1, a German buzz bomb, in World War II.