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digital signal

Cultural  
  1. A signal in which the original information is converted into a string of bits before being transmitted. A radio signal, for example, will be either on or off. Digital signals can be sent for long distances and suffer less interference than analog signals.


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The communications industry worldwide is in the midst of a switch to digital signals.

Sound and video can also be streamed via computer.

Sound storage in a compact disk is in digital form.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company makes the digital signal processors that turn electrical signals into light pulses so that data can travel quickly through fiber optic cables.

From Barron's • Apr. 15, 2026

Additionally, Sur said he was anticipating demand for Marvell’s optical digital signal processors and storage products to be strong amid the AI data-center buildout.

From MarketWatch • Mar. 5, 2026

Daniel uses a digital signal to verify it’s Ludo’s bike, then calls the police, who help recover it.

From New York Times • Feb. 23, 2022

Hearing aids work by converting sound picked up by a microphone into a digital signal that’s then amplified.

From The Verge • Jan. 6, 2022

These machines take the math exercise that is a digital signal and turn it into the continuous wave that is analog.

From Washington Post