salt-and-pepper noise

Questions

What does salt-and-pepper noise mean?

A form of noise encountered in digital images, caused by defective light sensors at specific pixels, causing those pixels to appear fully black or fully white.

Where does salt-and-pepper noise come from?

From the appearance of the random white and black noisy pixels, as though salt and pepper grains had been spread across the image.

How to pronounce salt-and-pepper noise

1. Open the pronunciation page — Open the Speakur entry for “salt-and-pepper noise”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “salt-and-pepper noise”.
4. Repeat and practice — Say “salt-and-pepper noise” aloud, matching stress and vowels until it feels natural.