noun / verb
dither
Deliberately added noise that reduces digital banding or distortion.
The editor adds dither to keep the sky gradient smooth.
Etymology
The older verb names trembling or small oscillations. Engineering adapted that fluctuating motion to deliberately introduced noise that breaks up regular quantization errors.
More examples
- We dither the audio before reducing its bit depth.
- Without dither, quiet passages can develop distortion during conversion.
- The software dithered the image to reduce visible color bands.
Forms
dither · dithers · dithered · dithering
Similar words
- noise
- Noise is broader and need not be deliberately added.