Definition, Meaning, Synonyms & Anagrams | English word DITHER

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Definitions of DITHER

1. To tremble, shake, or shiver with cold.
2. To be uncertain or unable to make a decision about doing something.
3. To do something nervously.
4. To intentionally add noise to a signal to randomize errors.
5. The state of being undecided.
6. A form of noise which is intentionally applied to randomize errors which occur in the processing of both digital audio and digital video data.
7. (computer graphics) To render an approximation of (an image or graphic) by using dot patterns to simulate the appearance of colors or shades not in the system palette.
8. (computer graphics) The use of dot patterns to approximate colors not available in the palette.

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Examples of Using DITHER in a Sentence

• In Sharon Travers' novel Stranger in Our Midst (part of The Oak Grove Chronicles series), character Melba reflects on watching Faraway Hill:

  In a dither of confusion,.

• The relationship of probabilities of results follows a bell-shaped, or Gaussian curve, typical of dither generated by analog sources such as microphone preamplifiers.
• Adding some dithering noise to the input signal can actually improve the final result because the dither noise allows oversampling to work to improve resolution.
• Due to the diminished sensitivity of the human ear to high-frequency hiss and the ease with which white noise can be electronically differentiated (high-pass filtered at first order), many early adaptations of dither to digital audio used violet noise as the dither signal.
• Resampling causes aliasing, both blurring low-frequency components and adding high-frequency noise, causing jaggies, while rounding off computations to fit in finite precision introduces quantization, causing banding; if fixed by dither, this instead becomes noise.
• Between vowels (including r-colored vowels), followed by a weak vowel: heathen, farthing, fathom, Worthington; and the frequent combination -ther-: bother, brother, dither, either, farther, father, further, heather, lather, mother, northern, other, rather, smithereens, slither, southern, together, weather, whether, wither; Caruthers, Netherlands, Witherspoon.
• Rather than simply losing the lower bits, dynamic rounding uses their information to control, via a randomiser, the dither of the LSB of the truncated result.
• Noise purposely added for such purposes is called dither; it improves the image perceptually, though it degrades the signal-to-noise ratio.
• The term dither fish refers to an arbitrary group of aquarium fish, commonly used by aquarists, to help reduce innate timidity and aggression as well as to promote normal social behaviour in the other fish housed within the same aquarium.
• To unlock the counter-rotating light beams, laser gyros either have independent light paths for the two directions (usually in fiber optic gyros), or the laser gyro is mounted on a piezo-electric dither motor that rapidly vibrates the laser ring back and forth about its input axis through the lock-in region to decouple the light waves.
• Upon the optical bench, the instrument contains three Beam Dither Units (BDU), three beam expanders, three star trackers, and three HOMER lasers.

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