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What is 10-Bit Video?

10-bit video represents each sample component with 1,024 possible code values. When the source and processing path preserve that precision, it supports smoother gradients and more grading latitude than 8-bit video.

How 10-Bit Video works

A 10-bit signal quantizes each component more finely than an 8-bit signal, reducing the size of individual tonal steps. That precision is useful during color correction, compositing, and HDR processing, where transformations can otherwise separate neighboring values into visible bands. Distribution still depends on a complete compatible path: the encoder profile, container signaling, decoder, graphics pipeline, connection, and display must preserve the intended precision.

Key facts

  1. Ten bits provide 1,024 code values per component, four times the number available at eight bits, though usable ranges depend on the video signal convention.
  2. Codec profiles commonly distinguish 10-bit operation from their 8-bit counterparts; recognizing the codec name alone does not prove that a decoder supports both.
  3. Converting a finished 10-bit master to 8-bit with suitable dithering generally produces smoother gradients than simply truncating the two least significant bits.

When 10-Bit Video matters

Choose 10-bit encoding for HDR delivery or demanding color grades where banding would be objectionable. Verify the codec, container, decoder, and display path because unsupported stages may force conversion.

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