What does bit depth mean?

bit depth meaning in Law Dictionary

The bits utilized in sound or movie data that are the littlest product. The greater amount of depth the greater high quality image or sound.

bit depth meaning in Business Dictionary

range bits used in representing the tiniest product of data (such as for instance a byte or pixel) in an audio/video or visual information file. Better the bit depth, better the caliber of saved or reproduced image or noise.