Sampling may refer to any of the following:
Sampling is a step used in converting an analog signal to a digital signal.
With a video or moving image, sampling is combining multiple still images and playing them at a high rate of speed causing those images to be animated.
When referring to audio, sampling takes a segment of sound and plays it at a high rate of speed, resulting in continuous sound.
ADPCM, Sampling rate, Sound terms, Video terms