Which CODEC is known for being associated with the DivX format?

The correct answer is associated with the fact that Xvid is an open-source video codec that is specifically designed as an alternative to DivX. Both codecs are used for compressing and decompressing video files, facilitating efficient storage and streaming without significantly compromising quality.

Xvid adopts the MPEG-4 standard for video compression, which aligns closely with DivX's capabilities. This relationship allows Xvid to produce high-quality video output while maintaining a small file size, echoing the attributes that have made DivX popular. The compatibility between Xvid and the DivX format enables smoother playback for users on various platforms.

The other options refer to different formats or standards that are not directly related to DivX: Audio Video Interleave is a multimedia container format for audio and video, Moving Pictures Experts Group pertains to a set of standards for audio and video compression, and QuickTime is a multimedia framework developed by Apple that supports a variety of formats. These are distinct from Xvid in their functionality and purpose related to the DivX format.