Indeo 3.2 was developed by Intel in the 1980's, and was originally knows as 'RealTime Video 2.1' (RT21). Indeo is very similar to the [[codec:cvid;Cinepak]] codec.
Indeo Video version 5.2 is the latest version of this codec:
Optimization of the Indeo Video 5 scalability feature
A wavelet compression algorithm that improves visual quality over previous versions of Indeo
Better compression at all levels of video quality than previous generation codecs
Playback performance enhancements including smoother, interpolated 'zoom by 2' playback
Indeo XP also includes the legacy codecs Indeo Video 3.2, Indeo Video 4.5, and Indeo Audio 2.5