4X IMA ADPCM

Description
4X IMA ADPCM is a modified version of the Interactive Multimedia Association's (IMA) IMA ADPCM algorithm for encoding audio. It is sometimes used for the audio tracks in games using 4X Technologies proprietary 4X Movie file format.

Information

 * MultimediaWiki - 4X IMA ADPCM

Software

 * FFmpeg

Sample files

 * https://telparia.com/fileFormatSamples/video/fourXMovieVideo/

Links

 * Example .4xm files