The Interactive Multimedia Association (IMA) was an industry association which developed a set of audio

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s. The most important is the ADPCM algorithm which is in use by

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and

Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...

. The Interactive Multimedia Association ceased operations around 1998. An archived copy of the document IMA Recommended Practices for Enhancing Digital Audio Compatibility in Multimedia Systems (version 3.0), which describes the IMA ADPCM algorithm, is available.Recommended Practices for Enhancing Digital Audio Compatibility in Multimedia Systems
- describes the former association and has also a scanned copy of the ADPCM standard Retrieved on 2012-03-27

External links

RFC 3551, page 13
- IMA ADPCM (DVI4)

References

Standards organizations in the United States {{business-org-stub