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Apple QuickTime IMA4 encoded audio
File type: Audio and sound file
Files with ima4 file extension can be found as audio files in Apple QuickTime IMA4 encoded audio format.
File type category:
Audio and sound file
Date updated: October 26, 2018
The ima4 file extension is related to IMA ADPCM Apple Quicktime audio fomat.
QuickTime files can store either mono or stereo IMA ADPCM data. Files with IMA data contain the codec fourcc "ima4" in the audio stsd atom.
The files store the data in blocks of nibbles. The individual IMA samples are never interleaved; one block of IMA nibbles represents either all left-channel or all right-channel PCM samples.
Use compatible tools to work with *.ima4 files.
Probably can be exported to other formats.
Apps designed for playing ima4 files:
Microsoft Windows
Apple macOS / Mac OS X
Software applications that handle other tasks involving ima4 files:
Microsoft Windows
Apple macOS / Mac OS X
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