RMI
RMI audio formatUsed for music, speech, and time-based sound.
- Family
- Audio
- MIME
- audio/midi
Convert RMI to FLAC online. See the real timed-stream transcoding behavior, preservation limits, and a format-specific acceptance test.
Decoding RMI recovers the waveform and channel layout it carries; writing FLAC means re-expressing that under a different codec and container profile. Duration commonly survives untouched even while compression, channel mapping, cadence, metadata, or auxiliary streams do not. RMI wraps MIDI events in a RIFF container; the reader extracts the event stream and tempo map rather than treating the file as PCM audio. FLAC output losslessly codes decoded samples and supports rich comments, yet it cannot reconstruct fidelity already removed by a lossy source codec.
Decoded media - MIDI event data wrapped in a RIFF Resource Interchange File Format structure. Encoded delivery profile - Losslessly compressed audio that preserves decoded samples and supports rich tags.
Used for music, speech, and time-based sound.
Designed for lossless music archiving.
Some MIDI tools reject the RIFF wrapper, while audio rendering still depends on external instruments and sound banks.
FLAC does not make a lossy source lossless again, and some basic players reject less common sample rates or channel layouts.
The verified FLAC profile uses lossless compression level 8; it preserves decoded samples rather than source codec data.
Verify RIFF-MIDI recognition, tracks, tempo, programs, controller events, duration, and synthesized instrument mapping.
Compare duration, sample rate, channels, peak levels, and tags with the decoded source.
Choose FLAC only after the player, editor, or publishing service confirms its container and codecs; keep RMI if extra tracks or source encoding must survive.