MusicianCV · TRTime Signature meta event
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Timing and files
The denominator 8 is encoded as exponent 3 because 2³ = 8.
Time Signature meta event · FF 58 04 06 03 18 08 → 6/8
File meta events, event positions and live transport messages serve different functions. Inspect this example in its proper context using an SMF reader or MIDI monitor.
Example
Code or time base / interpretation · FF 58 04 06 03 18 08 / 6/8
Code or time base / interpretationFF 58 04 06 03 18 08 6/8
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What unit is being used for timing?
Answer
Check the file’s PPQ or SMPTE division. MIDI Clock on the wire uses 24 pulses per quarter independently of SMF tick resolution.Related topics
Ticks, PPQ and tempo mapsReferences
MIDI specifications and reference tables
Subject-expert review pending.