MusicianCV · TR

Set Tempo meta event

Open the interactive module

Timing and files

0x07A120 equals 500000. Dividing 60 million microseconds per minute by this value gives 120 BPM.

Set Tempo meta event · FF 51 03 07 A1 20 → 500000 µs/♩

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 51 03 07 A1 20 / 500000 µs/♩

Code or time base / interpretation

FF 51 03 07 A1 20 500000 µs/♩

Try it

What unit is being used for timing?

AnswerCheck the file’s PPQ or SMPTE division. MIDI Clock on the wire uses 24 pulses per quarter independently of SMF tick resolution.

Related topics

Quantize: which timing are we adjusting?

References

MIDI specifications and reference tables

Subject-expert review pending.