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Rhythm Notation Converter

Convert durations and positions with exact rational arithmetic and visible quantization error.

Arithmetic only: this tool does not claim notation engraving, playback, groove, or performance correctness. Meter changes occur only when explicitly entered on sequence rows. Named syntax is unambiguous: quarter..;3:2 means a double-dotted quarter under “3 in the time of 2.”

Settings and single value

Sequence (optional)

CSV rows: id,value,format,meterTop,meterBottom. Blank meter fields reuse the current explicit segment; a changed pair begins a new meter segment. Maximum 500 rows.