🎹 Sustain to Longer Notes

Convert a MIDI file with sustain pedal events to a midi file with changed notes duration.

Features

• ✅ Convert sustain pedal events (controller 64) to longer notes
• ✅ Remove overlapping notes in the MIDI file

Installation

Prerequisites

• Python 3.8+
• Make

Install command

make

Usage

usage: sustain [-h] file [file ...]

Convert the sustain pedal MIDI events to longer notes.

positional arguments:
  file        Input MIDI file(s) to convert. The output file name(s) are the same as input but suffixed by '_sustained'.

options:
  -h, --help  show this help message and exit

Examples

Run on a single file

sustain path/to/my_file.mid

This created the file path/to/my_file_sustained.mid.

Run on a directory

sustain path/to/my/directory

This has run on all *.mid and *.MID files in path/to/my/directory and created the files path/to/my/directory/*_sustained.mid

Compatibility

	Ubuntu 22.04	Windows	Mac OS
Python 2.7	❌	❌	❌
Python 3.7	⚠️	⚠️	⚠️
Python 3.8	✅	✅	✅
Python 3.9	✅	✅	✅
Python 3.10	✅	✅	✅
Python 3.11	✅	✅	✅

• ❌: Unsupported
• ⚠️: Not tested, but may work (not officially supported)
• ✅: Officially supported