soundfont2mp3

soundfont2mp3 is a command line utility that lets you extract single note mp3s from soundfont files.

Installation

Install the command line tool globally by running:

npm install -g soundfont2mp3

Usage

Usage: soundfont2mp3 [options]

Options

-h, --help                     output usage information
-v, --version                  output the version number
-c, --channel <channel>        the midi channel
-i, --instrument <instrument>  the midi instrument
-n, --note <note>              the midi note to export
-d, --duration <duration>      the duration of the note in ticks. there are
                               128 ticks per beat, so a quarter note has a
                               duration of 128.
-v, --velocity <velocity>      the velocity of the note
-g, --gain <gain>              the velocity of the note
-e, --endtick <endtick>        the tick number of the end of the track
-s, --soundfont <soundfont>    the soundfont file
-o, --output <output>          the .mp3/.wav/.js/.mid file to output
--no-reverb                    don't add reverb
--no-chorus                    don't add chorus

Dependencies

• FluidSynth

• Lame

• Sox

• A valid soundfont file (see Free Soundfonts)

Free Soundfonts

• S. Christian Collins GeneralUser GS - 30 MB

• Fluid (R3) General MIDI SoundFont (GM) - 140 MB

Example Usage

#!/bin/bash
BASE_FOLDER="."
SOUNDFONT="./gs.sf2"

# make channel folder
mkdir -p "$BASE_FOLDER/channel"
mkdir -p "$BASE_FOLDER/channel/0"
mkdir -p "$BASE_FOLDER/channel/0/instrument"

for i in {0..127}
do
    mkdir -p "$BASE_FOLDER/channel/0/instrument/$i";
    for j in {0..127}
    do
        soundfont2mp3 -i $i -n $j -s "$SOUNDFONT" -o "$BASE_FOLDER/channel/0/instrument/$i/$j.mp3"
    done
done