This page is for summary of memos to implement audio progarm by python.

For making sound from MIDI input to audio output on Raspberry Pi, I run following command on Raspberry Pi :

In detail, Raspberry Pi Tips - Fluidsynth

Generate audio files

Generate sine, sawtooth and square wave by numpy and scipy libraries.

• Environment: Rpi 3B, python 3.5.3 / 3.7.0
• pip install numpy scipy
• Github
• Ref:
• Python で音楽を作って楽しもう

python-rtmidi

Search "Synth" output port and play midi file

• Environment: Rpi 3B, python 3.5.3 / 3.7.0
• pip install python-rtmidi
• Github
• Ref:
• python rtmidi

Mido

• Environment: Rpi 3B, python 3.5.3 / 3.7.0
• pip install mido python-rtmidi

MIDI note-on and note-off by Mido

• Github - note-on/off

Load MIDI file and check the length of music

• Github - load MIDI file

Ref:

• Mido - MIDI Objects for python
• Midoを使ってPythonでMIDIを扱ってみよう

Pygame

• Environment: Rpi 3B, python 3.5.3 / 3.7.0
• pip install pygame

List output ports

• Github
• Ref:
• 自由研究の準備（その６）PythonでのMIDI操作 (リアルタイム編1), (リアルタイム編2)

GUI keyboard - display piano and send MIDI message

• Github
• Ref:
• PygameでMIDI
• Pygame.org

Midi keyboard

Pretty_midi

• Environment: Rpi 3B, python 3.5.3 (I could not install pretty-midi to virtual env of python3.7.0 )

Make MIDI file of noteon and noteoff of "G4"

• Github

Load MIDI file

• Github

Ref:

• PythonでMIDIを扱う - midiとpretty_midi
• Colin Raffel - pretty-midi