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.. SPDX-FileCopyrightText: 2013 Ole Martin Bjorndalen <ombdalen@gmail.com>
..
.. SPDX-License-Identifier: CC-BY-4.0
Message Types
=============
Supported Messages
------------------
============== ==============================
Name Keyword Arguments / Attributes
============== ==============================
note_off channel note velocity
note_on channel note velocity
polytouch channel note value
control_change channel control value
program_change channel program
aftertouch channel value
pitchwheel channel pitch
sysex data
quarter_frame frame_type frame_value
songpos pos
song_select song
tune_request
clock
start
continue
stop
active_sensing
reset
============== ==============================
``quarter_frame`` is used for SMPTE time codes.
Parameter Types
---------------
=========== ====================== ================
Name Valid Range Default Value
=========== ====================== ================
channel 0..15 0
frame_type 0..7 0
frame_value 0..15 0
control 0..127 0
note 0..127 0
program 0..127 0
song 0..127 0
value 0..127 0
velocity 0..127 64
data (0..127, 0..127, ...) () (empty tuple)
pitch -8192..8191 0
pos 0..16383 0
time any integer or float 0
=========== ====================== ================
.. note::
Mido numbers channels 0 to 15 instead of 1 to 16. This makes them
easier to work with in Python but you may want to add and subtract
1 when communicating with the user.
``velocity`` is how fast the note was struck or released. It defaults
to 64 so that if you don't set it, you will still get a reasonable
value. (64 is the recommended default for devices that don't support
it attack or release velocity.)
The ``time`` is used in MIDI files as delta time.
The ``data`` parameter accepts any iterable that generates numbers in
0..127. This includes::
mido.Message('sysex', data=[1, 2, 3])
mido.Message('sysex', data=range(10))
mido.Message('sysex', data=(i for i in range(10) if i % 2 == 0))
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