Comments (4)
Thanks for notifying us! Unfortunately I have no idea how to implement it, so I hope someone else will.
from midifile.
This is achieved by three to four consecutive MIDI control messages. In hexadecimal, they look like this:
B06500
B06400
B00602
B02604
The "0" after the "B" is the MIDI channel (for example zeroth channel that plays a guitar) for which the pitch-bend range is being set.
The "02" in the end of the third message is the number of semitones by which the pitch can bend.
The "04" in the end of the fourth message is the number of cents to be added to the semitones.
The last message is optional, i.e. if there is no message of the form /B.26../ (like "B02604" in the example) then the number of cents is zero.
Here is an example MIDI file where this happens around the 65th MIDI message in the file.
from midifile.
Here's my fix of this issue in a "fork" of MIDIFile.js:
Commit: surikov/webaudiofont@master...page200:webaudiofont:master
Pull request: surikov/webaudiofont@64ffca5
I haven't checked whether such a fix belongs into https://github.com/nfroidure/midifile or https://github.com/nfroidure/midievents. Anyway, probably these two repos should be updated to the aforementioned "fork" because that "fork" has things like slides
(pitch bend) and parseSong()
, which https://github.com/nfroidure/midifile doesn't seem to have yet.
from midifile.
@page200 this repository is meant to be used per other libraries and is just providing a midi file reader. Best practices is not to copy/paste the code but use the library and provide pull requests to the repository in order to allow all users to benefit from the changes for their various needs (see dependent packages)..
Feel free to report those changes via a pull request if you think it will be interesting for other users.
from midifile.
Related Issues (20)
- Running status not allowed HOT 8
- Fix browser support badge/build HOT 1
- Incorrect path to webMIDIAPIShim in tests/index.html. Incorrect handling of midiOutput HOT 1
- Uncaught (in promise) TypeError: createParser is not a function HOT 1
- stream.end is not a function running example code HOT 3
- Fix dist build. HOT 8
- Reading MIDI track labels as String HOT 2
- Uncaught ReferenceError: MIDIFileHeader is not defined HOT 3
- Getting events for large midi's (black midis) takes FOREVER HOT 5
- Add Audio engine to play notes HOT 19
- Add more musical instruments
- midi file unsupported (apparently) HOT 6
- How to read a midi file to get the ArrayBuffer? HOT 2
- Please provide single-file version to use in browser (.js and .min.js) HOT 1
- Is the playTime of the lyrics in milliseconds? HOT 1
- Merge improvements (pitch bend, `parseSong()`, ...) from `webaudiofont` HOT 10
- Argument missing HOT 1
- variable declared twice HOT 4
- Documentation for writing MIDI files HOT 4
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from midifile.