# munotes
*musical-notes*
[](https://badge.fury.io/py/munotes)
<br>
This library is for handling notes and chords in Python.
- [PyPI](https://pypi.org/project/munotes/)
- [API Reference](https://misya11p.github.io/munotes/)
## General Usage
### Note
Note class. Handling note.
This class is used by inputting the note name and octave height, or MIDI note number at initialization.
```python
import munotes as mn
note = mn.Note("A4")
print(note) # A4
note = mn.Note(69)
print(note) # A4
```
- `transpose()`
Transpose the note.
```python
note.transpose(2)
print(note) # B4
```
- `render()`
Get the waveform of the note.
```python
import matplotlib.pyplot as plt
y = note.render('sin')
plt.plot(y[:200])
```
`squere` and `sawtooth` are also sapported.
```python
y = note.render('squere')
plt.plot(y[:200])
```
```python
y = note.render('sawtooth')
plt.plot(y[:200])
```
Arbitrary waveforms are also supported.
```python
y = note.render(lambda t: np.sin(t) + np.sin(2*t))
plt.plot(y[:200])
```
- `play()`
Get IPython.display.Audio object.
### Notes
Notes class. Handling multiple notes.
This class is used by inputting the notes at initialization.
```python
notes = mn.Notes("C4", "E4", "G4")
print(notes) # C4 E4 G4
```
Methods are the same as `Note`. Ex: `transpose()`, `render()`, `play()`.
### Chord
Chord class. Handling chord.
This class generates a Notes object by inputting a chord name at initialization.
```python
from munotes import Chord
chord = Chord("A#m7")
print(chord) # A#m7
print(chord.names) # ['A#', 'C#', 'F', 'G#']
```
Methods are the same as `Note` (and `Notes`).
Transpose is also supported by `transpose()`
```python
chord.transpose(3)
print(chord) # C#m7
print(chord.names) # ['C#', 'E', 'G#', 'B']
```
### Track
Track class. Handling multiple Notes as a sequence.
This class is used by inputting the notes and durations at initialization.
```python
track = mn.Track([
("C4", 1),
("E4", 1),
("G4", 1)
])
```
Methods are the same as other classes.
But in methods that handling waveform (`render()`, `play()`, etc), generate the waveform as sequence of notes (like: C -> E -> G).
### Stream
Stream class. Handling multiple tracks.
This class is used by inputting the tracks at initialization.
```python
melody = mn.Track([
("C4", 1),
("D4", 1),
("E4", 1)
])
chords = mn.Track([
(mn.Chord("C"), 3),
])
stream = mn.Stream([melody, chords])
```
Methods are the same as other classes.
## Version History
### [0.1.0](https://pypi.org/project/munotes/0.1.0/) (2022-11-12, Beta-release)
- Add `Note` class
- Add `Chord` class
### [1.0.0](https://pypi.org/project/munotes/1.0.0/) (2023-02-09)
- Add `Notes` class
- Add `Track` class
- Add `Stream` class
- Add `Rest` class
- Add `sin()`, `square()`, `sawtooth()` methods
- Add `play()` method
- Add `render()` method
### [1.0.1](https://pypi.org/project/munotes/1.0.1/) (2023-02-12)
- Fixed a bug that `Rest` could not be put into `Track`.
### [1.1.0](https://pypi.org/project/munotes/1.1.0/) (2023-02-16, Latest)
- Waveform parameters can be specified. Ex: `note.sawtooth(width=0.5)`
- Support for inputting octave with note names. Ex: `note = mn.Note("A4")`
- All supported chords can be seen in `mn.chord_names`.
- Arbitrary chords can be added.
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"description": "# munotes\n\n*musical-notes*\n\n[](https://badge.fury.io/py/munotes)\n\n\n<br>\n\nThis library is for handling notes and chords in Python.\n\n- [PyPI](https://pypi.org/project/munotes/)\n- [API Reference](https://misya11p.github.io/munotes/)\n\n## General Usage\n\n### Note\n\nNote class. Handling note.\n\nThis class is used by inputting the note name and octave height, or MIDI note number at initialization.\n\n```python\nimport munotes as mn\n\nnote = mn.Note(\"A4\")\nprint(note) # A4\n\nnote = mn.Note(69)\nprint(note) # A4\n```\n\n- `transpose()`\n\nTranspose the note.\n\n```python\nnote.transpose(2)\nprint(note) # B4\n\n```\n\n\n- `render()`\n\nGet the waveform of the note.\n\n```python\nimport matplotlib.pyplot as plt\ny = note.render('sin')\nplt.plot(y[:200])\n```\n\n\n\n`squere` and `sawtooth` are also sapported.\n\n```python\ny = note.render('squere')\nplt.plot(y[:200])\n```\n\n\n```python\ny = note.render('sawtooth')\nplt.plot(y[:200])\n```\n\n\nArbitrary waveforms are also supported.\n\n```python\ny = note.render(lambda t: np.sin(t) + np.sin(2*t))\nplt.plot(y[:200])\n```\n\n\n\n- `play()`\n\nGet IPython.display.Audio object.\n\n\n\n\n### Notes\n\nNotes class. Handling multiple notes.\n\nThis class is used by inputting the notes at initialization.\n\n```python\nnotes = mn.Notes(\"C4\", \"E4\", \"G4\")\nprint(notes) # C4 E4 G4\n\n```\n\nMethods are the same as `Note`. Ex: `transpose()`, `render()`, `play()`.\n\n\n\n### Chord\n\nChord class. Handling chord.\n\nThis class generates a Notes object by inputting a chord name at initialization.\n\n```python\nfrom munotes import Chord\nchord = Chord(\"A#m7\")\nprint(chord) # A#m7\nprint(chord.names) # ['A#', 'C#', 'F', 'G#']\n```\n\nMethods are the same as `Note` (and `Notes`). \nTranspose is also supported by `transpose()`\n\n```python\nchord.transpose(3)\nprint(chord) # C#m7\nprint(chord.names) # ['C#', 'E', 'G#', 'B']\n```\n\n\n### Track\n\nTrack class. Handling multiple Notes as a sequence.\n\nThis class is used by inputting the notes and durations at initialization.\n\n\n```python\ntrack = mn.Track([\n (\"C4\", 1),\n (\"E4\", 1),\n (\"G4\", 1)\n])\n```\n\nMethods are the same as other classes. \nBut in methods that handling waveform (`render()`, `play()`, etc), generate the waveform as sequence of notes (like: C -> E -> G).\n\n\n### Stream\n\nStream class. Handling multiple tracks.\n\nThis class is used by inputting the tracks at initialization.\n\n```python\nmelody = mn.Track([\n (\"C4\", 1),\n (\"D4\", 1),\n (\"E4\", 1)\n])\n\nchords = mn.Track([\n (mn.Chord(\"C\"), 3),\n])\n\nstream = mn.Stream([melody, chords])\n```\n\nMethods are the same as other classes.\n\n## Version History\n\n### [0.1.0](https://pypi.org/project/munotes/0.1.0/) (2022-11-12, Beta-release)\n- Add `Note` class\n- Add `Chord` class\n\n### [1.0.0](https://pypi.org/project/munotes/1.0.0/) (2023-02-09)\n- Add `Notes` class\n- Add `Track` class\n- Add `Stream` class\n- Add `Rest` class\n- Add `sin()`, `square()`, `sawtooth()` methods\n- Add `play()` method\n- Add `render()` method\n\n### [1.0.1](https://pypi.org/project/munotes/1.0.1/) (2023-02-12)\n- Fixed a bug that `Rest` could not be put into `Track`.\n\n### [1.1.0](https://pypi.org/project/munotes/1.1.0/) (2023-02-16, Latest)\n- Waveform parameters can be specified. Ex: `note.sawtooth(width=0.5)`\n- Support for inputting octave with note names. Ex: `note = mn.Note(\"A4\")`\n- All supported chords can be seen in `mn.chord_names`.\n- Arbitrary chords can be added.\n",
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