TK.Notes converts between frequencies, MIDI notes and note names.
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Methods
freq2cents(frequency, baseopt) → {number}
Returns the percents a frequency misses a real note by.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
frequency |
number | The frequency to translate. |
|
base |
number |
<optional> |
The frequency of A440. |
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Returns:
cents - The percent of the difference to the next full note.
- Type
- number
freq2midi(frequency, baseopt) → {int}
Returns a MIDI note number for a frequency.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
frequency |
number | The frequency to translate. |
|
base |
number |
<optional> |
The frequency of A440. |
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Returns:
number - The MIDI number of the frequency.
- Type
- int
freq2note(frequency, baseopt) → {string}
Returns a note name for a frequency.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
frequency |
number | The frequency to translate. |
|
base |
number |
<optional> |
The frequency of A440. |
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Returns:
note - The name of the note.
- Type
- string
midi2freq(note) → {number}
Returns a frequency of a MIDI note number.
Parameters:
| Name | Type | Description |
|---|---|---|
note |
int | The MIDI note to translate. |
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Returns:
frequency - The frequency of the MIDI number.
- Type
- number
midi2note(note) → {string}
Returns a note name for a MIDI note number.
Parameters:
| Name | Type | Description |
|---|---|---|
note |
int | The MIDI note to translate. |
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Returns:
note - The name of the note.
- Type
- string