TK.Filter provides the math for calculating a gain from a given frequency for different types of biquad filters.
Properties:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
options.type |
Stgring | function |
<optional> |
"parametric" | The type of the filter. Possible values are
|
options.freq |
Number |
<optional> |
1000 | The initial frequency. |
options.gain |
Number |
<optional> |
0 | The initial gain. |
options.q |
Number |
<optional> |
1 | The initial Q of the filter. |
options.sample_rate |
Number |
<optional> |
44100 | The sample rate. |
| Mixes In: | |
| Source: |
Extends
Methods
freq2gain(frequency) → {number}
Returns the gain for a given frequency
Parameters:
| Name | Type | Description |
|---|---|---|
frequency |
number | The frequency to calculate the gain for. |
| Source: |
Returns:
gain - The gain at the given frequency.
- Type
- number
Events
reset
Is fired when a filters drawing function is reset.
| Source: |