Provides a variety of curves and curve generators that can be used with WaveShaperNodes.
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Methods
(static) constant(offsetopt) → {Float32Array}
Generates a curve that applies constant offset.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
offset |
Number |
<optional> |
0 |
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Returns:
- Type
- Float32Array
(static) createBitcrush(depthopt, samplesopt) → {Float32Array}
Generates a linear curve of arbitrary bit depth of samples length.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
depth |
Number |
<optional> |
16 | |
samples |
Number |
<optional> |
2**16 |
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Returns:
- Type
- Float32Array
(static) createNoise(gainopt, samplesopt) → {Float32Array}
Generates a linear curve with noise at gain of samples length.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
gain |
Number |
<optional> |
1 | |
samples |
Number |
<optional> |
2**16 |
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Returns:
- Type
- Float32Array
(static) createRandom(stepsopt, seedopt) → {Float32Array}
Generates a curve having random steps with seed.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
steps |
Number |
<optional> |
3 | |
seed |
String |
<optional> |
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Returns:
- Type
- Float32Array
(static) createSigmoid(amountopt, samplesopt) → {Float32Array}
Generates a sigmoid curve with amount in radians of samples length.
Smaller values tend to be warmer, whereas larger values tend to be more distorted.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
amount |
Number |
<optional> |
0 | |
samples |
Number |
<optional> |
2**16 |
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Returns:
- Type
- Float32Array
(static) createTuple(timesopt) → {Float32Array}
Generates a curve that bounces a number of times before its zero crossing.
This effectively adds times harmonics to a signal at decreasing amplitudes similar to a sawtooth wave.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
times |
<optional> |
1 |
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Returns:
- Type
- Float32Array
(static) createTuplePulse(timesopt) → {Float32Array}
Generates a rectified curve that bounces a number of times.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
times |
<optional> |
1 |
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Returns:
- Type
- Float32Array
(static) crush4() → {Float32Array}
Applies a 4-bit resolution.
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Returns:
- Type
- Float32Array
(static) crush6() → {Float32Array}
Applies a 6-bit resolution.
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Returns:
- Type
- Float32Array
(static) crush8() → {Float32Array}
Applies an 8-bit resolution.
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Returns:
- Type
- Float32Array
(static) crush12() → {Float32Array}
Applies a 12-bit resolution.
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Returns:
- Type
- Float32Array
(static) distort() → {Float32Array}
Applies a heavy overdrive.
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Returns:
- Type
- Float32Array
(static) dither() → {Float32Array}
Applies dither, or -96 decibels of noise.
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Returns:
- Type
- Float32Array
(static) double() → {Float32Array}
A double tuple.
The result of syngen.audio.shape.createTuple(2)
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Returns:
- Type
- Float32Array
(static) doublePulse() → {Float32Array}
A double pulse tuple.
The result of syngen.audio.shape.createTuplePulse(2)
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Returns:
- Type
- Float32Array
(static) equalFadeIn() → {Float32Array}
Returns an equal-power fade-in curve. This is useful
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Returns:
- Type
- Float32Array
(static) equalFadeOut() → {Float32Array}
Returns an equal-power fade-out curve.
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Returns:
- Type
- Float32Array
(static) hot() → {Float32Array}
Applies a moderate overdrive.
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Returns:
- Type
- Float32Array
(static) invert() → {Float32Array}
Inverts a signal.
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Returns:
- Type
- Float32Array
(static) invertShape() → {Float32Array}
Returns an inverted copy of shape.
Parameters:
| Type | Description |
|---|---|
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Returns:
- Type
- Float32Array
(static) linear() → {Float32Array}
Identity curve resulting in no shaping.
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Returns:
- Type
- Float32Array
(static) noise() → {Float32Array}
Noise curve with 0 decibels of noise.
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Returns:
- Type
- Float32Array
(static) noise2() → {Float32Array}
Applies -3 decibels of noise.
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Returns:
- Type
- Float32Array
(static) noise4() → {Float32Array}
Applies -6 decibels of noise.
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Returns:
- Type
- Float32Array
(static) noise8() → {Float32Array}
Applies -9 decibels of noise.
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Returns:
- Type
- Float32Array
(static) noise16() → {Float32Array}
Applies -12 decibels of noise.
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Returns:
- Type
- Float32Array
(static) noise32() → {Float32Array}
Applies -15 decibels of noise.
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Returns:
- Type
- Float32Array
(static) offsetShape(shape, offsetopt) → {Float32Array}
Applies a constant offset to a copy of shape.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
shape |
Float32Array | |||
offset |
Number |
<optional> |
0 |
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Returns:
- Type
- Float32Array
(static) one() → {Float32Array}
Always one.
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Returns:
- Type
- Float32Array
(static) pulse() → {Float32Array}
Omits troughs so only positive values are audible.
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Returns:
- Type
- Float32Array
(static) pulseShape(shape) → {Float32Array}
Returns a copy of shape with troughs set to zero.
Parameters:
| Name | Type | Description |
|---|---|---|
shape |
Float32Array |
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Returns:
- Type
- Float32Array
(static) rectify() → {Float32Array}
Rectifies a signal so it's always positive.
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Returns:
- Type
- Float32Array
(static) rectifyShape(shape) → {Float32Array}
Returns a rectified copy of shape.
Parameters:
| Name | Type | Description |
|---|---|---|
shape |
Float32Array |
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Returns:
- Type
- Float32Array
(static) reverseShape(shape) → {Float32Array}
Returns a reversed copy of shape.
Parameters:
| Name | Type | Description |
|---|---|---|
shape |
Float32Array |
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Returns:
- Type
- Float32Array
(static) square() → {Float32Array}
Applies a hard threshold where values round to -1 or 1.
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Returns:
- Type
- Float32Array
(static) triple() → {Float32Array}
A triple tuple.
The result of syngen.audio.shape.createTuple(3)
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Returns:
- Type
- Float32Array
(static) triplePulse() → {Float32Array}
A triple pulse tuple.
The result of syngen.audio.shape.createTuplePulse(3)
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Returns:
- Type
- Float32Array
(static) warm() → {Float32Array}
Applies a slight overdrive
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Returns:
- Type
- Float32Array
(static) zero() → {Float32Array}
Always zero.
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Returns:
- Type
- Float32Array