trait OscillatorNode extends EventTarget with AudioNode
The OscillatorNode interface represents a periodic waveform, like a sine wave. It is an AudioNode audio-processing module that causes a given frequency of sine wave to be created — in effect, a constant tone.
An OscillatorNode is created using the AudioContext.createOscillator method. It always has exactly one output and no inputs, both with the same amount of channels. Its basic property defaults (see AudioNode for definitions) are:
- Number of inputs: 0
- Number of outputs: 1
- Channel count mode: max
- Channel count: 2 (not used in the default count mode)
- Channel interpretation: speakers
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- def addEventListener[T <: Event](type: String, listener: Function1[T, _], options: EventListenerOptions): Unit
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on.
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on. The event target may be an Element in a document, the Document itself, a Window, or any other object that supports events (such as XMLHttpRequest).
This implementation accepts a settings object of type EventListenerOptions.
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The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on.
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on. The event target may be an Element in a document, the Document itself, a Window, or any other object that supports events (such as XMLHttpRequest).
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- val channelCount: Int
Represents an integer used to determine how many channels are used when up-mixing and down-mixing connections to any inputs to the node.
Represents an integer used to determine how many channels are used when up-mixing and down-mixing connections to any inputs to the node. Its usage and precise definition depend on the value of AudioNode.channelCountMode.
- Definition Classes
- AudioNode
- val channelCountMode: Int
Represents an enumerated value describing the way channels must be matched between the node's inputs and outputs.
Represents an enumerated value describing the way channels must be matched between the node's inputs and outputs.
- Definition Classes
- AudioNode
- val channelInterpretation: String
Represents an enumerated value describing the meaning of the channels.
Represents an enumerated value describing the meaning of the channels. This interpretation will define how audio up-mixing and down-mixing will happen.
The possible values are "speakers" or "discrete".
- Definition Classes
- AudioNode
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- def connect(audioParam: AudioParam): Unit
Allows us to connect one output of this node to one input of an audio parameter.
Allows us to connect one output of this node to one input of an audio parameter.
- Definition Classes
- AudioNode
- def connect(audioNode: AudioNode): Unit
Allows us to connect one output of this node to one input of another node.
Allows us to connect one output of this node to one input of another node.
- Definition Classes
- AudioNode
- val context: AudioContext
Returns the associated AudioContext, that is the object representing the processing graph the node is participating in.
Returns the associated AudioContext, that is the object representing the processing graph the node is participating in.
- Definition Classes
- AudioNode
- val detune: AudioParam
An a-rate AudioParam representing detuning of oscillation in cents (though the AudioParam returned is read-only, the value it represents is not.)
- def disconnect(output: AudioNode = js.native): Unit
Allows us to disconnect the current node from another one it is already connected to.
Allows us to disconnect the current node from another one it is already connected to.
- output
The index describing which output of the AudioNode is going to be disconnected.
- Definition Classes
- AudioNode
- def dispatchEvent(evt: Event): Boolean
Dispatches an Event at the specified EventTarget, invoking the affected EventListeners in the appropriate order.
Dispatches an Event at the specified EventTarget, invoking the affected EventListeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) apply to events dispatched manually with dispatchEvent().
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- val frequency: AudioParam
An a-rate AudioParam representing the frequency of oscillation in hertz (though the AudioParam returned is read-only, the value it represents is not.)
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- val numberOfInputs: Int
Returns the number of inputs feeding the node.
Returns the number of inputs feeding the node. Source nodes are defined as nodes having a numberOfInputs property with a value of 0.
- Definition Classes
- AudioNode
- val numberOfOutputs: Int
Returns the number of outputs coming out of the node.
Returns the number of outputs coming out of the node. Destination nodes — like AudioDestinationNode — have a value of 0 for this attribute.
- Definition Classes
- AudioNode
- val onended: Function1[Event, _]
Used to set the event handler for the ended event, which fires when the tone has stopped playing.
- def propertyIsEnumerable(v: String): Boolean
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- def removeEventListener[T <: Event](type: String, listener: Function1[T, _], options: EventListenerOptions): Unit
Removes the event listener previously registered with EventTarget.addEventListener.
Removes the event listener previously registered with EventTarget.addEventListener.
This implementation accepts a settings object of type EventListenerOptions.
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- EventTarget
- def removeEventListener[T <: Event](type: String, listener: Function1[T, _], useCapture: Boolean = js.native): Unit
Removes the event listener previously registered with EventTarget.addEventListener.
Removes the event listener previously registered with EventTarget.addEventListener.
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- Definition Classes
- EventTarget
- def setPeriodicWave(wave: PeriodicWave): Unit
Used to point to a PeriodicWave defining a periodic waveform that can be used to shape the oscillator's output, when type = "custom" is used.
Used to point to a PeriodicWave defining a periodic waveform that can be used to shape the oscillator's output, when type = "custom" is used.
This replaces the now-obsolete OscillatorNode.setWaveTable.
- def start(when: Double = 0.0): Unit
This method specifies the exact time to start playing the tone.
- def stop(when: Double = 0.0): Unit
This method specifies the exact time to stop playing the tone.
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Represents the shape of the oscillator wave generated.
Represents the shape of the oscillator wave generated. Different waves will produce different tones.
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