Baseline Widely available
The OscillatorNode() constructor of the Web Audio API creates a new OscillatorNode object which is an AudioNode that represents a periodic waveform, like a sine wave, optionally setting the node's properties' values to match values in a specified object.
If the default values of the properties are acceptable, you can optionally use the BaseAudioContext.createOscillator() factory method instead; see Creating an AudioNode.
new OscillatorNode(context, options)
context
A reference to an AudioContext.
options Optional
An object whose properties specify the initial values for the oscillator node's properties. Any properties omitted from the object will take on the default value as documented.
type
The shape of the wave produced by the node. Valid values are "sine", "square", "sawtooth", "triangle" and "custom". The default is "sine".
detune
A detuning value (in cents) which will offset the frequency by the given amount. Its default is 0.
frequency
The frequency (in hertz) of the periodic waveform. Its default is 440.
periodicWave
An arbitrary period waveform described by a PeriodicWave object.
channelCount
Represents an integer used to determine how many channels are used when up-mixing and down-mixing connections to any inputs to the node. (See AudioNode.channelCount for more information.) Its usage and precise definition depend on the value of channelCountMode.
channelCountMode
Represents an enumerated value describing the way channels must be matched between the node's inputs and outputs. (See AudioNode.channelCountMode for more information including default values.)
channelInterpretation
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". (See AudioNode.channelCountMode for more information including default values.)
A new OscillatorNode object instance.
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