object In extends ProductReader[In] with Serializable
A UGen that reads a signal from a bus. Whether an audio- or control-bus is used depends on the rate of the UGen.
In.ar and In.kr behave differently with respect to signals left on the bus
in the previous calculation cycle (control block): In.ar can access audio
signals that were generated in the current calculation cycle by synths appearing
earlier in the node tree. It does not read signals produced by nodes in the
previous calculation cycle (i.e. synths appearing later in the node tree), the
input would instead be zero. To allow such "feedback", InFeedback can be used.
In contrast, In.kr does not distinguish between "new" and "old" data: It will
always read the most recent value found on the bus, whether it was generated
earlier in this calculation cycle, left over from the last one, or set before by
the client.
Note: The server uses the first NumOutputBuses channels to write to the
sound card, followed by another NumInputBuses to read from the sound card. For
convenience, the pseudo-UGens PhysicalOut and PhysicalIn can be used.
Examples
// cross-synth routing // allocate an internal stereo audio-bus val bus = Bus.audio(s, 2) // writes to internal bus (initially inaudible) val x = play { Out.ar(bus.index, Dust.ar(Seq(345, 345))) } // reads internal bus and makes it audible. // must be after `x` to be able to read the bus signal val y = play(target = x, addAction = addAfter) { val in = In.ar(bus.index, 2) Resonz.ar(in, 555, 0.1) * 10 } // when done, do not forget to free the bus y.free(); x.free(); bus.free()
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- def ar(bus: GE, numChannels: Int = 1): In
- bus
index of the bus to read from. When
numChannelsis greater than one, the other channels or read from the adjacent indices.- numChannels
number of channels to read
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- def ir(bus: GE, numChannels: Int = 1): In
- bus
index of the bus to read from. When
numChannelsis greater than one, the other channels or read from the adjacent indices.- numChannels
number of channels to read
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- def kr(bus: GE, numChannels: Int = 1): In
- bus
index of the bus to read from. When
numChannelsis greater than one, the other channels or read from the adjacent indices.- numChannels
number of channels to read
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