Packages

object BufWr extends Serializable

A UGen that writes a signal to a buffer, using an index pointer.

Warning: if the supplied buf refers to a buffer whose number of channels differs from those of the input signal, the UGen will fail silently.

An alternative to BufWr is RecordBuf . While RecordBuf advances the index into the buffer by itself, BufWr only moves its write point by the index input, making it possible to adjust the writing speed or to access the buffer in a non-linear way. RecordBuf can determine the end of the buffer and issue a done-action.

Examples
// record and playback
// a two second mono buffer
val b = Buffer.alloc(s, numFrames = s.sampleRate.toInt * 2)

val y = play {
  val sig  = SinOsc.ar(LFNoise1.kr(2).madd(300, 400)) * 0.1
  val rate = "rate" kr 1
  BufWr.ar(in = sig, buf = b.id, index =
    Phasor.ar(speed = BufRateScale.kr(b.id) * rate, lo = 0, hi = BufFrames.kr(b.id)))
  0.0 // quiet
}

// read it with a BufRd
val x = play {
  val rate = "rate" kr 1
  BufRd.ar(1, buf = b.id, index =
    Phasor.ar(speed = BufRateScale.kr(b.id) * rate, lo = 0, hi = BufFrames.kr(b.id)))
}

x.set("rate" -> 5)
y.set("rate" -> 3)
x.set("rate" -> 2)
See also

RecordBuf

BufRd

Phasor

BufFrames

BufRateScale

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  1. final def !=(arg0: Any): Boolean
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  4. def ar(in: GE, buf: GE, index: GE = 0.0f, loop: GE = 1): BufWr

    in

    input signal to record

    buf

    the identifier of the buffer to use

    index

    audio rate frame-index into the buffer.

    loop

    1 to enable looping, 0 to disable looping. this can be modulated.

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  12. def ir(in: GE, buf: GE, index: GE = 0.0f, loop: GE = 1): BufWr

    in

    input signal to record

    buf

    the identifier of the buffer to use

    index

    audio rate frame-index into the buffer.

    loop

    1 to enable looping, 0 to disable looping. this can be modulated.

  13. final def isInstanceOf[T0]: Boolean
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  14. def kr(in: GE, buf: GE, index: GE = 0.0f, loop: GE = 1): BufWr

    in

    input signal to record

    buf

    the identifier of the buffer to use

    index

    audio rate frame-index into the buffer.

    loop

    1 to enable looping, 0 to disable looping. this can be modulated.

  15. final def ne(arg0: AnyRef): Boolean
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