Packages

object PanB2 extends Serializable

A two dimensional Ambisonics B-format encoding UGen. B-format is the name for first order Ambisonics which normally has four channels W, X, Y, Z. By omitting the elevation control, we get a two dimensional planar encoded signal consisting only of the W, X and Y channels.

Note that unlike PanB, azimuth is normalized between -1 and +1.

Examples
// 4-channel rotation of opposite sounds
play {
  val p = WhiteNoise.ar(0.05)                     // first source
  val q = Mix(LFSaw.ar(Seq(200, 200.37))) * 0.03  // second source
  // B-format encode 2 signals at opposite sides of the circle
  val enc = PanB2.ar(p, -0.5) + PanB2.ar(q, +0.5)
  val Seq(w, x, y) = (0 to 2).map(enc \ _)
  val rot = Rotate2.ar(x, y, MouseX.kr(-1, +1))
  // B-format decode to quad (front-left, front-right, rear-left, rear-right)
  DecodeB2.ar(4, w, rot.xr, rot.yr)
}
See also

Pan2

DecodeB2

BiPanB2

PanB

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  4. def ar(in: GE, azimuth: GE = 0.0f, level: GE = 1.0f): PanB2

    in

    (monophonic) input signal to be encoded

    azimuth

    position around the circle from -1 to +1. -1 and +1 correspond to -180/+180 degrees (behind), -0.5 is 90 degrees to the left, 0 is frontal, +0.5 is 90 degrees to the right.

    level

    additional gain control

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  13. def kr(in: GE, azimuth: GE = 0.0f, level: GE = 1.0f): PanB2

    in

    (monophonic) input signal to be encoded

    azimuth

    position around the circle from -1 to +1. -1 and +1 correspond to -180/+180 degrees (behind), -0.5 is 90 degrees to the left, 0 is frontal, +0.5 is 90 degrees to the right.

    level

    additional gain control

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