Strudel.cc meditation and ficus melody

Strudel.cc.meditation.focus.rb

// "Geography of Afterlight"
// Original generative ambient study
// Inspired by broad characteristics of Rafael Anton Irisarri's work.
//
// Start with low headphone/speaker volume.
// One complete harmonic journey takes several minutes.

// VISUALS — slow fog, erosion and distant light

await initHydra({ detectAudio: true })

a.setBins(4)
a.setSmooth(0.92)

noise(2.5, 0.035)
  .color(0.18, 0.28, 0.42)
  .contrast(1.25)
  .modulate(
    noise(1.1, 0.018),
    () => 0.08 + a.fft[0] * 0.12
  )
  .add(
    osc(3, 0.012, 0.8)
      .rotate(Math.PI / 2)
      .color(0.18, 0.24, 0.36)
      .luma(0.45, 0.25),
    () => 0.16 + a.fft[2] * 0.12
  )
  .add(
    osc(12, -0.006, 0.3)
      .rotate(() => Math.sin(time * 0.025) * 0.15)
      .color(0.04, 0.08, 0.14)
      .luma(0.55, 0.18),
    0.08
  )
  .saturate(0.7)
  .brightness(-0.04)
  .out(o0)

render(o0)

//////////////////////////////////////


setcps(0.12)


const harmony =
  "<[d2,a2,d3,e3] [bb1,f2,c3,d3] [f2,c3,g3,a3] [c2,g2,d3,e3]>/8"

// MAIN HARMONIC MASS
const drone = note(harmony)
  .sound("sawtooth")
  .attack(4)
  .decay(3)
  .sustain(0.75)
  .release(10)
  .lpf(sine.range(450, 1150).slow(16))
  .lpq(1.2)
  .vib(0.09)
  .vibmod(0.06)
  .shape(0.12)
  .room(0.92)
  .roomsize(8)
  .roomlp(4200)
  .roomdim(1500)
  .gain(0.22)
  .orbit(2)

// SOFTER FUNDAMENTAL BENEATH THE MAIN DRONE
const undertow = note(
  "<d1 d1 bb0 bb0 f1 f1 c1 c1>/8"
)
  .sound("sine")
  .attack(5)
  .release(12)
  .lpf(260)
  .vib(0.05)
  .vibmod(0.035)
  .room(0.72)
  .roomsize(7)
  .roomlp(1000)
  .gain(0.30)
  .orbit(3)

const fragments = note(
  "<d4 ~ a4 ~ [f4,a4] ~ e5 ~ d4 ~ c5 ~ a4 ~ f4 ~>/4"
)
  .sound("triangle")
  .fm(0.7)
  .fmh(1.5)
  .fmattack(0.8)
  .fmdecay(4)
  .fmsustain(0.05)
  .attack(0.08)
  .decay(3)
  .sustain(0)
  .release(6)
  .lpf(2400)
  .delay(0.32)
  .delaytime(0.75)
  .delayfeedback(0.58)
  .room(0.90)
  .roomsize(9)
  .roomlp(6000)
  .pan(sine.slow(12))
  .gain(0.18)
  .orbit(4)

// HIGH SHIMMER
const shimmer = note(
  "<~ d6 ~ a5 ~ e6 ~ ~ f5 ~ c6 ~ a5 ~ e6 ~>/8"
)
  .sound("sine")
  .fm(1.2)
  .fmh(2.01)
  .attack(1.5)
  .decay(5)
  .sustain(0)
  .release(9)
  .hpf(900)
  .lpf(6200)
  .delay(0.42)
  .delaytime(1.25)
  .delayfeedback(0.64)
  .room(0.96)
  .roomsize(10)
  .roomlp(7200)
  .pan(cosine.slow(16))
  .gain(0.11)
  .orbit(5)

// FOG: FILTERED PINK NOISE, RETRIGGERED FOR SLOW MOVEMENT
const fog = sound("pink")
  .seg(8)
  .attack(1.8)
  .decay(2)
  .sustain(0.35)
  .release(4)
  .hpf(sine.range(90, 280).slow(12))
  .lpf(sine.range(700, 2300).slow(20))
  .bpq(0.7)
  .room(0.88)
  .roomsize(8)
  .roomlp(3600)
  .pan(sine.slow(9))
  .gain(0.026)
  .orbit(6)

// DECAYED SURFACE NOISE
const erosion = sound("crackle")
  .density("<0.008 0.025 0.012 0.045>/8")
  .bpf(sine.range(700, 3600).slow(17))
  .bpq(1.4)
  .delay(0.28)
  .delaytime(0.5)
  .delayfeedback(0.44)
  .room(0.78)
  .roomsize(6)
  .roomlp(5000)
  .pan(rand)
  .gain(0.055)
  .orbit(7)

// OCCASIONAL LOW PRESSURE WAVE
const pressure = note(
  "<d1 ~ ~ ~ bb0 ~ ~ ~ f1 ~ ~ ~ c1 ~ ~ ~>/4"
)
  .sound("triangle")
  .attack(2.5)
  .decay(4)
  .sustain(0.2)
  .release(8)
  .lpf(190)
  .penv(-0.18)
  .pattack(3)
  .distort("0.7:0.45")
  .room(0.55)
  .roomsize(5)
  .roomlp(900)
  .gain(0.19)
  .orbit(8)

stack(
  drone,
  undertow,
  fragments,
  shimmer,
  fog,
  erosion,
  pressure
)