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udo-collection.udo
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; collection of all UDOs in this repo
;;; maybe it needs some reorderning when some UDOs depend of each
;;; other
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
/* utilities */
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ctrl_tbl
;;; - allows indexing the numeric data from a text file with optional
;;; interpolation between values
;;; - aIndex -> any indexing input e.g. a phasor (0 - 1)
;;; - SFile -> path to .txt file with the numeric data (uses GEN23,
;;; see csound manual for information for this)
;;; - iInterp -> interpolation mode; 0 = no interpolation, 1 = linear
;;; interpolation, 3 = cubic interpolation
;;; - aOut -> indexed data
opcode ctrl_tbl,a,aSo
;; input
aIndex,SFile,iInterp xin
;; create table from file
iTable ftgen 0,0,0,-23,SFile
;; read the table
if iInterp == 1 then
aCtrl tablei aIndex,iTable,1
elseif iInterp == 0 then
aCtrl table aIndex,iTable,1
elseif iInterp == 3 then
aCtrl table3 aIndex,iTable,1
endif
;; output
xout aCtrl
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; split a stereo ft into two mono ft
opcode split_ft, ii, i
iFt xin
iFtSr = ftsr(iFt)
iFtLen = ftlen(iFt)
iLenHalf = iFtLen/2
iFt1 ftgen 0, 0, iLenHalf, 2, 0
iFt2 ftgen 0, 0, iLenHalf, 2, 0
ftslicei iFt, iFt1, 0, 0, 2
ftslicei iFt, iFt2, 1, 0, 2
xout iFt1, iFt2
endop
/* algorithm */
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; lorenz_array
;;; creates arrays based on the lorenz attractor
;;; for every plane in a 3D field it creates a array and calculates
;;; movement of a virtual point and saves the positions in the arrays
;;; - iArr_Size -> Size of array
;;; - iX_Start -> Start Value of the virtual point on x-axis
;;; - iY_Start -> Start Value of the virtual point on y-axis
;;; - iZ_Start -> Start Value of the virtual point on z-axis
;;; - iStepSize -> allows skipping of values that are written to the
;;; arrays
;;; - iSigma -> value of the constant Sigma; default to 10
;;; - iRho -> value of the constant Rho; default to 28
;;; - iBeta -> value of the constant Beta; default to 8/3
opcode lorenz_arrays, i[]i[]i[], iiiipjjj
iArr_Size, iX_Start, iY_Start, iZ_Start, iStepSize, iSigma, iRho, iBeta xin
iXarr[] init iArr_Size
iYarr[] init iArr_Size
iZarr[] init iArr_Size
ix init iX_Start
iy init iY_Start
iz init iZ_Start
if iSigma == -1 then
iSigma = 10
else
iSigma = iSigma
endif
if iRho == -1 then
iRho = 28
else
iRho = iRho
endif
if iBeta == -1 then
iBeta = 8./3.
else
iBeta = iBeta
endif
iDt = 0.001
iIndx init 0
iIndxIncr init 0
loop_write_array:
iXarr[iIndx] = ix
iYarr[iIndx] = iy
iZarr[iIndx] = iz
loop_step_size:
ix += (iSigma * (iy - ix)) * iDt
iy += (ix * (iRho - iz) - iy) * iDt
iz += ((ix * iy) - (iBeta * iz)) * iDt
loop_lt iIndxIncr, 1, iStepSize, loop_step_size
iIndxIncr = 0
loop_lt iIndx, 1, iArr_Size, loop_write_array
xout iXarr, iYarr, iZarr
endop
/* ambisonics */
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ambi_encode
;;; - encode a mono signal up to 8th order ambisonics
;;; - takes a mono signal and creates a audio-array in the size
;;; depending on iorder ((iorder+1)^2) as output
;;; - kaz = azimuth in degrees (0 - 360)
;;; - kel = eleveation in degrees (0 - 360)
;;; - render the file with 'fout' opcode in csound
opcode ambi_encode,a[],aikk
asnd,iorder,kaz,kel xin
aOutArr[] init (iorder+1)^2
kaz = $M_PI*kaz/180
kel = $M_PI*kel/180
kcos_el = cos(kel)
ksin_el = sin(kel)
kcos_az = cos(kaz)
ksin_az = sin(kaz)
aOutArr[0] = asnd ; W
aOutArr[1] = kcos_el*ksin_az*asnd ; Y = Y(1,-1)
aOutArr[2] = ksin_el*asnd ; Z = Y(1,0)
aOutArr[3] = kcos_el*kcos_az*asnd ; X = Y(1,1)
if iorder < 2 goto end
i2 = sqrt(3)/2
kcos_el_p2 = kcos_el*kcos_el
ksin_el_p2 = ksin_el*ksin_el
kcos_2az = cos(2*kaz)
ksin_2az = sin(2*kaz)
kcos_2el = cos(2*kel)
ksin_2el = sin(2*kel)
aOutArr[4] = i2*kcos_el_p2*ksin_2az*asnd ; V = Y(2,-2)
aOutArr[5] = i2*ksin_2el*ksin_az*asnd ; S = Y(2,-1)
aOutArr[6] = .5*(3*ksin_el_p2 - 1)*asnd ; R = Y(2,0)
aOutArr[7] = i2*ksin_2el*kcos_az*asnd ; S = Y(2,1)
aOutArr[8] = i2*kcos_el_p2*kcos_2az*asnd ; U = Y(2,2)
if iorder < 3 goto end
i31 = sqrt(5/8)
i32 = sqrt(15)/2
i33 = sqrt(3/8)
kcos_el_p3 = kcos_el*kcos_el_p2
ksin_el_p3 = ksin_el*ksin_el_p2
kcos_3az = cos(3*kaz)
ksin_3az = sin(3*kaz)
kcos_3el = cos(3*kel)
ksin_3el = sin(3*kel)
aOutArr[9] = i31*kcos_el_p3*ksin_3az*asnd ; Q = Y(3,-3)
aOutArr[10] = i32*ksin_el*kcos_el_p2*ksin_2az*asnd ; O = Y(3,-2)
aOutArr[11] = i33*kcos_el*(5*ksin_el_p2-1)*ksin_az*asnd ; M = Y(3,-1)
aOutArr[12] = .5*ksin_el*(5*ksin_el_p2-3)*asnd ; K = Y(3,0)
aOutArr[13] = i33*kcos_el*(5*ksin_el_p2-1)*kcos_az*asnd ; L = Y(3,1)
aOutArr[14] = i32*ksin_el*kcos_el_p2*kcos_2az*asnd ; N = Y(3,2)
aOutArr[15] = i31*kcos_el_p3*kcos_3az*asnd ; P = Y(3,3)
if iorder < 4 goto end
ic41 = (1/8)*sqrt(35)
ic42 = (1/2)*sqrt(35/2)
ic43 = sqrt(5)/4
ic44 = sqrt(5/2)/4
kcos_el_p4 = kcos_el*kcos_el_p3
ksin_el_p4 = ksin_el*ksin_el_p3
kcos_4az = cos(4*kaz)
ksin_4az = sin(4*kaz)
kcos_4el = cos(4*kel)
ksin_4el = sin(4*kel)
aOutArr[16] = ic41*kcos_el_p4*ksin_4az*asnd ; Y(4,-4)
aOutArr[17] = ic42*ksin_el*kcos_el_p3*ksin_3az*asnd ; Y(4,-3)
aOutArr[18] = ic43*(7.*ksin_el_p2 - 1.)*kcos_el_p2*ksin_2az*asnd ; Y(4,-2)
aOutArr[19] = ic44*ksin_2el*(7.*ksin_el_p2 - 3.)*ksin_az*asnd ; Y(4,-1)
aOutArr[20] = (1/8)*(35.*ksin_el_p4 - 30.*ksin_el_p2 + 3.)*asnd ; Y(4,0)
aOutArr[21] = ic44*ksin_2el*(7.*ksin_el_p2 - 3.)*kcos_az*asnd ; Y(4,1)
aOutArr[22] = ic43*(7.*ksin_el_p2 - 1.)*kcos_el_p2*kcos_2az*asnd ; Y(4,2)
aOutArr[23] = ic42*ksin_el*kcos_el_p3*kcos_3az*asnd ; Y(4,3)
aOutArr[24] = ic41*kcos_el_p4*kcos_4az*asnd ; Y(4,4)
if iorder < 5 goto end
ic51 = (3/8)*sqrt(7/2)
ic52 = (3/8)*sqrt(35)
ic53 = (1/8)*sqrt(35/2)
ic54 = sqrt(105)/4
ic55 = sqrt(15)/8
kcos_el_p5 = kcos_el*kcos_el_p4
ksin_el_p5 = ksin_el*ksin_el_p4
kcos_5az = cos(5*kaz)
ksin_5az = sin(5*kaz)
kcos_5el = cos(5*kel)
ksin_5el = sin(5*kel)
aOutArr[25] = ic51*kcos_el_p5*ksin_5az*asnd ; Y(5,-5)
aOutArr[26] = ic52*ksin_el*kcos_el_p4*ksin_4az*asnd ; Y(5,-4)
aOutArr[27] = ic53*(9*ksin_el_p2 - 1)*kcos_el_p3*ksin_3az*asnd ; Y(5,-3)
aOutArr[28] = ic54*ksin_el*(3*ksin_el_p2 - 1)*kcos_el_p2*ksin_2az*asnd ; Y(5,-2)
aOutArr[29] = ic55*(21*ksin_el_p4 - 14*ksin_el_p3 + 1)*kcos_el*ksin_az*asnd ; Y(5,-1)
aOutArr[30] = (1/8)*(63*ksin_el_p5 - 70*ksin_el_p3 + 15*ksin_el)*asnd ; Y(5,0)
aOutArr[31] = ic55*(21*ksin_el_p4 - 14*ksin_el_p3 + 1)*kcos_el*kcos_az*asnd ; Y(5,1)
aOutArr[32] = ic54*ksin_el*(3*ksin_el_p2 - 1)*kcos_el_p2*kcos_2az*asnd ; Y(5,2)
aOutArr[33] = ic53*(9*ksin_el_p2 - 1)*kcos_el_p3*kcos_3az*asnd ; Y(5,3)
aOutArr[34] = ic52*ksin_el*kcos_el_p4*kcos_4az*asnd ; Y(5,4)
aOutArr[35] = ic51*kcos_el_p5*kcos_5az*asnd ; Y(5,5)
if iorder < 6 goto end
ic61 = (1/16)*sqrt(231/2)
ic62 = (3/8)*sqrt(77/2)
ic63 = (3/16)*sqrt(7)
ic64 = (1/8)*sqrt(105/2)
ic65 = (1/16)*sqrt(105/2)
ic66 = (1/16)*sqrt(21)
kcos_el_p6 = kcos_el*kcos_el_p5
ksin_el_p6 = ksin_el*ksin_el_p5
kcos_6az = cos(6*kaz)
ksin_6az = sin(6*kaz)
kcos_6el = cos(6*kel)
ksin_6el = sin(6*kel)
aOutArr[36] = ic61*kcos_el_p6*ksin_6az*asnd
aOutArr[37] = ic62*ksin_el*kcos_el_p5*ksin_5az*asnd
aOutArr[38] = ic63*(11*ksin_el_p2 - 1)*kcos_el_p4*ksin_4az*asnd
aOutArr[39] = ic64*ksin_el*(11*ksin_el_p2 - 3)*kcos_el_p3*ksin_3az*asnd
aOutArr[40] = ic65*((33*ksin_el_p4) - 18*ksin_el_p2 + 1)*kcos_el_p2*ksin_2az*asnd
aOutArr[41] = ic66*ksin_2el*(33*ksin_el_p4 - 30*ksin_el_p2 + 5)*ksin_az*asnd
aOutArr[42] = (1/16)*(231*ksin_el_p6 - 315*ksin_el_p4 + 105*ksin_el_p2 - 5)*asnd
aOutArr[43] = ic66*ksin_2el*(33*ksin_el_p4 - 30*ksin_el_p2 + 5)*kcos_az*asnd
aOutArr[44] = ic65*((33*ksin_el_p4) - 18*ksin_el_p2 + 1)*kcos_el_p2*kcos_2az*asnd
aOutArr[45] = ic64*ksin_el*(11*ksin_el_p2 - 3)*kcos_el_p3*kcos_3az*asnd
aOutArr[46] = ic63*(11*ksin_el_p2 - 1)*kcos_el_p4*kcos_4az*asnd
aOutArr[47] = ic62*ksin_el*kcos_el_p5*kcos_5az*asnd
aOutArr[48] = ic61*kcos_el_p6*kcos_6az*asnd
if iorder < 7 goto end
ic71 = (3/32)*sqrt(143/3)
ic72 = (3/16)*sqrt(101/3)
ic73 = (3/32)*sqrt(77/3)
ic74 = (3/16)*sqrt(77/3)
ic75 = (3/32)*sqrt(7/3)
ic76 = (3/16)*sqrt(7/6)
ic77 = (1/32)*sqrt(7)
kcos_el_p7 = kcos_el*kcos_el_p6
ksin_el_p7 = ksin_el*ksin_el_p6
kcos_7az = cos(7*kaz)
ksin_7az = sin(7*kaz)
kcos_7el = cos(7*kel)
ksin_7el = sin(7*kel)
aOutArr[49] = ic71*kcos_el_p7*ksin_7az*asnd
aOutArr[50] = ic72*ksin_el*kcos_el_p6*ksin_6az*asnd
aOutArr[51] = ic73*(13*ksin_el_p2 - 1)*kcos_el_p5*ksin_5az*asnd
aOutArr[52] = ic74*(13*ksin_el_p3 - 3*ksin_el)*kcos_el_p4*ksin_4az*asnd
aOutArr[53] = ic75*(143*ksin_el_p4 - 66*ksin_el_p2 + 3)*kcos_el_p3*ksin_3az*asnd
aOutArr[54] = ic76*(143*ksin_el_p5 - 110*ksin_el_p3 + 15*ksin_el)*kcos_el_p2*ksin_2az*asnd
aOutArr[55] = ic77*(429*ksin_el_p6 - 495*ksin_el_p4 + 135*ksin_el_p2 - 5)*kcos_el*ksin_az*asnd
aOutArr[56] = (1/16)*(429*ksin_el_p7 - 693*ksin_el_p5 + 315*ksin_el_p3 - 35*ksin_el)*asnd
aOutArr[57] = ic77*(429*ksin_el_p6 - 495*ksin_el_p4 + 135*ksin_el_p2 - 5)*kcos_el*kcos_az*asnd
aOutArr[58] = ic76*(143*ksin_el_p5 - 110*ksin_el_p3 + 15*ksin_el)*kcos_el_p2*kcos_2az*asnd
aOutArr[59] = ic75*(143*ksin_el_p4 - 66*ksin_el_p2 + 3)*kcos_el_p3*kcos_3az*asnd
aOutArr[60] = ic74*(13*ksin_el_p3 - 3*ksin_el)*kcos_el_p4*kcos_4az*asnd
aOutArr[61] = ic73*(13*ksin_el_p2 - 1)*kcos_el_p5*kcos_5az*asnd
aOutArr[62] = ic72*ksin_el*kcos_el_p6*kcos_6az*asnd
aOutArr[63] = ic71*kcos_el_p7*kcos_7az*asnd
if iorder < 8 goto end
ic81 = (3/128)*sqrt(715)
ic82 = (3/32)*sqrt(715)
ic83 = (1/32)*sqrt(429/2)
ic84 = (3/32)*sqrt(1001)
ic85 = (3/64)*sqrt(77)
ic86 = (1/32)*sqrt(1155)
ic87 = (3/32)*sqrt(35/2)
ic88 = (3/32)
kcos_el_p8 = kcos_el*kcos_el_p7
ksin_el_p8 = ksin_el*ksin_el_p7
kcos_8az = cos(8*kaz)
ksin_8az = sin(8*kaz)
kcos_8el = cos(8*kel)
ksin_8el = sin(8*kel)
aOutArr[64] = ic81*kcos_el_p8*ksin_8az*asnd
aOutArr[65] = ic82*ksin_el*kcos_el_p7*ksin_7az*asnd
aOutArr[66] = ic83*(15*ksin_el_p2 - 1)*kcos_el_p6*ksin_6az*asnd
aOutArr[67] = ic84*(5*ksin_el_p3 - ksin_el)*kcos_el_p5*ksin_5az*asnd
aOutArr[68] = ic85*(65*ksin_el_p4 - 26*ksin_el_p2 + 1)*kcos_el_p4*ksin_4az*asnd
aOutArr[69] = ic86*(39*ksin_el_p5 - 26*ksin_el_p3 + 3*ksin_el)*kcos_el_p3*ksin_3az*asnd
aOutArr[70] = ic87*(143*ksin_el_p6 - 143*ksin_el_p4 + 33*ksin_el_p2 - 1)*kcos_el_p2*ksin_2az*asnd
aOutArr[71] = ic88*(715*ksin_el_p7 - 1001*ksin_el_p5 + 385*ksin_el_p3 - 35*ksin_el)*kcos_el*ksin_az*asnd
aOutArr[72] = (1/128)*(6435*ksin_el_p8 - 12012*ksin_el_p6 + 6930*ksin_el_p4 - 1260*ksin_el_p2 + 35)*asnd
aOutArr[73] = ic88*(715*ksin_el_p7 - 1001*ksin_el_p5 + 385*ksin_el_p3 - 35*ksin_el)*kcos_el*kcos_az*asnd
aOutArr[74] = ic87*(143*ksin_el_p6 - 143*ksin_el_p4 + 33*ksin_el_p2 - 1)*kcos_el_p2*kcos_2az*asnd
aOutArr[75] = ic86*(39*ksin_el_p5 - 26*ksin_el_p3 + 3*ksin_el)*kcos_el_p3*kcos_3az*asnd
aOutArr[76] = ic85*(65*ksin_el_p4 - 26*ksin_el_p2 + 1)*kcos_el_p4*kcos_4az*asnd
aOutArr[77] = ic84*(5*ksin_el_p3 - ksin_el)*kcos_el_p5*kcos_5az*asnd
aOutArr[78] = ic83*(15*ksin_el_p2 - 1)*kcos_el_p6*kcos_6az*asnd
aOutArr[79] = ic82*ksin_el*kcos_el_p7*kcos_7az*asnd
aOutArr[80] = ic81*kcos_el_p8*kcos_8az*asnd
end:
xout aOutArr
; original by Martin Neukom
; edit by Philipp Neumann
endop
/* synthesizer */
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sine
;;; - creates sine wave and uses the sine function instead of a
;;; wavetable
;;; - kAmp -> output amplitude
;;; - kFreq -> base freq
opcode sine,a,kk
kAmp,kFreq xin
aSine = sin(phasor:a(kFreq)*2*$M_PI)
aSine *= kAmp
xout aSine
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sine_beatings
;;; - creates sine tones with rhythmic beatings; uses sine function
;;; instead of a wavetable
;;; - kAmp -> output amplitude
;;; - kFreq -> base freq
;;; - kBeatings -> number of beatings per second
opcode sine_beatings,a,kkk
;; sine synthesizer for creating beatings
;; kBeatings = number of beatings per second
;; sine waves are made with sine functions and not with wavetable
kAmp,kFreq,kBeatings xin
kFreq1 = kFreq+(kBeatings/2)
kFreq2 = kFreq-(kBeatings/2)
aSin1 = sin(phasor:a(kFreq1)*2*$M_PI)
aSin2 = sin(phasor:a(kFreq2)*2*$M_PI)
aSin1 *= 0.5
aSin2 *= 0.5
aSin sum aSin1,aSin2
aSin *= kAmp
xout aSin
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sine_oct
;;; - similiar to 'hsboscil' opcode but with sine-wave function instead
;;; of wavetable synthesis
;;; - generates a spectrum of sine waves in the distance of octaves;
;;; this spectrum is then windowed by a bandpass filter; the size of
;;; the bandpass filter is defined by kSize
;;; - kFreq -> BaseFreq
;;; - kCenter -> which partial is in center of the BP (0 = basefreq; 1 =
;;; first octave, and so on)
;;; - kSize -> how big is the window in semitones up and down the
;;; octave (1 = 1 semitone down and up -> 2 semitones)
opcode sine_oct,a,kkk
kFreq,kCenter,kSize xin
;; sine signals
aSig0 = sin(phasor:a(kFreq)*2*$M_PI)
aSig1 = sin(phasor:a(kFreq*2)*2*$M_PI)
aSig2 = sin(phasor:a(kFreq*4)*2*$M_PI)
aSig3 = sin(phasor:a(kFreq*8)*2*$M_PI)
aSig4 = sin(phasor:a(kFreq*16)*2*$M_PI)
aSig5 = sin(phasor:a(kFreq*32)*2*$M_PI)
aSig6 = sin(phasor:a(kFreq*64)*2*$M_PI)
aSig7 = sin(phasor:a(kFreq*128)*2*$M_PI)
aSig8 = sin(phasor:a(kFreq*256)*2*$M_PI)
aSig9 = sin(phasor:a(kFreq*512)*2*$M_PI)
aSig10 = sin(phasor:a(kFreq*1024)*2*$M_PI)
aSig sum \
aSig0/11,aSig1/11,aSig2/11,aSig3/11,aSig4/11,aSig5/11,aSig6/11,aSig7/11,aSig8/11,aSig9/11,aSig10/11
;; bp filtering
iFactor ftgen 0,0,0,-2,1,2,4,8,16,32,64,128,256,512,1024
kPartial tablei kCenter,iFactor
kCF = kPartial*kFreq
kLP = kCF*2^(kSize/12)
kHP = kCF*2^(-kSize/12)
aLP butterlp aSig,limit:k(kLP,10,19999)
aSine butterhp aLP,limit:k(kHP,10,19999)
aSine balance aSine,aSig
xout aSine
;; by philipp von neumann
endop
/* instruments */
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ft_looper_stereo
;; function table looper with two voices, optional phasedistortion of
;; the readhead and masking table for both voices
;; - kSpeed -> transposition factor
;; - kLoopStart -> 0-1, Position in Soundfile
;; - kLoopSize -> size of loopsegment in MS
;; - iStereoOffset -> 0-1, offset of the both voices
;; - iWndwFt -> window function for
;; - iPhaseDistTable -> FT for the phasedistortion
;; - kMaskArr[] -> masking array for voices
opcode ft_looper_stereo, aa, ikkkiiik[]
setksmps 1
iFt, kSpeed, kLoopStart, kLoopSize, iStereoOffset, iWndwFt, iPhaseDistTable, kMaskArr[] xin
// read data from table
if ftchnls(iFt) == 2 then
iFt1, iFt2 split_ft iFt
else
iFt1 = iFt
iFt2 = iFt
endif
iSndflTbl1 = iFt1
iSndflTbl2 = iFt2
// calculate size
iSndflSamps = ftlen(iFt1)
iSndflSr = ftsr(iFt)
iSndflSeconds = iSndflSamps / iSndflSr
iSndflMs = iSndflSeconds * 1000 ;; size of ft in MS
kSize = ((kLoopSize / 1000) * iSndflSr) ;; loop size in samples
// main phasor
kSizeFactor = kSize / iSndflSamps
kPhasorSpeed = (kSpeed / iSndflSeconds)
kPhasorSpeed = kPhasorSpeed / kSizeFactor
aSyncOut1 init 1
aSyncOut2 init 1
kPhasorSpeed1 = (k(aSyncOut1) == 1 ? kPhasorSpeed : kPhasorSpeed1)
kPhasorSpeed2 = (k(aSyncOut2) == 1 ? kPhasorSpeed : kPhasorSpeed2)
iOff1 = iStereoOffset
aSyncIn init 0
aMainPhasor1,aSyncOut1 syncphasor kPhasorSpeed1,aSyncIn
aMainPhasor2,aSyncOut2 syncphasor kPhasorSpeed2,aSyncIn,iOff1
// phase distortion
aPhaseDst1 tablei aMainPhasor1, iPhaseDistTable, 1
aPhaseDst2 tablei aMainPhasor2, iPhaseDistTable, 1
// soundfile table
kStart = kLoopStart * iSndflSamps
kSize1 = (k(aSyncOut1) == 1 ? kSize : kSize1)
kSize2 = (k(aSyncOut2) == 1 ? kSize : kSize2)
kStart1 = (k(aSyncOut1) == 1 ? kStart : kStart1)
kStart2 = (k(aSyncOut2) == 1 ? kStart : kStart2)
aSndfl1 table3 (aPhaseDst1 * kSize1)+kStart1,iSndflTbl1,0,0,1
aSndfl2 table3 (aPhaseDst2 * kSize2)+kStart2,iSndflTbl2,0,0,1
// window table
aWin1 table3 aMainPhasor1,iWndwFt,1
aWin2 table3 aMainPhasor2,iWndwFt,1
aOut1 = aWin1*aSndfl1
aOut2 = aWin2*aSndfl2
// masking
kMaskArr1[],kMaskArr2[] deinterleave kMaskArr
kMaskCount1 init 0
kMaskCount2 init 0
kMaskCount1 = (k(aSyncOut1) == 1 ? kMaskCount1+1 : kMaskCount1)
kMaskCount1 = kMaskCount1 % lenarray:i(kMaskArr1)
kMaskCount2 = (k(aSyncOut2) == 1 ? kMaskCount2+1 : kMaskCount2)
kMaskCount2 = kMaskCount2 % lenarray:i(kMaskArr2)
aOut1 = aOut1*kMaskArr1[kMaskCount1]
aOut2 = aOut2*kMaskArr2[kMaskCount2]
;; output
xout aOut1, aOut2
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sndfl_looper
;;; - loop segments from a soundfile with playback speed control
;;; (which alters the pitch), control of the loop start point, the
;;; size of the loop segment, a offset between two playheads to create
;;; a stereo effect and a predefined windowing function table
;;; - SFile -> path to soundfile
;;; - kSpeed -> factor for playback speed -> 1 = original speed, 2 =
;;; double speed, 0.5 = half speed, -1 = original speed but backwards
;;; - kLoopStart -> position of the loop playback (between 0 and 1)
;;; while 0 start of the file and 1 = end of the file
;;; - kLoopSize -> size of the loop segment as a factor (usually a value between
;;; 0.0001 and 1; 1 = the whole sound (factor*length of the soundfile)
;;; - kStereoOffset -> creates a offset between two playheads; a value
;;; between 0 and 1; when this value is changed, the instrument is
;;; reninitalisated, so be carefull with changing this parameter
;;; during playback, could resolve in clicks
/* sndfl looping */
opcode sndfl_looper, aa, Skkkki
SFile,kSpeed,kLoopStart,kLoopSize,kStereoOffset,iWndwFt xin
setksmps 1
;; read data from soundfil
iSndflSec filelen SFile
iSndflSr filesr SFile
iSndflSamps = iSndflSec*iSndflSr
;; create the tables for the soundfile
iSndflNumChnls filenchnls SFile
if iSndflNumChnls == 1 then
iSndflTbl1 ftgen 0,0,0,1,SFile,0,0,1
iSndflTbl2 = iSndflTbl1
elseif iSndflNumChnls == 2 then
iSndflTbl1 ftgen 0,0,0,1,SFile,0,0,1
iSndflTbl2 ftgen 0,0,0,1,SFile,0,0,2
endif
;; parameter for the table reading
kChange changed kStereoOffset
if kChange == 1 then
reinit UPDATE
endif
kSpeed = kSpeed
kStart = (kLoopStart*iSndflSamps)
kSize = kLoopSize*iSndflSamps
kPhasorSpeed = kSpeed/(kSize/iSndflSr)
aSyncIn init 0
aSyncOut1 init 1
aSyncOut2 init 1
kPhasorSpeed1 = (k(aSyncOut1) == 1 ? kPhasorSpeed : kPhasorSpeed1)
kPhasorSpeed2 = (k(aSyncOut2) == 1 ? kPhasorSpeed : kPhasorSpeed2)
UPDATE:
aIndex1,aSyncOut1 syncphasor kPhasorSpeed1,aSyncIn
aIndex2,aSyncOut2 syncphasor kPhasorSpeed2,aSyncIn,i(kStereoOffset)
kSize1 = (k(aSyncOut1) == 1 ? kSize : kSize1)
kSize2 = (k(aSyncOut2) == 1 ? kSize : kSize2)
kStart1 = (k(aSyncOut1) == 1 ? kStart : kStart1)
kStart2 = (k(aSyncOut2) == 1 ? kStart : kStart2)
aSndfl1 table3 (aIndex1*kSize1)+kStart1,iSndflTbl1,0,0,1
aSndfl2 table3 (aIndex2*kSize2)+kStart2,iSndflTbl2,0,0,1
aWin1 table3 aIndex1,iWndwFt,1
aWin2 table3 aIndex2,iWndwFt,1
;; output
aSndfl1 *= aWin1
aSndfl2 *= aWin2
xout aSndfl1,aSndfl2
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sndfl_looper2
;;; - loop segments from a soundfile with playback speed control
;;; (which alters the pitch), control of the loop start point, the
;;; size of the loop segment, a offset between two playheads to create
;;; a stereo effect and a predefined windowing function table
;;; - sndfl_looper2 allows for individual segment masking to create
;;; rhythmic effects
;;; - SFile -> path to soundfile
;;; - kSpeed -> factor for playback speed -> 1 = original speed, 2 =
;;; double speed, 0.5 = half speed, -1 = original speed but backwards
;;; - kLoopStart -> position of the loop playback (between 0 and 1)
;;; while 0 start of the file and 1 = end of the file
;;; - kLoopSize -> size of the loop segment as a factor (usually a value between
;;; 0.0001 and 1; 1 = the whole sound (factor*length of the soundfile)
;;; - kStereoOffset -> creates a offset between two playheads; a value
;;; between 0 and 1; when this value is changed, the instrument is
;;; reninitalisated, so be carefull with changing this parameter
;;; during playback, could resolve in clicks
;;; - kMaskArr -> masking of the individual events; the array is
;;; deinterleaved into two arrays inside the UDO, one for each
;;; playbackhead; so take into account that when kStereoOffset is 0
;;; then you need to thinkg in value pairs for the masking, else you
;;; don't hear the masking how it is planned
/* sndfl looping with masking */
opcode sndfl_looper2, aa, Skkkkik[]
SFile,kSpeed,kLoopStart,kLoopSize,kStereoOffset,iWndwFt,kMaskArr[] xin
setksmps 1
;; read data from soundfil
iSndflSec filelen SFile
iSndflSr filesr SFile
iSndflSamps = iSndflSec*iSndflSr
;; create the tables for the soundfile
iSndflNumChnls filenchnls SFile
if iSndflNumChnls == 1 then
iSndflTbl1 ftgen 0,0,0,1,SFile,0,0,1
iSndflTbl2 = iSndflTbl1
elseif iSndflNumChnls == 2 then
iSndflTbl1 ftgen 0,0,0,1,SFile,0,0,1
iSndflTbl2 ftgen 0,0,0,1,SFile,0,0,2
endif
;; parameter for the table reading
kChange changed kStereoOffset
if kChange == 1 then
reinit UPDATE
endif
kSpeed = kSpeed
kStart = (kLoopStart*iSndflSamps)
kSize = kLoopSize*iSndflSamps
kPhasorSpeed = kSpeed/(kSize/iSndflSr)
aSyncIn init 0
aSyncOut1 init 1
aSyncOut2 init 1
kPhasorSpeed1 = (k(aSyncOut1) == 1 ? kPhasorSpeed : kPhasorSpeed1)
kPhasorSpeed2 = (k(aSyncOut2) == 1 ? kPhasorSpeed : kPhasorSpeed2)
UPDATE:
aIndex1,aSyncOut1 syncphasor kPhasorSpeed1,aSyncIn
aIndex2,aSyncOut2 syncphasor kPhasorSpeed2,aSyncIn,i(kStereoOffset)
kSize1 = (k(aSyncOut1) == 1 ? kSize : kSize1)
kSize2 = (k(aSyncOut2) == 1 ? kSize : kSize2)
kStart1 = (k(aSyncOut1) == 1 ? kStart : kStart1)
kStart2 = (k(aSyncOut2) == 1 ? kStart : kStart2)
aSndfl1 table3 (aIndex1*kSize1)+kStart1,iSndflTbl1,0,0,1
aSndfl2 table3 (aIndex2*kSize2)+kStart2,iSndflTbl2,0,0,1
aWin1 table3 aIndex1,iWndwFt,1
aWin2 table3 aIndex2,iWndwFt,1
aSig1 = aWin1*aSndfl1
aSig2 = aWin2*aSndfl2
;; masking
kMaskArr1[],kMaskArr2[] deinterleave kMaskArr
kMaskCount1 init 0
kMaskCount2 init 0
kMaskCount1 = (k(aSyncOut1) == 1 ? kMaskCount1+1 : kMaskCount1)
kMaskCount1 = kMaskCount1 % lenarray:i(kMaskArr1)
kMaskCount2 = (k(aSyncOut2) == 1 ? kMaskCount2+1 : kMaskCount2)
kMaskCount2 = kMaskCount2 % lenarray:i(kMaskArr2)
aSig1 *= kMaskArr1[kMaskCount1]
aSig2 *= kMaskArr2[kMaskCount2]
;; output
xout aSig1,aSig2
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sndfl_looper_ambi !needs the ambi_encode UDO!
;;; - loop segments from a soundfile with playback speed control
;;; (which alters the pitch), control of the loop start point, the
;;; size of the loop segment, a offset between two playheads to create
;;; a stereo effect and a predefined windowing function table
;;; - sndfl_looper_ambi puts out an encoded ambisonics audio array up
;;; to 8th order; every loop segment is having a fixed position
;;; defined by kAzi and kAlti
;;; - SInFile -> path to soundfile
;;; - kSpeed -> factor for playback speed -> 1 = original speed, 2 =
;;; double speed, 0.5 = half speed, -1 = original speed but backwards
;;; - kLoopStart -> position of the loop playback (between 0 and 1)
;;; while 0 start of the file and 1 = end of the file
;;; - kLoopSize -> size of the loop segment as a factor (usually a value between
;;; 0.0001 and 1; 1 = the whole sound (factor*length of the soundfile)
;;; - kStereoOffset -> creates a offset between two playheads; a value
;;; between 0 and 1; when this value is changed, the instrument is
;;; reninitalisated, so be carefull with changing this parameter
;;; during playback, could resolve in clicks
;;; - kAzi -> Azimuth value as degree value of a circle (0 - 360)
;;; - kAlti -> Altitude / elevation value as degree value of a circle (0 - 360)
;;; - kMask -> masking of the individual events; for example to create
;;; amplitude envelopes
;;; - iOrder -> order of the ambisonics encoding -> up to 8th order;
;;; defines the size of the output array
opcode sndfl_looper_ambi,a[],Skkkkikkki
;; inputs
SInFile,kSpeed,kLoopStart,kLoopSize,kStereoOffset,iWndwFt,kAzi,kAlti,kMask,iOrder xin
setksmps 1
iAmbiChn = (iOrder+1)^2
;; read data from soundfil
iSndflSec filelen SInFile
iSndflSr filesr SInFile
iSndflSamps = iSndflSec*iSndflSr
;; create the table for the soundfile
iSndflNumChnls filenchnls SInFile
if iSndflNumChnls == 1 then
iSndflTbl1 ftgen 0,0,0,1,SInFile,0,0,1
iSndflTbl2 = iSndflTbl1
elseif iSndflNumChnls == 2 then
iSndflTbl1 ftgen 0,0,0,1,SInFile,0,0,1
iSndflTbl2 ftgen 0,0,0,1,SInFile,0,0,2
endif
;; parameter for the table reading
kChange changed kStereoOffset
if kChange == 1 then
reinit UPDATE
endif
kSpeed = kSpeed
kStart = (kLoopStart*iSndflSamps)
kSize = kLoopSize*iSndflSamps
kPhasorSpeed = kSpeed/(kSize/iSndflSr)
aSyncIn init 0
aSyncOut1 init 1
aSyncOut2 init 1
kPhasorSpeed1 = (k(aSyncOut1) == 1 ? kPhasorSpeed : kPhasorSpeed1)
kPhasorSpeed2 = (k(aSyncOut2) == 1 ? kPhasorSpeed : kPhasorSpeed2)
UPDATE:
aIndex1,aSyncOut1 syncphasor kPhasorSpeed1,aSyncIn
aIndex2,aSyncOut2 syncphasor kPhasorSpeed2,aSyncIn,i(kStereoOffset)
kSize1 = (k(aSyncOut1) == 1 ? kSize : kSize1)
kSize2 = (k(aSyncOut2) == 1 ? kSize : kSize2)
kStart1 = (k(aSyncOut1) == 1 ? kStart : kStart1)
kStart2 = (k(aSyncOut2) == 1 ? kStart : kStart2)
aWin1 table aIndex1,iWndwFt,1
aWin2 table aIndex2,iWndwFt,1
kArrCount1 = (k(aSyncOut1) == 1 ? kArrCount1+1 : kArrCount1)
kArrCount1 = kArrCount1 % iAmbiChn
kArrCount2 = (k(aSyncOut2) == 1 ? kArrCount2+1 : kArrCount2)
kArrCount2 = kArrCount2 % iAmbiChn
aSig1 table3 (aIndex1*kSize1)+kStart1,iSndflTbl1,0,0,1
aSig2 table3 (aIndex2*kSize2)+kStart2,iSndflTbl2,0,0,1
aSig1 *= aWin1
aSig2 *= aWin2
;; masking
kMaskReal1 init i(kMask)
kMaskReal2 init i(kMask)
kMaskReal1 = (k(aSyncOut1) == 1 ? kMask : kMaskReal1)
kMaskReal2 = (k(aSyncOut2) == 1 ? kMask : kMaskReal2)
aSig1 *= kMaskReal1
aSig2 *= kMaskReal2
;; spatialization
aEncArr1[] init iAmbiChn
aEncArr2[] init iAmbiChn
kAziReal1 init i(kAzi)
kAziReal2 init i(kAzi)
kAltiReal1 init i(kAlti)
kAltiReal2 init i(kAlti)
kAziReal1 = (k(aSyncOut1) == 1 ? kAzi : kAziReal1)
kAziReal2 = (k(aSyncOut2) == 1 ? kAzi : kAziReal2)
kAltiReal1 = (k(aSyncOut1) == 1 ? kAlti : kAltiReal1)
kAltiReal2 = (k(aSyncOut2) == 1 ? kAlti : kAltiReal2)
aEncArr1 ambi_encode aSig1,iOrder,kAziReal1,kAltiReal1
aEncArr2 ambi_encode aSig2,iOrder,kAziReal2,kAltiReal2
;; sum arrays
aOutArr[] init iAmbiChn
trim aOutArr,iAmbiChn
aOutArr[0] sum aEncArr1[0]/2,aEncArr2[0]/2
aOutArr[1] sum aEncArr1[1]/2,aEncArr2[1]/2
aOutArr[2] sum aEncArr1[2]/2,aEncArr2[2]/2
aOutArr[3] sum aEncArr1[3]/2,aEncArr2[3]/2
if iOrder < 2 goto end
aOutArr[4] sum aEncArr1[4]/2,aEncArr2[4]/2
aOutArr[5] sum aEncArr1[5]/2,aEncArr2[5]/2
aOutArr[6] sum aEncArr1[6]/2,aEncArr2[6]/2
aOutArr[7] sum aEncArr1[7]/2,aEncArr2[7]/2
aOutArr[8] sum aEncArr1[8]/2,aEncArr2[8]/2
if iOrder < 3 goto end
aOutArr[9] sum aEncArr1[9]/2,aEncArr2[9]/2
aOutArr[10] sum aEncArr1[10]/2,aEncArr2[10]/2
aOutArr[11] sum aEncArr1[11]/2,aEncArr2[11]/2
aOutArr[12] sum aEncArr1[12]/2,aEncArr2[12]/2
aOutArr[13] sum aEncArr1[13]/2,aEncArr2[13]/2
aOutArr[14] sum aEncArr1[14]/2,aEncArr2[14]/2
aOutArr[15] sum aEncArr1[15]/2,aEncArr2[15]/2
if iOrder < 4 goto end
aOutArr[16] sum aEncArr1[16]/2,aEncArr2[16]/2
aOutArr[17] sum aEncArr1[17]/2,aEncArr2[17]/2
aOutArr[18] sum aEncArr1[18]/2,aEncArr2[18]/2
aOutArr[19] sum aEncArr1[19]/2,aEncArr2[19]/2
aOutArr[20] sum aEncArr1[20]/2,aEncArr2[20]/2
aOutArr[21] sum aEncArr1[21]/2,aEncArr2[21]/2
aOutArr[22] sum aEncArr1[22]/2,aEncArr2[22]/2
aOutArr[23] sum aEncArr1[23]/2,aEncArr2[23]/2
aOutArr[24] sum aEncArr1[24]/2,aEncArr2[24]/2
if iOrder < 5 goto end
aOutArr[25] sum aEncArr1[25]/2,aEncArr2[25]/2
aOutArr[26] sum aEncArr1[26]/2,aEncArr2[26]/2
aOutArr[27] sum aEncArr1[27]/2,aEncArr2[27]/2
aOutArr[28] sum aEncArr1[28]/2,aEncArr2[28]/2
aOutArr[29] sum aEncArr1[29]/2,aEncArr2[29]/2
aOutArr[30] sum aEncArr1[30]/2,aEncArr2[30]/2
aOutArr[31] sum aEncArr1[31]/2,aEncArr2[31]/2
aOutArr[32] sum aEncArr1[32]/2,aEncArr2[32]/2
aOutArr[33] sum aEncArr1[33]/2,aEncArr2[33]/2
aOutArr[34] sum aEncArr1[34]/2,aEncArr2[34]/2
aOutArr[35] sum aEncArr1[35]/2,aEncArr2[35]/2
if iOrder < 6 goto end
aOutArr[36] sum aEncArr1[36]/2,aEncArr2[36]/2
aOutArr[37] sum aEncArr1[37]/2,aEncArr2[37]/2
aOutArr[38] sum aEncArr1[38]/2,aEncArr2[38]/2
aOutArr[39] sum aEncArr1[39]/2,aEncArr2[39]/2
aOutArr[40] sum aEncArr1[40]/2,aEncArr2[40]/2
aOutArr[41] sum aEncArr1[41]/2,aEncArr2[41]/2
aOutArr[42] sum aEncArr1[42]/2,aEncArr2[42]/2
aOutArr[43] sum aEncArr1[43]/2,aEncArr2[43]/2
aOutArr[44] sum aEncArr1[44]/2,aEncArr2[44]/2
aOutArr[45] sum aEncArr1[45]/2,aEncArr2[45]/2
aOutArr[46] sum aEncArr1[46]/2,aEncArr2[46]/2
aOutArr[47] sum aEncArr1[47]/2,aEncArr2[47]/2
aOutArr[48] sum aEncArr1[48]/2,aEncArr2[48]/2
if iOrder < 7 goto end
aOutArr[49] sum aEncArr1[49]/2,aEncArr2[49]/2
aOutArr[50] sum aEncArr1[50]/2,aEncArr2[50]/2
aOutArr[51] sum aEncArr1[51]/2,aEncArr2[51]/2
aOutArr[52] sum aEncArr1[52]/2,aEncArr2[52]/2
aOutArr[53] sum aEncArr1[53]/2,aEncArr2[53]/2
aOutArr[54] sum aEncArr1[54]/2,aEncArr2[54]/2
aOutArr[55] sum aEncArr1[55]/2,aEncArr2[55]/2
aOutArr[56] sum aEncArr1[56]/2,aEncArr2[56]/2
aOutArr[57] sum aEncArr1[57]/2,aEncArr2[57]/2
aOutArr[58] sum aEncArr1[58]/2,aEncArr2[58]/2
aOutArr[59] sum aEncArr1[59]/2,aEncArr2[59]/2
aOutArr[60] sum aEncArr1[60]/2,aEncArr2[60]/2
aOutArr[61] sum aEncArr1[61]/2,aEncArr2[61]/2
aOutArr[62] sum aEncArr1[62]/2,aEncArr2[62]/2
aOutArr[63] sum aEncArr1[63]/2,aEncArr2[63]/2
if iOrder < 8 goto end
aOutArr[64] sum aEncArr1[64]/2,aEncArr2[64]/2
aOutArr[65] sum aEncArr1[65]/2,aEncArr2[65]/2
aOutArr[66] sum aEncArr1[66]/2,aEncArr2[66]/2
aOutArr[67] sum aEncArr1[67]/2,aEncArr2[67]/2
aOutArr[68] sum aEncArr1[68]/2,aEncArr2[68]/2
aOutArr[69] sum aEncArr1[69]/2,aEncArr2[69]/2
aOutArr[70] sum aEncArr1[70]/2,aEncArr2[70]/2
aOutArr[71] sum aEncArr1[71]/2,aEncArr2[71]/2
aOutArr[72] sum aEncArr1[72]/2,aEncArr2[72]/2
aOutArr[73] sum aEncArr1[73]/2,aEncArr2[73]/2
aOutArr[74] sum aEncArr1[74]/2,aEncArr2[74]/2
aOutArr[75] sum aEncArr1[75]/2,aEncArr2[75]/2
aOutArr[76] sum aEncArr1[76]/2,aEncArr2[76]/2
aOutArr[77] sum aEncArr1[77]/2,aEncArr2[77]/2
aOutArr[78] sum aEncArr1[78]/2,aEncArr2[78]/2
aOutArr[79] sum aEncArr1[79]/2,aEncArr2[79]/2
aOutArr[80] sum aEncArr1[80]/2,aEncArr2[80]/2
end:
;; output
xout aOutArr
;; by philipp von neumann
endop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; sndfl_looper2_ambi !needs the ambi_encode UDO!
;;; - loop segments from a soundfile with playback speed control
;;; (which alters the pitch), control of the loop start point, the
;;; size of the loop segment, a offset between two playheads to create
;;; a stereo effect and a predefined windowing function table
;;; - sndfl_looper2_ambi puts out an encoded ambisonics audio array up
;;; to 8th order; every loop segment is having a fixed position
;;; defined by kAzi and kAlti
;;; - sndfl_looper2_ambi allows for individual segment masking to create
;;; rhythmic effects
;;; - SInFile -> path to soundfile
;;; - kSpeed -> factor for playback speed -> 1 = original speed, 2 =
;;; double speed, 0.5 = half speed, -1 = original speed but backwards
;;; - kLoopStart -> position of the loop playback (between 0 and 1)
;;; while 0 start of the file and 1 = end of the file
;;; - kLoopSize -> size of the loop segment as a factor (usually a value between
;;; 0.0001 and 1; 1 = the whole sound (factor*length of the soundfile)
;;; - kStereoOffset -> creates a offset between two playheads; a value
;;; between 0 and 1; when this value is changed, the instrument is
;;; reninitalisated, so be carefull with changing this parameter
;;; during playback, could resolve in clicks
;;; - kAzi -> Azimuth value as degree value of a circle (0 - 360)
;;; - kAlti -> Altitude / elevation value as degree value of a circle (0 - 360)
;;; - kMaskArr -> masking of the individual events; for example to create
;;; rhythmic patterns
;;; - iOrder -> order of the ambisonics encoding -> up to 8th order;
;;; defines the size of the output array
opcode sndfl_looper2_ambi,a[],Skkkkikkk[]i
;; inputs
SInFile,kSpeed,kLoopStart,kLoopSize,kStereoOffset,iWndwFt,kAzi,kAlti,kMaskArr[],iOrder xin
iAmbiChn = (iOrder+1)^2
;; read data from soundfil
iSndflSec filelen SInFile
iSndflSr filesr SInFile
iSndflSamps = iSndflSec*iSndflSr
;; create the table for the soundfile
iSndflNumChnls filenchnls SInFile
if iSndflNumChnls == 1 then
iSndflTbl1 ftgen 0,0,0,1,SInFile,0,0,1
iSndflTbl2 = iSndflTbl1
elseif iSndflNumChnls == 2 then
iSndflTbl1 ftgen 0,0,0,1,SInFile,0,0,1
iSndflTbl2 ftgen 0,0,0,1,SInFile,0,0,2
endif
;; parameter for the table reading
kChange changed kStereoOffset
if kChange == 1 then
reinit UPDATE
endif
kSpeed = kSpeed
kStart = (kLoopStart*iSndflSamps)
kSize = kLoopSize*iSndflSamps
kPhasorSpeed = kSpeed/(kSize/iSndflSr)
aSyncIn init 0
aSyncOut1 init 1
aSyncOut2 init 1
kPhasorSpeed1 = (k(aSyncOut1) == 1 ? kPhasorSpeed : kPhasorSpeed1)
kPhasorSpeed2 = (k(aSyncOut2) == 1 ? kPhasorSpeed : kPhasorSpeed2)
UPDATE:
aIndex1,aSyncOut1 syncphasor kPhasorSpeed1,aSyncIn
aIndex2,aSyncOut2 syncphasor kPhasorSpeed2,aSyncIn,i(kStereoOffset)
kSize1 = (k(aSyncOut1) == 1 ? kSize : kSize1)
kSize2 = (k(aSyncOut2) == 1 ? kSize : kSize2)
kStart1 = (k(aSyncOut1) == 1 ? kStart : kStart1)
kStart2 = (k(aSyncOut2) == 1 ? kStart : kStart2)
aWin1 table aIndex1,iWndwFt,1
aWin2 table aIndex2,iWndwFt,1
kArrCount1 = (k(aSyncOut1) == 1 ? kArrCount1+1 : kArrCount1)
kArrCount1 = kArrCount1 % iAmbiChn
kArrCount2 = (k(aSyncOut2) == 1 ? kArrCount2+1 : kArrCount2)
kArrCount2 = kArrCount2 % iAmbiChn
aSig1 table3 (aIndex1*kSize1)+kStart1,iSndflTbl1,0,0,1
aSig2 table3 (aIndex2*kSize2)+kStart2,iSndflTbl2,0,0,1
aSig1 *= aWin1
aSig2 *= aWin2
;; masking
kMaskArr1[],kMaskArr2[] deinterleave kMaskArr
kMaskCount1 init 0
kMaskCount2 init 0
kMaskCount1 = (k(aSyncOut1) == 1 ? kMaskCount1+1 : kMaskCount1)
kMaskCount1 = kMaskCount1 % lenarray:i(kMaskArr1)
kMaskCount2 = (k(aSyncOut2) == 1 ? kMaskCount2+1 : kMaskCount2)
kMaskCount2 = kMaskCount2 % lenarray:i(kMaskArr2)
aSig1 *= kMaskArr1[kMaskCount1]
aSig2 *= kMaskArr2[kMaskCount2]
;; spatialization
aEncArr1[] init iAmbiChn
aEncArr2[] init iAmbiChn
aEncArr1 ambi_encode aSig1,iOrder,kAzi,kAlti
aEncArr2 ambi_encode aSig2,iOrder,kAzi,kAlti
;; sum arrays
aOutArr[] init iAmbiChn
trim aOutArr,iAmbiChn
aOutArr[0] sum aEncArr1[0]/2,aEncArr2[0]/2
aOutArr[1] sum aEncArr1[1]/2,aEncArr2[1]/2
aOutArr[2] sum aEncArr1[2]/2,aEncArr2[2]/2
aOutArr[3] sum aEncArr1[3]/2,aEncArr2[3]/2
if iOrder < 2 goto end
aOutArr[4] sum aEncArr1[4]/2,aEncArr2[4]/2
aOutArr[5] sum aEncArr1[5]/2,aEncArr2[5]/2
aOutArr[6] sum aEncArr1[6]/2,aEncArr2[6]/2
aOutArr[7] sum aEncArr1[7]/2,aEncArr2[7]/2
aOutArr[8] sum aEncArr1[8]/2,aEncArr2[8]/2
if iOrder < 3 goto end
aOutArr[9] sum aEncArr1[9]/2,aEncArr2[9]/2
aOutArr[10] sum aEncArr1[10]/2,aEncArr2[10]/2
aOutArr[11] sum aEncArr1[11]/2,aEncArr2[11]/2
aOutArr[12] sum aEncArr1[12]/2,aEncArr2[12]/2
aOutArr[13] sum aEncArr1[13]/2,aEncArr2[13]/2
aOutArr[14] sum aEncArr1[14]/2,aEncArr2[14]/2
aOutArr[15] sum aEncArr1[15]/2,aEncArr2[15]/2