This should play if your Web browser has WebAssembly enabled (most do). Most examples will play unless they need to load files. The first time you click Play, Csound will spend a few seconds loading, then play. You can edit this code and replay it.
; Select audio/midi flags here according to platform ; Audio out Audio in -odac -iadc ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o fof2.wav -W ;;; for file output any platform ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 128 ; nchnls = 2 ; Example by Chuckk Hubbard 2007 instr 1 ;table-lookup vocal synthesis iolaps = 120 ifna = 1 ;f1 - sine wave ifnb = 2 ;f2 - linear rise shape itotdur = p3 iamp = p4 * 0dbfs ifreq1 = p5 ;starting frequency ifreq2 = p6 ;ending frequency kamp linseg 0, .003, iamp, itotdur-.007, iamp, .003, 0, .001, 0 kfund expseg ifreq1, itotdur, ifreq2 koct init 0 kris init .003 kdur init .02 kdec init .007 kphs init 0 kgliss init 0 iforma = p7 ;starting spectrum iformb = p8 ;ending spectrum iform1a tab_i 0, iforma ;read values of 5 formants for 1st spectrum iform2a tab_i 1, iforma iform3a tab_i 2, iforma iform4a tab_i 3, iforma iform5a tab_i 4, iforma idb1a tab_i 5, iforma ;read decibel levels for same 5 formants idb2a tab_i 6, iforma idb3a tab_i 7, iforma idb4a tab_i 8, iforma idb5a tab_i 9, iforma iband1a tab_i 10, iforma ;read bandwidths for same 5 formants iband2a tab_i 11, iforma iband3a tab_i 12, iforma iband4a tab_i 13, iforma iband5a tab_i 14, iforma iamp1a = ampdb(idb1a) ;convert db to linear multipliers iamp2a = ampdb(idb2a) iamp3a = ampdb(idb3a) iamp4a = ampdb(idb4a) iamp5a = ampdb(idb5a) iform1b tab_i 0, iformb ;values of 5 formants for 2nd spectrum iform2b tab_i 1, iformb iform3b tab_i 2, iformb iform4b tab_i 3, iformb iform5b tab_i 4, iformb idb1b tab_i 5, iformb ;decibel levels for 2nd set of formants idb2b tab_i 6, iformb idb3b tab_i 7, iformb idb4b tab_i 8, iformb idb5b tab_i 9, iformb iband1b tab_i 10, iformb ;bandwidths for 2nd set of formants iband2b tab_i 11, iformb iband3b tab_i 12, iformb iband4b tab_i 13, iformb iband5b tab_i 14, iformb iamp1b = ampdb(idb1b) ;convert db to linear multipliers iamp2b = ampdb(idb2b) iamp3b = ampdb(idb3b) iamp4b = ampdb(idb4b) iamp5b = ampdb(idb5b) kform1 line iform1a, itotdur, iform1b ;transition between formants kform2 line iform2a, itotdur, iform2b kform3 line iform3a, itotdur, iform3b kform4 line iform4a, itotdur, iform4b kform5 line iform5a, itotdur, iform5b kband1 line iband1a, itotdur, iband1b ;transition of bandwidths kband2 line iband2a, itotdur, iband2b kband3 line iband3a, itotdur, iband3b kband4 line iband4a, itotdur, iband4b kband5 line iband5a, itotdur, iband5b kamp1 line iamp1a, itotdur, iamp1b ;transition of amplitudes of formants kamp2 line iamp2a, itotdur, iamp2b kamp3 line iamp3a, itotdur, iamp3b kamp4 line iamp4a, itotdur, iamp4b kamp5 line iamp5a, itotdur, iamp5b ;5 formants for each spectrum a1 fof2 kamp1, kfund, kform1, koct, kband1, kris, kdur, kdec, iolaps, ifna, ifnb, itotdur, kphs, kgliss a2 fof2 kamp2, kfund, kform2, koct, kband2, kris, kdur, kdec, iolaps, ifna, ifnb, itotdur, kphs, kgliss a3 fof2 kamp3, kfund, kform3, koct, kband3, kris, kdur, kdec, iolaps, ifna, ifnb, itotdur, kphs, kgliss a4 fof2 kamp4, kfund, kform4, koct, kband4, kris, kdur, kdec, iolaps, ifna, ifnb, itotdur, kphs, kgliss a5 fof2 kamp5, kfund, kform5, koct, kband5, kris, kdur, kdec, iolaps, ifna, ifnb, itotdur, kphs, kgliss aout = (a1+a2+a3+a4+a5) * kamp/5 ;sum and scale aenv linen 1, 0.05, p3, 0.05 ;to avoid clicking outs aout*aenv, aout*aenv endin f1 0 8192 10 1 f2 0 4096 7 0 4096 1 ;**************************************************************** ; tables of formant values adapted from MiscFormants.html ; 100's: soprano 200's: alto 300's: countertenor 400's: tenor 500's: bass ; -01: "a" sound -02: "e" sound -03: "i" sound -04: "o" sound -05: "u" sound ; p-5 through p-9: frequencies of 5 formants ; p-10 through p-14: decibel levels of 5 formants ; p-15 through p-19: bandwidths of 5 formants ; formant frequencies decibel levels bandwidths ;soprano f101 0 16 -2 800 1150 2900 3900 4950 0.001 -6 -32 -20 -50 80 90 120 130 140 f102 0 16 -2 350 2000 2800 3600 4950 0.001 -20 -15 -40 -56 60 100 120 150 200 f103 0 16 -2 270 2140 2950 3900 4950 0.001 -12 -26 -26 -44 60 90 100 120 120 f104 0 16 -2 450 800 2830 3800 4950 0.001 -11 -22 -22 -50 40 80 100 120 120 f105 0 16 -2 325 700 2700 3800 4950 0.001 -16 -35 -40 -60 50 60 170 180 200 ;alto f201 0 16 -2 800 1150 2800 3500 4950 0.001 -4 -20 -36 -60 80 90 120 130 140 f202 0 16 -2 400 1600 2700 3300 4950 0.001 -24 -30 -35 -60 60 80 120 150 200 f203 0 16 -2 350 1700 2700 3700 4950 0.001 -20 -30 -36 -60 50 100 120 150 200 f204 0 16 -2 450 800 2830 3500 4950 0.001 -9 -16 -28 -55 70 80 100 130 135 f205 0 16 -2 325 700 2530 3500 4950 0.001 -12 -30 -40 -64 50 60 170 180 200 ;countertenor f301 0 16 -2 660 1120 2750 3000 3350 0.001 -6 -23 -24 -38 80 90 120 130 140 f302 0 16 -2 440 1800 2700 3000 3300 0.001 -14 -18 -20 -20 70 80 100 120 120 f303 0 16 -2 270 1850 2900 3350 3590 0.001 -24 -24 -36 -36 40 90 100 120 120 f304 0 16 -2 430 820 2700 3000 3300 0.001 -10 -26 -22 -34 40 80 100 120 120 f305 0 16 -2 370 630 2750 3000 3400 0.001 -20 -23 -30 -34 40 60 100 120 120 ;tenor f401 0 16 -2 650 1080 2650 2900 3250 0.001 -6 -7 -8 -22 80 90 120 130 140 f402 0 16 -2 400 1700 2600 3200 3580 0.001 -14 -12 -14 -20 70 80 100 120 120 f403 0 16 -2 290 1870 2800 3250 3540 0.001 -15 -18 -20 -30 40 90 100 120 120 f404 0 16 -2 400 800 2600 2800 3000 0.001 -10 -12 -12 -26 70 80 100 130 135 f405 0 16 -2 350 600 2700 2900 3300 0.001 -20 -17 -14 -26 40 60 100 120 120 ;bass f501 0 16 -2 600 1040 2250 2450 2750 0.001 -7 -9 -9 -20 60 70 110 120 130 f502 0 16 -2 400 1620 2400 2800 3100 0.001 -12 -9 -12 -18 40 80 100 120 120 f503 0 16 -2 250 1750 2600 3050 3340 0.001 -30 -16 -22 -28 60 90 100 120 120 f504 0 16 -2 400 750 2400 2600 2900 0.001 -11 -21 -20 -40 40 80 100 120 120 f505 0 16 -2 350 600 2400 2675 2950 0.001 -20 -32 -28 -36 40 80 100 120 120 ;**************************************************************** ; start dur amp start freq end freq start formant end formant i1 0 1 .8 440 412.5 201 203 i1 + . .8 412.5 550 201 204 i1 + . .8 495 330 202 205 i1 + . .8 110 103.125 501 503 i1 + . .8 103.125 137.5 501 504 i1 + . .8 123.75 82.5 502 505 i1 7 . .4 440 412.5 201 203 i1 8 . .4 412.5 550 201 204 i1 9 . .4 495 330 202 205 i1 7 . .4 110 103.125 501 503 i1 8 . .4 103.125 137.5 501 504 i1 9 . .4 123.75 82.5 502 505 i1 + . .4 440 412.5 101 103 i1 + . .4 412.5 550 101 104 i1 + . .4 495 330 102 105 e