sr = 44100 kr = 441 ksmps = 100 nchnls = 2 gidecchnls = 8 ; specifies the speaker setup: ; 2 = stereo speaker setup ; 4 = quattro (square) speaker setup ; 5 = pentagon speaker setup ; 5.1 = 5.1 surround speaker setup ; 6 = hexagonoctogon1 ; 8.1 = octogon1 ; 8.2 = octogon2 ; 8 = cube ; 12.1= dodecahedron1 ; 12.2= dodecahedron2 girescale = 1 ; for test decoding ; girescale = ; for 2chnl decoding ; girescale = ; for 5 chnl encoding ; girescale = ; for 5.1 chnl encoding ; girescale = ; for octogon1 decoding ; girescale = ; for octogon2 decoding ; girescale = ; for 8chnl cube decoding ; girescale = ; for dodecahedron1 decoding ; girescale = ; for dodecahedron2 decoding ; ************************************************************************************** instr 81 ; First ORDER AMBISONICS DECODER coded 1999-2002 by Jan Jacob Hofmann. ; FURSE - MALHAM - SET OF EQUATIONS Thanks to Richard Furse and Dave Malham ; More sets of speaker- layouts may be discovered at ; http://www.muse.demon.co.uk/ref/speakers.html ; ************************************************************************************** ieqshift = p4 ; factor for shifting between spherical harmonic [0] decoding matrix and controlled opposites [1] decoding matrix ; choose any factor between 0 and 1 ; [0] produces a strict idealised response that satisfies the Ambisonic matching equations. ; Generally this type of configuration produces a relatively small stable listening area. ; [1] produces an `in-phase' response and each speaker will have only a single maximum given a moving virtual sound source. ; Values of ieqshift closer to 0 are only recomended if a sufficient number of speakers are available. aw, ax, ay, az soundin "ambisonics-bformat.aif" ; input for encoded 4 chnl- files ; aw soundin "ambisonics-w.aif" ; input for encoded mono- files ; ax soundin "ambisonics-x.aif" ; ay soundin "ambisonics-y.aif" ; az soundin "ambisonics-z.aif" aw = aw * girescale ax = ax * girescale ay = ay * girescale az = az * girescale if gidecchnls == 2 goto stereo ; goto 2chnl decode if gidecchnls == 4 goto square ; goto 4chnl decode if gidecchnls == 5 goto penta ; goto 5chnl decode if gidecchnls == 5.1 goto surround ; goto surround5.1 decode if gidecchnls == 6 goto hexagon ; goto 6chnl decode if gidecchnls == 8.1 goto octagon1 ; goto 8chnl decode (octogon 1) if gidecchnls == 8.2 goto octagon2 ; goto 8chnl decode (octogon 2) if gidecchnls == 8 goto cube ; goto 8chnl decode if gidecchnls == 12.1 goto dodecahedron1 ; goto 12chnl decode (dodecahedron1) if gidecchnls == 12.2 goto dodecahedron2 ; goto 12chnl decode (dodecahedron2) ; ****************************************************************************************************************************** stereo: ; 2chnl (stereo ) decode,2nd order (second order controlled opposites) ; ****************************************************************************************************************************** ;Rig `Controlled Opposites' Decode Matrix (second Order) ; w x y z ; Speaker1 <0.0000,1.0000,0.0000> left achnl1 sum aw * 0.7071, ay * 0.5000 ; Speaker2 <0.0000,-1.0000,0.0000> right achnl2 sum aw * 0.7071, ay * -0.5000 outs achnl1, achnl2 ; soundout achnl1, "ambisonics,dec1",4 ; soundout achnl2, "ambisonics,dec2",4 goto skipend ; ****************************************************************************************************************************** square: ; Rig `Controlled Opposites' Decode Matrix (First Order) ; ****************************************************************************************************************************** ; This rig configuration produces an `in-phase' response and each speaker will have only a single maximum given a moving virtual sound source. ; w x y z ; Speaker1<0.7071,0.7071,0.0000> left front achnl1 sum aw *0.3536, ax *0.3536, ay * 0.3536 ; Speaker2<0.7071,-0.7071,0.0000> right front achnl2 sum aw *0.3536, ax *0.3536, ay * -0.3536 ; Speaker3<-0.7071,-0.7071,0.0000> right back achnl3 sum aw *0.3536, ax *-0.3536, ay * -0.3536 ; Speaker4 <-0.7071,0.7071,0.0000> left back achnl4 sum aw *0.3536, ax -0.3536, ay * 0.3536 kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 fout "ambisquaredec1", 2, achnl1 fout "ambisquaredec2", 2, achnl2 fout "ambisquaredec3", 2, achnl3 fout "ambisquaredec4", 2, achnl4 goto skipend ; ****************************************************************************************************************************** penta: ; ****************************************************************************************************************************** ; This rig configuration produces an `in-phase' response and each speaker will have only a single maximum given a moving virtual sound source. ; w x y z ; Speaker1 <0.8090,0.5878,0.0000> front left achnl1 sum aw *0.2828, ax *0.1618, ay * 0.1176 ; Speaker2 <-0.3090,0.9511,0.0000> back left achnl2 sum aw *0.2828, ax *-0.0618,ay * 0.1902 ; Speaker3 <-1.0000,0.0000,0.0000> back achnl3 sum aw *0.2828, ax * -0.2 ; Speaker4 <-0.3090,-0.9511,0.0000> back right achnl4 sum aw *0.2828, ax *-0.0618, ay * -0.1902 ; Speaker5 <0.8090,-0.5878,0.0000> front right achnl5 sum aw *0.2828, ax *0.1618, ay * -0.1176 kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 printk p3, kpeak5,16 fout "ambipentadec1", 2, achnl1 fout "ambipentadec2", 2, achnl2 fout "ambipentadec3", 2, achnl3 fout "ambipentadec4", 2, achnl4 fout "ambipentadec5", 2, achnl5 goto skipend ; ****************************************************************************************************************************** surround: ; Rig `Controlled Opposites' Decode Matrix (First Order controlled opposites) ; Note that the second order rig has a high symmetry distortion rating. Such a rig is likely to provide an unstable image. ; ****************************************************************************************************************************** ; w x y z ; Speaker 1 <0.8660,0.5000,0.0000> front left achnl1 sum aw *0.1690, ax *0.0797, ay * 0.0891 ; Speaker 2<1.0000,0.0000,0.0000> front center achnl2 sum aw *0.1635, ax * 0.0923 ; Speaker 3<0.8660,-0.5000,0.0000> front right achnl3 sum aw *0.1690, ax *0.0797, ay * -0.0891 ; Speaker 4<-0.5000,0.8660,0.0000> back left achnl4 sum aw *0.4563, ax *-0.1259,ay * 0.1543 ; Speaker 5<-0.5000,-0.8660,0.0000> back right achnl5 sum aw *0.4563, ax *-0.1259,ay * -0.1543 kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 printk p3, kpeak5,16 fout "ambisonic-5_1dec1", 2, achnl1 ;front-left fout "ambisonic-5_1dec2", 2, achnl2 ;front-center fout "ambisonic-5_1dec3", 2, achnl3 ;front-right fout "ambisonic-5_1dec4", 2, achnl4 ;back-left fout "ambisonic-5_1dec5", 2, achnl5 ;back-right goto skipend ; ****************************************************************************************************************************** hexagon: ; 6 chnl decode (hexagon) first order ; ****************************************************************************************************************************** ; Rig Decode Matrix to Reproduce Spherical Harmonics (First Order) ; This rig configuration produces a strict idealised response that satisfies the Ambisonic matching equations. ; Generally this type of configuration produces a relatively small stable listening area. (See controlled opposites below.) achnlsh1 init 0 achnlsh2 init 0 achnlsh3 init 0 achnlsh4 init 0 achnlsh5 init 0 achnlsh6 init 0 achnlco1 init 0 achnlco2 init 0 achnlco3 init 0 achnlco4 init 0 achnlco5 init 0 achnlco6 init 0 if ieqshift = 1 goto hexcontrolled ; w x y z ; Speaker 1 <0.8660,0.5000,0.0000> achnlsh1 sum aw *0.2357, ax *0.2887, ay * 0.1667 ; Speaker 2 <0.0000,1.0000,0.0000> achnlsh2 sum aw * 0.2357, ay * 0.3333 ; Speaker 3 <-0.8660,0.5000,0.0000> achnlsh3 sum aw *0.2357, ax *-0.2887, ay * 0.1667 ; Speaker 4 <-0.8660,-0.5000,0.0000> achnlsh4 sum aw *0.2357, ax *-0.2887, ay * -0.1667 ; Speaker 5 <0.0000,-1.0000,0.0000> achnlsh5 sum aw * 0.2357, ay * -0.3333 ; Speaker 6 <0.8660,-0.5000,0.0000> achnlsh6 sum aw *0.2357, ax *0.2887, ay * -0.1667 if ieqshift = 0 goto hexmix hexcontrolled: ; Rig decode matrix to reproduce controlled opposites (First Order) ; w x y z ; Speaker 1 <0.8660,0.5000,0.0000> achnlco1 sum aw *0.2357, ax *0.1443, ay * 0.0833 ; Speaker 2 <0.0000,1.0000,0.0000> achnlco2 sum aw * 0.2357, ay * 0.1667 ; Speaker 3 <-0.8660,0.5000,0.0000> achnlco3 sum aw *0.2357, ax *-0.1443, ay * 0.0833 ; Speaker 4 <-0.8660,-0.5000,0.0000> achnlco4 sum aw *0.2357, ax *-0.1443, ay * -0.0833 ; Speaker 5 <0.0000,-1.0000,0.0000> achnlco5 sum aw * 0.2357, ay * -0.1667 ; Speaker 6 <0.8660,-0.5000,0.0000> achnlco6 sum aw *0.2357, ax *0.1443, ay * -0.0833 hexmix: achnl1 sum achnlco1 * ieqshift, achnlsh1 * 1 - ieqshift achnl2 sum achnlco2 * ieqshift, achnlsh2 * 1 - ieqshift achnl3 sum achnlco3 * ieqshift, achnlsh3 * 1 - ieqshift achnl4 sum achnlco4 * ieqshift, achnlsh4 * 1 - ieqshift achnl5 sum achnlco5 * ieqshift, achnlsh5 * 1 - ieqshift achnl6 sum achnlco6 * ieqshift, achnlsh6 * 1 - ieqshift kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 kpeak6 peak achnl6 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 printk p3, kpeak5,16 printk p3, kpeak6,20 fout "ambisonic-hexdec1", 2, achnl1 fout "ambisonic-hexdec2", 2, achnl2 fout "ambisonic-hexdec3", 2, achnl3 fout "ambisonic-hexdec4", 2, achnl4 fout "ambisonic-hexdec5", 2, achnl5 fout "ambisonic-hexdec6", 2, achnl6 goto skipend ; ****************************************************************************************************************************** octagon1: ; 8 chnl decode (octagon 1),first order ; ****************************************************************************************************************************** ; Rig Decode Matrix to Reproduce Spherical Harmonics (First Order) ; This rig configuration produces a strict idealised response that satisfies the Ambisonic matching equations. ; Generally this type of configuration produces a relatively small stable listening area. (See controlled opposites below.) achnlsh1 init 0 achnlsh2 init 0 achnlsh3 init 0 achnlsh4 init 0 achnlsh5 init 0 achnlsh6 init 0 achnlsh7 init 0 achnlsh8 init 0 achnlco1 init 0 achnlco2 init 0 achnlco3 init 0 achnlco4 init 0 achnlco5 init 0 achnlco6 init 0 achnlco7 init 0 achnlco8 init 0 if ieqshift = 1 goto octo1controlled ; w x y z ; Speaker 1 <0.9239,0.3827,0.0000> front left achnlsh1 sum aw *0.1768, ax *0.231, ay * 0.0957 ; Speaker 2 <0.3827,0.9239,0.0000> front midleft achnlsh2 sum aw *0.1768, ax *0.0957, ay * 0.231 ; Speaker 3 <-0.3827,0.9239,0.0000> back midleft achnlsh3 sum aw *0.1768, ax *-0.0957, ay * 0.231 ; Speaker 4 <-0.9239,0.3827,0.0000> back left achnlsh4 sum aw *0.1768, ax *-0.231, ay * 0.0957 ; Speaker 5 <-0.9239,-0.3827,0.0000> back right achnlsh5 sum aw *0.1768, ax *-0.231, ay * -0.0957 ; Speaker 6 <-0.3827,-0.9239,0.0000> back midright achnlsh6 sum aw *0.1768, ax *-0.0957, ay * -0.231 ; Speaker 7 <0.3827,-0.9239,0.0000> front midright achnlsh7 sum aw *0.1768, ax *0.0957, ay * -0.231 ; Speaker 8 <0.9239,-0.3827,0.0000> front right achnlsh8 sum aw *0.1768, ax * 0.231, ay * -0.0957 if ieqshift = 0 goto octo1mix octo1controlled: ; Rig decode matrix to reproduce controlled opposites (First Order) ; w x y z ; Speaker 1 <0.924,0.383,0.000> front left achnlco1 sum aw *1.768, ax*0.1155, ay * 0.0478 ; Speaker 2 <0.383,0.924,0.000> front midleft achnlco2 sum aw *1.768, ax*0.0478, ay * 0.1155 ; Speaker 3 <-0.383,0.924,0.000> back midleft achnlco3 sum aw * 1.768, ax*-0.0478, ay * 0.1155 ; Speaker 4 <-0.924,0.383,0.000> back left achnlco4 sum aw *1.768, ax*-0.1155, ay * 0.0478 ; Speaker5 <-0.924,-0.383,0.000> back right achnlco5 sum aw *1.768, ax*-0.1155, ay * -0.0478 ; Speaker 6 <-0.383,-0.924,0.000> back midright achnlco6 sum aw *1.768, ax*-0.0478, ay * -0.1155 ; Speaker 7 <0.383,-0.924,0.000> front midright achnlco7 sum aw *1.768, ax* 0.0478, ay * -0.1155 ; Speaker 8 <0.924,-0.383,0.000> front right achnlco8 sum aw *1.768, ax *0.1155, ay * -0.0478 octo1mix: achnl1 sum achnlco1 * ieqshift, achnlsh1 * 1 - ieqshift achnl2 sum achnlco2 * ieqshift, achnlsh2 * 1 - ieqshift achnl3 sum achnlco3 * ieqshift, achnlsh3 * 1 - ieqshift achnl4 sum achnlco4 * ieqshift, achnlsh4 * 1 - ieqshift achnl5 sum achnlco5 * ieqshift, achnlsh5 * 1 - ieqshift achnl6 sum achnlco6 * ieqshift, achnlsh6 * 1 - ieqshift achnl7 sum achnlco7 * ieqshift, achnlsh7 * 1 - ieqshift achnl8 sum achnlco8 * ieqshift, achnlsh8 * 1 - ieqshift kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 kpeak6 peak achnl6 kpeak7 peak achnl7 kpeak8 peak achnl8 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 printk p3, kpeak5,16 printk p3, kpeak6,20 printk p3, kpeak7,24 printk p3, kpeak8,28 fout "ambisonic-oct1dec1", 2, achnl1 fout "ambisonic-oct1dec2", 2, achnl2 fout "ambisonic-oct1dec3", 2, achnl3 fout "ambisonic-oct1dec4", 2, achnl4 fout "ambisonic-oct1dec5", 2, achnl5 fout "ambisonic-oct1dec6", 2, achnl6 fout "ambisonic-oct1dec7", 2, achnl7 fout "ambisonic-oct1dec8", 2, achnl8 goto skipend ; ****************************************************************************************************************************** octagon2: ; 8 chnl decode (octagon 2),first order (controlled opposites) ; ****************************************************************************************************************************** ; Rig Decode Matrix to Reproduce Spherical Harmonics (First Order) ; This rig configuration produces a strict idealised response that satisfies the Ambisonic matching equations. ; Generally this type of configuration produces a relatively small stable listening area. (See controlled opposites below.) achnlsh1 init 0 achnlsh2 init 0 achnlsh3 init 0 achnlsh4 init 0 achnlsh5 init 0 achnlsh6 init 0 achnlsh7 init 0 achnlsh8 init 0 achnlco1 init 0 achnlco2 init 0 achnlco3 init 0 achnlco4 init 0 achnlco5 init 0 achnlco6 init 0 achnlco7 init 0 achnlco8 init 0 if ieqshift = 1 goto octo2controlled ; w x y z ; Speaker 1 <1.0000,0.0000,0.0000> front left achnlsh1 sum aw *0.1768, ax * 0.2500 ; Speaker 2 <0.7071,0.7071,0.0000> front midleft achnlsh2 sum aw *0.1768, ax *0.1768, ay * 0.1768 ; Speaker 3 <0.0000,1.0000,0.0000> back midleft achnlsh3 sum aw * 0.1768, ay * 0.2500 ; Speaker 4 <-0.7071,0.7071,0.0000> back left achnlsh4 sum aw *0.1768, ax *-0.1768, ay * 0.1768 ; Speaker 5 <-1.0000,0.0000,0.0000> back right achnlsh5 sum aw *0.1768, ax * -0.2500 ; Speaker 6 <-0.7071,-0.7071,0.0000> back midright achnlsh6 sum aw *0.1768, ax *-0.1768, ay * -0.1768 ; Speaker 7 <0.0000,-1.0000,0.0000> front midright achnlsh7 sum aw * 0.1768, ay * -0.2500 ; Speaker 8 <0.7071,-0.7071,0.0000> front right achnlsh8 sum aw *0.1768, ax *0.1768, ay * -0.1768 if ieqshift = 0 goto octo2mix octo2controlled: ; Rig decode matrix to reproduce controlled opposites (First Order) ; w x y z ; Speaker 1 <1.0000,0.0000,0.0000> achnlco1 sum aw *0.1768, ax * 0.1250 ; Speaker 2 <0.7071,0.7071,0.0000> achnlco2 sum aw *0.1768, ax *0.0884, ay * 0.0884 ; Speaker 3 <0.0000,1.0000,0.0000> achnlco3 sum aw *0.1768, ay * 0.1250 ; Speaker 4 <-0.7071,0.7071,0.0000> achnlco4 sum aw *0.1768, ax *-0.0884, ay * 0.0884 ; Speaker 5 <-1.0000,0.0000,0.0000> achnlco5 sum aw *0.1768, ax * -0.1250 ; Speaker 6 <-0.7071,-0.7071,0.0000> achnlco6 sum aw *0.1768, ax *-0.0884, ay * -0.0884 ; Speaker 7 <0.0000,-1.0000,0.0000> achnlco7 sum aw *0.1768, ax * -0.1250 ; Speaker 8 <0.7071,-0.7071,0.0000> achnlco8 sum aw *0.1768, ax *0.0884, ay * -0.0884 octo2mix: achnl1 sum achnlco1 * ieqshift, achnlsh1 * 1 - ieqshift achnl2 sum achnlco2 * ieqshift, achnlsh2 * 1 - ieqshift achnl3 sum achnlco3 * ieqshift, achnlsh3 * 1 - ieqshift achnl4 sum achnlco4 * ieqshift, achnlsh4 * 1 - ieqshift achnl5 sum achnlco5 * ieqshift, achnlsh5 * 1 - ieqshift achnl6 sum achnlco6 * ieqshift, achnlsh6 * 1 - ieqshift achnl7 sum achnlco7 * ieqshift, achnlsh7 * 1 - ieqshift achnl8 sum achnlco8 * ieqshift, achnlsh8 * 1 - ieqshift kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 kpeak6 peak achnl6 kpeak7 peak achnl7 kpeak8 peak achnl8 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 printk p3, kpeak5,16 printk p3, kpeak6,20 printk p3, kpeak7,24 printk p3, kpeak8,28 fout "ambisonic-oct2dec1", 2, achnl1 fout "ambisonic-oct2dec2", 2, achnl2 fout "ambisonic-oct2dec3", 2, achnl3 fout "ambisonic-oct2dec4", 2, achnl4 fout "ambisonic-oct2dec5", 2, achnl5 fout "ambisonic-oct2dec6", 2, achnl6 fout "ambisonic-oct2dec7", 2, achnl7 fout "ambisonic-oct2dec8", 2, achnl8 goto skipend ; ****************************************************************************************************************************** cube: ; 8chnl decode (cube),1st order (First order controlled opposites) ; ****************************************************************************************************************************** ; Rig `Controlled Opposites' Decode Matrix (First Order) ; w x y z ; Speaker1 <0.5774,0.5774,-0.5774> front left lower achnl1 sum aw *0.1768, ax *0.0722, ay *0.0722, az * -0.0722 ; Speaker2 <0.5774,-0.5774,-0.5774> front right lower achnl2 sum aw *0.1768, ax *0.0722, ay *-0.0722, az * -0.0722 ; Speaker3 <-0.5774,-0.5774,-0.5774> back right lower achnl3 sum aw *0.1768, ax *-0.0722, ay *-0.0722, az * -0.0722 ; Speaker4 <-0.5774,0.5774,-0.5774> back left lower achnl4 sum aw *0.1768, ax *-0.0722, ay *0.0722, az * -0.0722 ; Speaker5 <0.5774,0.5774,0.5774> front left upper achnl5 sum aw *0.1768, ax *0.0722, ay *0.0722, az * 0.0722 ; Speaker6 <0.5774,-0.5774,0.5774> front right upper achnl6 sum aw *0.1768, ax *0.0722, ay *-0.0722, az * 0.0722 ; Speaker7 <-0.5774,-0.5774,0.5774> back right upper achnl7 sum aw *0.1768, ax *-0.0722, ay *-0.0722, az * 0.0722 ; Speaker8 <-0.5774,0.5774,0.5774> back left upper achnl8 sum aw *0.1768, ax *-0.0722, ay *0.0722, az * 0.0722 kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 kpeak6 peak achnl6 kpeak7 peak achnl7 kpeak8 peak achnl8 printk p3, kpeak1,0 printk p3, kpeak2,4 printk p3, kpeak3,8 printk p3, kpeak4,12 printk p3, kpeak5,16 printk p3, kpeak6,20 printk p3, kpeak7,24 printk p3, kpeak8,28 ;outo achnl1, achnl2, achnl3, achnl4, achnl5, achnl6, achnl7, achnl8 ;output for writing on Disk or Dat fout "ambisonic-cubedec1", 2, achnl1 fout "ambisonic-cubedec2", 2, achnl2 fout "ambisonic-cubedec3", 2, achnl3 fout "ambisonic-cubedec4", 2, achnl4 fout "ambisonic-cubedec5", 2, achnl5 fout "ambisonic-cubedec6", 2, achnl6 fout "ambisonic-cubedec7", 2, achnl7 fout "ambisonic-cubedec8", 2, achnl8 goto skipend ; ****************************************************************************************************************************** dodecahedron1: ; ****************************************************************************************************************************** ; Rig Decode Matrix to Reproduce Spherical Harmonics (First Order) ; This rig configuration produces a strict idealised response that satisfies the Ambisonic matching equations. ; Generally this type of configuration produces a relatively small stable listening area. (See controlled opposites below.) achnlsh1 init 0 achnlsh2 init 0 achnlsh3 init 0 achnlsh4 init 0 achnlsh5 init 0 achnlsh6 init 0 achnlsh7 init 0 achnlsh8 init 0 achnlsh9 init 0 achnlsh10 init 0 achnlsh11 init 0 achnlsh12 init 0 achnlco1 init 0 achnlco2 init 0 achnlco3 init 0 achnlco4 init 0 achnlco5 init 0 achnlco6 init 0 achnlco7 init 0 achnlco8 init 0 achnlco9 init 0 achnlco10 init 0 achnlco11 init 0 achnlco12 init 0 if ieqshift = 1 goto dodec1controlled ; w x y z ; Speaker 1 <0.0000,0.0000,1.0000> achnlsh1 sum aw * 0.1179, az * 0.2500 ; Speaker 2 <0.0000,0.0000,-1.0000> achnlsh2 sum aw * 0.1179, az * -0.2500 ; Speaker 3 <0.7236,0.5257,0.4472> achnlsh3 sum aw *0.1179, ax *0.1809, ay *0.1314, az * 0.1118 ; Speaker 4 <-0.7236,-0.5257,-0.4472> achnlsh4 sum aw *0.1179, ax *-0.1809, ay *-0.1314, az * -0.1118 ; Speaker 5 <0.7236,-0.5257,0.4472> achnlsh5 sum aw *0.1179, ax *0.1809, ay *-0.1314, az * 0.1118 ; Speaker 6 <-0.7236,0.5257,-0.4472> achnlsh6 sum aw *0.1179, ax *-0.1809, ay *0.1314, az * -0.1118 ; Speaker 7 <-0.2764,0.8507,0.4472> achnlsh7 sum aw *0.1179, ax *-0.0691, ay *0.2127, az * 0.1118 ; Speaker 8 <0.2764,-0.8507,-0.4472> achnlsh8 sum aw *0.1179, ax * 0.0691, ay *-0.2127, az * -0.1118 ; Speaker 9 <-0.2764,-0.8507,0.4472> achnlsh9 sum aw *0.1179, ax *-0.0691, ay *-0.2127, az * 0.1118 ; Speaker 10 <0.2764,0.8507,-0.4472> achnlsh10 sum aw *0.1179, ax *0.0691, ay *0.2127, az * -0.1118 ; Speaker 11 <-0.8944,0.0000,0.4472> achnlsh11 sum aw *0.1179, ax * -0.2236, az * 0.1118 ; Speaker 12 <0.8944,0.0000,-0.4472> achnlsh12 sum aw *0.1179, ax * 0.2236, az * -0.1118 if ieqshift = 0 goto dodec1mix dodec1controlled: ;Rig `Controlled Opposites' Decode Matrix (First Order) ;This rig configuration produces an `in-phase' response and each speaker will have only a single maximum given a moving virtual sound source. ; w x y z ; Speaker 1 <0.0000,0.0000,1.0000> achnlco1 sum aw * 0.1179, az * 0.0833 ; Speaker 2 <0.0000,0.0000,-1.0000> achnlco2 sum aw * 0.1179, az * -0.0833 ; Speaker 3 <0.7236,0.5257,0.4472> achnlco3 sum aw *0.1179, ax *0.0603, ay *0.0438, az * 0.0373 ; Speaker 4 <-0.7236,-0.5257,-0.4472> achnlco4 sum aw *0.1179, ax *-0.0603, ay *-0.0438, az * -0.0373 ; Speaker 5 <0.7236,-0.5257,0.4472> achnlco5 sum aw *0.1179, ax *0.0603, ay *-0.0438,az * 0.0373 ; Speaker 6 <-0.7236,0.5257,-0.4472> achnlco6 sum aw *0.1179, ax *-0.0603, ay *0.0438, az * -0.0373 ; Speaker 7 <-0.2764,0.8507,0.4472> achnlco7 sum aw *0.1179, ax *-0.0230, ay *0.0709, az * 0.0373 ; Speaker 8 <0.2764,-0.8507,-0.4472> achnlco8 sum aw *0.1179, ax *0.0230, ay *-0.0709,az * -0.0373 ; Speaker 9 <-0.2764,-0.8507,0.4472> achnlco9 sum aw *0.1179, ax *-0.0230, ay *-0.0709,az * 0.0373 ; Speaker 10 <0.2764,0.8507,-0.4472> achnlco10 sum aw *0.1179, ax *0.0230, ay *0.0709, az * -0.0373 ; Speaker 11 <-0.8944,0.0000,0.4472> achnlco11 sum aw *0.1179, ax * -0.0745, az * 0.0373 ; Speaker 12 <0.8944,0.0000,-0.4472> achnlco12 sum aw *0.1179, ax * 0.0745, az * -0.0373 dodec1mix: achnl1 sum achnlco1 * ieqshift, achnlsh1 * 1 - ieqshift achnl2 sum achnlco2 * ieqshift, achnlsh2 * 1 - ieqshift achnl3 sum achnlco3 * ieqshift, achnlsh3 * 1 - ieqshift achnl4 sum achnlco4 * ieqshift, achnlsh4 * 1 - ieqshift achnl5 sum achnlco5 * ieqshift, achnlsh5 * 1 - ieqshift achnl6 sum achnlco6 * ieqshift, achnlsh6 * 1 - ieqshift achnl7 sum achnlco7 * ieqshift, achnlsh7 * 1 - ieqshift achnl8 sum achnlco8 * ieqshift, achnlsh8 * 1 - ieqshift achnl9 sum achnlco9 * ieqshift, achnlsh9 * 1 - ieqshift achnl10 sum achnlco10 * ieqshift, achnlsh10 * 1 - ieqshift achnl11 sum achnlco11 * ieqshift, achnlsh11 * 1 - ieqshift achnl12 sum achnlco12 * ieqshift, achnlsh12 * 1 - ieqshift kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 kpeak6 peak achnl6 kpeak7 peak achnl7 kpeak8 peak achnl8 kpeak9 peak achnl9 kpeak10 peak achnl10 kpeak11 peak achnl11 kpeak12 peak achnl12 printk p3, kpeak1,0 printk p3, kpeak2,3 printk p3, kpeak3,6 printk p3, kpeak4,9 printk p3, kpeak5,12 printk p3, kpeak6,15 printk p3, kpeak7,18 printk p3, kpeak8,21 printk p3, kpeak9,24 printk p3, kpeak10,27 printk p3, kpeak11,30 printk p3, kpeak12,33 ; soundout achnl1, "ambisonics,dec1",4 ; soundout achnl2, "ambisonics,dec2",4 ; soundout achnl3, "ambisonics,dec3",4 ; soundout achnl4, "ambisonics,dec4",4 ; soundout achnl5, "ambisonics,dec5",4 ; soundout achnl6, "ambisonics,dec6",4 ; soundout achnl7, "ambisonics,dec7",4 ; soundout achnl8, "ambisonics,dec8",4 ; soundout achnl9, "ambisonics,dec9",4 ; soundout achnl10, "ambisonics,dec10",4 ; soundout achnl11, "ambisonics,dec11",4 ; soundout achnl12, "ambisonics,dec12",4 fout "ambisonic-do1dec1", 2, achnl1 fout "ambisonic-do1dec2", 2, achnl2 fout "ambisonic-do1dec3", 2, achnl3 fout "ambisonic-do1dec4", 2, achnl4 fout "ambisonic-do1dec5", 2, achnl5 fout "ambisonic-do1dec6", 2, achnl6 fout "ambisonic-do1dec7", 2, achnl7 fout "ambisonic-do1dec8", 2, achnl8 fout "ambisonic-do1dec9", 2, achnl9 fout "ambisonic-do1dec10", 2, achnl10 fout "ambisonic-do1dec11", 2, achnl11 fout "ambisonic-do1dec12", 2, achnl12 goto skipend ; ****************************************************************************************************************************** dodecahedron2: ; ****************************************************************************************************************************** ; Rig Decode Matrix to Reproduce Spherical Harmonics (First Order) ; This rig configuration produces a strict idealised response that satisfies the Ambisonic matching equations. ; Generally this type of configuration produces a relatively small stable listening area. (See controlled opposites below.) achnlsh1 init 0 achnlsh2 init 0 achnlsh3 init 0 achnlsh4 init 0 achnlsh5 init 0 achnlsh6 init 0 achnlsh7 init 0 achnlsh8 init 0 achnlsh9 init 0 achnlsh10 init 0 achnlsh11 init 0 achnlsh12 init 0 achnlco1 init 0 achnlco2 init 0 achnlco3 init 0 achnlco4 init 0 achnlco5 init 0 achnlco6 init 0 achnlco7 init 0 achnlco8 init 0 achnlco9 init 0 achnlco10 init 0 achnlco11 init 0 achnlco12 init 0 if ieqshift = 1 goto dodec2controlled ; w x y z ; Speaker 1 <0.0000,0.0000,1.0000> achnlsh1 sum aw *0.1179, ax * 0.2500 ; Speaker 2 <-1.0000,0.0000,0.0000> achnlsh2 sum aw *0.1179, ax * -0.2500 ; Speaker 3 <0.4472,0.0000,-0.8944> achnlsh3 sum aw *0.1179, ax * 0.1118, az * -0.2236 ; Speaker 4 <-0.4472,0.0000,0.8944> achnlsh4 sum aw *0.1179, ax * -0.1118, az * 0.2236 ; Speaker 5 <0.4472,0.8507,-0.2764> achnlsh5 sum aw *0.1179, ax *0.1118, ay *0.2127, az * -0.0691 ; Speaker 6 <-0.4472,-0.8507,0.2764> achnlsh6 sum aw *0.1179, ax *-0.1118, ay *-0.2127, az * 0.0691 ; Speaker 7 <0.4472,-0.8507,-0.2764> achnlsh7 sum aw *0.1179, ax *0.1118, ay *-0.2127, az * -0.0691 ; Speaker 8 <-0.4472,0.8507,0.2764> achnlsh8 sum aw *0.1179, ax *-0.1118, ay *0.2127, az * 0.0691 ; Speaker 9 <0.4472,0.5257,0.7236> achnlsh9 sum aw *0.1179, ax *0.1118, ay *0.1314, az * 0.1809 ; Speaker 10 <-0.4472,-0.5257,-0.7236> achnlsh10 sum aw *0.1179, ax *-0.1118, ay *-0.1314, az *-0.1809 ; Speaker 11 <0.4472,-0.5257,0.7236> achnlsh11 sum aw *0.1179, ax *0.1118, ay * -0.1314, az * 0.1809 ; Speaker 12 <-0.4472,0.5257,-0.7236> achnlsh12 sum aw *0.1179, ax *-0.1118, ay *0.1314, az * -0.1809 if ieqshift = 0 goto dodec2mix dodec2controlled: ; Rig `Controlled Opposites' Decode Matrix (First Order) ; This rig configuration produces an `in-phase' response and each speaker will have only a single maximum given a moving virtual sound source. ; w x y z ; Speaker 1 <1.0000,0.0000,0.0000> achnlco1 sum aw *0.1179, ax * 0.0833 ; Speaker 2 <-1.0000,0.0000,0.0000> achnlco2 sum aw *0.1179, ax * -0.0833 ; Speaker 3 <0.4472,0.0000,-0.8944> achnlco3 sum aw *0.1179, ax * 0.0373, az * -0.0745 ; Speaker 4 <-0.4472,0.0000,0.8944> achnlco4 sum aw *0.1179, ax * -0.0373, az * 0.0745 ; Speaker 5 <0.4472,0.8507,-0.2764> achnlco5 sum aw *0.1179, ax *0.0373, ay *0.0709, az * -0.0230 ; Speaker 6 <-0.4472,-0.8507,0.2764> achnlco6 sum aw *0.1179, ax *-0.0373, ay *-0.0709, az * 0.0230 ; Speaker 7 <0.4472,-0.8507,-0.2764> achnlco7 sum aw *0.1179, ax *0.0373, ay *-0.0709, az * -0.0230 ; Speaker 8 <-0.4472,0.8507,0.2764> achnlco8 sum aw *0.1179, ax *-0.0373, ay *0.0709, az * 0.0230 ; Speaker 9 <0.4472,0.5257,0.7236> achnlco9 sum aw *0.1179, ax *0.0373, ay *0.0438, az * 0.0603 ; Speaker 10 <-0.4472,-0.5257,-0.7236> achnlco10 sum aw *0.1179, ax *-0.0373, ay *-0.0438, az * -0.0603 ; Speaker 11 <0.4472,-0.5257,0.7236> achnlco11 sum aw *0.1179, ax *0.0373, ay *-0.0438, az * 0.0603 ; Speaker 12 <-0.4472,0.5257,-0.7236> achnlco12 sum aw *0.1179, ax *-0.0373, ay *0.0438, az * -0.0603 dodec2mix: achnl1 sum achnlco1 * ieqshift, achnlsh1 * 1 - ieqshift achnl2 sum achnlco2 * ieqshift, achnlsh2 * 1 - ieqshift achnl3 sum achnlco3 * ieqshift, achnlsh3 * 1 - ieqshift achnl4 sum achnlco4 * ieqshift, achnlsh4 * 1 - ieqshift achnl5 sum achnlco5 * ieqshift, achnlsh5 * 1 - ieqshift achnl6 sum achnlco6 * ieqshift, achnlsh6 * 1 - ieqshift achnl7 sum achnlco7 * ieqshift, achnlsh7 * 1 - ieqshift achnl8 sum achnlco8 * ieqshift, achnlsh8 * 1 - ieqshift achnl9 sum achnlco9 * ieqshift, achnlsh9 * 1 - ieqshift achnl10 sum achnlco10 * ieqshift, achnlsh10 * 1 - ieqshift achnl11 sum achnlco11 * ieqshift, achnlsh11 * 1 - ieqshift achnl12 sum achnlco12 * ieqshift, achnlsh12 * 1 - ieqshift kpeak1 peak achnl1 kpeak2 peak achnl2 kpeak3 peak achnl3 kpeak4 peak achnl4 kpeak5 peak achnl5 kpeak6 peak achnl6 kpeak7 peak achnl7 kpeak8 peak achnl8 kpeak9 peak achnl9 kpeak10 peak achnl10 kpeak11 peak achnl11 kpeak12 peak achnl12 printk p3, kpeak1,0 printk p3, kpeak2,3 printk p3, kpeak3,6 printk p3, kpeak4,9 printk p3, kpeak5,12 printk p3, kpeak6,15 printk p3, kpeak7,18 printk p3, kpeak8,21 printk p3, kpeak9,24 printk p3, kpeak10,27 printk p3, kpeak11,30 printk p3, kpeak12,33 ; soundout achnl1, "ambisonics,dec1",4 ; soundout achnl2, "ambisonics,dec2",4 ; soundout achnl3, "ambisonics,dec3",4 ; soundout achnl4, "ambisonics,dec4",4 ; soundout achnl5, "ambisonics,dec5",4 ; soundout achnl6, "ambisonics,dec6",4 ; soundout achnl7, "ambisonics,dec7",4 ; soundout achnl8, "ambisonics,dec8",4 ; soundout achnl9, "ambisonics,dec9",4 ; soundout achnl10, "ambisonics,dec10",4 ; soundout achnl11, "ambisonics,dec11",4 ; soundout achnl12, "ambisonics,dec12",4 fout "ambisonic-do2dec1", 2, achnl1 fout "ambisonic-do2dec2", 2, achnl2 fout "ambisonic-do2dec3", 2, achnl3 fout "ambisonic-do2dec4", 2, achnl4 fout "ambisonic-do2dec5", 2, achnl5 fout "ambisonic-do2dec6", 2, achnl6 fout "ambisonic-do2dec7", 2, achnl7 fout "ambisonic-do2dec8", 2, achnl8 fout "ambisonic-do2dec9", 2, achnl9 fout "ambisonic-do2dec10", 2, achnl10 fout "ambisonic-do2dec11", 2, achnl11 fout "ambisonic-do2dec12", 2, achnl12 skipend: endin /*instr 81 9-CHNL DECODING UNIT, 2nd ORDER AMBISONICS */ i81 0 35 1 e e /*instr 40 x,y,z -READER */ /*instr 42 x, y, z -CONVERTER*/ /*instr 46 A,E,D - MOVEMENT SCORE READER*/ /*instr 47 AED- MODULATOR*/ /*instr 48 AED RANDOMIZER*/ /*instr 50 SOUNDFILE READER*/ /*instr 60 LOCAL ( TRACK APPLIED) REVERB*/ /*instr 66 GLOBAL REVERB ( W- CHANNEL APPLIED)*/ /*instr 70 HRTF ENCODE+IID+ITD*/ /*instr 71 READING, MIXING, OUTPUT*/ /*instr 72 9-CHNL ENCODING UNIT, 2nd ORDER AMBISONICS*/ /*instr 73 MIXING, OUTPUT & 9-CHNL DECODING UNIT, 2nd ORDER AMBISONICS */ Version: 3 Render: Real Ask: Yes Functions: Window WindowBounds: 31 70 990 722 Options: -b128 -A -s -m7 -R ioView nobackground {65535, 65535, 65535} ioListing {10, 10} {400, 500}