aw, ax, ay, az bformenc asig, kalpha, kbeta, kord0, kord1
aw, ax, ay, az, ar, as, at, au, av bformenc asig, kalpha, kbeta, kord0, kord1 , kord2
aw, ax, ay, az, ar, as, at, au, av, ak, al, am, an, ao, ap, aq bformenc asig, kalpha, kbeta, kord0, kord1, kord2, kord3
aw, ax, ay, ... -- output cells of the B format.
asig -- input signal.
kalpha –- azimuth angle in degrees (clockwise).
kbeta -- altitude angle in degrees.
kord0 -- linear gain of the zero order B format.
kord1 -- linear gain of the first order B format.
kord2 -- linear gain of the second order B format.
kord3 -- linear gain of the third order B format.
instr 1 ; generate pink noise anoise pinkish 1000 ; two full turns kalpha line 0, p3, 720 kbeta = 0 ; fade ambisonic order from 2nd to 0th during second turn kord0 = 1 kord1 linseg 1, p3 / 2, 1, p3 / 2, 0 kord2 linseg 1, p3 / 2, 1, p3 / 2, 0 ; generate B format aw, ax, ay, az, ar, as, at, au, av bformenc anoise, kalpha, kbeta, kord0, kord1, kord2 ; decode B format for 8 channel circle loudspeaker setup a1, a2, a3, a4, a5, a6, a7, a8 bformdec 4, aw, ax, ay, az, ar, as, at, au, av ; write audio out out a1, a2, a3, a4, a5, a6, a7, a8 endin