In testing csound6 I became aware of the bformenc1 example csd not behaving as expected. The same in csound 5 & 6. The sound seems to be only mix in one channel rather than rotating around.

bformenc works fine. 

Best

Peiman

<CsoundSynthesizer>

<CsOptions>

-otest.aif -A -3 -d

</CsOptions>

<CsInstruments>

sr = 44100

kr = 4410

ksmps = 10

nchnls = 8

instr 1

        ; generate pink noise

        anoise pinkish 1000

        

        ; two full turns

        kalpha line 0, p3, 720

        kbeta = 0

        

        ; generate B format

        aw, ax, ay, az, ar, as, at, au, av bformenc1 anoise, kalpha, kbeta

        

        ; decode B format for 8 channel circle loudspeaker setup

        a1, a2, a3, a4, a5, a6, a7, a8 bformdec1 4, aw, ax, ay, az, ar, as, at, au, av

        

        ; write audio out

        outo a1, a2, a3, a4, a5, a6, a7, a8

endin

</CsInstruments>

<CsScore>

; Play Instrument #1 for 20 seconds.

i 1 0 20

e

</CsScore>

</CsoundSynthesizer>