sr     = 44100
	kr     = 4410
	ksmps  = 10
	nchnls = 1

	instr 1
iamp	= ampdb(p4)
kenv	linseg 0,p3/8,iamp,p3/4,iamp/2,p3/4,iamp/2,3*p3/8,0
kfreq	linseg 0,p3/2,p5/8,p3/2,0
asin	oscil kenv,p5+kfreq,1
	out asin
	endin