ex1C01. dB vs linear

Amplitudes should follow the dB scale and change via the log function.

# ex1C01.py
# dB vs linear

from moduleCsound import *

tags(1)

header(ksmps=32)

add("""
instr 1 ;linear amplitude rise
kamp      line    0, p3, 1     ;amp rise 0->1
asig      oscils  1, 1000, 0   ;1000 Hz sine
aout      =       asig * kamp
          outs    aout, aout
endin

instr 2 ;linear rise of dB
kdb       line    -80, p3, 0   ;dB rise -80 -> 0
asig      oscils  1, 1000, 0   ;1000 Hz sine
kamp      =       ampdb(kdb)   ;transformation db -> amp
aout      =       asig * kamp
          outs    aout, aout
endin
""")

tags(2)

add("""
i 1 0 10
i 2 11 10
""")

tags(3)

writeRun(__file__)