Exercises

1. An envelope generator rises from zero to a peak value during its attack segment. How many decibels less than the peak has the output reached halfway into the attack, assuming linear output? Fourth-power output?
2. What input to a fourth-power transfer function gives an output of -12 dB, if an input of 1 outputs 0 dB?
3. A three-note chord, lasting 1.5 seconds, is played starting once every second. How many voices would be needed to synthesize this without cutting off any notes?