(random)

Returns a random number between 0 and 1.

(midi->hz m)

Converts the midi key number m to a frequency value in Hertz

(mc->hz mc)

Converts mc from midi-cents to Hertz.

(db->amp db)

Converts db from decibels to amplitude.

(new-array length)

Creates a new object array of length length.

(array-set! a e i)

Sets element i of array a to e.

(array-get a i)

Returns the i-th element of array a.

(array-length a)

Returns the length of array a.

(array e1 e2 ...)

Creates a new array with elements e1, e2, ...

(list->array l)

Converts the list l to an array.