A system and method for creating a ring tone for an electronic device
takes as input a phrase sung in a human voice and transforms it into a
control signal controlling, for example, a ringer on a cellular
telephone. Time-varying features of the input signal are analyzed to
segment the signal into a set of discrete notes and assigning to each
note a chromatic pitch value. The set of note start and stop times and
pitches are then translated into a format suitable for controlling the
device.