6. The method of claim 5 wherein the oscillator peaks of the identified group are representative of a voiced component of a semi-voiced sound, and the additional peaks are representative of an unvoiced component of the semi-voiced sound.
6. The method of claim 5 wherein the oscillator peaks of the identified group are representative of a voiced component of a semi-voiced sound, and the additional peaks are representative of an unvoiced component of the semi-voiced sound. 7. The method of claim 6 , wherein the power normalizing is performed in manner that maintains the ratio of the power between the peaks in the first subdivision and the second subdivision.