Patent ID: 7945446
Filing Date: 2011-05-17
Classification: G10H,G10L

Abstract:
1. A sound processing apparatus comprising: a pitch detection section that detects a pitch of an input sound; an envelope detection section that detects a spectrum envelope of the input sound; a spectrum acquisition section that acquires converting spectrums that are frequency spectrums of a converting sound comprising a plurality of sounds; a spectrum conversion section that generates output spectrums created by imparting the spectrum envelope of the input sound, detected by said envelope detection section, to the converting spectrums acquired by said spectrum acquisition section; and a sound synthesis section that synthesizes a sound signal on the basis of the output spectrums generated by said spectrum conversion section, wherein said plurality of sounds included in said converting sound have been sounded in parallel from different sound sources, said converting spectrums having a plurality of peaks, a band of each of the peaks being wider than a corresponding band of each peak of spectrums of the input sound, and wherein, as data representative of the converting spectrums acquired by said spectrum acquisition section, said spectrum acquisition section supplies, for each spectrum composing the converting spectrums, unit data composed of data indicative of a frequency and intensity of the spectrum at the frequency, and wherein said spectrum conversion section includes: