| http://www.w3.org/ns/prov#value | - If otherwise, a peak is found which is within a pitch range satisfying a predetermined relation with respect to a pitch as found with frames other than the current frame, such as temporally preceding and succeeding frames, such as within a pitch range of ???20% with the pitch of the temporally preceding frame as center, and the pitch of the current frame is determined based on the thus found peak
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