Resonance apparatus, resonance method and computer program for resonance processing
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United States of America Patent
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Jul 13, 2004
Grant Date -
Nov 14, 2002
app pub date -
Apr 17, 2002
filing date -
Apr 17, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Resonance is realized at a desired plurality of tone pitches even after the musical tone signals of a plurality of channels have been synthesized; synthesized musical tone signals are successively delayed, the musical tone signals that are successively delayed are weighted, synthesized and output; the delayed, weighted, synthesized and outputted musical tone signals are fed back, and a series of successive delays, weights, synthesizes and outputs by the feed back are repeated and thus resonance characteristics is imparted; the amount of weighting the musical tone signals successively delayed is determined based upon a relationship among the delay feedback period, the period of sampling the generated musical tone signals and the tone pitch period of the resonance sound imparted with resonance characteristics, and a frequency of the resonance characteristics are determined; Therefore, the resonance characteristics are added at a desired tone pitch after the plurality of musical tone signals are synthesized into one. Accordingly, the resonance processing is conducted very simply.
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