Abstract
The theory of cognitive distribution has been widely used in the field of artificial intelligence. This article takes music as example, and from the point of distributing view to bring out the hypothetical model of cognition that the researchers have on the music based the view of the characters of sound level distribution matrix (PCDM). Based on PCDM, combining with the technology of music signal processing, we propose an analyze technology framework of musical tuning elements based on cognitive distributed features. At last, this article carry out many comparative experiment of musical tuning testing upon the database constructed by many real music of different style, including the starting point detecting, the fundamental frequency estimating and the mechanisms of tuning smoothing.
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