Timbre is third attribute of subjective experience for a sound stimulus beside loudness and tone which distinguishes two sounds of equal loudness and tone.Timbre is hardly given by a value but described by physical parameters in a multidimensional space.The spectral centroid characters and their application to recognizing targets were studied.The spectral centroid,as one of physical parameters in timbre space,reflects sound frequency mean based on spectral energy distribution and is determined by several fo...
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