Automatic Mashup Creation by Considering Both Vertical and Horizontal Mashabilities
Date Issued
2015
Date
2015
Author(s)
Lee, Chuan-Lung
Abstract
In this paper, we proposed a system to effectively create music mashups – a kind of re-created music that is made by mixing parts of multiple existing music pieces. Unlike previous studies which merely generate mashups by overlaying music segments on one single base track, the proposed system creates mashups with multiple background (e.g. instrumental) and lead (e.g. vocal) track segments. So, besides the suitability between the vertically overlaid tracks (i.e. vertical mashability) used in previous studies, we proposed to further consider the suitability between the horizontally connected consecutive music segments (i.e. horizontal mashability) when searching for proper music segments to be combined. On the vertical side, two new factors:“texture balance” and “volume weight” have been considered. On the horizontal side, the methods used to find proper segments for concatenation in the studies of medley creation are incorporated. Combining vertical and horizontal mashabilities together, we defined four levelsof mashability that may be encountered and found the proper solution to each one of them. Subjective evaluations showed that the proposed four levels of mashability can appropriately reflect the degrees of listening enjoyment. Besides, by taking the newly proposed vertical mashability measurement into account, the improvement in user satisfaction is statistically significant.
Subjects
music mashup
mashability
vertical mashability
horizontal mashability
texture balance
volume weight
creative MIR
Type
thesis
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