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interval-magic
====== Differences ====== This shows you the differences between two versions of the page.
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interval-magic [2015/10/25 12:16] georgid |
interval-magic [2015/11/01 12:41] georgid |
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| based on algorithms: | based on algorithms: | ||
| - | * Pitch Extraction | + | ==Pitch Extraction== |
| - | Melody Extraction from Polyphonic Music Signals using Pitch Contour Characteristics | + | [1] Melody extraction |
| http://mtg.upf.edu/node/2436 | http://mtg.upf.edu/node/2436 | ||
| ==Note segmentation== | ==Note segmentation== | ||
| - | Note segmentation is performed based on pitch contour characteristics (island building) and signal RMS. Notes below an adjustable minimum duration are rejected. | + | Note segmentation is performed based on pitch contour characteristics (island building) and signal RMS. Notes below an adjustable minimum duration are rejected. [2] |
| ==Demo== | ==Demo== | ||
| - | 1. Make a query selecting the sequence of notes. | + | 1. Query a sequence of intervals by selecting them in a grid where each step is a semitone. |
| {{::screen3.png?200|}} | {{::screen3.png?200|}} | ||
| - | 2. Then the Segmentation is computed and the output is displayed | ||
| - | {{::screen4.png?600|}} | ||
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| + | 2. Pitch detection and note segmentation is run behind the scenes | ||
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| + | note segmentation output: | ||
| {{::screenshotandalucia_segm.png?400|}} | {{::screenshotandalucia_segm.png?400|}} | ||
| - | [1] R. J. McNab et al., "Signal processing for melody transcription," in Proc. Proc. 19th Australasian Computer Science Conf., 1996 | + | |
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| + | 3. The retrieved audio segment is played and its segmented contour displayed | ||
| + | {{::screen4.png?600|}} | ||
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| + | [1] Salomon et al. Melody Extraction from Polyphonic Music Signals using Pitch Contour Characteristics | ||
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| + | [2] R. J. McNab et al., "Signal processing for melody transcription," in Proc. Proc. 19th Australasian Computer Science Conf., 1996 | ||
interval-magic.txt · Last modified: 2015/11/13 11:34 by georgid
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