Meeting at King's College » History » Version 3

Mathieu Barthet, 2011-11-28 10:44 PM

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h1. Meeting at King's College wrap-up
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Mathieu Barthet, Daniel Leech-Wilkinson, Dan Tidhar
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h2. New tutorials for Sonic Visualiser
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h3. Online video tutorials
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- covering basic features:
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   - how to load a sound
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   - how to install a Vamp plugin
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   ...
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- video tutorials targeting the analysis of various musical variables (timing, pitch, timbre, etc.)
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- video tutorials associated with the examples from "A musicologist's guide to Sonic Visualiser" by Nicholas Cook and Daniel Leech-Wilkinson
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Tutorials linked to Pitch analysis:
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* How to obtain a graphic melodic shape:
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- Use the MIDI tool to mark the notes
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- Copy the layer in a time layer
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This makes easier the analysis of the relationships of the melodic contour with tempo curves.
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Example that can be used:
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Strong correlation between melody & tempo contours in the performacne of the Chopin berçeuse by Cortot. 
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Tutorials linked to Dynamics analysis:
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* How to change the resolution of the energy curve: 
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- Use the Power curve Mazurka plugin
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- Change the settings to change the smoothing factor
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h2. Ideas for Sonic Visualiser improvements
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h3. Layer display
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It would be useful to be able to change the dynamic range of layer curves (vertical compression) and their relative positions to facilitate their comparisons.
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This may be a way to adapt the display to the way we perceive different audio streams.
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Example: Cortot - 8th prelude Chopin
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h3. Computation of correlation coefficients 
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Between different curves (e.g. Pearson r between the melodic contour curve and the tempo curve).
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h2. Ideas for new Vamp plugins
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h3. Vamp plugin to characterise the harmonic complexity of a piece
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Key recognition gives a bit of information about harmonic complexity.
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Harmonic complexity may be characterised by a post-processing of the chromagram.
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h3. Vamp plugin to measure the dissonance
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h3. Vamp plugin to measure the roughness
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h2. Feedback on Sonic Visualiser Library Edition
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Dan L-W. and Dan T. will give some feedback on the new features from the Library Edition (e.g. templates).
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h2. Issue: order of appearance of the layer tabs
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Each time a session file is opened, the tabs of the layers appear in different orders, making it impossible to refer to a specific tab number in tutorials or lectures.