Using Musical Information Music 253/CS 275A 1B Stanford University
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Using Musical Information
Music 253/CS 275A 1B
Stanford University
CS 275A/Music 253 2013 Eleanor Selfridge-Field 2
1. Classifying Data Domains
Visual domain scores, parts
Aural domain performances, recordings
Logical domain analytical data sets
Cognitive/perceptual domain how we hear/understand music
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2. Granularity of information Data for interchange Data for classification
Data for feature analysisData for form analysis
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3. Information for comparison
Identity #1:
The atmospheric nitrogen map of the US
Identity #2:
The ground nitrogen map of the US
Entity: the US
Background=US Background=US
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4. Musical features of one note
Violin
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4. Musical features of one note
Violin
Cognitive filter to discover one note
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4. Musical features of one note
clefmeter
pitch
duration
Violin
timbre
double bar
Contextual information (notation)
Contextual information (sound)
pitch
duration
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5. Musical features by domain
Articulation
Dynamics, Gesture
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5. Domain conflicts (symbols vs sound)
Articulation
Dynamics, Gesture
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6. Data beyond time (Beyond MIDI #2)
Time-stealing “durations”
ArpeggiosGrace notes (single, multiple)
Staccatos
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7. Score organization Types 1a, 1b (Beyond MIDI #1)
Score-major systems
Part- major systems
Page-traversal dilemmas
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7. Score organizationType 2 (Beyond MIDI #2)
The “grand staff”
The grand staff as a single instrument
8. Sound features not in notation
Sound decayhttp://www.youtube.com/watch?v=WdGQulTuwiQ [from Stephen Malinowski’s Music Animation Machine]
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9. The GUIDO NoteServer (ASCII input)
1. Sound
2. Symbol
3. Stored data
http://www.noteserver.org/Find method for entering: pitch, inflection, octave
Developed by Holger Hoos et al at the Fraunhofer Institut, Darmstadt, 2000-04]
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Guido: input Feature definition and grouping
Pitch (key no.)
Note duration
Note prolongation
Octave number
Pitch inflection
Data representation stored
"FrereJacques"
60 7248
CS 275A/Music 253 2013 Eleanor Selfridge-Field 16
Guido: input Feature definition and grouping
Pitch (key no.)
Note duration
Note prolongation
Octave number
Pitch inflection
Data representation stored
"FrereJacques"
60 7248
MIDI “pitch” anchor
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