Abstract:The consideration of human feelings in automated music generation by intelligent music systems, albeit a compelling theme, has received very little attention. This work aims to computationally specify a system's music compositional intelligence that tightly couples with the listener's affective perceptions. First, the system induces a model that describes the relationship between feelings and musical structures. The model is learned by applying the inductive logic programming paradigm of FOIL coupled with the … Show more
“…1, wherein CH is a candidate chromosome) takes into account what the induced relations indicate as fit to the user's affect perceptions as well as fit to certain principles in music theory that we specified (discussed in detail in [5]). This makes it possible to generate chord progressions that fit the music theory and cause the perceived affect.…”
Section: Music Composition Using Genetic Algorithmmentioning
confidence: 99%
“…This motivation to translate human subjective perceptions to product design parameters originated from Kansei (this is a Japanese word that literally means human feelings; researchers in the west later on provided the equivalent term Affective) Engineering [3], [4], which is the study of human-product interactions by quantifying and measuring human affect (i.e., mood or emotion) and its correlation to certain product properties, and to use this correlation knowledge to design products that are more satisfying to consumers. The CAUI modifies and creates new music score features, hence constructive, after these score features are classified into some affective perceptual categories [5]. It is adaptive since it recognizes and adjusts its compositional knowledge based on user affective perceptions.…”
Section: Introductionmentioning
confidence: 99%
“…Since its conception, the design of the CAUI has been continuously developed on several fronts [2], [6], [5], [7], namely, target outcome (e.g., predictive models of user affect perceptions, musical arrangements, and original music compositions), scope of music theory (e.g., partial and/or overall music structures, chord functions, and 8-bar chord progressions), machine learning algorithms, (e.g., refinement theory, genetic algorithm, diverse density with a weighting metric applied over multiple-part data, and symbiotic evolution [8]), and affect labeling instruments (e.g., semantic differentials and EEG-based emotion spectrum analyzer [9]). A persisting and major shortcoming of the CAUI, however, is creating adequately well-structured tunes from the viewpoint of music theory, particularly in coming up with compositions that are more fluent, cohesive and melodic.…”
Section: Introductionmentioning
confidence: 99%
“…Lastly, melodies are added by modifying the best chordal tones that the GA found in order to create non-harmonic tones thereby creating non-monotonic musical pieces. We refer the reader to our earlier paper, [5], that discusses in greater length the technical aspects of the framework. We note however two differences in the framework, namely, that we only used here FOIL and without the Diverse Density algorithm and improved the genetic algorithm component by incorporating the minimal generation gap technique.…”
Although the design of our constructive adaptive user interface (CAUI) for an affect-based music compositional artificial intelligence has been modified on several fronts since the time it was introduced, what has become a persisting limitation of our research is the extent by which it should efficiently cover music theory effectively. This paper reports our initial investigation on the possible significant contribution of melodic motif in creating compositions that are more fluent and cohesive. From an initial collection of 10 melodic motifs from different musical pieces, we provided heuristic-based renditions to these melodic motifs, four for each one, and obtained a total of 50 melodic motifs. We asked 10 subjects to provide self-annotations of the affective flavor of these motifs. We then represented these motifs as first-order logic predicates and employed inductive logic programming for the CAUI to learn relations of user affect perceptions and music features. To obtain new compositions, we first used a genetic algorithm with a fitness function that is based on the induced relations for the CAUI to generate chordal tone variants. We then used probabilistic modifications for the CAUI to alter these chordal tones to become non-harmonic tones. The CAUI composed 60 new user-specific affect-based musical pieces for each subject. Our results indicate that the compositions differ significantly for only one pair of affect type when the subject evaluations of the CAUI compositions were compared using paired t-test. However, when we compared the subject evaluations of the quality of the melodies and of the musical pieces from when melodic motif variants were not considered, the improvement is significant with t-values of 5.86 and 6.33, respectively, for a significance level of 0.01.
“…1, wherein CH is a candidate chromosome) takes into account what the induced relations indicate as fit to the user's affect perceptions as well as fit to certain principles in music theory that we specified (discussed in detail in [5]). This makes it possible to generate chord progressions that fit the music theory and cause the perceived affect.…”
Section: Music Composition Using Genetic Algorithmmentioning
confidence: 99%
“…This motivation to translate human subjective perceptions to product design parameters originated from Kansei (this is a Japanese word that literally means human feelings; researchers in the west later on provided the equivalent term Affective) Engineering [3], [4], which is the study of human-product interactions by quantifying and measuring human affect (i.e., mood or emotion) and its correlation to certain product properties, and to use this correlation knowledge to design products that are more satisfying to consumers. The CAUI modifies and creates new music score features, hence constructive, after these score features are classified into some affective perceptual categories [5]. It is adaptive since it recognizes and adjusts its compositional knowledge based on user affective perceptions.…”
Section: Introductionmentioning
confidence: 99%
“…Since its conception, the design of the CAUI has been continuously developed on several fronts [2], [6], [5], [7], namely, target outcome (e.g., predictive models of user affect perceptions, musical arrangements, and original music compositions), scope of music theory (e.g., partial and/or overall music structures, chord functions, and 8-bar chord progressions), machine learning algorithms, (e.g., refinement theory, genetic algorithm, diverse density with a weighting metric applied over multiple-part data, and symbiotic evolution [8]), and affect labeling instruments (e.g., semantic differentials and EEG-based emotion spectrum analyzer [9]). A persisting and major shortcoming of the CAUI, however, is creating adequately well-structured tunes from the viewpoint of music theory, particularly in coming up with compositions that are more fluent, cohesive and melodic.…”
Section: Introductionmentioning
confidence: 99%
“…Lastly, melodies are added by modifying the best chordal tones that the GA found in order to create non-harmonic tones thereby creating non-monotonic musical pieces. We refer the reader to our earlier paper, [5], that discusses in greater length the technical aspects of the framework. We note however two differences in the framework, namely, that we only used here FOIL and without the Diverse Density algorithm and improved the genetic algorithm component by incorporating the minimal generation gap technique.…”
Although the design of our constructive adaptive user interface (CAUI) for an affect-based music compositional artificial intelligence has been modified on several fronts since the time it was introduced, what has become a persisting limitation of our research is the extent by which it should efficiently cover music theory effectively. This paper reports our initial investigation on the possible significant contribution of melodic motif in creating compositions that are more fluent and cohesive. From an initial collection of 10 melodic motifs from different musical pieces, we provided heuristic-based renditions to these melodic motifs, four for each one, and obtained a total of 50 melodic motifs. We asked 10 subjects to provide self-annotations of the affective flavor of these motifs. We then represented these motifs as first-order logic predicates and employed inductive logic programming for the CAUI to learn relations of user affect perceptions and music features. To obtain new compositions, we first used a genetic algorithm with a fitness function that is based on the induced relations for the CAUI to generate chordal tone variants. We then used probabilistic modifications for the CAUI to alter these chordal tones to become non-harmonic tones. The CAUI composed 60 new user-specific affect-based musical pieces for each subject. Our results indicate that the compositions differ significantly for only one pair of affect type when the subject evaluations of the CAUI compositions were compared using paired t-test. However, when we compared the subject evaluations of the quality of the melodies and of the musical pieces from when melodic motif variants were not considered, the improvement is significant with t-values of 5.86 and 6.33, respectively, for a significance level of 0.01.
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