22,425 research outputs found

    Communicating and accentuating the aesthetic and expressive dimension in choral conducting

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    This article considers the issues that are involved in effective choral conducting from an aesthetic dimension. Drawing upon research, theories and practice, it provides some insight into the nature of communication and the significance of gesture on vocal outcome as well as qualities of leadership concomitant with such musical activity. The article also reports on a research study that investigated the professional development of students and teachers in the area of choral conducting, focusing on their attitudes, skill acquisition and the importance attached to reflection on practice. The findings reveal that consideration of what counts as effective conducting gesture and communication skill can promote better conducting and, consequently, better, more expressive singing. In addition, the positive impact of self and peer reflection on progress (both face-to-face and within a virtual learning environment) was also acknowledged. Certain suggestions for promoting effective musical leadership in the area of choral conducting are provided, in order to ground theoretical perspectives in practice

    BitBox!:A case study interface for teaching real-time adaptive music composition for video games

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    Real-time adaptive music is now well-established as a popular medium, largely through its use in video game soundtracks. Commercial packages, such as fmod, make freely available the underlying technical methods for use in educational contexts, making adaptive music technologies accessible to students. Writing adaptive music, however, presents a significant learning challenge, not least because it requires a different mode of thought, and tutor and learner may have few mutual points of connection in discovering and understanding the musical drivers, relationships and structures in these works. This article discusses the creation of ‘BitBox!’, a gestural music interface designed to deconstruct and explain the component elements of adaptive composition through interactive play. The interface was displayed at the Dare Protoplay games exposition in Dundee in August 2014. The initial proof-of- concept study proved successful, suggesting possible refinements in design and a broader range of applications

    Evaluating the Wiimote as a musical controller

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    The Nintendo Wiimote is growing in popularity with mu-sicians as a controller. This mode of use is an adaptationfrom its intended use as a game controller, and requiresevaluation of its functions in a musical context in orderto understand its possibilities and limits. Drawing on Hu-man Computer Interaction methodology, we assessed thecore musical applications of the Wiimote and designeda usability experiment to test them. 17 participants tookpart, performing musical tasks in four contexts: trigger-ing; precise and expressive continuous control; and ges-ture recognition. Interviews and empirical evidence wereutilised to probe the device’s limitations and its creativestrengths. This study should help potential users to planthe Wiimote’s employment in their projects, and should beuseful as a case study in HCI evaluation of musical con-trollers

    A Mimetic Strategy to Engage Voluntary Physical Activity In Interactive Entertainment

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    We describe the design and implementation of a vision based interactive entertainment system that makes use of both involuntary and voluntary control paradigms. Unintentional input to the system from a potential viewer is used to drive attention-getting output and encourage the transition to voluntary interactive behaviour. The iMime system consists of a character animation engine based on the interaction metaphor of a mime performer that simulates non-verbal communication strategies, without spoken dialogue, to capture and hold the attention of a viewer. The system was developed in the context of a project studying care of dementia sufferers. Care for a dementia sufferer can place unreasonable demands on the time and attentional resources of their caregivers or family members. Our study contributes to the eventual development of a system aimed at providing relief to dementia caregivers, while at the same time serving as a source of pleasant interactive entertainment for viewers. The work reported here is also aimed at a more general study of the design of interactive entertainment systems involving a mixture of voluntary and involuntary control.Comment: 6 pages, 7 figures, ECAG08 worksho

    Introduction to Gestural Similarity in Music. An Application of Category Theory to the Orchestra

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    Mathematics, and more generally computational sciences, intervene in several aspects of music. Mathematics describes the acoustics of the sounds giving formal tools to physics, and the matter of music itself in terms of compositional structures and strategies. Mathematics can also be applied to the entire making of music, from the score to the performance, connecting compositional structures to acoustical reality of sounds. Moreover, the precise concept of gesture has a decisive role in understanding musical performance. In this paper, we apply some concepts of category theory to compare gestures of orchestral musicians, and to investigate the relationship between orchestra and conductor, as well as between listeners and conductor/orchestra. To this aim, we will introduce the concept of gestural similarity. The mathematical tools used can be applied to gesture classification, and to interdisciplinary comparisons between music and visual arts.Comment: The final version of this paper has been published by the Journal of Mathematics and Musi

    Action-based effects on music perception

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    The classical, disembodied approach to music cognition conceptualizes action and perception as separate, peripheral processes. In contrast, embodied accounts of music cognition emphasize the central role of the close coupling of action and perception. It is a commonly established fact that perception spurs action tendencies. We present a theoretical framework that captures the ways in which the human motor system and its actions can reciprocally influence the perception of music. The cornerstone of this framework is the common coding theory, postulating a representational overlap in the brain between the planning, the execution, and the perception of movement. The integration of action and perception in so-called internal models is explained as a result of associative learning processes. Characteristic of internal models is that they allow intended or perceived sensory states to be transferred into corresponding motor commands (inverse modeling), and vice versa, to predict the sensory outcomes of planned actions (forward modeling). Embodied accounts typically refer to inverse modeling to explain action effects on music perception (Leman, 2007). We extend this account by pinpointing forward modeling as an alternative mechanism by which action can modulate perception. We provide an extensive overview of recent empirical evidence in support of this idea. Additionally, we demonstrate that motor dysfunctions can cause perceptual disabilities, supporting the main idea of the paper that the human motor system plays a functional role in auditory perception. The finding that music perception is shaped by the human motor system and its actions suggests that the musical mind is highly embodied. However, we advocate for a more radical approach to embodied (music) cognition in the sense that it needs to be considered as a dynamical process, in which aspects of action, perception, introspection, and social interaction are of crucial importance

    The effects of nonverbal behaviors exhibited by multiple conductors on the timbre, intonation, and perceptions of three university choirs, and assessed relationships between time spent in selected conductor behaviors and analysis of the choirs' performances

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    This investigation examined the effects of aggregate nonverbal behaviors exhibited by 10 videotaped conductors on the choral sound and perceptions of 3 university choirs (N = 61 choristers) as they sang from memory the same a cappella motet. It then assessed relationships between time spent in selected nonverbal conducting behaviors and the choirs' sung performances and perceptions. Examined nonverbal conductor behaviors were: (a) height of vertical gestural plane; (b) width of lateral gestural plane; (c) hand shape; and (d) emotional face expression. Dependent measures included Long Term Average Spectra (LTAS) data, pitch analyses, and singer questionnaires. Among primary findings: (a) aggregate singer ratings yielded significant differences among the 10 conductors with respect to perceived gestural clarity and singing efficiency; (b) each of the 3 choirs responded similarly in timbre and pitch to the 10, counter-balanced conductor videos presented; (c) significantly strong, positive correlations between LTAS and pitch results suggested that those conductors whose nonverbal behaviors evoked more spectral energy in the choirs' sound tended also to elicit more in tune singing; (d) the 10 conductors exhibited significantly different amounts of aggregate time spent in the gestural planes and hand shapes analyzed; (e) above shoulder vertical gestures related significantly to less timbral energy, while gestures below shoulder level related significantly to increased timbral energy; (f) significantly strong, positive correlations between singer questionnaire responses and both pitch and LTAS data suggested that the choirs' timbre and pitch tended to vary according to whether or not the singers perceived a conductor's nonverbal communication as clear and whether or not they perceived they sang efficiently while following a particular conductor; (g) moderately strong, though not significant, associations between lateral gestures within the torso area and both pitch (more in tune) and timbre (more spectral energy), and between lateral gestures beyond the torso area and both pitch (less in tune) and timbre (less spectral energy); and (h) weak, non-significant correlations between aggregate time spent in various hand postures and the choirs' timbre and intonation, and between identified emotional face expressions and analyses of the choirs' sound

    The Effect of Conductor Head and Shoulder Movement and Preparatory Gesture Direction on Upper Body Movement of Individual Singers

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    This study examined participants" head and shoulder movements during 2 breath inhalation moments as they sang a familiar melody while viewing a videotaped conductor under 5 conductor preparatory gesture conditions. Results indicated apparent differences in participant head and shoulder movement with varied preparatory gestures. Specifically, participant head movement significantly increased with conductor upward head movement and participant shoulder movement significantly increased with conductor upward shoulder movement. Participant shoulder movement also increased during a downward moving gesture as compared to an upward moving gesture. In addition, less experienced participants appeared to move their heads less, but their shoulders more than experienced participants across all gesture conditions. Finally, participant head and shoulder measurements also differed between the initial breath and the internal breath taken in the melody. These results were discussed in terms of conductor gestural behaviors in choral rehearsals, limitations of the study, and suggestions for further research

    Conducting a virtual ensemble with a kinect device

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    This paper presents a gesture-based interaction technique for the implementation of an orchestra conductor and a virtual ensemble, using a 3D camera-based sensor to capture user’s gestures. In particular, a human-computer interface has been developed to recognize conducting gestures using a Microsoft Kinect device. The system allows the conductor to control both the tempo in the piece played as well as the dynamics of each instrument set independently. In order to modify the tempo in the playback, a time-frequency processing-based algorithmis used. Finally, an experiment was conducted to assess user’s opinion of the system as well as experimentally confirm if the features in the system were effectively improving user experience or not.This work has been funded by the Ministerio de Economia y Competitividad of the Spanish Government under Project No. TIN2010-21089-C03-02 and Project No. IPT-2011-0885-430000 and by the Junta de Andalucia under Project No. P11-TIC-7154. The work has been done at Universidad de Malaga. Campus de Excelencia Internacional Andalucia Tech
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