Anastasia Georgaki

National and Kapodistrian University of Athens | uoa · Faculty of Music Studies

It's known that the second half of the twentieth century brought a major leverage on the use of electronics for music composition, interactive media technologies have been producing an artistic and cultural revolution, they are giving birth to new art forms including immersive new opera and musical theatre. We present a human-centered gestural syst...

This study presents a vocal analysis prototype tool for the quantification of the nasality characteristic in singing. The tool is part of a larger, under development, software suite for the singing voice, which is aimed towards the analysis of both qualitative and quantitative vocal characteristics from specific audio samples. The tool examines the...

A musical accompaniment is often used in movement coordination and stability exercise modalities, although considered obstructive for their fundament of preferred movement pace. This study examined if the rhythmic strength of musical excerpts used in movement coordination and exercise modalities allows the preferred spatio-temporal pattern of movem...

Singing voice is a human quality that requires the precise coordination of numerous kinetic functions and results in a perceptually variable auditory outcome. The use of multi-sensor systems can facilitate the study of correlations between the vocal mechanism kinetic functions and the voice output. This is directly relevant to vocal education, reha...

This work looks at improvisations produced by the OMax, ImproteK, and Djazz ML generators, through the lens of the elements of music and suggests a musically-oriented evaluation methodology. This idiomatic music analysis is presented from a jazz performer's point of view, reflecting upon cognitive foundations of emotion and meaning. The analysis, b...

We present a simulation method for the auralization of the ancient Greek double-reed wind instrument Aulos. The implementation is based on Digital Signal Processing and physical modeling techniques for the instrument’s two parts: the excitation mechanism and the acoustic resonator with toneholes. Single-reeded instruments are in-depth studied first...

This paper illustrates the significance of the concept of information as a tool to expound sonification design. Previous works approached the concept of information systematically. However, its structural characteristics during the process of sonification have not been thoroughly discussed. In order to address the above, this paper presents a frame...

The design of immersive soundscape experiences, both for artistic and informative purposes, is an established field in Auditory Display. This paper describes the process of designing historically informed soundscapes to be incorporated in modern travel-guide applications. The work stems from the research project TRACCE (TRavelogue with Augmented Cu...

This paper illustrates the significance of the concept of information as a tool to expound sonification design. Previous works approached the concept of information systematically. However, its structural characteristics during the process of sonification have not been thoroughly discussed. In order to address the above, this paper presents a frame...

The quality level in Operatic Singing has been repeatedly reported as declining by a number of academic scholars, music critics, and distinguished opera professionals and teachers, during the last few decades. This narrative review attempts to combine scientific research results from Physiology, Acoustics, Psychoacoustics, Sociology, and Cognitive...

Introduction: The effect of rhythmic acoustic stimuli on body sway is of increasing interest due to their positive contribution when training or restoring the control of movement. Inertial sensors show promise as a portable, easier, and more affordable method compared to the force plate "gold standard" concerning the evaluation of postural sway. T...

It is considered hard to teach programming in secondary education while achieving the aims of curriculum. However, when teaching is supported by suitable methodologies, learning can be ameliorated. Under this premise, this paper discusses different teaching approaches to programming in secondary education and examines the potential benefit of sound...

It is considered hard to teach programming in secondary education while achieving the aims of curriculum. However, when teaching is supported by suitable methodologies, learning can be ameliorated. Under this premise, this paper discusses different teaching approaches to programming in secondary education and examines the potential benefit of sound...

Lyric-voice quality level has been repeatedly reported as declining during the last few decades, both by scholars and distinguished opera professionals. Many believe that the current vocal pedagogy for this genre is to be blamed for this effect and have reported a need for vocal education reform. Meanwhile, scientific research of the vocal mechanis...

Jazz mapping" is a multi-layered analytical approach to jazz improvisation. It is based on hierarchical segmenta-tion and categorization of segments, or constituents, according to their function in the overall improvisation. The approach aims at identifying higher-level semantics of transcribed and recorded jazz solos. At these initial stages , ana...

Η μέλισσα αποτελεί ένα από τα σημαντικότερα έντομα στο οικοσύστημα. Η εργατικότητά της και η επικοινωνία της στην κυψέλη πάντοτε μάγευε και αποτελούσε βασικό ερευνητικό θέμα των επιστημόνων. Η παρούσα ανακοίνωση εστιάζει στους σημαίνοντες ήχους που παράγουν τα μέλη της κοινωνίας των μελισσών. Αρχικά παρουσιάζουμε τη διαχρονική σημασία της μέλισσας...

Background: Five key factors enabling a good surgical grossing technique include a flat uniformly perpendicular specimen cutting face, appropriate immobilisation of the tissue specimen during grossing, good visualisation of the cutting tissue face, sharp cutting knives and the grossing knife action. TruSlice and TruSlice Digital are new innovative...

A number of software applications for the practice of the singing voice have been introduced in the last decades, but all of them are limited to equal tempered scales. In this work, we present the design and development of FONASKEIN, a novel modular interactive software application for the practice of singing voice in real time and with visual feed...

A growing body of interdisciplinary research suggests that children's structured engagement in musical activities may have a positive impact on social inclusion by means of offering opportunities for social bonding, developing interpersonal relationships and empowering self-expression, health and well-being. In this paper we investigate the amelior...

Histological dissection of human tissue has relied on conventional procedures, which have largely remained unchanged for decades. Practices to determine measurement parameters employed in these procedures have largely relied on the use of rulers and weighing scales. It is well documented in the scientific literature that both fixation and processin...

This two-volume book contains the proceedings of the Joint Conference ICMC14|SMC|2014 (http://icmc14-smc14.net) the 40th International Computer Music Conference and the 11th Sound and Music Computing conference, held in Athens, Greece, from 14 to 19 September 2014 and organized by the National and Kapodistrian University of Athens (Music Department...

This two-volume book contains the proceedings of the Joint Conference ICMC14|SMC|2014 (http://icmc14-smc14.net) the 40th International Computer Music Conference and the 11th Sound and Music Computing conference, held in Athens, Greece, from 14 to 19 September 2014 and organized by the National and Kapodistrian University of Athens (Music Department...

The main scope of this research is to investigate children‟s singing voice pitch accuracy and quality at the Greek elementary school. This research has been led in two Greek elementary Greek schools, mainly with children aged form 6 to 9. For this research we have used common freeware software1 for visual feedback, in order to find out which was th...

The main scope of this research is to investigate children‟s singing voice pitch accuracy and quality at the Greek elementary school. This research has been led in two Greek elementary Greek schools, mainly with children aged form 6 to 9. For this research we have used common freeware software1 for visual feedback, in order to find out which was th...

This article investigates the concept of sound, in relation to the new means and sciences from different perspectives, ultimately providing an analysis of the newborn artistic movement of bioart. It is divided into two parts. The first part of the study is based upon reference, investigating the interconnection between art and science. This mechani...

In this paper we propose the design and implementation of a Turing Test (TT) for the research of the singing voice. Although the TT is mainly related to the research field of Artificial Intelligence (AI), being used both as a criterion and an operational guide by the scientists of this field, with the present paper we attempt to introduce a rather...

In this paper we present some technical aspects on the interactive masks created by the composer Georgia Spiropoulos for the needs of the opera Les Bacchantes (Ircam, 2010). Bacchae is an opera for a single performer, tape and live electronics where the voice of the performer interprets four different roles with the interactive environment in Max/M...

In this article we examine fractal curves and synthesis algorithms in musical composition and research. First we trace the evolution of different approaches for the use of fractals in music since the 80's by a literature review. Furthermore, we review representative fractal algorithms and platforms that implement them. Properties such as self-simil...

The Virtual Zournas, a digital Virtual Musical Instrument (VMI) developed under the project HERON, following a physical modeling approach, is presented, along with a classification scheme of real double-reed woodwind zournas and their characteristic acoustic analysis. Use-case scenarios of VMI zournas are also given regarding different user groups,...

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In the following essay we are going to analyse the relationship between sound and image in computer music. We will be examining sound visualisation software, and its evolution over the thirty-five year timespan in which it has existed. How we judge software, is based on aesthetic criteria, the way they were handed down to us from theories of abstra...

In this paper, we examine the possibility of generating Greek singing voice with the MBROLA synthesizer, by making use of an already existing diphone database. Our goal is to implement a score-to-singing synthesis system, where the score is written in a score editor and saved in the midi format. However, MBROLA accepts phonetic files as input rathe...

This paper we report on an interdisciplinary project for modeling Greek chant with real-time vocal synthesis. Building on previous research, we employ a hybrid musical instrument: Phonodeon (Georgaki et al. 2005), consisting of a MIDI-accordeon coupled to a real-time algorithmic interaction and vocal synthesis engine. The synthesis is based on data...

Greek electroacoustic music, born in the New Music environment of the sixties and developed among fruitful and critical periods, seems to be in expansion in our days. In this article we present a brief overview of the genesis and evolution of the electroacoustic music in Greece since 1967 until today, exposing three crucial periods. In the second s...

The scope of this article is to present the diachronic value of Xenakis' technological thought in computer music research and creation of our days within a comparative and critical approach. On the one hand, we will refer to the main domains of Xenakis' contributions to Music Technology: the conquest of the computer as a tool for logical transforma...

Sample abstract In this paper we will discuss current research on the synthesis of the singing voice, its technical problems and esthetic issues, and the perspective of creating a vocal synthesizer which could be accessible to composers, musicians and musicologists, as a creative tool for composing, performing, and interpreting forgotten voice tech...

The authors describe in detail the user interface specifications and system design of a software module that permits blind musicians to edit musical content in electronic form. First we take account of user requirements for this special-purpose software and, based on that, we provide a set of user interface specifications. Keyboard navigation and s...

Background in music This paper compounds an approach of music creation in ancient Greek tragedy in Greece, during the XXth century, focusing in the avant-guard composition techniques and especially in mixing instrumental, vocal and e/a (electroacoustic) means with a critical view on the works of Xenakis, Christou, Adamis and Vasiliadis concerning t...

This paper presents research on controlling synthetic voice via a MIDI accordion. As motivation for this research served the goal of reviving "lost instruments", that is of using existing traditional instruments "lost" to new music genres as interfaces to control new types of sound generation in novel and future genres of music. We worked with a MI...

BACKGROUND IN ANCIENT GREEK MUSIC THEORY AND PHILOSOPHY This paper proposes a novel approach to interpret and test Ancient Greek music theory starting from a media theoretical point of view [Ernst 2006, Kittler 2006/2007]. After much valuable work has been done to carefully collect, philologically ensure and cautiously construe the manifold relatio...

Recently there has been increasing interest of scientists for the performance of singing or reciting voices of the past in utilising analysis-synthesis methods. In the domain of Ancient Greek musicology indeed, where we find the roots of the occidental music, the main research has been done mostly by scholars of classical Greek literature. However,...

This paper is an analytical approach to Xenakis's 1 990 string quartet Tetora. The analysis reflects the second phase of the application of sieve theory. Xe nakis began developing his theory in 1963, when he was named artist in residence in West-Berlin. His s tudies, at that time, led him to the quest of an axiomatics of musical structures which ca...

The on-going research of the last thirty years on the synthesis of the singing voice highlights different aspects of this implicative field which involves the interdisciplinary area of musical acoustics, signal processing, linguistics, artificial intelligence, music perception and cognition, music information retrieval and performance systems. Rece...