Computational Thinking: The Essential Skill for being Successful in Knowledge Science Research

The VUCA world concept was established in 2016 as the new challenge universe in the 21st century. Humans live in Society 5.0 and the VUCA world simultaneously. The digital word has been a noisy word since then. There are a lot of requisite skills to be a survival kit for this kind of era. The VUCA world's affection is spreading in the way of thinking and creating innovation, especially in the research domain. As a newcomer, Knowledge Science should state the requisite skills for its researchers to conduct their research successfully. Many researchers offered computational thinking as a candidate for an essential skill to satisfy the effect of the VUCA world. This study was focused on conducting a descriptive analysis method based on several literature reviews for mapping how computational thinking can serve as a best practice for Knowledge Science research. This study successfully revealed the connection between Computational Thinking

Advances in Similarity-Based Audio Compression

Existing lossy audio compression techniques such as MP3, WMA and Ogg Vorbis, for example, demonstrate great success in providing compression ratios which successfully reduce the data size from the original sampled audio. These techniques employ psychoacoustic models and traditional statistical coding techniques to achieve data reduction. However, these methods do not take into account the perceived content of the audio, which is often particularly relevant in musical audio. In this paper, we present our research and development work completed to date, in producing a system for audio analysis, which will consider and exploit the repetitive nature of audio and the similarities which frequently occur in audio recordings. We demonstrate the feasibility and scope of the analysis system and consider the techniques and challenges that are employed to achieve data reduction

An review of automatic drum transcription

In Western popular music, drums and percussion are an important means to emphasize and shape the rhythm, often defining the musical style. If computers were able to analyze the drum part in recorded music, it would enable a variety of rhythm-related music processing tasks. Especially the detection and classification of drum sound events by computational methods is considered to be an important and challenging research problem in the broader field of Music Information Retrieval. Over the last two decades, several authors have attempted to tackle this problem under the umbrella term Automatic Drum Transcription(ADT).This paper presents a comprehensive review of ADT research, including a thorough discussion of the task-specific challenges, categorization of existing techniques, and evaluation of several state-of-the-art systems. To provide more insights on the practice of ADT systems, we focus on two families of ADT techniques, namely methods based on Nonnegative Matrix Factorization and Recurrent Neural Networks. We explain the methods’ technical details and drum-specific variations and evaluate these approaches on publicly available datasets with a consistent experimental setup. Finally, the open issues and under-explored areas in ADT research are identified and discussed, providing future directions in this fiel

Data-driven, memory-based computational models of human segmentation of musical melody

When listening to a piece of music, listeners often identify distinct sections or segments within the piece. Music segmentation is recognised as an important process in the abstraction of musical contents and researchers have attempted to explain how listeners perceive and identify the boundaries of these segments.The present study seeks the development of a system that is capable of performing melodic segmentation in an unsupervised way, by learning from non-annotated musical data. Probabilistic learning methods have been widely used to acquire regularities in large sets of data, with many successful applications in language and speech processing. Some of these applications have found their counterparts in music research and have been used for music prediction and generation, music retrieval or music analysis, but seldom to model perceptual and cognitive aspects of music listening.We present some preliminary experiments on melodic segmentation, which highlight the importance of memory and the role of learning in music listening. These experiments have motivated the development of a computational model for melodic segmentation based on a probabilistic learning paradigm.The model uses a Mixed-memory Markov Model to estimate sequence probabilities from pitch and time-based parametric descriptions of melodic data. We follow the assumption that listeners' perception of feature salience in melodies is strongly related to expectation. Moreover, we conjecture that outstanding entropy variations of certain melodic features coincide with segmentation boundaries as indicated by listeners.Model segmentation predictions are compared with results of a listening study on melodic segmentation carried out with real listeners. Overall results show that changes in prediction entropy along the pieces exhibit significant correspondence with the listeners' segmentation boundaries.Although the model relies only on information theoretic principles to make predictions on the location of segmentation boundaries, it was found that most predicted segments can be matched with boundaries of groupings usually attributed to Gestalt rules.These results question previous research supporting a separation between learningbased and innate bottom-up processes of melodic grouping, and suggesting that some of these latter processes can emerge from acquired regularities in melodic data

Computational Analysis of Greek folk music of the Aegean islands

Αν και έχουν αναπτυχθεί νεότερα και πιο ανεπτυγμένα μοντέλα υπολογιστικής μουσικής ανάλυσης με στόχο την αύξηση διαθέσιμης πληροφορίας στον κλάδο της μουσικολογίας, υπάρχει πολύ λίγη έρευνα στην υπολογιστική ανάλυση δημοτικής μουσικής γενικότερα και ελληνικής δημοτικής μουσικής ειδικότερα. Στόχος της παρούσας εργασίας είναι η διερεύνηση ποικίλων τύπων μουσικών χαρακτηριστικών και προτύπων στη δημοτική μουσική των νησιών του Αιγαίου και η παροχή χρήσιμης πληροφορίας σχετικά με τη δομή και το περιεχόμενο του εν λόγω είδους. Επιπρόσθετα, με στόχο τη σύγκριση μουσικών αποσπασμάτων χορών Συρτού και Μπάλου, αλλά και γεωγραφικών περιοχών από τις οποίες προέρχονται, 73 αποσπάσματα συγκεντρώθηκαν συνολικά σε μια βάση δεδομένων και αναλύθηκαν. Η εξαγωγή χαρακτηριστικών και η ανάλυση προτύπων ανέδειξαν μελωδικές και ρυθμικές διαφορές τόσο ανάμεσα στα δύο είδη χορών όσο και στις διάφορες νησιωτικές περιοχές, ενώ υπήρξαν επίσης ποικίλες ομοιότητες σε όλο το σύνολο των δεδομένων.While newer, advanced computational music analysis models have been developed with the intentions of increasing available information in this field, very little research exists on the computational analysis of folk music in general and Greek folk music in specific. The aim of this study was to examine various types of musical features and patterns in the folk music of the Aegean islands and provide useful information about the structure and the content of this music style. In addition, to compare the tunes of Syrtos and Mpalos dances, but also the various island regions from which they originate, a total of 73 tunes were included in the constructed dataset and the analyses. Feature extraction and pattern analysis revealed that there are indeed melodic and temporal differences both between the two dance types and between the island regions, while there were also various important similarities throughout the whole dataset

Bridging the gap between emotion and joint action

Our daily human life is filled with a myriad of joint action moments, be it children playing, adults working together (i.e., team sports), or strangers navigating through a crowd. Joint action brings individuals (and embodiment of their emotions) together, in space and in time. Yet little is known about how individual emotions propagate through embodied presence in a group, and how joint action changes individual emotion. In fact, the multi-agent component is largely missing from neuroscience-based approaches to emotion, and reversely joint action research has not found a way yet to include emotion as one of the key parameters to model socio-motor interaction. In this review, we first identify the gap and then stockpile evidence showing strong entanglement between emotion and acting together from various branches of sciences. We propose an integrative approach to bridge the gap, highlight five research avenues to do so in behavioral neuroscience and digital sciences, and address some of the key challenges in the area faced by modern societies