Mixture Hierarchical Model Instead of assuming that vt is normally distributed, assume that vt comes from a mixture of normal distributions Intuition: Suppose for “genre tags” clusters around 0.25 and for “acoustic tags” clusters around 0.05 then if = 0.20, then vt might have two peaks at 0.05 and -0.15. 10,870 songs 2 tag vocabularies 71 genre and subgenre tags (e.g., “rock”, “delta blues”, “t...

Playing the piano requires one to precisely position one’s hand in order to strike particular combinations of keys at specific moments in time. This paper presents the first system for automatically generating three dimensional animations of piano performance, given an input midi music file. A graph theory-based motion planning method is used to decide which set of fingers should strike the pia...

Abstract In this study, changes in water quality characteristics were compared before and after the construction of eight multifunctional weirs Nakdong River Basin South Korea. A cluster analysis spatial variation showed that locations classified as Cluster 1 pre-construction (sites ND7 ND8) shifted into 2 post-construction, indicating types changed weirs. Principal component factor analyses re...

We show that the class of level-k control languages, as defined by Weir, is properly included in the class of 2 k−1-multiple context-free languages for each k ≥ 2. The proof of inclusion uses a representation of the set of derivation trees for a level-k control language in terms of a second-order abstract categorial grammar. 1.1 Introduction Weir (1992a) introduced a hierarchy of language class...

Thin-plate weirs are commonly used as measuring devices in flumes and channels, enabling an accurate discharge measurement with simple instruments. The calibration formulae of such devices rely upon some empirical coefficients and there is a need to obtain new accurate physical data to complement the existing evidence. In the present study, the discharge calibration of a large 901 V-notch thin ...

The present work is about the synthesis of piano sound based on the grounds of physical principles. For that, rst the acoustical properties of the piano have to be understood, since the underlying physical phenomena establish the framework for the model-based sound synthesis. Therefore, the di erent parts of the piano were measured and analyzed. The groundwork of the piano model lies in the dig...

We describe a new algorithm to transcribe musical note complexes from polyphonic piano music. Our method is a spectrogram based algorithm, which uses a robust peak detection scheme and forms note complexes by multiple sample conditional probability in the context of a time-frequency based finite state space approach, where note onsets are determined implicitly by changes in subharmonics. This p...

This paper provides an overview on the advances of music information retrieval in symbolic representation of music. Such musical aspects as key, tonality, bass, melody, dynamics, rhythm and patterns are considered as foundation for visualizing systems for the piano stream in classical music. The paper then describes the proposed visualizing system and Malinowski’s music animation machine. It la...