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Resumo(s)
In the last 20 years, we have seen the nourishing environment for the development of
music software using a corpus of audio data expanding significantly, namely that synthesis
techniques producing electronic sounds, and supportive tools for creative activities
are the driving forces to the growth. Some software produces a sequence of sounds by
means of synthesizing a chunk of source audio data retrieved from an audio database
according to a rule. Since the matching of sources is processed according to their descriptive
features extracted by FFT analysis, the quality of the result is significantly
influenced by the outcomes of the Audio Analysis, Segmentation, and Decomposition.
Also, the synthesis process often requires a considerable amount of sample data and
this can become an obstacle to establish easy, inexpensive, and user-friendly applications
on various kinds of devices. Therefore, it is crucial to consider how to treat the
data and construct an efficient database for the synthesis. We aim to apply corpusbased
synthesis techniques to develop a Computer Assisted Composition program, and
to investigate the actual application of the program on ensemble pieces. The goal of
this research is to apply the program to the instrumental music composition, refine its
function, and search new avenues for innovative compositional method.
Descrição
Palavras-chave
Computer assisted composition Concatenative sound synthesis Corpus-based synthesis Classification Decomposition Labeling Music information retrieval Segmentation Self-organizing map Spectral analysis