Mercurial > hg > cip2012
comparison draft.tex @ 63:2994e5e485e7
audio Tidy #1
author | peterf |
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date | Sat, 17 Mar 2012 00:04:51 +0000 |
parents | 2cd533f149b7 |
children | 9d7e5f690f28 |
comparison
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62:2cd533f149b7 | 63:2994e5e485e7 |
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747 informative of notes at different periodicities (\ie hypothetical | 747 informative of notes at different periodicities (\ie hypothetical |
748 bar lengths) and phases (\ie positions within a bar). | 748 bar lengths) and phases (\ie positions within a bar). |
749 } | 749 } |
750 \end{fig} | 750 \end{fig} |
751 | 751 |
752 \subsection{Content analysis/Sound Categorisation} | 752 \subsection{Audio based content analysis} |
753 Using analogous definitions of differential entropy, the methods outlined | 753 Using analogous definitions of differential entropy, the methods outlined |
754 in the previous section are equally applicable to continuous random variables. | 754 in the previous section are equally applicable to continuous random variables. |
755 In the case of music, where expressive properties such as dynamics, tempo, | 755 In the case of music, where expressive properties such as dynamics, tempo, |
756 timing and timbre are readily quantified on a continuous scale, the information | 756 timing and timbre are readily quantified on a continuous scale, the information |
757 dynamic framework thus may also be considered. | 757 dynamic framework may also be considered. |
758 | 758 |
759 In \cite{Dubnov2006}, Dubnov considers the class of stationary Gaussian | 759 In \cite{Dubnov2006}, Dubnov considers the class of stationary Gaussian |
760 processes. For such processes, the entropy rate may be obtained analytically | 760 processes. For such processes, the entropy rate may be obtained analytically |
761 from the power spectral density of the signal, allowing the multi-information | 761 from the power spectral density of the signal, allowing the multi-information |
762 rate to be subsequently obtained. | 762 rate to be subsequently obtained. One aspect demanding further investigation |
763 % Local stationarity is assumed, which may be achieved by windowing or | 763 involves the comparison of alternative measures of predictability. In the case of the PIR, a Gaussian linear formulation is applicable, indicating that the PIR is a function of the correlation between random innovations supplied to the stochastic process CITE. |
764 % change point detection \cite{Dubnov2008}. | 764 % !!! FIXME |
765 %TODO | |
766 mention non-gaussian processes extension Similarly, the predictive information | |
767 rate may be computed using a Gaussian linear formulation CITE. In this view, | |
768 the PIR is a function of the correlation between random innovations supplied | |
769 to the stochastic process. %Dubnov, MacAdams, Reynolds (2006) %Bailes and | |
770 Dean (2009) | |
771 | |
772 % !!! FIXME | |
773 [ Continuous domain information ] | |
774 [Audio based music expectation modelling] | |
775 [ Gaussian processes] | |
776 | 765 |
777 | 766 |
778 \subsection{Beat Tracking} | 767 \subsection{Beat Tracking} |
779 | 768 |
780 A probabilistic method for drum tracking was presented by Robertson | 769 A probabilistic method for drum tracking was presented by Robertson |