[BoW] r6 - in trunk: audio_coding/audio_coding.tex basic_glossary.tex introduction/introduction.tex

Robert Swain robert.swain at gmail.com
Sun Sep 28 14:36:15 CEST 2008


2008/9/28 kostya <subversion at mplayerhq.hu>:
> Author: kostya
> Date: Sun Sep 28 14:21:07 2008
> New Revision: 6
>
> Log:
> Fill BoW with some info.
>
> I hope that after some formatting it can serve as an example
> for future entries.
>
>
> Added:
>   trunk/basic_glossary.tex
> Modified:
>   trunk/audio_coding/audio_coding.tex
>   trunk/introduction/introduction.tex
>
> Modified: trunk/audio_coding/audio_coding.tex
> ==============================================================================
> --- trunk/audio_coding/audio_coding.tex (original)
> +++ trunk/audio_coding/audio_coding.tex Sun Sep 28 14:21:07 2008
> @@ -1 +1,98 @@
>  \part{Audio Coding}
> +
> +\section{Psychouacoustics}
> +
> +\section{Quality Metrics}
> +
> +\section{Predictive Coding}
> +
> +Prediction is wide-employed method for effective data compression. One can think about prediction as a FIR filter $y_n = x_n - f(x_{n-1}, x_{n-2}, \ddots)$ where $x_n$ is $n$-th input sample and $y_n$ is $n$-th output sample and $f(x)$ is a prediction function. Depending on prediction function type there is  linear prediction (i.e. $y_n = x_n - \sum _{i=0} ^N a_i x_{n-i-1}$) and nonlinear prediction. Prediction is called fixed when prediction function does not employ any internal state and adaptive prediction when
> +output depends on some internal state (e.g. linear prediction coefficients are adjusted depending on previous outputs).

>From the 'Coding Guidline' (I'll correct that shortly unless it has
been already):

* Every sentence should start on a new line

I don't know if you're violating any of the indentation rules either,
so maybe you should have a quick look at the README.authors file
before you do too much and then have to change it all. :)

Rob



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