Waveshaping module working with a filter.

**image 4-Parametres_WaveShaper.png**

Sliders under the graph:
\begin{itemize}
\item Filter Freq: Center frequency of the filter
\item Filter Q: Q factor of the filter
\end{itemize}

Dropdown menus and toggles:
\begin{itemize}
\item Filter Type: Type of filter (lowpass, highpass, bandpass or bandstop).
\item # of Polyphony: Number of voices played simultaneously (polyphony); only available at initialization time.
\item Polyphony Spread: Pitch variation between polyphony voices (chorus); only available at initialization time.
\end{itemize}

Graph only parameters:
\begin{itemize}
\item Transfer Function: Table used for waveshaping
\item Overall Amplitude: The amplitude curve applied on the total duration of the performance.
\end{itemize}