\item[Windows size:] parameter can be set to \textit{Default}, $1024$, $2048$, \dots \textit{doubled values\dots} up to $262144$.
\item[Amplitude:] the cepstrum value at the drag point during manual envelope selection.
\item[Gain:] echo gain setting determined by manual selection.
\item[Windows size:] parameter can be set to \textit{Default}, $1024$, $2048$, \dots \textit{doubled values\dots} up to $262144$.
\item[Amplitude:] the cepstrum value at the drag point during manual envelope selection.
\item[Gain:] echo gain setting determined by manual selection.