--- a/doc/interpreter/install.txi	Thu Mar 23 09:11:35 2017 +0100
+++ b/doc/interpreter/install.txi	Mon Mar 27 23:57:06 2017 +0200
@@ -287,6 +287,13 @@
 rendered directly instead of sending data and commands to gnuplot for
 interpretation and rendering.
 
+@item PortAudio
+PortAudio (@url{http://www.portaudio.com/}) provides a very simple API
+for recording and/or playing sound using a simple callback function or
+a blocking read/write interface.  It is required for the audio processing
+functions @code{audioplayer}, @code{audiorecorder}, and
+@code{audiodevinfo}.
+
 @item Qhull
 Computational geometry library (@url{http://www.qhull.org}).  Qhull is
 required to provide the functions @code{convhull}, @code{convhulln},
@@ -315,6 +322,12 @@
 SuiteSparse is required to provide sparse matrix factorizations and
 solution of linear equations for sparse systems.
 
+@item SUNDIALS
+The SUite of Nonlinear and DIfferential/ALgebraic Equation Solvers
+(@url{http://computation.llnl.gov/projects/sundials}) is required for
+the Ordinary Differential Equations (ODE) solvers @code{ode15i} and
+@code{ode15s}.
+
 @item zlib
 Data compression library (@url{http://zlib.net}).  The zlib library is
 required for Octave's @code{load} and @code{save} commands to handle