This branch, contains functions to read, simulate and output wav audio files.

The origin of the code stems from
http://gareus.org/oss/spicesound/start
http://gareus.org/oss/spicesound/examples
and has been made by Robin Gareus, enhanced by Hannu Vuolasaho at
https://sourceforge.net/p/ngspice/patches/13/,
compatibility and integration into ngspice-46 by Holger Vogt.

It uses the external libraries libsndfile and libsamplerate.

The current setup (ngspice.exe) has been tested with MSVC 2022 and CYGWIN on Windows 11.
A setup for KiCad (MS Windows) is available.

64 bit libsndfile has been downloaded from https://github.com/libsndfile/libsndfile/releases/

64 bit libsamplerate has been downloaded from https://github.com/libsndfile/libsamplerate/releases

The usage is described in
http://gareus.org/oss/spicesound/start

Example files are available at \examples\wave

Tests on Linux and macOS will follow.


