buildroot/package/libsndfile/Config.in

config BR2_PACKAGE_LIBSNDFILE
	bool "libsndfile"
	help
	  Libsndfile is a C library for reading and writing files
	  containing sampled sound (such as MS Windows WAV and the
	  Apple/SGI AIFF format) through one standard library interface.

	  http://www.mega-nerd.com/libsndfile/