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/