hsndfile (hackage): Haskell bindings for libsndfile, a comprehensive C library for reading and writing a large number of soundfile formats by Erik de Castro Lopo (http://www.mega-nerd.com/libsndfile/).  For more information on hsndfile visit its homepage at http://haskell.org/haskellwiki/Hsndfile.
Keywords: data|lgpl|library|sound