diff --git a/speechx/CMakeLists.txt b/speechx/CMakeLists.txt
index ffd4c559..494b08d0 100644
--- a/speechx/CMakeLists.txt
+++ b/speechx/CMakeLists.txt
@@ -53,8 +53,8 @@ include(gtest)
 # ABSEIL-CPP
 include(absl)
 
-# libsndfile, not work
-#include(libsndfile)
+# libsndfile
+include(libsndfile)
 
 # boost
 set(boost_SOURCE_DIR ${fc_patch}/boost-src)
diff --git a/speechx/cmake/external/libsndfile.cmake b/speechx/cmake/external/libsndfile.cmake
index 5b30bffe..fc5e0a8a 100644
--- a/speechx/cmake/external/libsndfile.cmake
+++ b/speechx/cmake/external/libsndfile.cmake
@@ -1,26 +1,56 @@
 include(FetchContent)
 
+# https://github.com/pongasoft/vst-sam-spl-64/blob/master/libsndfile.cmake
+# https://github.com/popojan/goban/blob/master/CMakeLists.txt#L38
+# https://github.com/ddiakopoulos/libnyquist/blob/master/CMakeLists.txt
+
+if(LIBSNDFILE_ROOT_DIR)
+  # instructs FetchContent to not download or update but use the location instead
+  set(FETCHCONTENT_SOURCE_DIR_LIBSNDFILE ${LIBSNDFILE_ROOT_DIR})
+else()
+  set(FETCHCONTENT_SOURCE_DIR_LIBSNDFILE "")
+endif()
 
 set(LIBSNDFILE_GIT_REPO "https://github.com/erikd/libsndfile" CACHE STRING "libsndfile git repository url" FORCE)
-set(LIBSNDFILE_GIT_TAG 1.0.31 CACHE STRING "libsndfile git tag" FORCE)
+set(LIBSNDFILE_GIT_TAG c11deaa04ec84161996824061f6d705970972e2e CACHE STRING "libsndfile git tag" FORCE)
 
 FetchContent_Declare(libsndfile
       GIT_REPOSITORY    ${LIBSNDFILE_GIT_REPO}
       GIT_TAG           ${LIBSNDFILE_GIT_TAG}
-      CMAKE_ARGS        "-G"Unix Makefiles""
+      GIT_CONFIG        advice.detachedHead=false
+#      GIT_SHALLOW       true
+      CONFIGURE_COMMAND ""
       BUILD_COMMAND     ""
       INSTALL_COMMAND   ""
       TEST_COMMAND      ""
       )
 
-
-set(BUILD_SHARED_LIBS ON)
-FetchContent_MakeAvailable(libsndfile)
-
+FetchContent_GetProperties(libsndfile)
+if(NOT libsndfile_POPULATED)
+  if(FETCHCONTENT_SOURCE_DIR_LIBSNDFILE)
+    message(STATUS "Using libsndfile from local ${FETCHCONTENT_SOURCE_DIR_LIBSNDFILE}")
+  else()
+    message(STATUS "Fetching libsndfile ${LIBSNDFILE_GIT_REPO}/tree/${LIBSNDFILE_GIT_TAG}")
+  endif()
+  FetchContent_Populate(libsndfile)
+endif()
 
 set(LIBSNDFILE_ROOT_DIR ${libsndfile_SOURCE_DIR})
 set(LIBSNDFILE_INCLUDE_DIR "${libsndfile_BINARY_DIR}/src")
 
-#file(COPY "${libsndfile_SOURCE_DIR}/src/sndfile.hh" DESTINATION ${LIBSNDFILE_INCLUDE_DIR})
+function(libsndfile_build)
+  option(BUILD_PROGRAMS "Build programs" OFF)
+  option(BUILD_EXAMPLES "Build examples" OFF)
+  option(BUILD_TESTING "Build examples" OFF)
+  option(ENABLE_CPACK "Enable CPack support" OFF)
+  option(ENABLE_PACKAGE_CONFIG "Generate and install package config file" OFF)
+  option(BUILD_REGTEST "Build regtest" OFF)
+  # finally we include libsndfile itself
+  add_subdirectory(${libsndfile_SOURCE_DIR} ${libsndfile_BINARY_DIR} EXCLUDE_FROM_ALL)
+  # copying .hh for c++ support
+  file(COPY "${libsndfile_SOURCE_DIR}/src/sndfile.hh" DESTINATION ${LIBSNDFILE_INCLUDE_DIR})
+endfunction()
+
+libsndfile_build()
 
 include_directories(${LIBSNDFILE_INCLUDE_DIR})
\ No newline at end of file