diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..0e0f559f1fc557091225adb0679eee564e0fddcc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+thirdparty
diff --git a/README.md b/README.md
index 3010c0e536da732f1c4f042c82badaae21179f87..22d0c5386c54c23966cfc9355d1d67756a37b594 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,6 @@ Please replace `$PADDLE_INSTALL_DIR` with your own paddle installation directory
 sh setup.sh
 export LD_LIBRARY_PATH=$PADDLE_INSTALL_DIR/Paddle/third_party/install/warpctc/lib:$LD_LIBRARY_PATH
 ```
-
-For some machines, we also need to install libsndfile1. Details to be added.
-
 ## Usage
 
 ### Preparing Data
diff --git a/requirements.txt b/requirements.txt
index 721fa2811081e530a9cec3b2e403ad2372b59269..3f73ea8b8085324b3691c6af44915f0d09888221 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 wget==3.2
 scipy==0.13.1
 resampy==0.1.5
-https://github.com/kpu/kenlm/archive/master.zip
+SoundFile==0.9.0.post1
 python_speech_features
+https://github.com/kpu/kenlm/archive/master.zip
diff --git a/setup.sh b/setup.sh
index 8cba91ecdb68b42125181331471f9ee323062a24..854f879e9e4ce11e3f66a5e63d53b117cf7067b0 100644
--- a/setup.sh
+++ b/setup.sh
@@ -9,7 +9,9 @@ if [ $? != 0 ]; then
     exit 1
 fi
 
-# install package Soundfile
+# install package libsndfile
+DIR="$( cd "$(dirname "$0")" ; pwd -P )"
+mkdir thirdparty
 curl -O "http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.28.tar.gz"
 if [ $? != 0 ]; then
     echo "Download libsndfile-1.0.28.tar.gz failed !!!"
@@ -17,15 +19,10 @@ if [ $? != 0 ]; then
 fi
 tar -zxvf libsndfile-1.0.28.tar.gz
 cd libsndfile-1.0.28
-./configure && make && make install
-cd -
+./configure --prefix=$DIR/thirdparty/libsndfile && make && make install
+cd ..
 rm -rf libsndfile-1.0.28
 rm libsndfile-1.0.28.tar.gz
-pip install SoundFile==0.9.0.post1
-if [ $? != 0 ]; then
-    echo "Install SoundFile failed !!!"
-    exit 1
-fi
 
 # prepare ./checkpoints
 mkdir checkpoints