finally , i solved the problem .
the steps details as followed .
1. apt-get remove --purge alsa-*
2 apt -get remove --purge pulseaudio
3 . Downloads the following package
http://www.alsa-project.org/main/index.php/Download
alsa-firmware
alsa-lib
alsa-plugins
pyalsa
alsa-utils
and extract each of them .
./configure
make
make install
for pyalsa
./setup.py build
./setup.py install
after finished each of them .
apt-get install pulseaudio
reboot
start pulseaudio
and unmute master
finally , the voice is coming .
i hope can help someone to solve this problem .