l10n: Simplified Chinese update

Signed-off-by: Christoph Miebach <christoph.miebach@web.de>

po/zh_CN.po

 # Simplified Chinese translation
-# Copyright (C) 2014 VideoLAN
+# Copyright (C) 2015 VideoLAN
 # This file is distributed under the same license as the VLC package.
 #
 # Translators:
 # Dean Lee <xslidian@gmail.com>, 2012-2014
 # Wei Mingzhi <whistler@openoffice.org>, 2009
 # Yoyo <admin@wisestudio.org>, 2008
+# zhangmin <zm1990s@gmail.com>, 2014
 msgid ""
 msgstr ""
 "Project-Id-Version: VLC - Trans\n"
 "Report-Msgid-Bugs-To: vlc-devel@videolan.org\n"
 "POT-Creation-Date: 2014-11-21 16:54+0100\n"
-"PO-Revision-Date: 2014-11-24 14:53+0000\n"
-"Last-Translator: Dean Lee <xslidian@gmail.com>\n"
+"PO-Revision-Date: 2014-12-12 09:52+0000\n"
+"Last-Translator: zhangmin <zm1990s@gmail.com>\n"
 "Language-Team: Chinese (China) (http://www.transifex.com/projects/p/vlc-"
 "trans/language/zh_CN/)\n"
 "Language: zh_CN\n"
@@ -541,7 +542,7 @@ msgstr "搜索"
 #: include/vlc_intf_strings.h:99 modules/gui/macosx/VideoEffects.m:157
 #: modules/gui/qt4/ui/video_effects.h:1479
 msgid "Waves"
-msgstr "波浪"
+msgstr "波形"
 
 #: include/vlc_intf_strings.h:100
 msgid ""
@@ -610,7 +611,7 @@ msgstr "关闭"
 
 #: src/audio_output/output.c:232 modules/visualization/visual/visual.c:142
 msgid "Spectrometer"
-msgstr "分频器"
+msgstr "频谱仪"
 
 #: src/audio_output/output.c:235
 msgid "Scope"
@@ -1825,7 +1826,7 @@ msgstr "峰值保护"
 
 #: src/libvlc-module.c:216
 msgid "Protect against sound clipping"
-msgstr "保护音频剪辑"
+msgstr "防止爆音"
 
 #: src/libvlc-module.c:219
 msgid "Enable time stretching audio"
@@ -3796,11 +3797,11 @@ msgstr "选择将播放速率设为正常值的热键。"
 
 #: src/libvlc-module.c:1205 modules/gui/qt4/menus.cpp:875
 msgid "Faster (fine)"
-msgstr "较快 (好)"
+msgstr "较快 (微调)"
 
 #: src/libvlc-module.c:1207 modules/gui/qt4/menus.cpp:883
 msgid "Slower (fine)"
-msgstr "较慢 (好)"
+msgstr "较慢 (微调)"
 
 #: src/libvlc-module.c:1209 modules/control/hotkeys.c:208
 #: modules/gui/macosx/about.m:268 modules/gui/macosx/ControlsBar.m:771