Tong123

检查OpenAL已安装
Check OpenAL has been installed

This My Startup Log:

[22:13:02] [Client thread/INFO]: Setting user: Tong
[22:13:02] [Client thread/INFO]: (Session ID is token:{auth_access_token}:d3f27ed7-2329-4d4e-9cb6-c4361bfced1a)
[22:13:08] [Client thread/INFO]: LWJGL Version: 2.9.4
[22:13:11] [Client thread/INFO]: Reloading ResourceManager: Default, PureBDcraft  16x MC19.zip
[22:13:13] [Client thread/WARN]: Missing sound for event: minecraft:entity.snowman.ambient
[22:13:13] [Sound Library Loader/INFO]: Starting up SoundSystem...
[22:13:14] [Thread-4/INFO]: Initializing LWJGL OpenAL
[22:13:14] [Thread-4/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[22:13:14] [Thread-4/INFO]: OpenAL initialized.
[22:13:14] [Sound Library Loader/INFO]: Sound engine started
[22:13:23] [Client thread/INFO]: Created: 1024x512 textures-atlas
[22:18:10] [Client thread/INFO]: Stopping!
[22:18:10] [Client thread/INFO]: SoundSystem shutting down...
[22:18:10] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com

Fixed In 0.12.3

Please Re-Download Jar
请重新下载Jar文件

升级显示卡驱动

WithOut Crash Reports

Do Not Use Minecaft Forge Start Game

Well I've got more missing sound that happen on 15w50a:
[11:35:42] [Client thread/WARN]: Missing sound for event: minecraft:entity.snowman.ambient
[11:35:42] [Client thread/WARN]: Missing sound for event: minecraft:item.bottle.fill_dragonbreath

Please Install Java Last Version

请安装Java新版
Please Install Java Last Versions