Driver
Creative Sound Blaster X-Fi Titanium HD Driver 3.00.1004 
Filesize : 47.98 MB  
Release date : 10 Feb 11
File Name : SBRL_PCDRV_LB_3_00_1004.exe
This download is a driver providing Microsoft® Windows® 7 and Windows Vista® support for Creative Sound Blaster® X-Fi™ Titanium HD. For more details, read the rest of this web release note.

Fixes:
Resolves the following issues:

Aux-In is incorrectly displayed as Mic-In when using the Creative ASIO driver. 
Microphone input is missing. when using the Creative ASIO driver.
System takes a long time or is unable to shutdown properly while Dolby Digital® Live or DTS® Connect is enabled. 
Requirements:

Microsoft Windows 7 64-bit, Windows 7 32-bit, Windows Vista 64-bit with Service Pack 2 (SP2), Windows Vista 32-bit with SP2
Sound Blaster X-Fi Titanium HD
Notes:

To install this driver
Download the SBRL_PCDRV_LB_3_00_1004.exe file onto your local hard disk.
Double-click the downloaded file.
Follow the instructions on the screen.