Adds Dolby Surround 5.1 (II) audio decoding and playback support to older versions of Windows Media Player (typically WMP 9–12 on Windows XP, Vista, and 7).
1.4.2.0
ZIP archive containing a plugin for Windows Media Player Adds Dolby Surround 5
Here’s a concise write‑up for the file : File Name: Windows Media Player Dolby Surround 5.1 II Plugin 1.4.2.0.zip Adds Dolby Surround 5