PRX File Documentation

Overview

Feature Value
File Extension .prx
Format Type XML
Primary Use Encoding Settings for Windows Media Files
MIME Type application/octet-stream
Developed By Microsoft
Editable Yes (with a text editor)
Encoding Standards Windows Media Encoder
Compatible With Windows Media Player, Windows Media Encoder
Contains Audio and Video Encoding Settings
File Structure XML Schema
Can Specify Bitrate, Frame Rate, Audio Channels, etc.
Profile Types Simple, Main, Full
Supports DRM Yes
Compression Lossy for video and audio
Typical Usage Streaming Media, Broadcasting
Audio Formats Supported WMA, MP3, etc.
Video Formats Supported WMV, VC-1, etc.
Maximum Supported Resolution 1080p for video
Maximum Supported Audio Channels 7.1 Surround Sound
Keyframe Interval Configurable
Metadata Embeddable