Web interface

A web interface so it supports even devices without DLNA support Yes No Partial1 Yes Yes

Automatic bitrate adjustment

Automatically changes video bitrate based on your network speed Yes No Yes No ?

Automatic maximum quality

100% video and audio quality is maintained when possible by muxing - not transcoding - compatible files. Yes No Yes Yes ?

Instant browsing

View your files without having to wait for the folders to be scanned, which can take minutes or hours with large libraries. Yes Yes No No No

Subtitles on all devices

When your device does not support the subtitle format in the video, we add it to the video stream to allow you to view them anyway. Yes Yes Yes No No

DTS support

Pass along full quality DTS instead of downmixing it to another format. Yes Yes Yes No No

Live subtitles from OpenSubtitles

If you don't have the subtitles for your file, UMS will download and add them for you via options on your device. Yes No No No No

H.264 transcoding

H.264 transcoding achieves the same quality as the traditional codec MPEG-2 with much lower filesize, making it a good option for wireless networks. Yes No Yes Yes Yes

Free

UMS is and will always be free. Yes Yes Partial2 No Partial2

True Motion (frame interpolation)



This is done using This takes regular framerates, usually 24fps or 25fps, and adds frames in between to make the motion smoother and more realistic.This is done using InterFrame , which is an AviSynth plugin that uses SVP libraries. Yes No No No No

Overscan compensation

If your TV has overscan - which means it cuts off the edges of videos - we can compensate so you see the whole video.

Many people watch with overscan and never realize what they are missing. Yes Partial 3 No No No

Automatic plugin download/install

Download and install plugins automatically. Yes No No No Yes

Unlimited folders on PS3 & Xbox

PS3 and Xbox 360 can only display a limited number of folders, but we work around that. Yes No No No Yes

AviSynth support

AviSynth is a powerful and flexible video and audio serving program. Yes Partial4 No No No

iTunes support

Browse your iTunes library by playlist, artist, album and genre. Yes Yes ? ? Yes

Renderer search support

We support renderers with search capability. Yes No ? ? ?

Maximum network bandwidth setting

This allows you to set the speed of your network to ensure smooth playing. Yes Partial5 No No No

DVD support

We support playing DVDs whether they are in your DVD drive or on your hard drive. Yes Yes No Yes No

Archive support

Support for browsing archives like ZIP, RAR, GZ, etc. Yes Partial No ? ?

3D SBS video support

Most if not all renderers do not support receiving full 3D SBS video over a network, but we work around that. Yes Partial No ? Yes