From Aiseesoft Studio:
Aiseesoft WTV Converter is able to help you convert any WTV files to any popular video formats, including MP4, AVI, MOV, 3GP, VOB, AMV, MPEG-4, H.264, DivX, XviD, H.264/MPEG-4 AVC, to compatible with popular portable devices, such as iPhone 5s/iPhone 5c, iPad mini, iPod, Samsung Galaxy S4, Samsung Note II, HTC One X, Kindle Fire HD. It also enables you to convert DVR-MS video files which is used in older versions of Windows for recording TV shows to M4V, MKV, MOV, 3GP, MP4 video format.
Aiseesoft WTV Converter allows users to adjust the the effect of your WTV, DVR-MS or WMV video files before converting them to other video files. With these editing functions, you can cut any length of video segment, crop video playing area and adjust the aspect ratio of video files. Moreover, you can get the most excellent videos for your enjoyment by using "Merge". Watermark your video in the form of a text or image is also available for you. And you can set its position and transparency.
You can easily define your video settings: Video Encoder, Frame Rate, Video Bitrate, Resolution, and audio settings including Audio Encoder, Sample Rate, Channels, Audio Bitrate. After customizing the video/audio settings, you can save that in the option list of "User-Defined".
Besides, it also provides you with many other attractive characters. Such as you are allowed to preview the input and output video effects to get a whole picture of the output video. During the process of previewing, you can also capture your favorite pictures and save them. What's more, you can select the audio track and subtitle for the output video files.