Want to make the video with your own background speech? Feel annoyed for the unsynchronized audio file with the video? Hope to add more audio tracks for your current video to animate your video? Aiseesoft Video Converter Ultimate makes its great update to fully support external audio track and multi-audio track to meet your demands fully.

Another new feature of Video Converter Ultimate enables you to add external subtitles for your movie. No matter what problems with your original subtitle, like non-synchronized subtitle, no subtitle, etc.

Now smartphones and tablets have replaced cameras to a large extent. Sometimes we may get some video filmed sideways and want to correct it to the right angle. The video rotating function allows you to make tweaks to the videos easily. It can rotate the video clockwise or counterclockwise or flip the video files horizontally or vertically, solving the angle problem in one simple click.
Overview of Aiseesoft Video Converter Ultimate 10 Features

Convert DVD and video to GIF/video/audio.
Convert video (4K/3D included) audio over 1000 formats.
Convert MP3, FLAC, AAC, AIFF, WMA, etc.
Provide powerful video editing features.
Add external subtitle to your favorite movie.
Add external audio track and multi-audio tracks.
Rotate and flip the video file freely.
Enhance video quality, brightness and remove video noise.

Technical Details and System Requirements

Supported OS: Windows 10, Windows 8.1, Windows 7
RAM (Memory): 2 GB RAM (4 GB recommended)
Free Hard Disk Space: 200 MB or more