Video Synchronization

When you load a movie with TwistedWave Online, the video will appear just above the waveform. Place the cursor in the audio file, and the corresponding video frame will appear. Play back the audio, and the video will play along with the audio.

Open a video with TwistedWave, and the video will play automatically when you play the audio, allowing you to see how your audio works with the image.

Edit the audio track from a movie

TwistedWave will not only load movie files, but you can also save them back with the edited audio track!

  • Edit out unwanted sounds,
  • Remove background noise,
  • Add sound effects...
When you save the edited file, the edited sound track will be saved with the original video. The images won't be re-encoded, and the full quality of the original video will be preserved! (unless you choose a different video codec)

Edit a movie by editing the audio

Clicking the button over the video preview will switch it between "Unedited Video" and "Edited Video".

Once it shows "Edited Video", the video will be edited automatically when you edit the audio:

  • Cut a piece of audio -> the corresponding images will be deleted,
  • Reverse a selection -> the video will play backwards,
  • Slow down or accelerate the audio -> the video will match.

If you are editing for a video blog, and want to remove all the extra silences, simply select them from the waveform, delete, and the corresponding images will be deleted.


Update your subscription

TwistedWave Online allows you to test the video editing function for files up to 30 seconds in length.

In order to be able to edit longer files, you need to upgrade your subscription plan, and select the video option.

Preserve the full image quality

When you save a movie, TwistedWave will do its best to preserve the full image quality. If you are not using the synchronized edition, and simply save the audio back with the original video, unless you have selected a different video codec for the destination file, then TwistedWave doesn't even have to re-encode the images. The original video frames will be re-used, and the full image quality will be preserved.

If you have edited the video, then some re-encoding has to happen. If you have reversed or slowed down a region, then the corresponding images will be re-encoded. If you cut or copy/paste audio around, then a small region around the cuts has to be re-encoded, depending an the position of key frames.

If you are working with a file where all the images in the video track are key frames, such as Motion JPEG, or with the h264 codec configured to use only key frames (some digital cameras provide that option with the ALL-I or ALL-Intra setting), then TwistedWave never has to re-encode a frame, and can re-use all the original video frames, even if you reverse or slow down a region.