add audio to video

Free Stereo-widening effect plugin that can be used to add stereo width to audio tracks

Manage your digital music collection, play, convert, and process audio files, add tags, cover arts.

Convert audio files between MP3, WAV, and 40 other file formats; use batch conversions, add tags.

amoeba add to the sineqube library another set of methods for audio manipulation

It add support for audio files tag formats into Windows Media Player 10.

A simple application lets you add extra data to your audio files.

Play or convert most video file formats, and add special sound effect.

Best free video editing software: Edit 4K/8K/HD Video, Audio and more

A simple, free way to broadcast video and audio or watch the video.

Zoom Video, Multi-Screen, Rate, support Play (Video, Audio, Image), Searcher....