add audio to video

Power Audio Extractor can be used to extract audio from video

Convert audio or extract audio from video to AIF, MP3, OGG, WAV, or WMA

Convert any audio file from one to another, extract audio from video or record.

Convert video to iPhone MPEG-4, iPhone MP3 AAC, M4A and extract audio from video.

iRiver Video Converter can convert almost all audio or video files for iRiver

It can convert almost all video formats to your favorite audio & video formats.

An outstanding video editor for audio and video editing, and image files.

Convert audio (and video) files into several formats.

Converts 150 audio and video formats to 29 file formats and keeps ID3 tag

Easily and quickly convert your audio or video files to MP3, OGG, WMA, WAV, etc.