MediaJoin

Easily join (combine) all popular audio and video formats into a single merged file. Formats supported include MP3, WMA, WAV, OGG, AVI, MPEG-1, MPEG-2, and WMV. Optionally include audio tag information for combined output audio files. Settings are available for bitrate, frequency, channels, VBR, and WMA profile for audio; and AVI audio and video codec, MPEG bitrate, frame rate, size, and WMV profile for video, providing complete output control.

Free Download from Audio Video Editing