MP4 to SPX Converter
Convert your mp4 files to spx online & free
MPEG-4 Part 14
MP4 is an extension defined by MPEG-4 video standard and AAC audio standard. It is a container that supports all kinds of media such as video, audio, subtitles, 2D and 3D graphics. It is possible to open MP4 file with almost any player on Windows but on Mac you should use a plug-in or just convert the file to another format.
An SPX file is a Speex audio file saved within an Ogg Vorbis container. Speex is an open source patent-free audio format designed for speech compression. It supports variable bitrate (VBR) encoding and several features not found in other audio codecs. Some examples include embedded encoding, intensity stereo encoding, and voice activity detection.
How to convert MP4 to SPX
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to spx"
Choose spx or any other format you need as a result (more than 200 formats supported)
Download your spx
Let the file convert and you can download your spx file right afterwards