Free Online MP4 to SPX Converter
MP4
to
SPX
MP4
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.
SPX
Speex
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
Step 1: Upload Files
Click the upload button or drag and drop your MP4 files into the upload area.
Step 2: Convert File
Click "Convert" and wait for conversion done
Step 3: Download
Download the converted SPX file
