Free Online SPX to M4A Converter
SPX
to
M4A
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.
M4A
Compressed Audio File
This is a lossless-format (and encoding algorithm) for Apple platforms. M4A is widely used in iPod players and as a component in QuickTime media-players. The m4a codecs decoder is found in open sources - this allows third party users to open files in that format.
How To Convert SPX to M4A
Step 1: Upload Files
Click the upload button or drag and drop your SPX files into the upload area.
Step 2: Convert File
Click "Convert" and wait for conversion done
Step 3: Download
Download the converted M4A file
