SPH to M4A Converter
Convert your sph files to m4a online & free
SPeech HEader Resources
SPHERE (SPeech HEader Resources) is a file format defined by NIST (National Institute of Standards and Technology) and is used with speech audio. SoX can read these files when they contain μ-law and PCM data. It will ignore any header information that says the data is compressed using shorten compression and will treat the data as either μ-law or PCM. This will allow SoX and the command line shorten program to be run together using pipes to encompasses the data and then pass the result to SoX for processing.
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 SPH to M4A
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to m4a"
Choose m4a or any other format you need as a result (more than 200 formats supported)
Download your m4a
Let the file convert and you can download your m4a file right afterwards