3GP to SPH Converter
Convert your 3gp files to sph online & free
How to convert 3gp to sph
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to sph"
Choose sph or any other format you need as a result (more than 200 formats supported)
Download your sph
Let the file convert and you can download your sph file right afterwards
Third Generation Partnership Project
Is a the most popular media container format on phones without the support of 3G, which is currently somewhat outdated. Its main advantage is a compactness. Video data here gets stored in h.263 or MPEG-4 formats. AAAC-LC or AMR-NB are available for audio.
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.