SPH to IMA Converter
Convert your sph files to ima online & free
SPeech HEader Resources
A headerless file of IMA ADPCM audio data
How to convert SPH to IMA
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to ima"
Choose ima or any other format you need as a result (more than 200 formats supported)
Download your ima
Let the file convert and you can download your ima file right afterwards