M4R to CVSD Converter
Convert your m4r files to cvsd online & free
MPEG 4 Ringtones Audio
M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.
Continuously Variable Slope Delta modulation
Continuously Variable Slope Delta modulation is a voice coding method. It is a delta modulation with variable step size (adaptive delta modulation), first proposed by Greefkes and Riemens in 1970
How to convert M4R to CVSD
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to cvsd"
Choose cvsd or any other format you need as a result (more than 200 formats supported)
Download your cvsd
Let the file convert and you can download your cvsd file right afterwards