M4R to CVU Converter
Convert your m4r files to cvu online & free
How to convert m4r to cvu
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to cvu"
Choose cvu or any other format you need as a result (more than 200 formats supported)
Download your cvu
Let the file convert and you can download your cvu file right afterwards
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 (unfiltered)
CVU file is a CVSD Unfiltered Audio. Continuously Variable Slope Delta modulation (unfiltered) is an alternative handler for CVSD that is unfiltered but can be used with any bit-rate.