M4R to CVSD Converter

Convert your m4r files to cvsd online & free

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Convert to M4R

m4r

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.
CVSD Converter

cvsd

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

Step 1

Upload m4r-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to cvsd"

Choose cvsd or any other format you need as a result (more than 200 formats supported)

Step 3

Download your cvsd

Let the file convert and you can download your cvsd file right afterwards