Online AMR to CVSD, you can put the AMR to CVSD format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload AMR file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'CVSD'
Select output CVSD or any other format as the conversion result (click the Convert button)
Step 3
Download your AMR file
After the conversion you can download your CVSD file and upload it to Google Drive, Dropbox.
amr : Adaptive Multi-Rate Codec File
AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.
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