ตัวแปลงไฟล์ออนไลน์ฟรี M2V เป็น CVSD

M2V is a format containing only video data, audio is stored in other accompanied file. The extension is widely used in DVDs and video compression systems. Actually it is an MPEG-2 video stream. M2V is also used in digital TV where serves as a standard that defines the structure of transport streams and data transmission methods.

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