無料オンラインOGVからCVSDへのコンバーター

OGV is a container that uses OGG open source format. OGG is unrestricted of software patents which was one of the main goals of its creation. OGV file extension is used to store video stream with or without audio which in turn may be compressed with the Opus, Vorbis, Theora or Speex algorithm. The format is used to play video content on web pages with the help of HTML5. OGV files can be played by wide variety of media players.

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