Common Codecs. Some codec examples are MP3, WMA, RealVideo, RealAudio, DivX and XviD, but there are many other obscure codecs. AVI, though a common file extension you see attached to lots of video files, is not in itself a codec but instead is a common container format that many different codecs can use.
In order to evaluate a President's nominee to a seat on the court,  the person must win a simple majority in the Senate. Winning simple  majority means either obtaining 51 vâ¦otes, or 50 Senator votes with  the Vice President voting in favor during a tie breaker. GB.
Margin Requirements. A Margin Requirement is the percentage of marginable securities that an investor must pay for with his/her own cash. It can be further broken down into Initial Margin Requirement and Maintenance Margin Requirement. According to Regulation T of the Federal Reserve Board, the Initial Margin requirement for stocks is 50%, and the Maintenance Margin Requirement is 30%, while higher requirements for both might apply for certain securities.