FFmpeg 1 and 2 Pass Encoding. 2 pass encoding, one of the multi-pass encoding, is a technique for encoding video into another format using two passes to keep the best quality.wo-pass encoding will not make such mistakes. Using statistics of the 1st pass the encoder can estimate the value of each frame in bits. It results in a better distribution of bits between two parts of the video clip. The first dynamic part will get more bits while the second part will get less bits.
The definition of a phylum is a major category of living organisms, or a group of genetically related language families. 1  An example of a phylum is Mollusca which means an invertebrate animal such as an octopus.
The word phylum (plural: phyla) is a category used to classify marine organisms. In this article, you can learn the definition of phylum, how it is used, and examples of phyla used to categorize marine life.he word phylum (plural: phyla) is a category used to classify marine organisms. In this article, you can learn the definition of phylum, how it is used, and examples of phyla used to categorize marine life.