2. Compression
 Coder decoder or shorted down as codec s the method in which
video data is encoded into a file and decoded when the file is
played back
 Codec and compressor are often used interchangeably as most
video is compressed during encoding.

3. Compression
 The process of converting from one codec to another is
transcoding
 Codecs do not throw away any data which means they are
lossless
 Or lossy which means the data is lost during encoding
 You should avoid transcoding to a lossy codec in a video workflow
until final output

4. Compression