3. Image chain

3.1 Comparison of analog and digital solutions

• Analog chain(figure 9 )

  Production encompasses all operations involved in preparing a television program:

  • shooting ;

  • production processing, such as editing, mixing or overlaying several local or remote video signals;

  • coding (NTSC, PAL and SECAM) of audio and video components into a form that is "transportable" and "broadcastable". The resulting "composite" signal carries a single television...