Q1) What the conditions that must be met for real time compression? Q2) give an example of lossy and lossless algorithms

Q3) Define the following terms: a- Entropy

b- JPEG c- DCT d- FDM e- Ancillary data field f- FFT

Q4) What is the difference JPEG and pmp? Q5) What is the component of PES? Q6) What are the steps used by MPEG-1 to perform video compression?

Q7) What is the characteristics of the following algorithms ( Applications, Bit rate, Frame/sec, etc..)

a- MPEG-1 b- MPEG-2 c- MPEG-4

Q8) Complete the information of the following layers defined in ISO recommendation 11172-3 for MPEG audio compression

Layer Application Compressed Quality Example bit rate I/O delay

1			Hi-fi quality at 192 kbps per channel
2			Near CD-quality at 128 kbps per channel
3			CD-quality at 64 kbps per channel

Q9) How many frames are used with MPEG output? Mention them and explain the function of each frame

Q10) what is the D-frame used for? Q11) What is the component of MPEG audio encoder? Q12) What is the Differences between MPEG2, MPEG4 and H264?