Frequently Asked Questions with Answers

  1. The MPEG standard
    1. What is MPEG ?
    2. Does it have anything to do with JPEG ?
    3. How do MPEG and H.261 differ ?
    4. Is H.261 the de facto teleconferencing standard ?
    5. What is the reasoning behind MPEG syntax symbols ?
    6. How would you explain MPEG to the data compression expert ?
    7. What are the implementation requirements ?
    8. How do I join MPEG ?
    9. What is the evolution of standard documents ?
    10. How do I get the documents ?
    11. What are the important themes of MPEG ?
    12. How do you tell a MPEG-1 bitstream from a MPEG-2 bistream ?
    13. What is the precision of MPEG samples ?
    14. What is the best compression ratio for MPEG ?
    15. What about MPEG artifacts ?
    16. Are there single chip MPEG encoder ?
    17. What about MPEG-1 decoder chips ?
    18. What about audio chips ?
    19. Will there be an MPEG video tape format ?
    20. Is so-and-so really MPEG compliant ?
    21. What are some journals on related MPEG topics ?
    22. Which performances should I expect from MPEG boards ?
    23. Are there any MPEG FTP or WWW sites ?
  2. MPEG-1
    1. How does MPEG-1 VIDEO work ?
    2. What do B-frames buy you ?
    3. Why do some people hate B-frames ?
    4. Can motion vectors be used to measure object velocity ?
    5. How do you code interlaced video with MPEG-1 syntax ?
    6. Where did they get 352x240 ?
    7. Can MPEG-1 encode higher sample rates than 352x240x30 ?
    8. What are Constrained Parameters Bitstreams ?
    9. Why are Constrained Parameters Bitstreams so important?
    10. Are there ways of getting around Constrained Parameters Bitstreams for SIF class applications and decoder ?
    11. How much does it compress ?
    12. Is the same video compression applied to audio ?
    13. How does MPEG-1 AUDIO work ?
    14. How good is MPEG-1 AUDIO compression ?
    15. How does MPEG-1 AUDIO achieve this compression ratio ?
    16. Explain the masking effect
    17. What is the hardware demand ?
    18. Who is using MPEG-1 AUDIO?
    19. Which sampling frequencies are used ?
    20. How many audio channels?
    21. Where can I get more details about MPEG audio ?
    22. What about MPEG-1 SYSTEMS ?
  3. MPEG-2
    1. What is MPEG-2 ?
    2. Why MPEG-2 ?
    3. What are the typical MPEG-2 bitrates and picture quality ?
    4. When will an MPEG-2 decoder chip be available ?
    5. Where will we see MPEG in everyday life ?
    6. What did MPEG-2 add to MPEG-1 in terms of syntax/algorithm ?
    7. What are the scalable modes of MPEG-2 ?
    8. What is the TM rate control and adaptive quantization technique ?
    9. What is MPEG-2 VIDEO ?
    10. What are MPEG-2 VIDEO Main Profile and Main Level ?
    11. At what bitrates is MPEG-2 video optimal ?
    12. How does MPEG video really compare to TV, VHS, laserdisc ?
    13. Why film does so well with MPEG ?
    14. What are some pre-processing enhancements ?
    15. Why use "advanced" pre-filtering techniques ?
    16. What are some advanced encoding methods ?
    17. What is MPEG-2 AUDIO ?
    18. What is MPEG-2 SYSTEMS ?
    19. What about the Grand Alliance ?
The following is a list of persons whose material contributed to the creation of this list :
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