2. Video Recording Analog Video

3. Video Recording Color space

4. Video Recording Analog  Composite  Component  S-Video Digital format  UnCompressed (SDI)  Compressed (MPEG)

5. Video Recording Magnetic Tape  Magnetic coating on Plastic  Iron Oxide coating  Chromium di-oxide

6. Analog Formats Tape Heads  Recording Heads – Soft Iron/Ferrite  Playback Heads  Erase Heads

7. Video Recording Tape Head

8. Video Recording Magnetic Domain

9. Video Recording Magnetic Domain

10. Video Recording Magnetic Recording

11. Video Recording Hystersis

12. Video Recording

13. Analog Formats Analog  VHS  Ampex  U-Matic  Betacam

14. Video Recording Tape Speed  Quadruplex  Helical span  Speed of the tape oAudio 4.75 cm/s oVideo 10 m/s

15. Video Recording Ampex VR2000

16. Video Recording

19. Control Track  Each frame – Synchronize scan & tape speed  Dropouts – Defective magnetic particles  Discontinuous track  Generation loss

20. Video Recording Digital Picture formats  Uncompressed oBMP oTGA oTIFF  Compressed oJPEG oGIF oGIF (Animated)

21. Video Recording

22. Computer based Recording  Uncompressed  Compressed oDV oMPEG 1, 2 oMov oAVI oMpeg4 oWMV

23. Video Recording Digital Video oSDI oDV oMPEG oWMV oFlash

24. Video Recording DV Format (1995)  Intraframe, Interlaced  DCT  13.5:6.75  720 X 576 (704 active)  4:1:1 / 4:2:0  16bit/12bit Linear/Nonlinear PCM Audio  DIF (Digital Interface Format) o80byte, 150 blocks (Sequence), 10-12 seq a frame oAVI, MOV, MxF

25.  Chroma Sub-sampling

27. Video Recording DVCPRO (1995) Panasonic  Locked Audio  4:1:1  25Mbps DVCPRO 50 (1997)  Locked Audio  4:2:2  50Mbps

28. Video Recording DVCAM (1996) Sony  Locked Audio

29. Video Recording DigiBeta  DCT Component Video  10bit YUV 4:2:2  90Mbps, 4 Uncompressed 20bit PCM Audio  SDI

30. Video Recording DigiBeta SX (1996)  Digital version of Betacam SP  MPEG-2 4:2:2  22Mbps (approx), 4 Uncompressed 16bit PCM Audio  Alternate frames are I-frame & B frame  Cassettes Yellow

31. Video Recording MPEG IMX (2001)  MPEG-2 4:2:2  30, 40, 50Mbps, 8 Uncompressed 16bit PCM Audio  Intraframe  SDTI  Muted green tapes

32. Video Recording HDCAM / HDCAM SR (1997)  1080i  8bit DCT, 144Mbps  1440 X 1080 -> 1920 X 1080  4 AES 20bit

33. Video Recording HDCAM SR (2003)  10bit 4:2:2 or 4:4:4  MPEG4 - Part2  1920 X 1080  12 Audio Channels, 24bit  SDTI  Muted green tapes

34. Video Recording D1 (1986) ¾”  Uncompressed digital component video  Y’CbCr – 4:2:2, 8bit D1  Composite video D5 HD (Panasonic)  10bit

35. Video Recording Advantages of Computer based Recording  Cassette-free  Network sharing  Editing friendly

36. Video Recording Editing  Linear Editing  Non Linear oHardware based oSoftware based oCodec

37. Video Recording Non Linear Editing  Windows Movie maker  Avid  Velocity  Adobe Premier  Final Cut Pro

38. Video Recording

39. Advantages of Non Linear Editing  Record Once  Random Access  EDL  Export

40. Video Recording System Requirements  High end computer hardware  Good quality video card  Huge Hard Disk  Throughput

41. Video Recording NLE Storage  Local  NAS  SAN