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Video Recording - PowerPoint PPT Presentation


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Video Recording. Analog Video. Video Recording. Color space. Video Recording. Analog Composite Component S-Video Digital format UnCompressed (SDI) Compressed (MPEG). Video Recording. Magnetic Tape. Magnetic coating on Plastic Iron Oxide coating Chromium di-oxide. Analog Formats.

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PowerPoint Slideshow about ' Video Recording' - elyse


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Presentation Transcript
video recording
Video Recording
  • Analog Video
video recording1
Video Recording
  • Color space
video recording2
Video Recording
  • Analog
    • Composite
    • Component
    • S-Video
  • Digital format
    • UnCompressed (SDI)
    • Compressed (MPEG)
video recording3
Video Recording
  • Magnetic Tape
  • Magnetic coating on Plastic
    • Iron Oxide coating
    • Chromium di-oxide
analog formats
Analog Formats
  • Tape Heads
    • Recording Heads – Soft Iron/Ferrite
    • Playback Heads
    • Erase Heads
video recording5
Video Recording

Magnetic Domain

video recording6
Video Recording

Magnetic Domain

video recording7
Video Recording

Magnetic Recording

analog formats1
Analog Formats
  • Analog
    • VHS
    • Ampex
    • U-Matic
    • Betacam
video recording10
Video Recording
  • Tape Speed
    • Quadruplex
    • Helical span
    • Speed of the tape
      • Audio 4.75 cm/s
      • Video 10 m/s
video recording11
Video Recording

Ampex VR2000

video recording15
Video Recording
  • Control Track
    • Each frame – Synchronize scan & tape speed
    • Dropouts – Defective magnetic particles
    • Discontinuous track
    • Generation loss
video recording16
Video Recording

Digital Picture formats

Uncompressed

BMP

TGA

TIFF

Compressed

JPEG

GIF

GIF (Animated)

video recording18
Video Recording
  • Computer based Recording
    • Uncompressed
    • Compressed
      • DV
      • MPEG 1, 2
      • Mov
      • AVI
      • Mpeg4
      • WMV
video recording19
Video Recording
  • Digital Video
    • SDI
    • DV
    • MPEG
    • WMV
    • Flash
video recording20
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)
      • 80byte, 150 blocks (Sequence), 10-12 seq a frame
      • AVI, MOV, MxF
video recording21
Video Recording
  • DVCPRO (1995) Panasonic
    • Locked Audio
    • 4:1:1
    • 25Mbps
  • DVCPRO 50 (1997)
    • Locked Audio
    • 4:2:2
    • 50Mbps
video recording22
Video Recording
  • DVCAM (1996) Sony
    • Locked Audio
video recording23
Video Recording
  • DigiBeta
    • DCT Component Video
    • 10bit YUV 4:2:2
    • 90Mbps, 4 Uncompressed 20bit PCM Audio
    • SDI
video recording24
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
video recording25
Video Recording
  • MPEG IMX (2001)
    • MPEG-2 4:2:2
    • 30, 40, 50Mbps, 8 Uncompressed 16bit PCM Audio
    • Intraframe
    • SDTI
    • Muted green tapes
video recording26
Video Recording
  • HDCAM / HDCAM SR (1997)
    • 1080i
    • 8bit DCT, 144Mbps
    • 1440 X 1080 -> 1920 X 1080
    • 4 AES 20bit
video recording27
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
video recording28
Video Recording
  • D1 (1986) ¾”
    • Uncompressed digital component video
    • Y’CbCr – 4:2:2, 8bit
  • D1
    • Composite video
  • D5 HD (Panasonic)
    • 10bit
video recording29
Video Recording
  • Advantages of Computer based Recording
    • Cassette-free
    • Network sharing
    • Editing friendly
video recording30
Video Recording
  • Editing
    • Linear Editing
    • Non Linear
      • Hardware based
      • Software based
      • Codec
video recording31
Video Recording
  • Non Linear Editing
    • Windows Movie maker
    • Avid
    • Velocity
    • Adobe Premier
    • Final Cut Pro
video recording33
Video Recording
  • Advantages of Non Linear Editing
    • Record Once
    • Random Access
    • EDL
    • Export
video recording34
Video Recording
  • System Requirements
    • High end computer hardware
    • Good quality video card
    • Huge Hard Disk
    • Throughput
video recording35
Video Recording
  • NLE Storage
    • Local
    • NAS
    • SAN
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