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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 recording4
Video Recording

  • Tape Head


Video recording5
Video Recording

Magnetic Domain


Video recording6
Video Recording

Magnetic Domain


Video recording7
Video Recording

Magnetic Recording


Video recording8
Video Recording

Hystersis



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