1

Cameras,Videotape Cameras,Videotape & Formats& Formats

2

Objectives Objectives

• Describe three classifications of video equipment

• Describe camera classifications• Identify the types of videotape

and videotape formats• Discuss acquisition strategies

3

ClassificationsClassifications • Professional

• Pro-sumer

• Consumer

4

Professional CamerasProfessional Cameras • Higher resolution

images– Typically in the 600-

700 lines range

• Usually a 3-chip imaging device

• Interchangeable parts

5

Professional Professional CamerasCameras

• Bigger!

• More expensive

• Interchangeable parts –– Lens

– Record deck

– Peripherals

6

Professional Professional CamerasCameras

• Professional tape formats–BetaSP–DVPro, DVCam–D1, D2

• Usually component signal

7

Prosumer CamerasProsumer Cameras • Mid-range image

resolution– Typically in the 400-500 lines range

• May have interchangeable parts

8

Prosumer CamerasProsumer Cameras • Smaller size• Less

expensive than professional

• Usually single chip imaging

9

Prosumer CamerasProsumer Cameras • Tape formats

–MiniDV–Digital 8 & Hi8–SVHS

• Usually component signal

10

Consumer CamerasConsumer Cameras • Somewhat low

resolution-– Typically less

than 300 lines

• Single chip image

• Very inexpensive

11

Consumer CamerasConsumer Cameras • Formats

– VHS

– Standard 8mm

– VHS-C

• Composite signal

12

Signal Types to TapeSignal Types to Tape• Composite

– Video info saved as “grouped”

– Color & brightness together

13

Signal Types to TapeSignal Types to Tape• Component

– Video info split

– Color & brightness separate signals

14

Signal Types to TapeSignal Types to Tape

• Digital– Use transfer

protocol

–Current is IEEE 1394

15

Videotape Physical Videotape Physical AttributesAttributes

2 Basic Types:Open Reel Cassette

16

Analog TapeAnalog Tape • Tape format often

is described by width of tape-– I inch– ¾ inch cassette– 8 mm– ½ inch VHS

17

Digital TapeDigital Tape • Tape format is

described by the signal type-– miniDV

– Digital 8**

– DVPro

– DVCam

18

Professional TapeProfessional Tape• Open Reel

– 2 inch• four video heads

– 1 inch• helical scan

• Cassette– Beta SP– ¾ inch – D1 & D2

19

Prosumer TapesProsumer Tapes• ¾ inch cassette• S-VHS

– s format

• Hi8– s format

• Digital 8• miniDV

20

Consumer TapesConsumer Tapes• VHS

– composite format

• Standard 8mm– composite format

• Digital 8

• miniDV

21

Digital Editing Digital Editing Systems & SoftwareSystems & Software

Professional “Turnkey Systems”

• Includes all hardware, software and peripherals– Avid System– Media 100– MAC-based

22

Digital Editing Digital Editing Systems & SoftwareSystems & Software

Prosumer• More specialized cards

for video• Desktop computer

orientation• Software such as

Adobe Premiere or Final Cut Pro

23

Digital Editing Digital Editing Systems & SoftwareSystems & Software

Consumer• Simple IEEE 1394 cards• Desktop computer

orientation• Software such as Avid

Cinema,• Videowave, iMovie

24

TripodsTripods• Strong

enough to hold weight of camera

• Stable

• Fluid head

25

TripodsTripods

The least stable tripod!!

26

Acquisition Acquisition DecisionsDecisions

• Needs of the project

• Funding

• User skills

• Trends