JVC GY-HD250 User Manual download pdf (Page 3)

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ProHD — Concept of

JVC’s Affordable

HD Solution

1. HDV Full Progressive Scanning (720p)

Industry leading professionals told us that they wanted a full-

frame progressive scanning system that would shoot and

record the highest quality moving continuous images. ProHD

uses the 720/60p progressive HDV format and produces crisp,

native HD images which perfectly match today’s digital

displays and which can be converted easily, without

degradation, to interlaced pictures.

2. Time Code

As a professional system, ProHD products include the facility

to record and display time code. Convenient menu operation

makes it easy to preset time code at the beginning of a tape.

Simply select REC RUN or re-generation mode. User bits are

also available.

3. Highly efficient video compression

To provide the highest quality HD recording, JVC uses the

broadcast industry standard MPEG-2 Main Profile at H-14.

Offering far greater efficiency than frame-bound systems,

ProHD records at data rates at or above commercial broadcast

rates. Recent advancements in non-linear editing have made it

possible to edit ProHD on virtually all popular Non-Linear

systems. Direct

digital transfers through IEEE 1394 ensure there is no loss in

quality throughout the transfer process.

4. Dual recording system

Designed to utilize both DV tape and optional hard disk drives,

ProHD offers the ultimate in media versatility, maximizing

productivity with efficient, economical editing and low-cost

archiving. Now you can safely archive the original tape

cassette and then plug the hard disk straight into your NLE.

Editing can start right away — no need to make dubs or

transfer data.

5. Real 24p

With ProHD, the dream of creating HD video with the essence

of film has at last been realized. By capturing and recording at

the film frame rate of 24fps, and offering extensive user

configurable settings such as exposure, gamma and detail,

ProHD becomes an ideal tool for creative expression. In

addition, native 24p editing is now possible in HD at a low bit

rate of 19Mbps, enabling the creation of EDLs (Edit Decision

Lists) of 24 frame material with compatible Non-Linear Editing

software. For the ultimate expression on the big screen, 24

frame progressive recordings can be transferred easily to 16

mm or 35 mm film.

GY-HD250

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JVC GY-HD250 User Manual Page 3

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