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Chapter 1 Overview
8 Chapter 1 Overview
Chapter1
Overview
Features
The DSR-2000A/2000AP is a
1
/4-inch digital
videocassette recorder using the DVCAM
TM
digital
recording format. It uses a component video system,
with separate luminance and chrominance signals and
digital processing to enable stable, high-quality video.
This unit is equipped with a variety of functions
needed for videocassette recorders and players used in
video editing. By combining two units, you can easily
assemble a cut editing system. It is also equipped with
a wide range of digital and analog interfaces, to
support a variety of different editing systems,
including conventional analog systems and mixed
digital and analog systems.
Furthermore, it is equipped with an i.LINK interface as
standard equipment, making it easy to connect to
nonlinear DV editing systems.
The following are the principal features of the unit.
DVCAM Format
DVCAM is a professional
1
/4-inch digital recording
format developed by Sony from the consumer DV
component digital format (4:1:1 for DSR-2000A/4:2:0
for DSR-2000AP).
High image quality and high stability
The luminance and chrominance signals are encoded
separately, with
1
/5 compression to enable stable, high-
quality video.
Since this is a digital system, nth-generation copies
created by repeated dubbing show virtually no loss in
picture quality.
Wide track
The recording track width is 15 µm, 50% wider than
the 10 µm of the DV format. This ensures adequate
reliability for professional use.
PCM digital audio for high sound quality
The PCM encoding method yields a high audio
quality, with wide dynamic range and high signal-to-
noise ratio.
There are two recording modes: two-channel mode
(48-kHz sampling and 16-bit quantization), which
offers sound quality equivalent to the DAT (Digital
Audio Tape) format, or four-channel (32-kHz
sampling and 12-bit quantization).