Overview

Chapter1

Overview 1 Chapter

Features

The HVR-M25U/M25N/M25E/M25P is a digital HD videocassette recorder supporting HDV format and DVCAM/DV format. The unit produces stable, superior picture quality by digital processing and separating image signals into color difference signals and a luminance signal (component video). The unit provides i.LINK ( HDV/DV) jack, HDMI OUT jack, COMPONENT OUT jacks, S VIDEO IN/OUT jacks, composite IN/OUT jacks, and AUDIO IN/OUT jacks. These jacks allow you to connect other equipment like non-linear editors. Additionally, it comes with a 2.7 (16:9)-type color LCD (liquid crystal display) monitor, you can easily check your recorded images, menus, and the audio level meters. The main features of the unit are described below.

HDV format

The unit can perform HDV (High-Definition Digital Video) recording and playback on a DVCAM format video cassette or a DV format video cassette.

The compression system of HDV format is the MPEG2 system adopted in the high-definition broadcasting and the Blu-ray Disk System.

The unit adopts the 1080 scanning lines (interlace (HDV 1080/60i and HDV 1080/50i)/1440 ⋅ 1080 pixels) format of the HDV specifications. The recording bit rate is approximately 25 Mbps. The unit is equipped with an i.LINK digital interface and can be digitally connected with HDV-compatible televisions or computers.

DVCAM/DV format

DVCAM is based on the consumer DV format, which uses the 4:1:1 component digital format (60i) or the 4:2:0 format (50i), and provides a 1/4-inch digital recording format for professional use. The unit provides both DVCAM format recording/playback and DV format in SP mode recording/playback.

For details, see “Compatibility of HDV, DVCAM, and DV Formats” on page 93.

Compatible with both 1080/60i (NTSC) and 1080/50i (PAL) systems

The unit is compatible with 60i and 50i systems. You can switch these input signals using the menu setting (page 79). This compatibility allows you to record (download) or play back (upload) both 50i and 60i signals with your VCR, computer, or other equipment. However, the unit cannot convert the color system of the signals.

The unit set in 60i system has a field frequency of 59.94 Hz.

Chapter 1 Overview

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