Bruksanvisning Samsung DCB-H360R Digitalmottagare

Bruksanvisning

GB-3

DCB-H360R

GB

GB-2

DIGITAL CABLE RECEIVER

DCB-H360R

Aspect ratio

In addition to resolution, HDTV is also defined by the aspect ratio of its broadcasts.

Aspect ratio means the shape of the screen as defined by the ratio of the screen’s width to its

height. For analog TV and SDTV, the aspect ratio is 4 units wide by 3 units high (usually written

4:3). This is the familiar shape of conventional TVs — slightly wider than they are tall.

For HDTV broadcasts, the aspect ratio is 16:9 (nearly twice as wide as it is tall).

This is, not coincidentally, more like the shape of movies shown in theaters.

This makes HDTV an ideal format for broadcasting and viewing movies on a TV.

But what happens if you are watching a nearly square-shaped 4:3 broadcast on a rectangular

16:9 TV, or vice-versa? The HD Receiver allows you to choose from a variety of screen formats

to help you deal with those scenarios.

Dolby

®

Digital 5.1

Dolby Digital 5.1 provides 5 discrete channels of digital audio information for use by A/V receivers

capable of decoding the 5.1 channel signal.

The audio signals are broken into left-front, center, right-front, left-rear, right-rear and a

low-frequency effects channel (designed for subwoofers).

The result when connected to a compatible Dolby Digital 5.1 channel A/V receiver and speaker

setup is a home theater experience that provides much of the dynamic range, 360-degree

imaging, and sonic excitement of a real theater.

To take full advantage of the Dolby Digital 5.1 capabilities of the HD Receiver, you will need a

Dolby Digital 5.1 compatible A/V receiver connected to the HD Receiver through the Dolby Digital

Optical jack.

AC-3 is a sound encoding/decoding technology developed in 1987 for movie theatres and means

an AC-3 bit stream. AC-3 is used synonymously with Dolby Digital nowadays.

HDMI (High Definition Multimedia Interface)

HDMI is an interface to enable the digital transmission of video and audio data with just

a single connector.Using HDMI the receiver transmits a digital video and audio signal

and displays as a vivid picture on a TV having an HDMI input jack.

TECHNICAL OVERVIEW

TECHNICAL OVERVIEW

What are SDTV and HDTV ?

SDTV

SDTV is a digital TV format that provides a high quality picture at resolutions that can be

displayed on standard TV sets (see more on resolutions later in this chapter).

HDTV

HDTV is a digital TV format that provides the highest quality picture at resolutions that can be

displayed on computer monitors and HDTV-ready TV displays (see more on resolutions later in

this chapter).

Resolution

Resolution refers to the number of pixels on the screen. The higher the resolution, the better

the visual quality.

Digital broadcasts are classified into HD and SD grades according to the visual quality. In

general, HD (High Definition) grade supports resolutions of 1920x1080i and 1280x720p and an

aspect ratio of 16:9 for both ATSC and DVB standards.

SD (Standard Definition) grade supports resolutions of 720x480p and 720x480i for the ATSC

standard, and supports resolutions of 720x576p and 720x576i for the DVB standard.

SD grade usually supports an aspect ratio of 4:3. However, it may differ depending on the

region.

DVB-C ( Cable Digital Video Broadcasting)

Digital video broadcasting - cable (DVB-C) is European standard DVB for digital broadcasting

transmission via cable. DVB-C system provide audio/video digital transmission through mpeg-2

format and utilize QAM modulation system.

DVB-C standard has been developed so that a digital broadcasting signal can be sent through

VHF/UHF channels. The advantages of this standard are relatively protected environment with

respect to distortion and signal path attenuation so a higher signal to noise ratio can be

achieved and no negative effect from multipath so higher order modulation schemes can be

implemented.

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