Home theater basics

                                                      Home theater basics

Whether the composition of a home theater is complex or simple, there are certain standards for overall coordination and space environment integration. Unlike traditional electrical appliances, you can just buy one and put it there.

With the continuous development of the film industry, going to the theater to watch movies has become a daily way of leisure. There are objectively unavoidable problems in public theaters. Can't get the best viewing experience. Choosing a high-quality home theater system to watch movies at home has become the demand of most families. So what should we pay attention to when choosing?

One: Composition

01

Audio amplification and restoration: speaker + subwoofer + power amplifier

The home theater 5.1 speaker system is composed of front main box + front center + rear surround + subwoofer, which can be upgraded to a multi-channel system such as 7.1.2 or 7.2.4 by adding auxiliary channels and subwoofers.

Subwoofer: The embodiment of the dynamic effect of the home theater, the subwoofer, the center, and the power amplifier are also called the soul of the home theater.

Power amplifier: It is responsible for many tasks such as audio amplification, decoding, and video decoding, and it is the key factor for the quality of the effect.

02

Video restoration: projector + curtain, TV

Projectors can be divided into laser, LED, LCD, etc. according to their working methods. According to the purpose can be divided into: commercial and household. According to the focal length, it can be divided into two types: long focus and short focus. Home consoles for home use are mainly based on the reference parameters - lumens - contrast - resolution - fan noise, etc. At present, the video resolution supported by home consoles is mainly 1080P, and some high-end models support 4K.

The curtain must be used with the projector, and it is matched according to different types of projection types and performances. Household curtains are mainly divided into two categories: picture frame curtains and electric curtains. Special types require sound-permeable curtains and anti-light curtains. The size of the screen depends on the focal length of the projection and the size of the room.

03

Audio output, video output: Blu-ray player, network player, computer, game console (PS4/XOBX)

A simple summary is audio and video restoration and audio and video output, which are the basic components of a home theater.

Two: category

01

multi-channel system

5.1 system, 7.1 system, 9.1 system, 11.1 system and so on. (The point 1 here refers to the subwoofer, which can be increased to 2 or 4 according to the needs of users. The number 5.7.9 in front refers to the number of speakers, and the current home system can achieve up to 32 channels.

02

sound bar system

The sound bar system can also be called the echo wall system.

The usual configuration is a soundbar plus a subwoofer.

03

two-channel system

The conventional configuration is 2 multimedia active speakers, and a cannon can also be added to form a 2.1 system.

According to the channel, it is roughly these three categories.

Strictly speaking, only the multi-channel system of the home theater system meets the requirements, and the other two cannot meet the requirements.

Three: Audio format

After entering the next generation, the mainstream audio formats are: Dolby TrueHD (Dolby TrueHD) DTS-HD (DTS-High Definition) Dolby Atmos (Dolby Atmos) DTS:X. These four formats of audio are by far the most commonly used audio formats.

Four: Video format

Currently, video resolutions mainly include 720P.1080l.1080P.4K.

1080P is almost the mainstream, whether it is a TV or a projector, it is supported.

4K technology is still making steady progress.

In terms of film sources, the currently released movies and TV series are all in 1080P, and 4K film sources are also gradually increasing.

Written by : Davecl Audio.