Home cinema

Source: Wikipedia, the free encyclopedia.

acoustic treatment
, professional wiring, equipment and speaker placing, and a digital projector and screen
Home theatre room with 100" pull down screen

Home cinema, also called home theaters or theater rooms, are home entertainment audio-visual systems that seek to reproduce a

video rental store
as was common in the 1980s and 1990s (nevertheless, some movie enthusiasts buy DVD or Blu-ray discs of their favorite content).

In the 2020s, a home cinema system typically uses a large projected image from a video projector or a large flat-screen high-resolution

stereo sound) to a 5.1 channel amplifier and five or more surround sound speaker cabinets (with a surround sound system). Whether home cinema enthusiasts have a stereo set-up or a 5.1 channel surround system, they typically use at least one low-frequency subwoofer
speaker cabinet to amplify low-frequency effects from movie soundtracks and reproduce the deep pitches from the musical soundtrack.

Introduction

1912 publicity photo for the Edison Home Projecting Kinetoscope

Introduced in 1912, the Edison Home Projecting Kinetoscope was one of the first successful home theater devices. Although it used a 22 mm film format, the image size was nearer to 6 mm, the smallest ever to be commercially released. The value was that an entire motion picture could be released on one reel without editing.[3]

A feature film is viewed on a home screen.

Home theater systems were made in the 1920s with 16 mm projectors. Technological improvements led to 8 mm and sound 16 mm in the 1930s. In the 1950s, playing

Blu-ray Disc
(1080p) have ushered in a new era of home theater.

Recent developments

In the 2010s, the term home cinema encompasses a range of systems meant for movie playback at home. The most basic and economical system could be a

Blu-ray 3D
players in which the viewers wear 3D-glasses, enabling them to see 3D content.

Home cinema designs and layouts are a personal choice and the type of home cinema a user can set up depends on her/his budget and the space which is available within the home. The minimum set of requirements for a home theater are: a large television set or good quality video projector

VCR, LaserDisc player (no new stand-alone models of either are available; VHS VCRs are usually bundled in combo decks with DVD players), a DVD player, a Blu-ray disc player, cable or satellite receiver, video game console, etc. Finally, a set of speakers, at least two, are needed but more common are anywhere from six to eight with a subwoofer for bass or low-frequency effects.[4]

The most expensive home cinema set-ups, which can cost over $100,000 US, and which are in the homes of executives, celebrities and high-earning professionals, have expensive, large, high-resolution digital projectors and projection screens, and maybe even custom-built screening rooms which include cinema-style chairs and audiophile-grade sound equipment designed to mimic (or sometimes even exceed) commercial cinema performance.

Design

This chart shows some of the design flow options for home theatre in the 2000s.

In the 2010s, many home cinema enthusiasts aim to replicate, to the degree that is possible, the

cinema
experience. To do so, many home cinema buffs purchase higher quality components than used for everyday television viewing on a relatively small TV with only built-in speakers. A typical home cinema includes the following components:

  1. Movie or other viewing content: As the name implies, one of the key reasons for setting up a home cinema is to watch movies on a large screen, which does a more effective job at reproducing filmed images of vast landscapes or epic battle sequences. As of 2016, home cinema enthusiasts using smart Blu-ray players may also watch DVDs of TV shows, and recorded or live sports events or music concerts. As well, with a smart player, a user may be able to
    digital photos
    and other content on the big screen.
  2. Video and audio input devices: One or more video/audio sources. High-resolution movie media formats such as Blu-ray discs are normally preferred, though DVD or video game console systems are also used. Some home theaters include a HTPC (Home Theater PC) with a media center software application to act as the main library for video and music content using a 10-foot user interface and remote control. In 2016, some of the more expensive Blu-ray players can stream movies and TV shows over the Internet.
  3. Audio and video processing devices: Input signals are processed by either a standalone
    DTS
    X. The user selects the input (e.g., DVD, Blu-ray player, streaming video, etc.) at this point before it is forwarded to the output stage. Some AV receivers enable the viewer to use a remote control to select which input device or source to use.
  4. Audio output: Systems consist of
    speaker enclosure
    ). Some users have 7.1 Surround Sound. It is possible to have up to 11 speakers with additional subwoofers.
  5. Video output: A large-screen display, typically an
    movie screen
    . If a projector is used, a portable, temporary screen may be used,a screen may be permanently mounted or the image may be projected directly on a wall.
  6. Seating and atmosphere: Comfortable seating is often provided to improve the cinema feel. Some luxury home cinemas have
    movie theatre
    -style padded chairs for guests. Higher-end home theaters commonly also have sound insulation to prevent noise from escaping the room and specialized wall treatment to balance the sound within the room. Wall color can be optimized.

Component systems vs. theater-in-a-box

game console
). The equipment is on a TV stand.

Home cinemas can either be set up by purchasing individual components one by one (e.g., buying a multichannel amp from one manufacturer, a Blu-ray player from another manufacturer, speakers from another company, etc.) or a by purchasing a

HTIB
(Home Theater in a Box) package which includes all components from a single manufacturer, with the exception of a TV or projector. HTIB systems typically include a DVD or Blu-ray player, a surround sound amplifier, five surround speakers, a subwoofer cabinet, cables and a remote. The benefit of purchasing separate components one by one is that consumers can attain improved quality in video or audio and better matching between the components and the needs of a specific room, or the consumer's needs.

However, to buy individual components, a consumer must have knowledge of sound system and video system design and electronics and they must do research on the specifications of each component. For instance, some speakers perform better in smaller rooms while others perform better in larger rooms and seating location must be considered. One of the challenges with buying all the components separately is that the purchaser must understand speaker impedance, power handling, and HDMI compatibility and cabling. Given these challenges, HTIB systems are a simpler and more cost-effective solution for many families and consumers; they are also better suited to smaller living spaces in semi-detached homes or apartments/condos where noise could be an issue. Buying an HTIB package is often less expensive than buying separate components.

Dedicated rooms

A large projection screen in a media room
This example is of home theater screening room with video projector mounted in a box on the ceiling. Built-in shelves provide a place for movie decor, DVDs, and equipment. Note the component stack on the right, where the audio receiver, DVD player, secondary monitor, and video game system are located.

Some home cinema enthusiasts build a dedicated room in their home for the theater. These more advanced installations often include sophisticated acoustic design elements, including room-in-a-room construction that isolates sound and provides an improved listening environment and a large screen, often using a high-definition projector. These installations are often designated as screening rooms to differentiate them from simpler, less-expensive installations. In some movie enthusiast's home cinemas, this idea can go as far as completely recreating an actual small-scale cinema, with a projector enclosed in its own

snack food
and candy. More commonly, real dedicated home theaters pursue this to a lesser degree.

As of 2016, the days of the $100,000 and over home cinema system are being usurped by the rapid advances in digital audio and video technologies, which has spurred a rapid drop in prices, making a home cinema set-up more affordable than ever before. This in turn has brought the true digital home theater experience to the doorsteps of the

do-it-yourselfers, often for much less than the price of a low-budget economy car. As of 2016, consumer-grade A/V equipment can meet some of the standards of a small modern commercial cinema (e.g., THX
sound).

Seating

Home cinema seating consists of chairs or sofas specifically engineered and designed for viewing movies in a home cinema. Some home cinema seats have a cup holder built into the chairs' armrests and a shared armrest between each seat. Some seating has cinema-style chairs like those seen in a cinema, which feature a flip-up seat cushion. Other seating systems have plush leather reclining lounger types, with flip-out footrests. Available features include storage compartments, snack trays, tactile transducers for low-frequency effects that can be felt through a chair (without creating high volume levels which could disturb other family members), and electric motors to adjust the chair. Home cinema seating tends to be more comfortable than seats in a public cinema.

Backyard cinema

In homes that have an adequately sized backyard, it is possible for people to set up a home cinema in an outdoor area. Depending on the space available, it may simply be a temporary version with foldable screen, a video projector and a couple of speakers, or a permanent fixture with a huge screen and dedicated audio set-up mounted in a weather-proof cabinet. Outdoor home cinemas are popular with BBQ parties and

car radios
.

History

1920s–1940s

In the 1920s the first home cinemas were made using silent 16mm film projectors such as Kodascope and Filmo. Later, in the 1930s, 8mm and sound 16mm were introduced. These were rare luxuries.

1950s–1970s

In the 1950s, home movies became more popular in the United States and elsewhere as

home movies of family travels and celebrations, but they also doubled as a means of showing some commercial films, or private stag films
. Dedicated home cinemas were called screening rooms at the time and were outfitted with 16 mm or even 35 mm projectors for showing commercial films. These were found almost exclusively in the homes of the very wealthy, especially those in the movie industry.

Portable home cinemas improved over time with colour film, Kodak

Super 8 mm film cartridges, and monaural sound but remained awkward and somewhat expensive. The rise of home video
in the late 1970s almost completely killed the consumer market for 8 mm film cameras and projectors, as VCRs connected to ordinary televisions provided a simpler and more flexible substitute.

1980s

The development of multi-channel audio systems and LaserDisc in the 1980s added new dimensions for home cinema. The first-known home cinema system was designed, built and installed by Steve J. LaFontaine as a sales tool at Kirshmans furniture store in Metairie, Louisiana in 1974. He built a special sound room that incorporated the earliest quadraphonic audio systems, and he modified

Sony Trinitron
televisions for projecting the image. Many systems were sold in the New Orleans area in the ensuing years before the first public demonstration of this integration occurred in 1982 at the Summer Consumer Electronics Show in Chicago, Illinois. Peter Tribeman of NAD (U.S.) organized and presented a demonstration made possible by the collaborative effort of NAD, Proton, ADS, Lucasfilm and Dolby Labs, who contributed their technologies to demonstrate what a home cinema would look and sound like.

Over the course of three days, retailers, manufacturers, and members of the consumer electronics press were exposed to the first home-like experience of combining a high-quality video source with multi-channel surround sound. That one demonstration is credited with being the impetus for developing what is now a multibillion-dollar business.

1990s

In the early to mid-1990s, a typical home cinema would have a LaserDisc player or VHS VCR fed to a large screen: rear projection for the more-affordable setups, and LCD or CRT front-projection in the more-elaborate systems. In the late 1990s, a new wave of home-cinema interest was sparked by the development of DVD-Video, Dolby Digital and DTS 5.1-channel audio, and high-quality front video projectors that provide a cinema experience at a price that rivals a big-screen HDTV.

2000s

rear projection television

In the 2000s, developments such as

DTS-HD High-Resolution Audio and DTS-HD Master Audio and speaker systems with more audio channels (such as 6.1, 7.1, 9.1, 9.2, 10.2, and 22.2
) were also introduced for a more cinematic feeling.

2010s

A store display for a home cinema package at a consumer electronics retailer. Some stores bundle home cinema components into a package which can be purchased for a lower cost than buying each component separately.

By the mid-2010s, the Blu-ray Disc medium had become a common home media standard, and online video streaming sources such as Netflix, Hulu and YouTube were offering a range of high-definition content, including some 4K content (although various compression technologies are applied to make this streamed content feasible). The first 4K Blu-ray discs were released in 2016. By this point, 4K TVs and computer monitors were rapidly declining in price and increasing in prevalence, despite a lack of native 4K content. While many DSP systems existed, DTS-HD Master Audio remained the studio standard for lossless surround sound encoding on Blu-ray, with five or seven native discrete channels. High-definition video projectors also continued to improve and decrease in price, relative to performance.

As a result of continuing price reductions, large (up to 80'') TVs became a financially competitive alternative to video projectors in living room or even smaller dedicated room setups.[6] Technologies such as local dimming and the like improved the black levels of LCD screens making them more suitable for use in a dark room. Consumer-grade OLED TVs measuring 55'' and above began to emerge in the second half of the decade. These had even better black levels.[7] However, as of 2020, video projectors remained the only viable option when screen sizes much over 80'' are needed.

Entertainment equipment standards

Noise Criteria (NC) are noise-level guidelines applicable to cinema and home cinema. For this application, it is a measure of a room's ambient noise level at various frequencies. For example, in order for a theater to be THX certified, it must have an ambient sound level of NC-30 or less. This helps to retain the dynamic range of the system.[8] Some NC levels are:

  • NC 40: Significant but not a dooming level of ambient noise; the highest acceptable ambient noise level. 40 decibels is the lower
    sound pressure level
    of normal talking; 60 being the highest.
  • NC 30: A good NC level; necessary for THX certification in cinemas.
  • NC 20: An excellent NC level; difficult to attain in large rooms and sought after for dedicated home cinema systems. For example, for a home cinema to be THX certified, it has to have a rating of NC 22.[9]
  • NC 10: Virtually impossible noise criteria to attain; 10 decibels is associated with the sound level of calm breathing.

Projectors used for home cinemas have a set of recommended criteria:

  • Brightness, usually at least 1800 lumens.
  • Resolution (the number of
    HDTV
    standards.
  • Contrast (how well white, black and greyscales are displayed), usually a minimum of 5000:1.[further explanation needed]
  • HDMI connection sockets (although some people use older component video, connections with three-cord sockets for the different individual colours)
  • Good quality manufacturers, although this is a subjective element that depends upon user tastes and budget. For one user with a modest budget, good quality may mean a mainstream consumer electronics brand; for a well-to-do user, a Christie projector may be their interpretation of good quality (Christie units are widely used in professional, commercial theatres)

See also

References

  1. ^ Fröber, K., & Thomaschke, R. (2019). In the dark cube: Movie theater context enhances the valuation and aesthetic experience of watching films. Psychology of Aesthetics, Creativity, and the Arts. Advance online publication.
  2. ^ Arnold, Andrew. "Convenience Vs. Experience: Millennials Love Streaming But Aren't Ready To Dump Cinema Just Yet". Forbes. Retrieved 21 May 2021.
  3. ^ "Edison's 22mm Home Kinetoscope". Hugh M. Hefner Moving Image Archive, University of Southern California. Retrieved 9 December 2023.
  4. ^ "How Much Cash Do I Need for a Home Theater Setup?". about.com. Retrieved 5 April 2018.
  5. ^ Feldstein, Justin. "Next Generation Televisions: Beyond Conventional LED and LCD Technologies". Audio Den. Retrieved 11 April 2015.
  6. ^ "Is there any reason to own a projector when big TVs are so cheap? Glad you asked". Digital Trends. 29 December 2017. Retrieved 17 March 2018.
  7. ^ "OLED vs LED LCD: Which is the best display technology? | Trusted Reviews". Trusted Reviews. 12 September 2017. Retrieved 17 March 2018.
  8. ^ Wood, Mike (2002). "Design the Ultimate Home Theater—On a Budget." Home Theater.
  9. ^ DeBoer, Clint (2007)."THX Certified Home Theater Program." Audioholics Online A/V Magazine.

External links