Wed . 19 May 2019

Home cinema

home cinema, home cinema furniture
Home cinema, also called home theater or home theatre, refers to home entertainment audio-visual systems that seek to reproduce a movie theater experience and mood using consumer electronics-grade video and audio equipment that is set up in a room or backyard of a private home In the 1980s, home cinemas typically consisted of a movie pre-recorded on a LaserDisc or VHS tape; a LaserDisc or VHS player; and a heavy, bulky large-screen cathode ray tube TV set In the 2000s, technological innovations in sound systems, video player equipment and TV screens and video projectors have changed the equipment used in home theatre set-ups and enabled home users to experience a higher-resolution screen image, improved sound quality and components that offer users more options eg, many of the more expensive Blu-ray players in 2016 can also "stream" movies and TV shows over the Internet using subscription services such as Netflix The development of Internet-based subscription services means that 2016-era home theatre users do not have to commute to a video rental store as was common in the 1980s and 1990s nevertheless, some movie enthusiasts buy DVD or Blu-ray discs of their favourite content

As of 2016, a home cinema system typically uses a large projected image from a video projector or a large flat-screen high-resolution HDTV system, a movie or other video content on a DVD or high-resolution Blu-ray disc, which is played on a DVD player or Blu-ray player, with the audio augmented with a multi-channel power amplifier and anywhere from two speakers and a stereo power amp for stereo sound to a 51 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 51 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

Contents

  • 1 Introduction
    • 11 Recent developments
  • 2 Design
  • 3 Component systems vs theater-in-a-box
  • 4 Dedicated home theater rooms
    • 41 Seating
  • 5 Backyard theater
  • 6 History
    • 61 1950s-1970s
    • 62 1980s
    • 63 1990s
    • 64 2000s
    • 65 2010s
  • 7 Entertainment equipment standards
  • 8 See also
  • 9 References
  • 10 External links

Introductionedit

In the 1950s, playing home movies became popular in the United States with middle class and upper-class families as Kodak 8 mm film projector equipment became more affordable The development of multi-channel audio systems and later LaserDisc in the 1980s created a new paradigm for home video, as it enabled movie enthusiasts to add better sound and images to their setup In the mid-1980s to the mid-1990s, a typical home cinema in the United States would have a LaserDisc or VHS player playing a movie, with the signal fed to a large rear-projection television set Some people used expensive front projectors in a darkened viewing room During the 1990s, watching movies on VHS at home became a popular leisure activity Beginning in the late 1990s, and continuing throughout much of the 2000s, home-theater technology progressed with the development of the DVD-Video format higher resolution than VHS, Dolby Digital 51-channel audio "surround sound" speaker systems, and high-definition television HDTV, which initially included bulky, heavy Cathode Ray Tube HDTVs and flat screen TVs In the 2010s, affordable large HDTV flatscreen TVs, high resolution video projectors eg, DLP, 3D television technology and the high resolution Blu-ray Disc 1080p have ushered in a new era of home theater

Recent developmentsedit

In the 2000s, the term "home cinema" encompasses a range of systems meant for movie playback at home The most basic and economical system could be a DVD player, a standard definition SD large-screen television with at least a 27-inch 69 cm diagonal screen size, and an inexpensive "home theater in a box" surround sound amplifier/speaker system with a subwoofer A more expensive home cinema set-up might include a Blu-ray disc player, home theater PC HTPC computer or digital media receiver streaming devices with a 10-foot user interface, a high-definition video projector and projection screen with over 100-inch 83 ft; 25 m diagonal screen size or a large flatscreen HDTV, and a several-hundred-watt home theater receiver with five to eleven surround-sound speakers plus one or two powerful subwoofers 3D-TV-enabled home theaters make use of 3D TV sets/projectors and Blu-ray 3D players in which the viewers wear 3D-glasses, enabling them to see 3D content

Home theater 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 CRT no new models sold in US, LCD, Digital Light Processing DLP, plasma display, organic light-emitting diode OLED, Silicon X-tal Reflective Display SXRD, Laser TV, rear-projection TV, video projector, Standard-definition television SDTV, HDTV, or 3D-TV at least 27 inches 69 cm measured diagonally, an AV receiver or pre-amplifier surround processor and amplifier combination capable of at least stereo sound but preferably 51 Channel Dolby Digital and DTS audio, and something that plays or broadcasts movies in at least stereo sound such as a VHS HI-FI 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 effects1

The most-expensive home-theater 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 theater performance

Designedit

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 "movie theatre 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 theater 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 "stream" movies, TV shows and other content over the Internet Many 2016-era DVD players and Blu-ray players also have inputs which allow users to view 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 AV receiver or a preamplifier and Sound Processor for complex surround sound formats such as Dolby Pro-Logic/and or Pro-logic II, X, and Z, Dolby Digital, DTS, Dolby Digital EX, DTS-ES, Dolby Digital Plus, Dolby TrueHD and DTS-HD Master Audio The user selects the input eg, 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 preamplifiers, power amplifiers both of which may be integrated into a single AV receiver and two or more loudspeakers mounted in speaker enclosures The audio system requires at least a stereo power amplifier and two speakers, for stereo sound; most systems have multi-channel surround sound power amplifier and six or more speakers a 51 surround sound system has left and right front speakers, a centre speaker, left and right rear speakers and a low-frequency subwoofer speaker enclosure Some users have 71 Surround Sound It is possible to have up to 11 speakers with additional subwoofers
  5. Video output: A large-screen display, typically an HDTV Some users may have a 3D TV As of 2015, flatscreen HDTV is the norm Options include Liquid crystal display television LCD, plasma TV, OLED2 Home cinema users may also use a video projector and a movie screen If a projector is used, a portable, temporary screen may be used or a screen may be permanently mounted on a wall
  6. Seating and atmosphere: Comfortable seating is often provided to improve the cinema feel 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 Some luxury home cinemas have movie theatre-style padded chairs for guests

Component systems vs theater-in-a-boxedit

A mid-level home theater system consisting of large-screen LCD television, a Sky+ HD satellite TV box, and a DVD player and a Blu-ray Disc-capable PlayStation 3 game console The equipment is on a TV stand

Home cinemas can either be set up by purchasing individual components one by one eg, 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 of 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 she or he 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 As well, buying an HTIB package is often less expensive than buying separate components

An example of a HTIB arrangement in an apartment/condo setting consisting of a wall mounted LED Smart TV, 3D BluRay home theatre system which features internet connected smart features such as Netflix and YouTube, XBOX 360 S, XBOX One S, and Nintendo Entertainment System game consoles, and Bell Aliant FibreOP IPTV HD PVR box

Dedicated home theater roomsedit

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 go so far as to build a dedicated room in the 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 the potential for a nearly ideal listening environment These installations are often designated as "screening rooms" to differentiate from simpler 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 projection booth, specialized furniture, curtains in front of the projection screen, movie posters, or a popcorn or vending machine with 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 theater system is 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-yourself people, 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 theater eg, THX

Seatingedit

Home theater seating consists of chairs or sofas specifically engineered and designed for viewing movies in a home theater Some home theater seats have a cup holder built into the chairs' armrests and a shared armrest between each seat Some seating has movie-theater-style chairs like those seen in a movie 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 theater seating tends to be more comfortable than seats in a public cinema3

Backyard theateredit

In homes that have an adequately sized backyard, it is possible for people to set up a home theater in an outdoor area of their property Depending on the space available, it may simply be a temporary version with foldable screen, a video projector and 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 pool parties

Some specialist outdoor home-cinema companies are now marketing packages with inflatable movie screens and purpose-built AV systems Some people have expanded the idea and constructed mobile drive-in theaters that can play movies in public open spaces Usually, these require a powerful projector, a laptop or DVD player, outdoor speakers or an FM transmitter to broadcast the audio to other car radios

Historyedit

1950s-1970sedit

In the 1950s, home movies became popular in the United States and elsewhere as Kodak 8 mm film Pathé 95 mm in France and camera and projector equipment became affordable Projected with a small, portable movie projector onto a portable screen, often without sound, this system became the first practical home theater They were generally used to show home movies of family travels and celebrations, but they also doubled as a means of showing some commercial films, or even 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 color 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

1980sedit

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 which 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 US 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

1990sedit

RCA "Home Theatre" logo on a basic large screen rear-projection TV

In the early to mid-1990s, a typical home cinema would have a LaserDisc or VHS player 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 51-channel audio, and high-quality front video projectors that provide a cinema experience at a price that rivals a big-screen HDTV

2000sedit

A home cinema from the late 2000s, using a rear projection television

In the 2000s, developments such as high-definition video, Blu-ray Disc as well as the now-obsolete HD DVD format and newer high-definition 3D display technologies enabled people to enjoy a cinematic feeling in their own home at a more-affordable price Newer lossless audio from Dolby Digital Plus, Dolby TrueHD, DTS-HD High Resolution Audio and DTS-HD Master Audio and speaker systems with more audio channels such as 61, 71, 91, 92, 102, and 222 were also introduced for a more-cinematic feeling

2010sedit

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 very common home media standard, and online video streaming sources such as Netflix and YouTube were offering copious high definition content, including some 4K content 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 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 Video projectors also continued to improve and decrease in price relative to performance

Entertainment equipment standardsedit

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 system4 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 225
  • 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 Those criteria are:

  • Brightness, usually at least 1800 lumens
  • Resolution the number of pixels making up the image, usually at least 1920×1080
  • Contrast how well white, black and greyscales are displayed, usually a minimum of 5000:1further explanation needed
  • HDMI connection sockets
  • Reputable manufacturers, although this is largely a choice of personal preference and budget

See alsoedit

  • Home theater PC
  • Media center disambiguation
  • Media server

Referencesedit

  1. ^ http://hometheateraboutcom/od/hometheaterbasicsfaq/f/htbasicfaq8htm
  2. ^ Feldstein, Justin "Next Generation Televisions: Beyond Conventional LED and LCD Technologies" Audio Den Retrieved 11 April 2015 
  3. ^ "Create Your Own Home Theater", by Stargate Sonem, Articles Organization Free Directory
  4. ^ Wood, Mike 2002 "Design the Ultimate Home Theater—On a Budget" Home Theater
  5. ^ DeBoer, Clint 2007"THX Certified Home Theater Program" Audioholics Online A/V Magazine

External linksedit

  • The Evolution of Home Theater - Big Tech of the Small Screen

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    Home cinema beatiful post thanks!

    29.10.2014


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