Guide Plus


Guide Plus

Guide Plus+ (in Europe), TV Guide On Screen and Guide Plus+ Gold (in Northern America) or G-Guide (in Japan) is an interactive electronic programme guide (EPG) system that is used in consumer electronics products, such as television sets, DVD recorders, personal video recorders, and other digital television devices. It offers interactive on-screen programme listings that enable viewers to navigate, sort, select, and schedule television programming for viewing and recording. The differing names are only for marketing purposes -- the entire system is owned by Gemstar TV Guide.

How it works

It launched in the United States and Japan in the mid-1990s, and is now being deployed throughout Europe. It is available in France, Germany, Spain, the UK, Austria, Switzerland, the Netherlands, Belgium, and Italy.

The updated programme listings are provided to users free-of-charge, regardless of whether they receive their television signal from an over-the-air (OTA) broadcast or via cable TV or Satellite TV. The service is supported by advertising.

The original analog TV service uses the vertical blanking interval (VBI) of television stations that datacast the service, similar to the way closed captioning and teletext are broadcast. This takes 24 hours to download on initial setup because the required data is sent at a low bitrate.

Digital television

The new service, launched in the United States in 2006, is entirely digital, using the ATSC digital television standard. While this will significantly improve the service, older systems will no longer be able to download listings once analog shutdown is done in early 2009.update after|2009|1|1

It should be noted that the Program and System Information Protocol (PSIP) within the ATSC standard already allows for each station to send out its own EPG information, and in the U.S. the FCC in fact requires stations to do so for OTA (but not cable, unless they are rebroadcasting an OTA station that provides the PSIP data). However, actual implementation is rather spotty, and usually very minimal -- stations often don't have full descriptions (or even correct information) on the current show, much less the next 3 hours required of them, or the 16 days worth of guide information that can be transmitted. Additionally, ATSC tuners are not required to even show the EPG, only the very limited information for the current show on the current channel.

While the TV Guide service also requires software in the TV or other device, and licensing fees or royalties to be paid to Gemstar TV Guide, it also offers a more complete solution for broadcast television, more like digital satellite or digital cable.

Supported products

The following brands have compatible products:
*JVC
*Matsushita (Panasonic)
*Mitsubishi
*Philips
*Thomson (RCA, GE, and ProScan)
*Samsung
*Sharp
*Sony
*Pioneer
*Daewoo
*LG Group

Gemstar also produced EPG computer software bundled with analog NTSC TV tuner cards made by ATI Technologies, particularly the TV Wonder and All-in-Wonder lines. ATI switched to rival TitanTV for its digital ATSC cards, however. Fact|date=November 2007

ee also

NexTView

External links

* [http://www.europe.guideplus.com Guide Plus]
* [http://www.tvgos.com TV Guide On Screen]
* [http://zebrablog.net/hilitec/index.php/2007/02/26/23-le-service-guide-plus-de-gemstar-en-suisse-romande-fonctionne-avec-un-graveur-dvd-de-salon-sony-rdr-hx727 Configuring Guide Plus+ for the French part of Switzerland]


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