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What is HDTV? How HDTV Works?

When the first high-definition television (HDTV) sets hit the market in 1998, movie buffs, sports fans and tech aficionados got pretty excited, and for good reason. Ads for the sets hinted at a television paradise with superior resolution and digital surround sound. With HDTV, you could also play movies in their original widescreen format without the letterbox "black bars" that some people find annoying.

But for a lot of people, HDTV hasn't delivered a ready-made source for transcendent experiences in front of the tube. Instead, people have gone shopping for a TV and found themselves surrounded by confusing abbreviations and too many choices. Some have even hooked up their new HDTV sets only to discover that the picture doesn't look good.

Fortunately, a few basic facts easily dispel all of this confusion. In this article, we'll look at the differences between analog, digital and high-definition, explain the acronyms and resolution levels and give you the facts on the United States transition to all-digital television. We'll also tell you exactly what you need to know if you're thinking about upgrading to HDTV.

Source: Howstuffworks

Technical Archives related to HDTV:
Wireless HDTV solves issues that compression cannot 2008-11-13
Read about wireless uncompressed HDTV and suggestions on how to implement it
Understand interlaced video, de-interlacing techniques 2008-09-22
Know the basics on how to get the most out of the images on your television screen.
Home coax streams multiple HD video signals 2008-09-18
A home network must support high quality video without degradation, in a manner consistent with current operators' broadcast reliability.
SEDs, FEDs transform HDTV experience 2008-06-01
Field emission and surface-conduction electron-emitter displays are set to provide an enhanced HDTV experience for the consumer at affordable cost. This article discusses the similarities and differences between SED and FED, and their effect on performance
Achieve the required bandwidth for IPTV systems 2008-02-01
Along with the rapid increase in IPTV subscribers, there are two amplifying trends that will pose significant challenges and opportunities to network designers: video-on-demand (VoD), and the shift to high-definition TV (HDTV
Network triple-play video on coax 2007-11-16
This article discusses the requirements from the network and recommends coaxial wiring as a good backbone for entertainment networking in the home.
Testing 802.11n systems: Antenna configuration analysis 2007-08-15
This article provides numerous charts to illustrate which systems and chipsets perform best based on antenna configuration, and to show the throughput drop-off rate in homes and offices.
The impact of DRM on network security design 2007-02-28
This article examines digital rights management in HDTV networks, and the impact that security has on the infrastructure of network systems
New video-compression standards work to meet test challenges 2006-04-05
Appropriate test and analysis tools can facilitate the development and implementation of new video-compression standards.
Delivering motion pictures over the Internet: IPTV 2006-01-01
There are ways to improve the IPTV service and, by doing so, usage of the technology will likely grow.
LCD: Fine on the outside, not so fine on the inside 2005-07-18
For today's LCDs, the inner design architecture is the only indication of whether the device is worth the price you paid for
MATLAB: The sleeper ESL hit 2005-05-18
The article discusses MATLAB, a new design entry language for next-generation SoCs. It looks at its advantages versus SystemC and SystemVerilog and its applicable design flow.
Picture-perfect resolution for high-definition TVs 2005-05-02
Find out how LCoS displays give real-life pictures and high-resolution functionalities for HDTVs
Intra-panel interface for large TFT-LCD apps 2005-05-02
Large-size, high-resolution TVs are adapting new interface design protocols to address market demand
Intelligent amps enhance home theater audio 2004-12-16
As theaters seek for the best sound experience, the consumer firms follow with their best attempts to recreate the theater experience in the home.

New Products related to HDTV:
Motherboard includes HDTV support 2007-04-19
Lanner said customers can take advantage of the onboard HDTV support in its new EM-9765 motherboard to create more exciting and visually spectacular signage solutions
ADI buffers allow two HDMI inputs for HDTV 2008-04-22
Analog Devices' HDMI buffers enable designers to add up to two HDMI inputs to the front-panels of flat-screen HDTV models
Micronas promises to deliver HDTV quality to LCD, Plasma TVs 2005-09-07
Micronas unveiled a highly integrated IC family that promises to take HDTV picture quality on LCD and Plasma TVs to new levels of performance
HDTV-on-a-chip supports 1,080 display resolution 2006-12-13
Broadcom Corp. announced a "television-on-a-chip" which it touts as the first digital HDTV silicon solution to support full 1,080-progressive display resolution. The BCM3563 features two National Television Systems Committee/PAL video decoders
TV tuner card for China HDTV broadcast debuts 2008-01-22
ViXS Systems has launched a low-cost digital terrestrial TV tuner card ref design that will allow users to capture, display and record HDTV broadcast programs on their PC or laptop
Compression CODEC enables HDTV video transmission 2007-10-09
ADI has introduced a video compression CODEC that enables a rich viewing experience for consumers with high-definition home entertainment systems by enabling the wireless transmission of HD video in real-time without any loss in picture quality over home connections.
Multiplexers expand input capability for HDTV 2006-08-24
Maxim Integrated Products has solved the issue of fine-tuning filter cut-offs in anti-aliasing and reconstruction filters by introducing four video filters.
LCD TV chip delivers H.264/MPEG-4 2008-02-18
NXP has introduced what it claims as the world's first single-chip LCD TV solution to deliver HDTV picture quality for advanced H.264 broadcast and MPEG-4 Internet content
STMicro introduces dual-channel DTV solution 2006-01-19
STMicro's dual-channel DTV solution, the DTV100, is a production-ready reference design based on the company's STD2000 single-chip HDTV processor
Auvitek launches demodulator family for TV apps 2007-01-11
Auvitek International Ltd has announced the AU852x family of 6th generation HDTV and ATV Demodulators. All of these ICs provide leadership performance in ATSC (8-VSB), digital cable (QAM) and legacy analogue TV applications
LSI Logic offers ATSC-compatible DVD chips 2005-12-08
LSI Logic Corp. has introduced DoMiNo 8633 and 8683, HDTV DVD recorder system processors that are highly-integrated, single-chip processors capable of simultaneously decoding and displaying HDTV content, while recording content onto DVD
Conexant's video recorder targets PVR apps 2007-01-10
Conexant Systems Inc. has introduced two video decoders for PVR-enabled STBs used to receive HDTV programming in worldwide networks
HDMI switches connect multiple devices to digital TV 2007-08-27
TI has introduced two new video switches for DVI or HDMI that connect multiple digital video signals coming from devices such as game consoles, STBs or DVD players to a single HDTV display
Tuner, demodulator meet DVB-S2 standard 2008-09-15
STMicroelectronics has launched a new STB 'front-end' chipset for digital satellite HDTV equipment
400Mbps powerline chip suits multimedia apps 2007-10-23
DS2 will start demonstrating a 400Mbps powerline chip suited for products targeting very high bandwidth home networking apps such as multi-room IPTV and HDTV networked services and multiple video streams

News & Trends related to HDTV:
Consumer interest drives HDTV market 2007-06-19
HDTV market is expected to rise due to strong interest shown by consumers spanning all household incomes, revealed a new survey from Hitachi America
Toshiba licenses Rambus' HDTV memory tech 2007-12-19
Toshiba has licensed Rambus' XDRTM memory controller interface cell (XIO) and XDR memory controller (XMC) for next-generation HDTV chipsets
Arrow, Innor partner on HDTV solution 2005-11-08
Arrow Asia Pac Ltd and independent design house (IDH) Innor Tech of Hong Kong have formed an exclusive partnership to market an HDTV solution based on a Texas Instruments chip
ST, Sagem to target HDTV capable models 2005-11-29
Sagem Communication will start selling MPEG4 capable set-top boxes based on a single-chip decoder from ST Microelectronics targeted at HDTV capable models from this month onwards
Micronas tapes-out HDTV chip with Synopsys solution 2006-06-29
Synopsys Inc. has announced that Micronas has taped-out one of its HDTV chips using Synopsys' IC Compiler physical implementation solution
Amimon demos interface for HDTV video 2007-02-16
Start-up Amimon Ltd has demonstrated a prototype of its wireless high-definition interface for HDTV video at the 2007 International Consumer Electronics Show using technology based on a variation of 802.11n that can deliver up to 1.5Gbps
HDTV to grow slowly in APAC 2006-12-04
Despite flat-panel TV sets becoming HDTV-capable and more affordable, the number of broadcasters delivering commercial HDTV content are still limited in Asia Pacific, said In-Stat in its Asia Pacific HDTV market sets off in 2006 report
Brazil selects Japan's ISDB standard for HDTV 2006-07-04
In return for a possible semiconductor production plant, Brazil has selected Japan's ISDB standard for HDTV, and gets technology transfers, investments and financing in return
APAC HDTV content to hit Rs.35,560.72 crore in 2012 2007-04-04
Despite the barriers holding back the widespread HDTV content delivery in the Asia-Pacific region, total consumer revenue from HDTV content broadcasted in the region will jump from Rs.14,118.40 crore in 2006 to Rs.35,560.72 crore by 2012, according to a recent research from In-Stat
HDTV return rate rises due to consumer confusion 2007-12-27
There are many factors behind the dirty little secret of HDTV¡ªan unsettling number of sets are returned to the retail outlets where they are purchased¡ªincluding still-maturing technology and consumer confusion about HD
HDTV audio platform cuts design costs 2008-09-18
Analog Devices Inc. rolled out a TV audio platform said to lower HDTV manufacturer design costs
Strong sales of HDTV, CE to continue, says Sony exec 2006-08-08
According to an executive for Sony Electronics Inc., strong sales of HDTVs and other consumer electronics are projected to continue the second half of the year.
Hitachi chooses Cypress clock for HDTV 2006-10-27
Hitachi Ltd. has chosen Cypress Semiconductor clocks for the Wooo 9000 series HDTVs. Five Cypress products have been designed-in to provide the precise timing necessary for the advanced Wooo systems.
HDTV unit shipments to reach 241.2M 2008-10-29
For most consumers, they don't exactly know what High Definition (HD) is but they know they want it.
ST, Microsoft partner on HDTV STBs 2006-05-08
STMicroelectronics (ST) is planning to demonstrate the compatibility of a chip for HDTV STBs and other digital consumer equipment with the Windows CE 5.0 from Microsoft

Application Notes related to HDTV:
HDTV 8x1 and 10x1 modular multiplexers 2002-03-18
This application note describes how modular multiplexers provide an optimal solution for video design engineering.
High-resolution video using the DM642 DSP and the THS8200 triple DAC 2004-12-01
This app note gives a brief discussion on the HDTV standards; and demonstrates the hardware requirements/implementation for interfacing the DM642 video port to a THS8200
Clarity and understanding: Important issues to consider in the high-speed WLAN standards debate 2002-05-10
Clarity and understanding: Important issues to consider in the high-speed WLAN standards debate
Set Top Box Over-Voltage and Over-Current Protection 2003-05-26
In the last few years the number of set top
Delivering toll quality VoIP during rapid, large scale deployment 2008-10-03
Cable operators deploying VoIP need to ensure they have a focused service-quality testing.
Why do Set Top Boxes need Circuit Protection? 2003-05-29
7 Set Top Boxes include cable set top boxes, satellite receivers,

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