HDTV - High Definition Television

All you need to know about HDTV!

Hardly another word makes in the world of goggle for years about which so much as a term : "HDTV" . Only the subject is in 3D lately even higher in favor of the audience . But what lies behind the term ? What will the new technology and what should I consider when shopping ? We want to answer those questions and more here !

A study in 2007 showed that at least more than 50 percent of Germans can not do anything with the term HDTV. Although now most consumers are likely to know what it is like , but which receive paths are there and what channel - it prevails today , in 2012 , still often large uncertainty . To bring more light into the darkness of the standards and terms that confuse and overwhelm the consumer part is more important .

1 Reasons for HDTV

" HDTV is the biggest TV revolution since the invention of color television ." Granted, a daring thesis from us. However , since the introduction of color TV has objectively done much technically . Only the TVs are better , cheaper and more feature-rich .

The PAL standard is the same for years and years . 576 lines , 720 lines horizontal and 50Hz refresh rate. On the device side , however, the development of hurries ahead much faster. Modern high-resolution flat-panel televisions are completely under-challenged with the normal TV signal. Only with a high-definition TV source , these devices play out its strengths .

1 Reasons for HDTV

" HDTV is the biggest TV revolution since the invention of color television ." Granted, a daring thesis from us. However , since the introduction of color TV has objectively done much technically . Only the TVs are better , cheaper and more feature-rich .

The PAL standard is the same for years and years . 576 lines , 720 lines horizontal and 50Hz refresh rate. On the device side , however, the development of hurries ahead much faster. Modern high-resolution flat-panel televisions are completely under-challenged with the normal TV signal. Only with a high-definition TV source , these devices play out its strengths .


Advantages of HDTV in the overview:

a)
sharp , sharper, HDTV
HDTV provides up to five times as sharp TV pictures of the old PAL standard.

b)
more brilliance and quality
HDTV provides not only for sharper images , but also for generally better image quality, eg terms of color brilliance . It sounds added as a marketing promise . But : After a given study commissioned by Philips MRI Heidelberg, want to use a whopping 94 % of consumers surveyed HDTV after you could admire it for the first time . In other words, " once HD , HD always " .

c )
best sound at the best image ...
In combination with modern sound standards , such as Dolby 5.1 or Dolby DTS and Dolby HD is the home theater experience hardly anything in the way. Except maybe the wherewithal for appropriate playback devices ...

d)
Convergence - pick out everything from digital camera and camera.
Every digital camera today can produce sharper images than any yet so can represent modern HDTV. So when displayed on "old" PAL TV sets they waste abound image quality. The same applies to digital video cameras in the mid to high price range .



2 Buying for HDTV - Care for goggle purchase!

Dozens terms , confusing names and crafty advertising formulations of discount stores , make the customers anything but easy to objectively inform and "right" decision . We would like to " make promotional brochure and sellers hard " to our shopping guide. Because not anywhere where it says HD , and HD 's inside ! » Buying HDTV

Consumers expect high resolution pictures and brilliant sound - at least in theory. Up their own home theater reality is , some important things should be considered to have stand no expensive " € 2,000 dust catcher " in the living room .


3 Lexicon - TV and HD terms explained simply

The countless terms in a promotional brochure for HDTV flat screen HD TVs and other devices can be quite a mess . HDMI , LCD, HD Ready , 1080i , HDCP , Blu- ray , HD and no end in sight . We can help you! Just look in a dictionary and look up the term in peace. Tip: You also use the HD - Buying
» Glossary for TV & HDTV


4 HDTV channels / HDTV sources / IPTV

Without corresponding high-resolution HDTV sources , no HDTV picture . Actually plausible. Long time Germany was largely HD - free zone. But since the beginning of 2010 , there is finally the first HD channels via IPTV. Initially, only the public broadcaster sent via IPTV in HD priority. Mediator while this picture has improved considerably . Vodafone offers a whopping 12 free HDTV channels in its IPTV service 'Vodafone TV " . But the telecom grants HD TV with an important position. In our provider comparison you find an overview of the HD offering the IPTV provider.


5 HDTV technology - everything about HDTV in detail for those interested

For technology enthusiasts and those interested we also have a detailed look at the HD technology. Read more about the background , such as compression, standards and issues around the high-definition television .
» HDTV technology Special


6 HDTV soon again on the rise thanks to IPTV ?

HDTV is slowly but surely progressing in Germany . What contribution can IPTV and how should it look like? Click here to read more on this topic.


7 Common Questions about HDTV


How high does the bandwidth for HDTV via IPTV to be?
This question is not so easy to answer . Firstly, this depends largely on the HD standard , the codec used to compress the video and audio quality and the setting of these . In DVDs , for example, the somewhat antiquated MPEG -2 standard is used for image compression. Again, there are , depending on the adjustment of the strength of the degree of compression of the known differences in quality. The latter example to make manifested by formation of small blocks on fast pans or something close engined floating image . Modern transmission method now often use the more modern MPEG-4 standard. The bandwidth can be significantly reduced as the same quality.

The sum of these reasons , therefore, a fixed measure can hardly specify which is required for HDTV via IPTV. Also available on the Internet according to the source is always different recommendations . But : Compared to the already very high quality standards for HDTV you could generalize that a DSL16000 connector is the recommended lower limit . Note that this bandwidth is whatever the DSL provider , rarely achieved in real terms . This is due to technical reasons . The German Telekom (at least 16 Mbps ) and Vodafone (at least 12Mb ) offer IPTV to date in HDTV.

Conclusion : DSL -16000 , would be sufficient if at full bandwidth availability . For high standards of quality and safety enough reserves for other Internet applications or second device ports , one sooner or later not avoid VDSL.


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