Blu - Ray

Blu-ray (not Blue-ray) also known as Blu-ray Disc (BD), is the name of a next-generation optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world's leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. This extra capacity combined with the use of advanced video and audio codecs will offer consumers an unprecedented HD experience.

While current optical disc technologies such as DVD, DVD±R, DVD±RW, and DVD-RAM rely on a red laser to read and write data, the new format uses a blue-violet laser instead, hence the name Blu-ray. Despite the different type of lasers used, Blu-ray products can easily be made backwards compatible with CDs and DVDs through the use of a BD/DVD/CD compatible optical pickup unit. The benefit of using a blue-violet laser (405nm) is that it has a shorter wavelength than a red laser (650nm), which makes it possible to focus the laser spot with even greater precision. This allows data to be packed more tightly and stored in less space, so it's possible to fit more data on the disc even though it's the same size as a CD/DVD. This together with the change of numerical aperture to 0.85 is what enables Blu-ray Discs to hold 25GB/50GB. Recent development by Pioneer has pushed the storage capacity to 500GB on a single disc by using 20 layers.

Blu-ray is currently supported by about 200 of the world's leading consumer electronics, personal computer, recording media, video game and music companies. The format also has support from all Hollywood studios and countless smaller studios as a successor to today's DVD format. Many studios have also announced that they will begin releasing new feature films on Blu-ray Disc day-and-date with DVD, as well as a continuous slate of catalog titles every month. For more information about Blu-ray movies, check out our Blu-ray movies and Blu-ray reviews section which offers information about new and upcoming Blu-ray releases, as well as what movies are currently available in the Blu-ray format.


With the advancements in video technology, there are many kinds of televisions that are available in consumer electronic stores. One of the latest are high-definition television (HDTVs). In these advanced televisions, there are different technologies and features used. And the most prominent feature found in these latest televisions is 1080p resolution. Many might be wondering what is 1080p resolution which is usually seen on advertisements to promote the latest video capable devices. If you are good at using today's digital gadgets, you will understand that this resolution is the best to view, when it comes to clarity. Let us know more about 1080p resolution.

What is 1080p Resolution?
In simple words, the 1080p resolution is the display quality with what the picture is shown on the screen. This picture is shown in 1920 x 1080 pixel resolution, which is why the quality gets best of all. The video quality of devices supporting a screen resolution of 1080p is so crystal clear, that we can feel like we are actually into the visual. To find out the difference in the standard picture quality and 1080p resolution, you can simply view a regular TV and an HDTV side by side. Some older HDTVs have a resolution of 720p, which is referred to as 1280 x 720 pixels. This resolution is about less than half of what 1080p resolution offers.

1080p Resolution Explained
1080p is associated with 1080 perpendicular lines of picture, counted from the top to the bottom of the actual screen. What about the 'p' in the 1080p? Is it 'pixels' or something else? Contrary to the misconception, the 'p' in 1080p, stands for 'progressive', which portrays that the picture is loaded from top to bottom, with every single frame being scanned and displayed accurately. The incorporation of these 1080 lines and the fine scanning of each frame is what gives us the best picture quality. Prior to the advent of 1080p resolution, HDTVs used 1080i that relates to the manner in which the picture is scanned in each frame. Along with televisions, companies are also introducing 1080p display standards in laptop computers. You can find laptops that support 1080p, manufactured by big giants such as Sony, Dell, and Toshiba.

Buying 1080p Resolution HDTVs
If you want to purchase a 1080p HDTV, you will have to spend more as compared to what you will need to pay for a regular flat screen television. You might have to spend somewhat $250 - $500 over the price of a standard TV. If you want to experience the clearest of video viewing, it is suggested to go in for 1080p HDTVs. The premium that you have to pay for buying a 1080p HDTV is not so much, and for getting this awesome picture quality, it is certainly worth it. There are many DVD movies which are being produced in this high quality resolution. However, for playing them, you will have to use a Blu-ray player. If you view advanced video databases on the Internet, you will find that the picture quality is better than what it was before. The reason is that more video sharing websites have started to use 1080p resolution in their videos, which has improved online video viewing experience considerably.

I hope after going through this article, you might have got a basic idea as to what is 1080p resolution. This is by far the latest display resolution that you can get in videos. However, no one knows what new video resolution concepts may arise in the future. If you want to be entertained with the best video technology, 1080p is your best bet.
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