CBHD
CBHD (China Blue High-Definition), formerly known as CH-DVD (China High Definition DVD), known in Chinese as (中国蓝光高清光盘) is a high definition optical disc format announced in September 2007 by the Optical Memory National Engineering Research Center (OMNERC) of Tsinghua University in China. The format was a joint venture between the DVD Forum and OMNERC in 2005, and an early prototype was demonstrated in 2007. In 2008 during the DVD Forum's 42nd Steering Committee Meeting the DVD Forum gave OMNERC the ability to edit HD DVD specifications. There are some similarities between CBHD and the DVD Forum's HD DVD format, however the video compression and copy protection will be different. CBHD will use the AVS audio and video codec, owned by the Chinese government. CBHD's developers claim the format contains more copy protection features and is part of a big push by China to fight piracy as well as cut down on royalty payments for foreign patents. In early March 2009, Warner Bros announced that they would be supporting the CBHD format, launching with titles including the Harry Potter series and Blood Diamond, with discs selling for between 50 and 70 yuan (roughly $7.25 to $10.15).
How To
Things You’ll Need:
How to Learn What You Need to Know About HD Radio
How to Learn What You Need to Know About HD Radio
This article gives you a overview of the HD radio technology and why it might be an important upgrade for you and your family.
Instructions
Difficulty: Easy
Step1
What is HD radio? HD radio is an advanced version of the regular radio we all know and love. The advanced technology of HD radio is comparable to high definition TV or HDTV. The HD radio AM stations sound as good as the regular FM stations of today, and the HD radio FM stations sound good enough to where you would swear your listening to a CD.
Step2
The sound quality of HD radio is clean, broad, and deep with no static to speak of. The high sound quality is not the only thing that makes HD radio a superior choice for your listening pleasure. HD radio also allows broadcasters to do what is called multicasting. Multicasting is broadcasting more than one station on a single frequency. If you have ever wished your favorite radio station was playing something different then your going to love HD radio for that reason alone. Most of the HD radio stations are using this extra capacity to offer a broader range of alternative music genres that have never been popular enough to warrant a station of their own in their territories. More options lead to more listeners which leads to more revenue opportunities for broadcaster so they have been happy to adopt this wonderful new system.
Step3
Another got-to-have feature of HD radio is its ability to stream messages to a display on your radio. If you have ever wondered what band was playing on the radio while your listening, or what the name of that awesome song is, you'll probably be able to find out because most stations are now using this ability to stream the names of the band and song. Others are broadcasting local news and traffic reports. One thing I must point out that unlike the forced transition we face with HDTV, HD radio will be a side offering in addition to regular radio programming. If you choose not to get a HD radio receiver you will still be able to receive your regular radio programming in the foreseeable future
Step4
According to Wikipedia, HD radio is available to eighty-three percent of the listening population with over 1600 combined AM and FM stations broadcasting in this new format. HD radio sets are available in a wide array of formats. You can get a HD radio for your home stereo system, your portable radio needs and your vehicle all if you choose to. Over 60 models of radio receivers made by Sony have the HD radio technology. Many other manufacturers have jumped on the band wagon as well. Consumer views have been luke warm up to this point because many have already found other ways to access their musical media and only use radio for traffic, news, and weather. The technology is still worth a look and I'd suggest you give it a try before shrugging it off as a fad.
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