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professional sound equipment information exists in a large variety of formats and genres (facts, opinions, professional sound equipment stories, interpretations and so on). This information has been created to inform, persuade and educate you on all that you ever need to know about professional sound equipment. The quality ranges from poor to brilliant with lots of shades in between.

This website has been developed from painstaking research covering all areas of professional sound equipment. We undertook this research initially for ourselves because we have a genuine interest in professional sound equipment. We now wish to share this information with you so that you can directly benefit from our research. When you click on our links and follow our leads you can be confident that we have trod the road ahead and discovered the highest quality information. Digital Imaging Explained

by: Warren Lynch

Digital Imaging is a process where an electronic photograph, scanned document, or image is converted into a series of electronic dots called pixels. Pixels is an acronym for "picture elements".

After the image is converted, or digitized, it is stored on a memory storage device which may be a hard drive or some sort of electronic storage device such as a memory stick. The pixels are stored in a compressed format to save storage space.

As each pixel is being created it is assigned a color value, called a tonal value, of black, white, shades of grey, or an actual color. These pixels must be processed by a piece of software in order for them to be called up and viewed as an actual image later.

Traditional cameras capture images onto film while digital cameras use an electronic chip known as a Charged Coupling Device (CCD). The CCD is actually a grid of miniature light-sensitive diodes. These diodes convert photons (light) that strikes them into electrons (electrical impulses). The technical name for these diodes is 'photosite'. The brighter the light is that hits the photosite the stronger the electrical charge is that's produced.

After converting the photons into electrons, a mini-computer, located inside of the camera, reads the stored electrical value in each photograph. Then a built-in analog-to-digital converter turns the stored electrical value into a digital value. These digital values are then stored on the cameras memory storage device. When these digital values are recalled by software, and displayed on a screen, they reproduce the image that was originally captured by the camera or digital input device.

The digital image that is created by the CCD is huge. It's far too big to be easily stored in the relatively little amount of storage space that's available to a digital camera. Accordingly, the camera's computer compresses the image to make it smaller.

There are two basic methods for achieving this compression. The first method takes advantage of repetitive patterns in the image. For example, if you are taking a picture of an airplane that is flying in the sky, a lot of the picture will be a chunk of blue sky. The camera recognizes that there are multiple parts of the image containing the same digital information, so it only records a small piece of the sky. Then it simply creates a map to tell it where the rest of the sky belongs. When the picture is ultimately displayed the sky appears exactly the same as it did in the original image when it was first captured. The only difference is that the overall storage requirements were reduced thanks to the camera's clever mapping techniques.

The other method uses a procedure called irrelevancy. This methodology automatically removes digital information that is not visible to the human eye such an infra red light.

Digital imaging is amazing yet we have only started witnessing the revolutionary changes that are yet to come.

About The Author

Warren Lynch has been shooting commercial photography since 1979. Clients include Several Regional and National accounts. Sign up for"The Digital Dose" and receive his tips every other week for FREE! http://www.photopheed.com.
contact@photopheed.com

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Important privacy considerations when shopping for professional sound equipment

The Internet is fast becoming the dominant medium for business and communication, but it still resembles something of a frontier, because there is little regulation. If you are looking for professional sound equipment then you are doing so in an unregulated marketplace. Most efforts have relied on the Internet industry to police itself. Although there has been some notable success with self-policing, continued abuses have increased calls for government intervention. That's where our role in pre-checking professional sound equipment sites comes in. Our professional sound equipment provider is solid and reliable.

Some aspects of the Internet could undoubtedly use some regulation, but this task is not as simple as it may seem. The very nature of the Internet makes it difficult, if not impossible to regulate. However in the midst of this many professional sound equipment retailers survive and prosper. At the same time, the absence of regulations means that everyone who uses this essentially public network can be a target for anyone who has the technical know-how and the will to invade their privacy. Privacy was foremost in our minds when sourcing the right professional sound equipment retailer for you. Their link appears below.

While the threat from hackers is low for individuals, a more serious threat to personal privacy comes from unscrupulous professional sound equipment companies that operate websites for quick quids. Many professional sound equipment sites require you to register before you can use its services. Often you must provide personal information, such as your name, street address, and e-mail address. Then as you browse the site, data is collected as to which pages you visited, how long you remained on each page, the links you clicked, what terms you searched, and so on. After a number of visits to the site, a personal profile emerges. The question is, what do professional sound equipment site operators do with this information?

Most claim that they use it to personalize your experience on the site. For instance, if a professional sound equipment site learns that you are interested in professional sound equipment, the next time you visit the site, you might be presented with an article or advertisements for that and related products. But some professional sound equipment websites sell this information to marketers, which means that you may find yourself receiving unwanted catalogs from garden suppliers. Our preferred retailer does not do this.

We feel so confident that your professional sound equipment shopping experience will be a good one that we have built this site so that you can go straight to the prime professional sound equipment retailer without wasting a lot of time checking out vast numbers of very ordinary providers.

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