Alpha channels are collections of luminance data that control the transparency of images, and they influence just about everything in Photoshop. Coming to terms with alpha channels, also known as masks, is a surefire way to maximize results. Omni Award-winning Photoshop expert Deke McClelland leaves no pixel unturned as he explores Refine Edge, Color Range, the Channels palette, the Quick Mask mode, channel masking, blend modes and more. After watching Photoshop CS3 Channel and Masks: The Essentials, even the most complex techniques will seem like child's play. Exercise files accompany the tutorials.

"Mastering channels and masks is one of the most vital aspects of learning Photoshop. The need for training on this topic is enormous, and Deke dives deep into all the mystery and confusion. This is yet another must-see for all Photoshop users, and for all fans of Deke's entertaining teaching style," says Lynda Weinman, CEO of lynda.com.

Anyone with an internet connection can access Photoshop CS3 Channels and Masks: The Essentials by subscribing to lynda.com's Online Training LibraryŽ. Photoshop CS3 Channels and Masks: The Essentials is an online exclusive.

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About Deke McClelland
In 1985, Deke McClelland oversaw the implementation of the first personal computer-based production department in Boulder, Colorado. In 1986, he became the artistic director for Publishing Resources, one of the earliest all-PostScript service bureaus in the United States. Deke McClelland is a well-known expert and lecturer on Adobe Photoshop, Illustrator, InDesign and the broader realm of computer graphics and design. To date, he has written 85 books that have been translated into 24 languages, with more than 4 million copies in print. In addition to videos for lynda.com, Deke produces the One-on-One book series. Published by Deke Press in association with O'Reilly Media, this series of full-color tutorials includes the best-selling Adobe Photoshop CS2 One-on-One and Adobe InDesign CS2 One-on-One.