Contributors
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DVD Audio and SACD linger on
A dozen years ago there was a strong push to replace the compact disc. As Stephen Dawson explains, it hasn't worked out the way it was ... -
Tunnel security and addressing lighting challenges for optimum surveillance
Providing a clear, colour image to aid in recognition and identification of objects, even in low-light, has seen analogue cameras lose their last advantage over IP ... -
The role of the lens in optimising CCTV image quality
Image quality is vital in video surveillance, especially where the video is used to identify faces, recognise number plates or in automated image analysis applications. There ... -
The truth about 4K resolution
When you are used to the big numbers in digital still photography, digital video seems positively wimpy. These days, digital cameras with a resolution in the ... -
Don’t be LED astray
LEDs, despite their inherent benefits, can be incredibly frustrating. Lighting designer Sue Stokes explains. -
Effective lighting in retail environments
Effective lighting in retail environments is widely regarded as an important sales tool, writes Sue Stokes. -
Think long and hard before accepting a job
Assessing the viability of a project is an important part of running a small electrical contracting firm. -
The ethics of estimating
When it comes to estimating, ethics isn’t just a suggestion. It’s the law. -
What you need to know about speaker wiring
Much is said about the sound quality of speaker wires. Anthony Grimani aims to dispel some common myths and advises on how to properly handle speaker ... -
The role of F-numbers in projectors
Photographic enthusiasts are intimately familiar with concepts such as aperture and F-numbers, says Stephen Dawson. But do users of projectors need to know about these?