Digital signal processors (DSPs) continue to receive a great deal of attention in new product design. For example, digital filter design reflects the importance of understanding and using this ...

Sony’s latest software add-on is making HDR and graduated neutral density filters look a little old school. Launched today, Digital Filter is an app for Sony cameras designed to mimic the effect of ...

In the wonderful world of integrated circuits, filters play a key role in many important functions within a system design. There are many types of filter architectures from which to choose, but one of ...

Compared to their analog counterparts, digital filters offer outstanding performance and flexibility. Designing digital filters can seem a daunting task, however, because of its seemingly endless ...

There are two approaches to the use of optical filters with digital cameras. The first asserts that any extra glass inserted in the light path between the subject and the image sensor can degrade the ...

With Pentax cameras offering custom images options as well as digital filters that allow the user to add distinctive visual effects, it's now easier than ever to capture and produce creative images.

RedShark Technical Editor, Phil Rhodes, reviews Tiffen's new standalone and plug-in package of digital filters that mimics its popular line of optical filters. Many companies produce software for ...

One could be forgiven for thinking 2017 was The Year of the Filter Bubble. While Eli Pariser introduced the world to the term half a decade ago, this was the year it seemed to really take off. You ...

CATALOG DESCRIPTION: Recursive and nonrecursive digital filters, decimation and interpolation, A/D and D/A conversion as digital filtering problems. Implementation of nonrecursive filters via FFT, ...

We’ve seen a number of heart rate monitoring projects on Hackaday, but [Peter’s] electrocardiography (ECG) Instructable really caught out attention. If you’ve followed Hackaday for any period of time, ...