Touch controls are not only used to switch devices on or off. They can also be used to control different functions. One good example is the TV remote control. If it is very important to keep the ...

When Nokia announced their music player capable phones they neglected to mention the lack of support for external headphones. Since the release of the 6230 and its related family with mp3/aac playback ...

According to a quick scan of professional audio forums, a perennial question is how to build a purist balanced volume controller. Two recurring themes are H-pad attenuators and dual-gang pots. H-pads ...

At $600, SPARTAN 30 promises low distortion volume control for use with active speakers or headphones. Volume Control: An active volume control circuit with a balanced output eliminates the need for ...