When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In virtually every television environment audio hum can be a problem, either in a studio or out ...

I bought a new TV today, a Vizio 26" LCD. I have digital cable with HD enabled. When I plug the component output plus stereo L/R of my Motorola DCT6412 III into the TV and select "Component" on the TV ...

I got these speakers yesterday for my computer and hooked them up. They sound fantastic when there's something going through them, but when not in use or even turned off, they emit a buzzing noise.

The low-cost composite passive filter in this Design Idea requires no dc power and can enhance the performance of audio equipment and instrumentation by rejecting power-supply hum and spurious pickup ...