Sometimes, when you plug an audio line from a desktop computer into a stereo receiver or amplifier, an annoying hum comes through the speakers along with the music. You stop the music and the hum is ...

Some of the simplest solutions to annoying hum in computer speakers involves just checking all the connections and making sure everything is plugged in tight. Audio cable transmits sound as ...

A few summers of my misspent youth found me working at an outdoor concert venue on the local crew. The local crew helps the show’s technicians — don’t call them roadies; they hate that — put up the ...

Dubbed the “pin 1 problem” (pin 1 is shield in XLR connectors) by Neil Muncy, common-impedance coupling has been inadvertently designed into a surprising number of products with balanced interfaces.

AKM Semiconductor introduced the AK4203 and the AK4204, capacitor-less audio/video line drivers. The AK4203/4 has an integrated charge pump that generates an internal negative rail, enabling ...