For those who need to be able to carry their computer with them wherever they’re traveling, a laptop computer is the perfect choice. However, the downside to a laptop is you cannot easily replace ...

Stereophile magazine's John Atkinson loved the Asus Xonar Essence ST/STX sound cards. They are, by far, the least expensive way of turning a PC into a genuine high-resolution audio source. Ex-movie ...

The circuit is aimed to build a computer sound card with input line in order to use a two mono stereo microphone. TLC272 – a precision dual operational amplifier with low offset voltage drift, low ...

A sound card allows computers to have sound. Pretty simple, right? But let’s dig deeper. Here’s a closer look at the tech that defines a sound card, and what to know if you want to buy one. Today’s ...

I've been on the fence about buying a discrete sound card since building my first PC in 2002. The equation for buying most desktop parts is pretty straightforward: a graphics card can handle your ...

Like the title says, I'm planning to build a $900 (excl. keyboard, mouse, monitor, operating system) gaming-oriented PC. I know the Ars Budget Box guide just sticks with integrated sound, but I have a ...

Computer speakers provide audio functionality for your computer, allowing you to listen to application and media sounds or to provide sound for an audience during presentations. Most computers have a ...

This file type includes high-resolution graphics and schematics when applicable. 1. The system configuration shows how the functions connect to enable remote system control via the Internet, based on ...

Using a standard PC-sound card and straightforward circuit, you can implement low-cost on/off control of home appliances via the Internet. The system (Fig. 1) consists of a local computer (located ...