You’re working at home, rocking out to an embarrassing pop playlist. Suddenly, your boss requests a video chat. Do you scramble to turn off Spotify? Two years ago, sure. But not now. You’re probably ...

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 ...

Most universal radio receivers have a very wide bandwidth that is not particulary for radio amateurs. The better models with narrower bandwith are almost always priced higher, too high for the reach ...

Audio lines create noise that weakens signals and affects sound. A filter fixes both—here’s how it changes smartphone and ...

The AUX-0025 filter instrument may answer the measurement demands of chip designers and switching-amp manufacturers for an accurate and repeatable solution. Audio Precision's Class D, Class I, Class S ...

The second-order multipurpose filter described here can perform as a low-pass, bandpass, high-pass, or notch filter at audio frequencies. What makes this filter unique is that all of its ...

yes you can alter the volumn while you encode in virtualdub. In version 1.4d and up under audio is the volumn. First, have vdub in full processing mode on the audio...then the volumn won't be grayed ...