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 ...

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 ...

Audio-Technica has introduced the AT8175 Microphone Pop Filter, which, according to the company, is designed for up-close use to assist in reducing excessive pressures on the microphone’s element. Per ...

When a system's specifications call for a lowpass filter with a steep frequency-cutoff characteristic, an engineer can opt for a “brick-wall”- filter design that features a sharp transition band. For ...

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 ...

I have been reading the discussion about reducing AM audio frequency response to 5 kHz. First Clear Channel implemented it, then Crawford. Now even Radio World has endorsed it. In this editorial I ...

When using microphones, it is important to speak or sing from the right distance to ensure that the mic does not capture your breathing sound. Also, there might be external disturbances due to wind or ...

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 ...

Any pointers to good resources on audio filters for WAV files (particularly low-pass filters) implemented in Java? I've found a goodly amount of resources on DSP and filters, but when it gets to ...

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 ...