| Watch this new episode and learn about clever circuits, engineering techniques, and design hacks. We dive into 3D printing to RF, with hands...
All items tagged with Audio and filter (20)
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| Last year, we published a high-quality, variable-frequency audio notch filter. To complete a typical test lab setup for measuring audio equi...
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| Back in 2024, we introduced a high-quality variable-frequency audio notch filter. Now, we present a high-performance audio frequency generat...
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| When measuring distortion in audio devices, it makes sense to filter out the controlling sinusoidal signal before the spectrum analyzer. Thi...
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| This article describes a simple tunable filter circuit that needs no special chips, just two op-amps that can be running from a 5-V single s...
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| Besides small SUVs, crossovers are also filters used in audio to divide the audio signal into two or more frequency bands. A typical example...
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| When listening to your favourite CD, any audiophile will at some occasion realise that the CD concerned used to sound better during the prev...
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| In the ‘Audio Limiter (for DVD)’ circuit, the peak values of the audio signals are used to reduce the dynamic range of the sound. A possible...
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| Add two op-amps to a Wien-Robinson bridge and we can construct a notch filter whose centre frequency can be set using a single resistor. Thi...
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| AUDIO HI-FI audio DAC 2000 Part 2 digital filter and DACs Last month'??s Part 1 of this article dealt primar INTRODUCTION It is clear from t...