Latest Audio Articles and Videos

This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise…

This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise components in an audio signal.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

In this article, we’ll use Scilab to create an FM waveform that carries information corresponding to an audio recording.

In this article, we’ll use Scilab to create an FM waveform that carries information corresponding to an audio recording.

Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a…

Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a carrier signal.

Scilab’s FFT functionality can help you understand the frequency-domain effects of RF modulation techniques.

Scilab’s FFT functionality can help you understand the frequency-domain effects of RF modulation techniques.

This article discusses basic signal-processing tasks that can be performed using a free and open source alternative to MATLAB.

This article discusses basic signal-processing tasks that can be performed using a free and open source alternative to MATLAB.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Part 8 of the Resolving the Signal series dives further into how different noise sources impact precision delta-sigma…

Part 8 of the Resolving the Signal series dives further into how different noise sources impact precision delta-sigma ADCs by focusing on reference noise and ADC noise, and how gain affects reference noise.

Sound can be used to detect objects and communicate. This roundup looks at three new MEMS-based microphones and…

Sound can be used to detect objects and communicate. This roundup looks at three new MEMS-based microphones and ultrasonic sensors on display at Sensor Expo 2018.

In this article, we’ll discuss MOSFET characteristics related to transient conditions and switch-mode operation.

In this article, we’ll discuss MOSFET characteristics related to transient conditions and switch-mode operation.

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is…

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is intended for low-power data acquisition (DAQ) designs.

In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create…

In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create a handy system to rid ourselves of overly-colorful fashion choices.

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.

This article will look at some of the most important features of TLV320ADC3100 which is TI’s newly-released ADC for…

This article will look at some of the most important features of TLV320ADC3100 which is TI’s newly-released ADC for voice-activated systems.

This article will discuss phase truncation in direct digital synthesizers.

This article will discuss phase truncation in direct digital synthesizers.

Part 6 of this 12-part Resolving the Signal series focuses on output- versus input-referred noise, adding an amplifier at…

Part 6 of this 12-part Resolving the Signal series focuses on output- versus input-referred noise, adding an amplifier at the input of an ADC, and low- versus high-resolution ADCs as they relate to amplifier noise.

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.

This article will discuss the dynamic range specification of an ADC.

This article will discuss the dynamic range specification of an ADC.

Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you…

Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!