Latest Audio Technical Articles

This article, part of AAC’s Analog Circuit Collection, explains a fairly straightforward circuit that can be used as…

This article, part of AAC’s Analog Circuit Collection, explains a fairly straightforward circuit that can be used as part of an analog oscillator.

Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.

Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.

This article, part of AAC’s Analog Circuit Collection, explores the design and functionality of an op-amp-based limiter.

This article, part of AAC’s Analog Circuit Collection, explores the design and functionality of an op-amp-based limiter.

In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.

In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.

This article discusses an efficient implementation of the interpolation filters called the polyphase implementation.

This article discusses an efficient implementation of the interpolation filters called the polyphase implementation.

In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.

In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.

In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.

In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.

This article aims to explain the logarithmic laws of companding and the methods of implementation along with the effects…

This article aims to explain the logarithmic laws of companding and the methods of implementation along with the effects these methods bring into the PCM-based telephone systems.

How do you convert DAC output currents into a normal voltage signal? Let’s take a look.

How do you convert DAC output currents into a normal voltage signal? Let’s take a look.

This article presents a custom digital-to-analog-conversion design built around a high-speed DAC from Analog Devices.

This article presents a custom digital-to-analog-conversion design built around a high-speed DAC from Analog Devices.

This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the…

This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the coefficient quantization.

In this article, we’ll look at general concepts and some design details for a circuit board that can output a wide…

In this article, we’ll look at general concepts and some design details for a circuit board that can output a wide variety of analog signals.

This article will review some basic structures to implement Finite Impulse Response (FIR) filters.

This article will review some basic structures to implement Finite Impulse Response (FIR) filters.

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

This article introduces the analog-to-digital conversion required to compress speech for transmission across telephone systems.

This article introduces the analog-to-digital conversion required to compress speech for transmission across telephone systems.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio…

This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio IDE—all from Silicon Labs—to rather quickly and easily build a motion-detecting alarm system.

This article will review the basics of the decimation-in-time FFT algorithms.

This article will review the basics of the decimation-in-time FFT algorithms.

Use Adafruit's Circuit Playground to make your own fruity (drum) loops!

Use Adafruit's Circuit Playground to make your own fruity (drum) loops!