Latest Audio Articles and Videos

While it can be challenging to design electronic versions of precision tools, in this Industry Article we design an…

While it can be challenging to design electronic versions of precision tools, in this Industry Article we design an electronic level that matches the features of a conventional tool.

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.

New technologies positively advertise constant microphone monitoring--but is it what consumers want?

New technologies positively advertise constant microphone monitoring--but is it what consumers want?

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.

There is a trend beginning for a whole new network of smart devices to listen and respond to requests for all rooms of…

There is a trend beginning for a whole new network of smart devices to listen and respond to requests for all rooms of your smart home so you don't have to hear "I'm sorry, I didn't get that" anymore.

The United States is pulling more diplomats out of Cuba after more reports of symptoms similar to those exposed to "sonic…

The United States is pulling more diplomats out of Cuba after more reports of symptoms similar to those exposed to "sonic attacks."

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.

In this article, we show measured improvements of over 10 dB at 10 kHz offsets using the AD9164 DAC.

In this article, we show measured improvements of over 10 dB at 10 kHz offsets using the AD9164 DAC.

The technology behind noise-cancelling headphones has been around since the 1970s, but in recent years, the technology…

The technology behind noise-cancelling headphones has been around since the 1970s, but in recent years, the technology has been brought to broader applications.

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.

The industrial Internet of Things (IoT) encompasses the broad transformation underway that will make pervasive sensing…

The industrial Internet of Things (IoT) encompasses the broad transformation underway that will make pervasive sensing across connected machines not just a competitive advantage, but an essential fundamental service. The industrial IoT starts with the edge node, which is the sensing and measurement entry point of interest.

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.

In this teardown, we examine the Lepy LP-168 Hi-Fi Stereo USB Audio Amplifier with Bluetooth, by NKTECH.

In this teardown, we examine the Lepy LP-168 Hi-Fi Stereo USB Audio Amplifier with Bluetooth, by NKTECH.