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Ray Dolby, the Engineer Who Revamped Sound Technology

Before his name became a brand and a household word, Ray Dolby was a pioneer in noise reduction technology. His innovations revolutionized the audio and entertainment industries.

August 31, 2022 by Lianne Frith

Amar Bose, the Man Behind the Headphones

His name became legendary in the world of consumer audio, but Bose—professor, researcher, engineer, inventor—was much more than a business-savvy audiophile.

July 25, 2022 by Robert Keim

The Reverberations of Alan Blumlein, the Father of Modern Stereos

Responsible for the modern stereo and an advanced World War II radar, Alan Blumlein revolutionized sound engineering.

June 27, 2022 by Biljana Ognenova

Researchers Build Custom “Headphones” to Bump Atomic Radio Efficiency

NIST researchers recently built a custom headphone-like structure to boost the sensitivity of an atomic radio receiver a hundredfold.

June 02, 2022 by Darshil Patel

MEMS Microspeakers Make a Loud Statement Moving Into 2022 and Beyond

While balanced armature speakers have been a leading technology in true wireless earbuds, MEMS microspeakers are beginning to peak in popularity.

May 17, 2022 by Jake Hertz

New Audio Devices Target Next-gen Audio System Designs

Three semiconductor companies have recently announced devices aimed at next-gen audio. These ICs aim to enable engineers to improve the quality and capabilities of their audio system designs.

May 03, 2022 by Kristijan Nelkovski

“MUS-IC” to an Audiophile’s Ears? Lessons on Hi-Fi Electronics From a New DAC

MUS-IC, ROHM Semiconductor’s specialized family of audio electronics has a new member: a 32-bit DAC designed for high-res playback. What does this DAC teach us about the tenets of Hi-Fi electronics?

April 19, 2021 by Adrian Gibbons

The Class-D Amplifier Is the Star of Acoustic Vehicle Alerting Systems, ST Suggests

ADAS and AVAS are known to add a number of speakers to an automotive audio system. Class-D amplifiers, however, may be a useful solution for cutting size, costs, heat, and power consumption.

March 05, 2021 by Antonio Anzaldua Jr.

“GaN Is Like a Ferrari:” How GaN Is on the Fast Track for 2021

2020 ushered in a wave of GaN transistors in applications from automobiles to audio amplifiers. We talked with GaN Systems CEO Jim Witham to find out why he thinks 2021 could see even more GaN adoption.

December 18, 2020 by Jake Hertz

How Do You Design an LC Low-Pass Filter for a Class D Amp?

What's the role of low-pass filters in class D amplification? We'll use ST's new class D amp to discuss this question.

March 09, 2020 by Robert Keim

Microchip Unveils Dual-Mode, Bluetooth 5.0-Certified IC for Audio Solutions

Microchip's newest SoC and module feature a power amplifier and flash memory, enabling them to better support Sony’s LDAC technology.

October 08, 2019 by Gary Elinoff

Power Integrations’ Low-Noise, 200V AEC-Q100 Diodes Targets Automotive Audio Applications

Power Integrations' AEC-Q100-qualified LQ10N200CQ and LQ20N200CQ diodes target automotive audio systems.

September 13, 2019 by Gary Elinoff

An ADC for Low-Power Data Acquisition Designs: A DC-to-204 kHz, Configurable ADC from Analog Devices

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.

July 10, 2018 by Dr. Steve Arar

Teardown Tuesday: Hi-Fi Audio Amplifier with Bluetooth

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

August 15, 2017 by Nick Davis

High Fidelity, Low Power: A New Audio Amplifier from Analog Devices

You can simplify and improve the performance of your audio circuits with amplifier ICs such as the SSM6322.

June 21, 2017 by Robert Keim

New Class D Amplifiers and a DSP for Your Audio Applications

In this article we’ll look at three new components for amplifying and processing audio signals.

March 10, 2017 by Robert Keim

Teardown Tuesday: Baofeng Amateur Radio Transceiver

This teardown looks at some of the circuitry inside Baofeng's dual-band handheld transceiver.

February 28, 2017 by Mark Hughes

Teardown Tuesday: What’s Inside a Bluetooth Speaker?

Ever wonder what's inside a Bluetooth speaker? In this week’s Teardown Tuesday we are going to take a look at the inside of one.

March 29, 2016 by Alex Udanis