It’s been a while since the last installment in our Know Audio series, in which we investigated distortion as it applies to Hi-Fi audio. Now it’s time to return with part two of our look at distortion ...

This post is for audio producers and journalists who work with news or documentary-style storytelling. This guide will help you make judgment calls about the usability of audio. There are many ways ...

Interested in reading more about Audio Test? Visit our Audio Test Forum. Because of its low frequency (up to 20 kHz), audio doesn't always get the respect it deserves. Alas, many engineers may dismiss ...

With an industry-leading signal-to-noise ratio of 134 dB, the APx1701 provides 20 dB of fixed-gain amplification from DC to 100 kHz. In the frequency range of 10 Hz to 20 kHz, the APx1701's residual ...

A critical measure for all audio components is distortion, typically specified as total harmonic distortion (THD) or total harmonic distortion + noise (THD+N). THD is defined as: ... THD+N is the rms ...

An audio distortion analyzer is a specialist piece of analogue test equipment that usually costs a lot of money and can be hard to track down on the second hand market. Finding one is a moment of luck ...

AP builds out electro-acoustic suite for reliable, high performance audio test from raw driver production test to final QA for finished devices. Audio Precision, the recognized standard in audio test, ...

What's required in a source for mixed-signal test. Key factors in achieving low distortion. Designing a signal-generation path. What is digital predistortion (DPD)? Using LDOs to power the test system ...

The increasing use of voice-activated devices has put a spotlight on audio tests – making a case for open and closed loop testing, says Eric Hodges of Audio Precision. Classically, audio tests have ...

Several readers report poor sound quality from the MacBook Pro's speakers. In particular, some readers are reporting that the right speaker outputs distorted or otherwise poor quality audio while the ...