Recently I've done a collection of measurements and tests on interconnect cables to see what I could find that would explain the sonic differences that many people, including myself, have grown ...

Class D amplifiers are fundamentally different from analog amplifiers, not only in their circuitry, but more importantly in the way they operate. Yet, engineers continue to test Class D amplifiers ...

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, ...

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 ...

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 ...

If you follow audiophile reviewers, you’ll know that their stock-in trade is a very fancy way of saying absolutely nothing of quantifiable substance about the subject while sounding knowledgeable ...

In 2015, there’s not much question about audio storage, transmission, or streaming: it’s digital. Apart from rare sightings of vinyl or open-reel tape in boutique sales or creative enclaves, audio is ...