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 ...

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 ...

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 ...

Your computer's multimedia experience loses a dimension when distortion overtakes your sound and makes audio content unbearable to listen to. When noise affects all of your computer's audio output, ...

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 ...

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 ...

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 ...

The debate has been raging among audiophilles for months now -- which has the better sound, the 5th gen video iPod or the newer iPod classic? The iPod classic (both first and second gens) is a great ...

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 ...