A frequency response measurement reports the output levels of a DUT when stimulated with different frequencies of known level. The simplest of all frequency response measurements consists of only two ...

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 ...

A few years ago, QuantAsylum’s QA403 filled a niche between costly high-end analyzers and basic hobbyist setups. In this ...

Audioholics answers our questions about the importance of audio measurements and reveals which amplifiers, subwoofers and loudspeakers have measured best. AH: Audio measurements (if done properly) ...

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 ...

As a former telecommunications electrical engineer, I come from a profession where analytical analysis and measurements are a necessity when designing a new product. Working for one of the largest ...

As we’ve traced our no-nonsense path through the world of Hi-Fi audio, we’ve started with the listener, understood the limitations of the human ear, and thence proceeded to the loudspeaker. We’ve ...

Transmitting and storing audio signals in the digital domain is well-established in the broadcast industry. Analog audio has given way to the AES3 and Sony/Phillips Digital Interface Format (SPDIF).

Audio Precision is now offering a four-DVD set entitled “Fundamentals of Audio Test and Measurement.” It will provide nearly eight hours of audio test and measurement insights and how-to knowledge.

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 ...

We'll start out by looking at what testing is required for different audio devices, and we'll choose a device to test and a signal path. Then we'll discuss basic setup considerations. Then we'll look ...