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 ...

Audio Precision Inc calls the APx585 the first audio analyzer with eight channels of simultaneous analog I/O. Targeting use in testing multichannel consumer audio products, the PC-controlled unit also ...

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 ...

Ever so often something revolutionary happens in the A/V world that changes it forever. In the 80s, it was CD, the 90s followed with DVD, 2000’s iPod and portable storage devices. These technologies ...

[Ryan] wanted a spectrum analyzer for his audio equipment. Rather than grab a micro, he did it the analog way. [Ryan] designed a 10 band audio spectrum analyzer. This means that he needs 10 band-pass ...

The performance of an audio system element (e.g., an audio mixing console) or a complete system (consisting of a number of individual system elements connected in a typical operational configuration) ...

Maintaining a radio facility is an ongoing process, and even new facilities have maintenance needs. Some aspects of equipment performance can be verified through the equipment’s front-panel display, ...

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 ...

The analysis of electrical signals, otherwise known as signal analysis, is a fundamental challenge for virtually all electronic design engineers and scientists. While it provides valuable insight into ...

Audio Precision has released the AG52 analog generator, a new hardware option for the APx Series of audio analyzers. Support for this new option is part of the larger APx v2.4 software release, also ...