loudspeaker_ea

Loudspeaker Electroacoustic Measurements

April 29, 2024
Discover how to accurately measure loudspeaker performance! This application note guides you through essential electroacoustic tests, highlighting challenges & solutions in a precise yet complex field.

This application note outlines crucial electroacoustic measurements for evaluating loudspeaker drive units and systems, adhering to industry standards. It emphasizes the importance of using precision microphones and accounting for environmental interactions in testing scenarios. Challenges in measuring at various frequencies are discussed, alongside the use of anechoic chambers to mitigate sound reflection issues. The application note also deep dives into frequency response, sensitivity, impedance, directivity, and distortion measurements.

Sponsored

A Deep Dive into Audio Jack Switches and Configurations

The audio jack is an industry-standard connector that has many potential uses in addition to providing basic audio connectivity.

What is the Most Effective Way to Commutate a BLDC Motor?

Brushless direct current electric motors, or BLDC motors for short, are electronically commutated motors powered by a dc electric source via an external motor controller. Unlike...

MEMS versus ECM: Comparing Microphone Technologies

Increasing numbers of devices utilize microphones to capture sound. Two of the most commonly used microphone technologies are MEMS and ECM.

A Designer's Guide to Lithium (Li-ion) Battery Charging

This designer's guide helps you discover how you can safely and rapidly charge lithium (LI-ion) batteries to 20%-70% capacity in about 20-30 minutes.