VSAC

The Anechoic Box (AEB) Is Not Just a Box — Rethinking the AEB as a Complete Acoustic Test System —

Introduction: What Is an AEB (Anechoic Box)? An Anechoic Box (AEB) is a compact acoustic test enclosure design...

What Is a Floating Floor in Anechoic Chambers? — Structure-Borne Noise Isolation Through Advanced Floor Design —

Introduction: Why the Floor Matters in Acoustic Testing In designing anechoic chambers, the floor structure is...

Absorption Wedges vs. Flat Absorbers: A Comparison Based on Cut-off Frequency and the Inverse Square Law — Which is more suitable depending on room size and application? —

Introduction: Absorber Choice Directly Affects Performance and Cost When designing anechoic or semi-anechoic c...

What Is the Inverse Square Law in Sound Power Measurements? — The Fundamental Principle That Defines Anechoic Chamber Performance —

Introduction: An Invisible Standard for Anechoic Chambers When evaluating the performance of an anechoic chamb...

Sound Leaks Like Water — The Hidden Challenge of Acoustic Leakage and Sealing in Anechoic Chambers —

Introduction: “It’s an anechoic chamber—of course it’s soundproof”… Or is it? Anechoic chambers are often thou...

Is Perforated Metal Really Necessary? — Rethinking Acoustic Wall Treatments from the Perspectives of Cost, Weight, and Constructability —

Introduction: Challenging the Conventional Assumption Perforated metal has become a common choice for the inte...

EV Testing and Ultrasonic Challenges in VSAC — Strategies for high-frequency measurements using omnidirectional sources and optimized placement —

Introduction: New Sound Sources in the EV Era As automotive electrification advances, traditional engine noise...

Precision Procedures for Verifying the Inverse Square Law According to ISO 26101 — Traversing directions, microphone positioning, and measurement intervals in detail —

Introduction: Verifying the Inverse Square Law Is the Key to Chamber Certification For an anechoic or semi-ane...

The Cutting Edge of Anechoic Chamber Design: Comfort Without the Ear-Piercing Sensation

Introduction: What Is the “Discomfort” in an Anechoic Chamber? Many people entering an anechoic chamber for th...

What’s the Difference Between Fully and Semi-Anechoic Chambers? — Key Selection Criteria and Common Misconceptions Based on Test Objectives and Site Conditions —

Introduction: Two Distinct Types of Anechoic Chambers In acoustic testing and environmental noise evaluation, ...