Category Archives: Sound Advice

2 lb Mass Loaded Vinyl: When to Use Heavy-Duty MLV

2 lb Mass Loaded Vinyl When to Use Heavy-Duty MLV - Commercial Acoustics

What Is 2 lb Mass Loaded Vinyl? 2 lb Mass Loaded Vinyl (MLV) is a dense, flexible membrane engineered to stop airborne and structure-borne sound. Twice the weight of standard 1 lb MLV, it offers enhanced low-frequency control—especially for mechanical equipment, HVAC systems, and spaces demanding quiet precision. While it’s heavier and more expensive than […]

Sound Absorption Coefficient Explained

Sound Absorption Coefficient Explained by Commercial Acoustics

What Is the Sound Absorption Coefficient The sound absorption coefficient quantifies how effectively a surface converts sound energy into heat. Materials with higher coefficients reduce echo and improve speech clarity in offices, schools, and hospitality spaces. It’s one of the key metrics used by architects and acoustic consultants when designing comfortable interior environments optimized for […]

STC 40 Wall Assemblies: Why Heavier Studs Reduce Sound Isolation

STC 40 Wall Assemblies Why Heavier Studs Reduce Sound Isolation

Why STC 40 Matters in Wall Design STC 40 walls provide moderate privacy but still allow normal speech to pass through. In commercial or light industrial applications, this level may be acceptable—but for residential and hospitality projects, it’s the starting point for improvement. Understanding how framing choices affect STC is key to designing stronger and […]

What Is an STC Rating?

What is an STC Rating - Commercial Acoustics

What STC Means in Construction An STC rating (Sound Transmission Class) measures how well a wall, floor, or ceiling assembly blocks airborne sound such as speech, music, or television noise. The higher the number, the better the sound isolation. STC ratings are determined through laboratory testing that measures how much sound energy is lost as […]

Understanding Flanking Noise

Understanding Flanking Noise

What Is Flanking Noise Flanking noise is sound that reaches a space through indirect paths such as ceilings, floors, ducts, or framing instead of passing directly through the separating wall. Even high-performance walls with excellent STC ratings can fail in the field if flanking paths allow sound to travel around them. In laboratory tests, flanking […]

How to Reduce Noise in Factories

How to Reduce Noise in Factories

Why Factory Noise Reduction Matters Factory noise is a major challenge across manufacturing environments. Heavy machinery, metal impacts, and vibration create constant noise that can exceed safe exposure limits. Uncontrolled sound doesn’t just impact hearing—it also affects concentration, communication, and morale. Learning how to reduce noise in factories helps protect workers, extend equipment life, and […]

Lecture Hall Acoustics & Sound Design

Lecture Hall Acoustics Sound Design

Why Lecture Hall Acoustics Matter Lecture hall acoustics directly influence learning outcomes and audience engagement. Poorly designed rooms amplify echoes, blur speech, and make it difficult for listeners to follow the speaker—even when a microphone is used. Whether it’s a small college classroom or a 400-seat auditorium, sound reflections, background noise, and room geometry must […]

Open Plan Office Acoustics: Reducing Noise & Improving Focus

Open Plan Office Acoustics

Why Open Plan Office Acoustics Matter Open-plan offices promote collaboration—but at the cost of privacy and quiet. Without the right acoustic design, sound reflections and overlapping voices make it difficult to concentrate or hold confidential discussions. By addressing the way sound behaves in open environments, companies can create workplaces that are both social and productive. […]

Most Common Causes of Machine Vibration

Most Common Causes of Machine Vibration

Why Machine Vibration Matters From manufacturing plants to schools and offices, nearly every building relies on mechanical equipment. When these systems run, they vibrate—creating both audible noise and low-frequency rumble that can travel through the building’s structure. Understanding what causes vibration and how to control it is the first step toward preventing costly downtime and […]

MLV Sound Barrier: EVA vs PVC Noise Barriers

MLV Sound Barrier Eva vs PVC Noise

Why MLV Sound Barriers Matter Mass Loaded Vinyl (MLV) is one of the most trusted materials for controlling airborne noise in construction. It provides a high level of sound isolation without heavy materials or complicated installation. Builders, architects, and acoustic consultants rely on MLV to meet strict STC requirements while saving on labor and space. […]