Lai Yen IZ, Lai Yen ward, Hoai Duc district, Hanoi

DASM LAUNCHES ACOUSTIC TESTING AT VIETNAM’S PREMIER LUXURY APARTMENT COMPLEX

DASM

With a solid foundation in acoustic science and state-of-the-art measurement systems, the DASM Institute recently conducted a comprehensive noise inspection including acoustic testing, noise survey and evaluation at one of Vietnam’s most luxurious real estate developments. DASM identifying the source of noise for a premium real estate project in Vietnam Situated along the banks of […]

DASM – Pioneering the Application of Acoustic Cameras for Precise Sound Localization

DASM offer advanced building sound localization services using state-of-the-art acoustic camera technology

At DASM, we offer advanced building sound localization services using state-of-the-art acoustic camera technology. Our solution provides precise, visual detection of noise sources in construction sites, commercial buildings, factories, and residential environments. Introducing DASM’s Acoustic Testing Services DASM Institute is a pioneer in the field of material acoustic testing, providing comprehensive solutions to help businesses, […]

DASM: Noise Measurement Services for Electrical Equipment and Ventilation Fans According to ISO 7779 Standard

Noise Measurement Services for Electrical Equipment and Ventilation Fans According to ISO 7779 Standard

In today’s industrial environments, managing noise generated by electrical devices and ventilation systems is crucial to ensure operational efficiency and compliance with international standards. DASM proudly provides noise measurement services – material acoustic test  in accordance with ISO 7779, supporting manufacturers in improving product quality and meeting stringent technical requirements. Why Noise Measurement Is Essential? […]

Sound Attenuation Testing of Ducts in DASM’s Reverberation Room

Đo kiểm hệ số suy giảm âm của vật liệu foam xốp bọc ống gió điều hoà được DASM thực hiện đầy đủ theo tiêu chuẩn 7235:2023 kết hợp ISO 3745:2012

Conducting sound attenuation testing is essential to evaluate the acoustic performance of air ducts and determine the most effective noise reduction solutions. Air duct systems play a crucial role in industrial, commercial, and residential buildings by ensuring proper air circulation and fresh airflow. However, without proper soundproofing, these ducts can generate excessive noise, negatively impacting […]

Reverberation Room

Acoustic Absorption Testing Service at DASM Institute According to ISO 354 & ASTM C423

At DASM, we have set up a standard-compliant reverberation room to support specialized acoustic tests, enabling the study of sound characteristics in materials and products. Acoustic Reverberation Room: Exploring Features and Applications in Acoustic Research An acoustic reflection room is a special space primarily used in acoustic research to test materials and the acoustic environment. […]

Acoustic Absorption Testing Service at DASM Institute According to ISO 354 & ASTM C423

Acoustic Absorption Testing Service at DASM Institute According to ISO 354 & ASTM C423

Acoustic Absorption Testing – Materials Acoustic Test Service  at DASM Institute According to ISO 354 & ASTM C423, helping businesses evaluate and optimize the sound absorption performance of materials. The VILAS-certified laboratory ensures accurate and objective results. Introduction to Acoustic Absorption Testing at DASM Institute In the field of acoustics, accurately evaluating the sound absorption capability […]

Understanding Airborne Sound and Impact Sound, and How to Measure Each Type of Sound

airborne sound and impact sound

In this article, DASM will explore airborne sound and impact sound, along with how to measure each type of sound. Airborne Sound and Impact Sound: What’s the Difference? Airborne Noise Airborne sound refers to noise transmitted through the air, such as music, speech, or television sounds. This type of sound is the most common and […]

Sound Level – Decibels, Intensity, and Distance

Sound Level – Decibels, Intensity, and Distance

Loud sound – How does the load and sound level change as you move away? Clearly, the sound gets quieter, but how much quieter is it? Let’s join DASM to find the answer in the article below. Sound Level, Sound Intensity The sound intensity level is calculated in W/m², and the comparison between two sounds […]

Concert hall acoustics

shoes box

Concert hall acoustics play a crucial role in designing spaces for live music performances, typically without amplified sound. To ensure the best sound quality, factors such as room shape and acoustical parameters must be carefully considered. This article will help you understand the most common concert hall designs and key acoustical parameters involved in designing […]