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

Advanced Acoustic Measurement & Noise Emission Testing for International Testing & Certification Laboratories

DASM provides advanced acoustic measurement and noise emission testing services for Testing & Certification laboratories

DASM provides advanced acoustic measurement and noise emission testing services for Testing & Certification laboratories. ISO-compliant procedures, Background Noise Level assessment, and K1–K3 Noise Correction Factors ensure reliable, traceable, and internationally recognized acoustic data. Acoustic measurement & noise emission testing for international laboratories from DASM DASM recently completed an advanced acoustic measurement and noise emission […]

DASM Shares Acoustic Materials Seminar at the National University of Civil Engineering

DASM shares acoustic materials seminar at the National University of Civil Engineering

DASM recently delivered a specialized seminar on acoustics and acoustic materials at the Faculty of Building Materials, National University of Civil Engineering in Hanoi, providing students with practical knowledge on sound absorbing material, sound insulation material, measurement methods, and applications in modern construction. Acoustics in modern architecture and construction As architecture and construction increasingly prioritize […]

Noise Testing of Electrical Cabinet to ISO 7779

DASM provides noise testing services for electrical cabinets in accordance with the international ISO 7779 standard

DASM provides noise testing services for electrical cabinets in accordance with the international ISO 7779 standard, ensuring accurate evaluation of noise emissions from industrial and commercial equipment. In various industrial sectors—particularly mechanical & electrical, equipment manufacturing, telecommunications, electronics, and data centers—equipment noise is a critical parameter requiring strict control. During operation, electrical cabinets (Electrical Cabinets […]

DASM Provides Box Test Sound Insulation Testing According to VILAS & ISO 3744/3745

DASM provides box test sound insulation testing according to VILAS & ISO 3744/3745

To ensure accurate noise measurement results, acoustic testing devices (Box Test / Acoustic Test Box) must be evaluated through a standardized, reliable, and internationally recognized testing procedure. At the Institute for Development and Application of Acoustic Materials – DASM, we offer Box Test sound insulation testing services in accordance with VILAS – ISO 3744/3745 standards. […]

DASM Attends The 30th Anniversary Celebration Of The Bureau Of Accreditation (Boa)

DASM Attends the 30th anniversary celebration of the Bureau Of Accreditation (Boa)

On November 1st, 2025, representatives from the Institute of development and application for sound materials DASM attended the 30th Anniversary Ceremony of the Bureau of Accreditation (BoA) at the invitation of the organization. The event holds significant meaning for the fields of testing, accreditation, and quality management in Vietnam. The role of BoA in the […]

Basic Principles In Sound Insulation And Noise Reduction?

Do you know the basic principles of sound insulation and noise reduction?

Do you know basic principles in sound insulation & noise reduction? It is essential to understand several fundamental acoustic laws and principles. These are also the principles that DASM applies in noise measurement, acoustic testing, evaluation, consulting, and designing efficient noise control solutions for projects. Reducing noise by 10 decibels (dB) ≈ Reducing perceived loudness […]

DASM Conducts Sound Transmission Class (STC) Testing for Movable Partition Systems at VinPalace – Vietnam’s Largest Convention and Event Center

DASM Conducts Sound Transmission Class (STC) Testing for Movable Partition Systems at VinPalace

The Institute of Development and Application for Sound Materials (DASM) – Vietnam’s leading organization in acoustic testing, measurement, and consulting – has recently conducted Sound Transmission Class (STC) testing for movable partition systems at VinPalace Convention & Event Center (Vin Cổ Loa). All measurements were performed in accordance with international standards ISO 16283 and ISO […]

Noise Impact Assessment Services – Effective & Cost-Efficient Solutions From DASM

Noise impact assessment is one of DASM’s core services.

Noise from new construction projects can sometimes disturb nearby residents. To ensure a project does not negatively affect the living environment, noise surveys and noise impact assessments are conducted by reputable organizations like DASM, helping to determine noise levels and recommend effective mitigation measures. DASM is a pioneering unit with extensive experience in conducting all […]

What is Acoustics? Basic Knowledge You Should Know

Acoustic noise includes all the sounds we hear and find annoying

Acoustics is the science that studies sound, noise, vibrations, and their applications in medicine, construction, industry, production, and the environment. Let DASM guide you through the fundamental knowledge of acoustics in the following article. What is Acoustics? By definition, acoustics is a branch of physics and technology that studies audible phenomena arising from the propagation […]

Sound Absorption: Definition, Formula, Measurement & Applications

Sound is not only a medium for transmitting information, but it also directly affects the quality of spatial experiences. In architecture, construction, and material manufacturing, sound control plays an important role in ensuring an optimal acoustic environment. One of the key factors is sound absorption – also known as a material’s ability to dampen or […]