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)
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 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
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 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
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 […]
Refrigerator Noise Testing – ISO Certified Acoustic Assessment by DASM
DASM provides ISO 7779:2018 & ISO 3745:2012 certified refrigerator noise testing services in a standard anechoic chamber. Trusted by manufacturers, contractors, and global brands. Why noise testing matters for refrigerator manufacturers In today’s competitive appliance market, ensuring low noise levels is critical not only for customer satisfaction but also for meeting global compliance standards. DASM’s […]
DASM – Vietnam’s No 1 Adapter Noise Testing Lab Under ISO Standards
DASM provides expert adapter noise testing under ISO 7779:2018 and ISO 3745:2012. With a VILAS-accredited acoustic lab and ultra-low ambient noise below 15 dB(A), DASM ensures fast, accurate, and internationally compliant results. As the demand for ultra-quiet electronic devices rises, noise testing has become an essential step in product development and certification. DASM proudly offers […]
Industrial Noise Measurement In Factories: Process, Standards, And Professional Services By DASM
Industrial noise measurement service compliant with QCVN, ISO, TCVN standards – DASM offers professional testing, internationally calibrated equipment, complete reports, and noise reduction consulting. Why need industrial noise measurement? Noise is a significant hazard in industrial workplaces. It doesn’t just impact worker health (especially hearing and mental well-being) but also lowers productivity, causes fatigue, reduces […]
