Acoustics

We are surrounded by sound – it is a major part of our daily lives and permeates every aspect of our everyday world. Communication devices, household appliances, production machinery, vehicles, aircraft, public address systems – all use sound to fulfil their primary function or emit sound as an unwanted side-effect, in other words, noise.

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Electroacoustics

To deliver quality sound, it is essential to analyze the sound produced and captured during R&D. A multitude of parameters are critical to authentic sound reproduction.

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Noise Source Identification

By tracing noise back to very specific components, engineers can target their mitigation efforts more precisely.

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Environmental Noise

By measuring and mapping environmental noise, and general noise pollution, we can limit the impact of noise on health, and improve the quality of life for humans and animals.

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Sound Power and Sound Pressure

Customer awareness of general noise and its related sound power have never been higher. Product noise levels are increasingly more important to buyers of tools, appliances, machinery and other equipment.

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Noise Certification

Road traffic and aircraft noise are among the most widespread environmental noise problems globally and closely linked to negative health effects. As a result, they are subject to stringent national and international regulations. Discover the noise certification for each category of aircraft and ground vehicles.

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Acoustic Material Testing

Acoustic material testing provides insights into their characteristics, to better understand the contribution it will have on the overall acoustic experience of a room, vehicle, etc.

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From design and development to manufacturing, operation and environmental compliance, measuring sound or noise levels has become a standard requirement. Be it audio quality assurance of hearing aids, mitigating sound effects in vehicles, eliminating risks by excessive exposure to noise at work, or fulfilling environmental directives, only reliable measurement and data analysis can help engineers and other responsible bodies to correctly evaluate sound parameters.

HBK has been at the forefront of research in this field for decades. Our in-depth knowledge of numerous applications has established our reputation as market leaders in measuring and analysing sound, and we have long been engaged in developing international standards. Whatever your application, our high-quality acoustic solutions make your testing procedures as easy, reliable, and as efficient as possible.

Fundamentals of Acoustics

Acoustic engineering requires powerful tools covering the entire measurement chain. We offer a comprehensive toolbox – from microphones to data acquisition systems and software for analysis, storage and sharing. Post-processing options allow you to create an efficient, and streamlined workflow customized for your needs.

Our Customer Stories

Engineer touching robot-controlled acoustic holography for hearing aid development. The measurements are coupled with Statistically Optimized Near-field Acoustic Holography (SONAH) from BKSV (now HBK).

Acoustic holography for hearing aid R&D

GN ReSound, leader in hearing aids, needed to make accurate and repeatable sound intensity measurements during development. HBK’s SONAH technology gave them confidence in modelling, simulation and verification, while also reducing development time.

type 2250 sound level meter from BKSV (now HBK) to ensure precision measurement results about urban noise for the Gießen Regional Council

How to control the environmental noise

A German council faced a challenge handling complaints about irregularly occurring noises. With HBK's Type 2250 sound level meter, unattended noise measurements could be made over several days, enabling reliable and cost-effective investigations.

BKSV's (now HBK) portable microphone array coupled to a data-acquisition system optimized for rapid noise mapping

Sound quality of home appliances

To maximise the productivity of research, deliver products to market faster, and ensure that the sound quality of their products remains a competitive advantage, Gorenje, uses HBK’s portable microphone array to make effective measurements.

Propeller and rudder of big ship underway from underwater. Close up image detail of ship. Transportation industry. Freight transportation. Ship repair, underwater survey and shipping business concept

Identify underwater ship noise

JRC Tokki is the first Japanese company with underwater acoustic ranging capability to help reduce noise emissions that can harm marine life. A portable system, using HBK hydrophones, enables them to make sound intensity measurements on large vessels.

BKSV's (now HBK) hand-held Analyzer Type 2250, Omnipower Sound Source Type 4292, and PULSE data acquisition and analysis system and LAN-XI data acquisition hardware. For on-site building analysis and acoustic isolation.

Fine-tuning acoustic isolation in buildings

Acciona Infrastructure is a leading global construction company. To improve future building designs, the company used HBK sound measurement technology to develop new methods for calculating and measuring building sound insulation.

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