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LMS Acoustics Overview

LMS Acoustics

LMS Acoustics

Scalable solutions for spot-on sound testing and analysis - Product sound and sound quality are key aspects of product perception. How a product sounds plays a critical role in conveying the right message about its functionality, comfort, overall brand image and, most importantly, its quality. Regulations and competitive pressure have forced manufacturers to keep noise levels within limits and meet increasingly stringent sound standards. Sound engineers look for more productive testing and ...

Sound Intensity Testing and Analysis

Sound Intensity Testing and Analysis

Sound intensity measurements reveal the actual flow of acoustic energy and are a vital part of a variety of acoustic testing applications, including source ranking and source localization analysis to identify and quantify critical sound sources. These measurements help engineers decide which countermeasures are most efficient. Sound intensity measurements are also often used as a troubleshooter to detect acoustic leaks and hot spots. ...

High Definition Acoustic Camera

High Definition Acoustic Camera

This solution is an extremely fast sound source localization method for both stationary and non-stationary sounds. Featuring a beam-forming technique that permits source localization from longer distances, it is an excellent solution for both large or awkward structures and tight deadlines. ...

Array-based Holography and Focalization

Array-based Holography and Focalization

The LMS Test.Lab Array-based Holography and Focalization solution includes a number of unique and innovative techniques that increase localization accuracy and the applicable frequency range. For sound source localization, near-field acoustic holography offers the best possible accuracy across the frequency spectrum as well as ample quantitative data for intensity and (partial) sound power contribution calculations. ...

Interior Sound Source Localization

Interior Sound Source Localization

Interior sound source localization in closed cavities such as truck cabins, car interiors, aircraft cockpits or trains has been a challenge for many years because of the sound field complexity. LMS Test.Lab Interior Sound Source Localization provides a unique spherical beamforming solution for these highly complex interior sound source localization measurements. It features a 3D acoustic camera and includes the latest innovations to localize acoustic leaks, disturbing wind noise, and squeak and ...

Sound Quality

Sound Quality

The sound of an engine, the tonal components of a turbojet aircraft or the acoustic performance of an electrical shaver, all represent sound quality aspects. Efforts are no longer limited to noise reduction, as the perception of product sound is considered an important attribute that defines its character. Shaping the right product sound is an intricate task that requires numerous steps and tools during the product development process. ...

Virtual Car Sound

Virtual Car Sound

A handy and multi-purpose tool, LMS Test.Lab Virtual Car Sound can be used for general sound design and target-setting as well as advanced vibro-acoustic trouble-shooting in the vehicle refinement stage. The LMS Test.Lab Virtual Car Sound solution is mainly applied to vehicles, but can be helpful when analyzing issues found in other rotating machinery products and components....

Exterior Pass-by Noise Testing

Exterior Pass-by Noise Testing

A highly adaptable and scalable pass-by noise testing solution, LMS Test.Lab Exterior Pass-by Noise Testing can be tuned to precise testing requirements and expanded as needed. LMS Test.Lab Exterior Pass-by Noise Testing is based on an extremely reliable hardware and software solution, which combines state-of-the-art LMS SCADAS data acquisition and telemetry with the easy-to-use LMS Test.Lab Pass-by Noise module. ...

Interior Pass-by Noise Testing

Interior Pass-by Noise Testing

The LMS Test.Lab Interior Pass-by Noise solution is a popular testing method to simulate pass-by noise using a roller bench in a semi-anechoic chamber. Primarily a lab-based engineering tool, this interior pass-by noise solution supports pass-by noise standards and brings numerous advantages to the testing process. ...

Octave Testing

Octave Testing

Octave testing is an indispensible element of acoustics and vibration engineering. It is part of many noise evaluation tests with predefined targets or legislative standards. The LMS Test.Lab platform supports octave testing for the largest variety of test scenarios. Whatever your needs are, LMS Test.Lab offers an easy-to-use and powerful solution for acoustic qualification testing. ...

Sound Power Testing

Sound Power Testing

The LMS Acoustics solutions deliver the required testing efficiency for increased testing and quality control. Beyond accurate measurements, LMS tools and services help reach sound power targets with advanced techniques such as airborne source quantification and sound source localization. ...

Acoustic Material and Component Testing

Acoustic Material and Component Testing

Reducing the undesired or harmful effects of sound is a goal for every sound engineer. One of the most popular techniques consists in blocking the sound transmission path using passive acoustic material treatments. Passive acoustic barriers are made of heavy and/or dense material in combination with porous, open-celled absorptive materials that stop the sound energy passing through the structure....

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