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Acoustic Beamforming

Acoustic Imaging is probably the most advanced field within the whole of acoustics and finding the right products can be a bit of a minefield. At AcSoft we have the expertise to make sure you have the very best product for your application.

An acoustic camera is an imaging device that is used to both locate sound sources and to characterise them. It generally consists of a microphone array and an optical camera whose data is simultaneously acquired to give a representation of the location of the sound sources. The most popular method to obtain an acoustic image is to use beamforming whereby microphone signals are delayed relatively and added, with the signal coming from a specific direction being amplified while signals coming from other directions are cancelled.

Alternatively, particle velocity techniques can be used for localising sound sources on any type of object; from small hearing aids to large gas turbines. This technique provides you with high spatial resolution sound maps, over a broad frequency range and with an incredible dynamic range.

Acoustic Beamforming Products

Acoustic Camera
Near-field Acoustic Camera

Transducers

A transducer is an electronic device that converts energy from one form to another. In our field we use Microphones for sound, Microflowns for particle velocity and accelerometers for vibration.

For Microphones we always go for the very best and use ones from GRAS in Denmark. The advantages of being an independent distributor means that for vibration measurement we can select the best sensor for your application. Whether you need geophones, piezoelectric or MEMS accelerometers or dynamic pressure transducers, we can find exactly what you need.

Transducers Products

Accelerometers
AX-3D
PU mini Particle Velocity Probe
PU regular Particle Velocity Probe

Data Acquisition Systems & Front-Ends

Data acquisition (DAQ) is the process of measuring an electrical or physical phenomenon such as voltage, current or sound with a computer. A DAQ system consists of sensors/transducers, measurement hardware and then some kind of computer. The bit of hardware that takes the data in from the transducers in called the front-end.

DAQs and front ends come in many different guises. We can supply fully installed, bespoke data acquisition systems, handheld devices that give you full mobility and simple front end that enables you to plug your microphone or accelerometer straight into a computer.

Data Acquisition Systems & Front-Ends Products

Apollo
Apollo Light
BeanGateway
Spider-20 Wireless Dynamic Signal Analyser
CoCo-80X Touchscreen Dynamic Signal Analyser
Soundbook MK2
Swing

Measurement Systems

A measurement system can be confused with a data acquisition system but we use the term to mean complete measurement systems that include transducers, hardware and software.

We carry a range of complete measurement systems including in-situ absorption, Scan & Listen and Scan & Paint from Microflown along with acoustic cameras from gfai tech.

Measurement Systems Products

Scan & Listen
Apollo
AX-3D
BeanGateway
Spider-20 Wireless Dynamic Signal Analyser
CoCo-80X Touchscreen Dynamic Signal Analyser
In-situ Absorption
Scan & Paint
Scan & Paint 3D
SoundCheck
Swing

Ground & Building vibration

Ground vibration is the term that is used to describe mostly man-made vibrations of the ground, in contrast to natural vibrations of the Earth which comes under seismology. For example, it includes vibrations caused by explosions, construction works, railway and road transport. Building vibration simply describes ground vibration when it affects a building.

Ground and building vibration is a very large science and we're able to provide you with solutions for every aspect of it. From VDV to PPV, we have the solution.

Ground & Building vibration Products

AX-3D
MENHIR
NoiseCheck
Swing

Software

Software is that critical part of any system that actually allows you to look at the data you've collected.

We work with a number of different providers of software and which is best for you is very much down to what you want to do, what equipment you have and how big your budget is! For many people, the software that comes with the instrument they purchased can do much of what they need but for others, they need specific routines or to do much more indepth analysis.

Software Products

noiseLAB Standard Edition
noiseLAB Pro
Samurai
ME’scope
Soundbook MK2
SoundCheck
SpectraPlus

STiPA & Building Accoustics

STIPA (Speech Transmission Index for Public Address Systems) is a version of the STI using a simplified method and test signal. Within the STIPA signal, each octave band is modulated simultaneously with two modulation frequencies. Building Acoustics (also known as architectural or room acoustics) is the science and engineering of achieving a good sound within a building. 

Building acoustics is generally about achieving good speech intelligibility in a theatre, restaurant or railway station, enhancing the quality of music in a concert hall or recording studio, or suppressing noise to make offices and homes more productive and pleasant places to work and live in. A key parameter in building acoustics is reverberation time which is a measurement of the way a space ‘sounds’ and hence gives an indication of the intelligibility of sound in that space. A high reverberation time, for example, can make a room sound muffled, loud and noisy. Rooms designed for speech typically have a low reverberation time whereas a higher reverberation time can add depth, richness and warmth to music. The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination.

For STIPA we work with Embedded Acoustics who are the people who invented STIPA in the first place.

STiPA & Building Accoustics Products

SM90 Class 1 measuring instrument
D301 Dodecahedron
EM50 Tapping Machine
SM50 STIPAmeter