Existing weapon detection systems such as metal detectors and X-ray baggage scanners have many drawbacks. While metal detectors can only detect metallic objects, X-ray scanners are unsafe for use on passengers. Also, these systems can only scan people within a short ran...

The ACE Challenge was part of the programme of Challenges organised by the IEEE Audio and Acoustic Signal Processing Technical Committee. The aim of this challenge was to evaluate state-of-the-art algorithms for blind acoustic parameter estimation from speech and to pro...

[Abstract] In general, the simulation of physical phenomena through numerical methods tends to be a computationally intensive task, but this is particularly true in the eld of acoustics. Due to the fast changing derivatives and the innately second order formulation, a n...

The theatre-auditorium under investigation following the highly reflective characteristics of materials used in it (marble, painted wood, smooth plaster, etc), architectural and structural features of the Protocol and its intended use (very multifunctional: Auditorium, ...

The acoustic filters of hermetic reciprocating compressors, also called mufflers, are developed through acoustic simulation solving the discretized wave equation for obtain the Frequency Response Function (H(f)) which translate de acoustic response of the muffler. Non l...

The discharge measurement in river is the basis for using of water, planning, designing and operating water management and development projects. The traditional method of measuring the discharge is based on measurement of the water velocity and cross section area. Curre...

The separation of submicron particles suspended in gaseous flows is a problem of great importance and is the subject of sustained research efforts. This is motivated by several challenges presented by modern science and technology requiring high separation efficiencies ...

The increased need to save material and energetic resources, allied with a growing concern on the environmental issues and incertitude on the evolution of the economy, has impelled minimalist-approaches to Architecture and Engineering, reducing to the minimum necessary ...

This work investigates the viability of Gold code phase modulation in acoustic tomography, a technique for large scale measurement of ocean characteristics. Maximal-length sequences are currently used for modulation, requiring time division multiplexing of tomographic s...

A technology demonstrator that detects and classifies different helicopter types automatically, was developed at TNO-FEL. The demonstrator is based on a PC, which receives its acoustic input from an all-weather microphone. The demonstrator uses commercial off-the-shelf ...