Standard techniques to measure the sound absorption coefficient or the acoustic impedance
of materials are the Kundt's tube and the reverberant room, albeit they are not practicable in …

Sound visualisation techniques have played a key role in the development of acoustics
throughout history. Progress in measurement apparatus and the techniques used to display …

Kundt's tube and reverberant chamber are common methods for determining the sound
absorption coefficient or acoustic impedance of materials. These measurement …

Thermal acoustic particle velocity sensors find widespread application in sound field
measurements and sound source localization, owing to their capacity to capture vectorial …

Aluminum-based cellular solids are promising lightweight structural materials considering
their high specific strength and vibration damping, being potential candidates for future …

[ES] Amplitude Acoustics, bajo la supervisión de Rui Ribeiro y Paulo Amado Mendes La
técnica de sonda de PU permite mediciones de impedancia de superficie in situ de …

This paper presents a comprehensive investigation into the differences observed when
evaluating the acoustic properties of a multi-layered material using different standardized …

Acoustic material testing is becoming increasingly relevant to engineers, designers and
manufacturers from a broad range of industries. This paper presents comparisons between …

Sound propagation paths are not always well understood mainly because of the complex
nature of the source or the environment. A direct method to capture the sound energy flow …

Since Sabine's foundational work in acoustics, knowledge of the sound absorbing
characteristics of construction materials has been of fundamental importance for …