Description

This R&D result presents a different approach to the recording and fruition of soundscapes. The idea is to record a soundscape using a small number of microphone arrays, instead of a relatively high number of mono or stereo recordings.
In consequence of the principle that sound waves coming from different directions will arrive to the array sensors with different delay times, the signals captured by a microphone array also contains information about the spatial location of the sources. Then, a soundscape composed from multiple sources located in different places can be captured by a limited number of arrays because is then
possible to separate the sources coming from different directions
using beamforming techniques. Indeed, the array can be steered according to a desired beampattern, which is modeled by processing the signals captured by the microphones.
Changing the direction of the beampattern, you can explore the sound field, highlighting a source or the other.

 

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