Microphone arrays: target, processing
Is
the time-domain sampled waveform of a wave with well defined spatial
characteristics,
for example:
• a spherical wave centered in a precise
emission point Psource
• a plane wave with a certain direction
• a spherical harmonic referred to a receiver
point Prec
Pre-calculated
filters
x1(t)
x2(t)
x3(t)
x4(t)
yj(t)