31Hz
63Hz
125Hz
250Hz
500Hz
1kHz
2kHz
4kHz
8kHz
16kHz
Verification of the compensation
–
synthesis of a virtual 3
°
order cardioid
Without compensation
After compensation
Ø
The compensation of the positioning error significantly improved the directivity
patterns at 4 and 8 kHz
Ø
At very high frequency the directivity pattern is corrupted due to spatial aliasing
Mechanical problems: compensation