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18.05.2006 Angelo Farina
UNIPR / ASK Industries | All Rights Reserved | Confidential
Advanced
digital filtering techniques
§A set of digital filters can be employed for
sinthesizing the required
spatial pattern (spherical harmonis), either when dealing with a microphone array or when dealing with a
loudspeaker array
§Whatever theory or method is chosen, we always
start with N input
signals xi,
and we derive from them M output signals yj
§And, in any case, each of these M outputs can
be expressed by:
processor
N inputs
M outputs