| 摘要 |
Disclosed is a multi-beam sound system. The multi-beam sound system comprises: a fixed beam-forming unit which steers an input signal from a microphone array to a desired direction; a blocking matrix which receives the input signal, and acquires a noise reference signal from the received input signal; a variable beam-forming unit which acquires an adaptive noise signal from the noise reference signal outputted from the blocking matrix; and a generalized sidelobe canceller (GSC) having removing means for outputting an object signal in which the adaptive noise signal is removed from the signal outputted from the fixed beam-forming unit. The fixed beam-forming unit steers the input signal in at least two directions. |
