Patent ID: 8477951
Filing Date: 2013-07-02
Classification: H04R,H04S

Abstract:
1. A front surround sound reproduction system to reproduce multi-channel audio signals by using a plurality of speakers, comprising: a split unit to copy multi-channel signals into two groups of multi-channel signals; a virtual sound processing unit to generate a virtual sound signal corresponding to a head related transfer function (HRTF) from one group of the multi-channel signals; a beam forming processing unit to generate a sound beam signal by adjusting delays and levels of the other group of the multi-channel signals; and a crossover network unit to adjust a level and to change a frequency component of the virtual sound signal and the sound beam signal generated in the virtual sound processing unit and the beam forming processing unit, respectively, and to provide the adjusted virtual sound signal and the adjusted sound beam signal to a mid and low frequency speaker array and a high frequency speaker array, respectively, the crossover network unit comprising: