A method, medium, and system generating a 3-dimensional (3D) stereo signal in a decoder by using a surround data stream. According to such a method, medium, and system, a head related transfer function (HRTF) is applied in a quadrature mirror filter (QMF) domain, thereby generating a 3D stereo signal...http://www.google.es/patents/US20070223749?utm_source=gb-gplus-sharePatente US20070223749 - Method, medium, and system synthesizing a stereo signal
Method, medium, and system synthesizing a stereo signal
