In one embodiment, a method of generating a highband excitation signal includes harmonically extending the spectrum of a signal that is based on a lowband excitation signal; calculating a time-domain envelope of a signal that is based on the lowband excitation signal; and modulating a noise signal according...http://www.google.fr/patents/US20060277038?utm_source=gb-gplus-shareBrevet US20060277038 - Systems, methods, and apparatus for highband excitation generation
Systems, methods, and apparatus for highband excitation generation
