Patent ID: 6175298
Filing Date: 2001-01-16
Classification: G08B

Abstract:
A method of storing a high quality sound for use in a door chime system comprising the following steps:providing a recorded musical sound for use in the door chime system;digitizing said musical sound wherein said digitizing step further comprising the steps of:converting said recorded musical sound into an analog voltage signal;converting said analog signal into a digital signal; andstoring said digital signal in a computer file;filtering said digitized sound, said filtering step further comprising the steps of:applying a linear phase, low-pass-filter to said digitized sound signals; andapplying a rank order filter after applying said low-pass-filter;converting said filtered digitized sound signal to a second musical sound signal, said converting step further comprising the steps of:converting said filtered digitized sound signal to an analog signal;converting said analog voltage signal to said second musical sound; andrecording said second musical sound on a recorder; andstoring said second musical sound into memory in the door chime system.