H - Electricity – 04 – H
Patent
H - Electricity
04
H
H04H 1/00 (2006.01)
Patent
CA 2603190
This invention provides a method of detecting time alignment of an analog audio signal and a digital audio signal in a hybrid radio system. The method comprises the steps of filtering the analog audio signal to produce a filtered analog audio signal, filtering the digital audio signal to produce a filtered digital audio signal, and using the filtered analog audio signal and the filtered digital audio signal to calculate a plurality of correlation coefficients, wherein the correlation coefficients are representative of time alignment between the analog audio signal and the digital audio signal. An apparatus for performing the method is also provided.
Procédé de détection d'alignement temporel de signal audio analogique et numérique dans un système radioélectrique hybride : filtrage du signal analogique en signal analogique filtré, filtrage du signal numérique en signal numérique filtré, et utilisation des deux pour calculer plusieurs coefficients de corrélation, représentatifs de l'alignement temporel entre le signal analogique et le signal numérique. Egalement, dispositif pour la mise en oeuvre du procédé.
Chalmers Harvey
Iannuzzelli Russell
Kroeger Brian William
Ibiquity Digital Corporation
Smart & Biggar
LandOfFree
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