Patent ID: 8898056
Filing Date: 2014-11-25
Classification: G10L,H04L

Abstract:
1. A signal separation method, implemented within an electronic system, comprising: receiving, in an electronic system, a set of frequency-domain first signals, wherein each of the frequency-domain first signals comprises frequency-domain first signal elements corresponding to a plurality of frequencies, and wherein the set of frequency-domain first signals are derived from one or more of a plurality of signal sources; separating, in an electronic system, the set of frequency-domain first signals into a set of frequency-domain second signals, wherein the set of frequency-domain second signals comprises a set of separated frequency-domain second signal elements corresponding to individual frequencies of the plurality of frequencies, and wherein each frequency-domain second signal element is assigned an identifier which indicates which of the set of frequency-domain second signals includes the frequency-domain second signal element, and reordering, in an electronic system, the identifiers corresponding to at least one frequency to improve a coherence of the frequency-domain second signals by comparing each second signal element in the set of frequency domain second signals to another signal element to produce a set of frequency-domain third signals, wherein the improving the coherence of the frequency-domain second signals comprises: optimizing the coherence of frequency-domain second signal elements corresponding to a first subset of frequencies; and optimizing the coherence of frequency-domain second signal elements corresponding to a second subset of frequencies, wherein the second subset of frequencies includes more frequencies than the first subset of frequencies, and wherein the second subset of frequencies comprises the first subset of frequencies.