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US Patent 11871190 Separating space-time signals with moving and asynchronous arrays

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
118711901
Patent Inventor Names
Ryan M. Corey1
Andrew C. Singer1
Date of Patent
January 9, 2024
1
Patent Application Number
176220381
Date Filed
July 2, 2020
1
Patent Citations
‌
US Patent 10623212 Space-time oversampling and error shaping for coarsely quantized arrays
1
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US Patent 9924283 Enhanced dynamics processing of streaming audio by source separation and remixing
1
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US Patent 10141009 System and method for cluster-based audio event detection
1
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US Patent 8064617 Microphone non-uniformity compensation system
1
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US Patent 8068554 Multiple input, multiple output wireless communication system, associated methods and data structures
1
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US Patent 8180069 Noise reduction through spatial selectivity and filtering
1
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US Patent 8194872 Multi-channel adaptive speech signal processing system with noise reduction
1
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US Patent 8965774 Automatic detection of audio compression parameters
1
...
Patent Primary Examiner
Paul Kim
Paul Kim
1
CPC Code
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G10L 21/0216
1
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G10L 2021/02087
1
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H04R 2227/003
1
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H04R 3/005
1
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G10L 2021/02166
1
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H04R 2430/20
1
Patent abstract

A method for separating sound sources includes digitizing acoustic signals from a plurality of sources with a plurality of microphone arrays, wherein each of microphone arrays includes one or more microphones, wherein at least one of the microphone arrays may be asynchronous to another one of the microphone arrays or may be moving with respect to another one of the microphone arrays. Spatial parameters are estimated of the digitized acoustic signals. The method includes estimating time-varying source spectra for the sources from the digitized acoustic signals as a function of the digitized acoustic signals and data received from at least one other microphone array. Source signals are estimated for one or more of the sources by filtering the digitized acoustic data digitized at the respective microphone array using the spatial parameters of the digitized acoustic data and the time-varying source spectra from all or a subset of the microphone arrays.

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