Patent Document ID: 8682659
Application ID: 13862170

Base Claim:
1. A system comprising: one or more computers; and a computer-readable medium coupled to the one or more computers having instructions stored thereon which, when executed by the one or more computers, cause the one or more computers to perform operations comprising: receiving geotagged audio signals that correspond to environmental audio recorded by multiple mobile devices in multiple geographic locations, receiving an audio signal that corresponds to an utterance recorded by a particular mobile device, determining a particular geographic location associated with the particular mobile device, generating a noise model for the particular geographic location using a subset of the geotagged audio signals, and performing noise compensation on the audio signal that corresponds to the utterance using the noise model that has been generated for the particular geographic location.

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Claim 5:
5. The system of claim 1 , wherein the operations further comprise: determining, for each of the geotagged audio signals, a distance between the particular geographic location and a geographic location associated the geotagged audio signal; and selecting, as the subset of the geotagged audio signals, the geotagged audio signals that are associated with geographic locations which are within a predetermined distance of the particular geographic location, or that are associated with geographic locations which are among the N closest geographic locations to the particular geographic location.