1. A computing system comprising: a processor; and a memory that comprises a location system that is executed by the processor, the location system configured to: compute data that is indicative of a location of a client computing device based upon an audio-based signature of surroundings of the client computing device, the audio-based signature is based upon a high frequency portion of an audio signal captured by the client computing device; and provide the client computing device with the data that is indicative of the location of the client computing device.