Patent ID: 9615185
Date: 2017-04-04
CPC Classifications: H03G,H04R

Claim:
1. One or more non-transitory machine-readable media storing instructions that are executable by one or more processing devices to perform operations comprising: analyzing an effect of noise in an interior of a vehicle on sound in the interior of the vehicle, at least part of the sound being produced by audio signals; accessing a group of adjustment curves, wherein each adjustment curve in the group corresponds to a different noise spectrum, and has a slope that represents a ratio between magnitudes of (i) noise energy in a low frequency band, and (ii) noise energy in a high frequency band that includes frequencies larger than frequencies in the low frequency band selecting an adjustment curve among the group of adjustment curves based on one or more characteristics of the noise; and determining an amount of adjustment to be made to the audio signals based on the analyzed effect and the selected adjustment curve.