CPC H04N 23/6812 (2023.01) [G10L 21/0208 (2013.01); H04N 23/57 (2023.01); H04N 23/685 (2023.01); H04N 23/6811 (2023.01); H04R 1/342 (2013.01)] | 20 Claims |
1. An integrated circuit, comprising:
a processor configured to:
upsample a vibration signal to obtain an upsampled vibration signal, wherein the upsampled vibration signal has one or more axial components;
determine correlation values for the one or more axial components, wherein a respective axial component has a corresponding correlation value based on a microphone signal and the upsampled vibration signal;
filter the axial component corresponding to a determined highest correlation value from amongst the correlation values of the upsampled vibration signal to obtain a processed microphone signal; and
output the processed microphone signal.
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