Patent ID: 9161151
Filing Date: 2015-10-13
Classification: H04R,H04S

Abstract:
1. A vehicle audio system comprising: an input for receiving input audio signals; an announcement audio extractor configured to extract announcement audio content from the input audio signals and output the extracted announcement audio content and entertainment audio content remaining in the input audio signals after extraction of the announcement audio content; a spatial processor configured to receive the entertainment audio content from the announcement audio extractor and apply spatial processing to the entertainment audio content to output spatially processed entertainment audio content; and an output matrixer configured to receive the announcement audio content from the announcement audio extractor and the spatially processed entertainment audio content from the spatial processor, and combine the announcement audio content and the spatially processed entertainment audio content to generate output audio signals; and an output for providing the output audio signals, wherein the input receives front and rear input audio signals, and the announcement audio extractor compares at least one front audio input signal to at least one rear audio input signal and extracts the difference between the compared front and rear audio input signals as the announcement audio content, and inserts the announcement audio signal in the front audio signal only.