CPC H04S 7/30 (2013.01) [H04R 1/025 (2013.01); H04R 1/403 (2013.01); H04R 5/02 (2013.01); H04R 2201/401 (2013.01); H04R 2201/403 (2013.01); H04R 2499/13 (2013.01); H04S 2400/11 (2013.01); H04S 2420/01 (2013.01)] | 4 Claims |
1. An in-vehicle independent sound zone control method, applied to a vehicle, comprising:
presetting a control area and a non-control area, wherein the control area is a listening area where a passenger is located in the vehicle and an in-vehicle independent sound zone is formed, and the non-control area is a remaining area in the vehicle except the control area;
arranging a speaker array behind a front seat of the vehicle for generating a first acoustic response, and arranging a headrest speaker at a headrest on a rear seat of the vehicle for generating a second acoustic response;
fitting a virtual target speaker, wherein the virtual target speaker is configured to generate a target acoustic response within the control area; and
controlling a sound quality of the in-vehicle independent sound zone through a sound zone isolation processing and a sound zone sound quality optimization processing on the target acoustic response, the first acoustic response and the second acoustic response, wherein
the sound zone isolation processing comprises maximizing a difference between the first acoustic response in the control area and the first acoustic response in the non-control area, and maximizing a difference between the second acoustic response in the control area and the second acoustic response in the non-controlled region, the sound zone sound quality optimization processing comprises performing a response fitting on the first acoustic response, the second acoustic response and the target acoustic response.
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