Invention Application
US20160125865A1 SUPPRESSING SUDDEN CABIN NOISE DURING HANDS-FREE AUDIO MICROPHONE USE IN A VEHICLE
有权
在车内使用无声音频麦克风时禁止SUDDEN CABIN NOISE
- Patent Title: SUPPRESSING SUDDEN CABIN NOISE DURING HANDS-FREE AUDIO MICROPHONE USE IN A VEHICLE
- Patent Title (中): 在车内使用无声音频麦克风时禁止SUDDEN CABIN NOISE
-
Application No.: US14529743Application Date: 2014-10-31
-
Publication No.: US20160125865A1Publication Date: 2016-05-05
- Inventor: Bassam S. Shahmurad , MD Foezur Rahman Chowdhury
- Applicant: GM Global Technology Operations LLC , General Motors LLC
- Main IPC: G10K11/16
- IPC: G10K11/16

Abstract:
A vehicle audio quality system for suppressing sudden vehicle cabin noise is provided, as well as methods of using the system. The system includes: an arrangement of heterogeneous microphones and a noise cancelation module (NCM). The microphone arrangement includes: a first microphone and a plurality of secondary microphones. The NCM includes a controller and a non-transitory computer-readable medium for storing application software executable by the controller to improve the quality of desired cabin audio received by the first microphone, the software performing the steps of: receiving a desired audio input from the first microphone; receiving supplemental audio input via the plurality of secondary microphones that includes a sudden cabin noise input; and applying a suppression procedure to the sudden cabin noise input.
Public/Granted literature
- US09343057B1 Suppressing sudden cabin noise during hands-free audio microphone use in a vehicle Public/Granted day:2016-05-17
Information query