公开(公告)号：US11468874B2

公开(公告)日：2022-10-11

申请号：US17097616

申请日：2020-11-13

申请人： Google LLC

发明人： Guohua Sun ,  Jae Lee ,  Tiantian Xu

IPC分类号： H04R1/10 ,  G10K11/178

摘要： A hybrid ANC system that can allow a feedback microphone to receive the same external noise as a feedforward microphone. A processor can generate an anti-noise signal based on what both microphones received to cancel a broader range of frequencies of the external noise.

公开(公告)号：US20230055722A1

公开(公告)日：2023-02-23

申请号：US18045679

申请日：2022-10-11

申请人： Google LLC

发明人： Guohua Sun ,  Jae Lee ,  Tiantian Xu

IPC分类号： G10K11/178 ,  H04R1/10

摘要： A hybrid ANC system that can allow a feedback microphone to receive the same external noise as a feedforward microphone. A processor can generate an anti-noise signal based on what both microphones received to cancel a broader range of frequencies of the external noise.

公开(公告)号：US20220157290A1

公开(公告)日：2022-05-19

申请号：US17097616

申请日：2020-11-13

申请人： Google LLC

发明人： Guohua Sun ,  Jae Lee ,  Tiantian Xu

IPC分类号： G10K11/178 ,  H04R1/10

摘要： A hybrid ANC system that can allow a feedback microphone to receive the same external noise as a feedforward microphone. A processor can generate an anti-noise signal based on what both microphones received to cancel a broader range of frequencies of the external noise.