US 11,948,593 B2
Method and apparatus for removing noise from sound signal from microphone
Bin Du, Shanghai (CN); and Tongtong Jiao, Shanghai (CN)
Assigned to Robert Bosch GmbH, Stuttgart (DE)
Filed by Robert Bosch GmbH, Stuttgart (DE)
Filed on Jun. 21, 2022, as Appl. No. 17/845,214.
Claims priority of application No. 202110734412.8 (CN), filed on Jun. 30, 2021.
Prior Publication US 2023/0005494 A1, Jan. 5, 2023
Int. Cl. G10L 21/0232 (2013.01); G01P 1/02 (2006.01); G01P 15/00 (2006.01); G10L 15/22 (2006.01); G10L 21/0216 (2013.01); H04R 1/02 (2006.01); H04R 1/08 (2006.01); H04R 3/00 (2006.01); H04R 29/00 (2006.01)
CPC G10L 21/0232 (2013.01) [G01P 1/023 (2013.01); G01P 15/00 (2013.01); G10L 15/22 (2013.01); H04R 1/025 (2013.01); H04R 1/08 (2013.01); H04R 3/00 (2013.01); H04R 29/001 (2013.01); G10L 2021/02163 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An apparatus for sound collection and playback, comprising:
a loudspeaker;
a microphone configured to receive a sound signal;
a vibration monitoring device, mechanically connected to the loudspeaker and being configured to generate a vibration signal indicating vibration caused by a sound emitted by the loudspeaker; and
a processor configured remove noise from the sound signal by:
receiving the vibration signal;
receiving the sound signal; and
removing the vibration signal from the sound signal so as to remove noise from the sound signal,
wherein the apparatus is a smart sound box or a smart television, and the processor is further configured to perform voice recognition on the basis of the noise-removed sound signal.