Patent ID: 11908441
Assignee: nan
Field: Other consumer goods (Other fields)
Classification: CPC G | IPC G  H

Claim 9:
10. A voice cancellation system, comprising:
a sound muffling chamber configured to cover both a nose and mouth of a user, wherein the sound muffling chamber includes soundproof material;
at least one microphone positioned in the sound muffling chamber, wherein the at least one microphone is configured to detect voice sound waves of the user in the sound muffling chamber and generate a voice signal;
a headband coupled to the sound muffling chamber, wherein the headband includes a tubular structure configured to extends circumferentially from the sound muffling chamber over a head of the user;
a sound silencing chamber positioned near an apex of the headband, wherein the sound silencing chamber includes at least one speaker;
at first sound decelerator in a left side of the tubular structure of the headband, wherein the first sound decelerator is fluidly coupled between a left side of the sound muffling chamber and the sound silencing chamber;
a second sound decelerator in a right side of the tubular structure of the headband, wherein the second sound decelerator is fluidly coupled between a right side of the sound muffling chamber and the sound silencing chamber;
a signal processing system configured to analyze the voice signal and generate a voice cancellation signal; and
wherein the at least one speaker generates analog sound waves in the sound silencing chamber in response to the digital voice cancellation signal.