METHOD TO DETECT AND REMOVE AUDIO DISTURBANCES FROM AUDIO SIGNALS CAPTURED AT VIDEO GAME CONTROLLERS
First Claim
1. A method for reducing a noise disturbance associated with an audio signal received through a microphone that is part of a video game controller, comprising operations of:
- magnifying a noise disturbance of the audio signal relative to a remaining component of the audio signal;
decreasing a sampling rate of the audio signal;
applying an even order derivative to the audio signal having the decreased sampling rate to define a detection signal; and
adjusting the noise disturbance of the audio signal according to a statistical average of the detection signal.
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Abstract
A method for reducing noise disturbance associated with an audio signal received through a microphone that is part of a video game controller, is provided. The method initiates with magnifying a noise disturbance of the audio signal relative to a remaining component of the audio signal. Then, a sampling rate of the audio signal is decreased. Next, an even order derivative is applied to the audio signal having the decreased sampling rate to define a detection signal. Then, the noise disturbance of the audio signal is adjusted according to a statistical average of the detection signal. A system capable of canceling disturbances associated with an audio signal, a video game controller, and an integrated circuit for reducing noise disturbances associated with an audio signal are included.
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Citations
19 Claims
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1. A method for reducing a noise disturbance associated with an audio signal received through a microphone that is part of a video game controller, comprising operations of:
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magnifying a noise disturbance of the audio signal relative to a remaining component of the audio signal; decreasing a sampling rate of the audio signal; applying an even order derivative to the audio signal having the decreased sampling rate to define a detection signal; and adjusting the noise disturbance of the audio signal according to a statistical average of the detection signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer readable medium having program instructions for reducing a noise disturbance associated with an audio signal received through a microphone of a video game controller, comprising operations of:
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program instructions for magnifying a noise disturbance of the audio signal relative to a remaining component of the audio signal; program instructions for decreasing a sampling rate of the audio signal; program instructions for applying an even order derivative to the audio signal having the decreased sampling rate to define a detection signal; and program instructions for adjusting the noise disturbance of the audio signal according to a statistical average of the detection signal. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for reducing a noise disturbance associated with an audio signal received through an array of microphones of a video game controller, comprising operations of:
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at a computing system having a processor that is in communication with the video game controller, receiving the audio signal and processing the operations of, magnifying a noise disturbance of the audio signal relative to a remaining component of the audio signal; decreasing a sampling rate of the audio signal; applying an even order derivative to the audio signal having the decreased sampling rate to define a detection signal; and adjusting the noise disturbance of the audio signal according to a statistical average of the detection signal. - View Dependent Claims (16, 17, 18, 19)
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Specification