Method for Determining a Signal Component for Reducing Noise in an Input Signal
AssigneeNuance Communications, Inc.
InventorsTobias Wolff, Markus Buck, Toby Christian Lawin-Ore
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Abstract
The invention provides a method for determining a signal component for reducing noise in an input signal, which comprises a noise component, comprising the steps of: estimating the noise component in the input signal, estimating a reverberation component in the noise component, and removing the estimated reverberation component from the estimated noise component to obtain a modified estimate of the noise component.
Claims26
A computer implemented method for determining a signal component for reducing noise in an input signal, which comprises a noise component, comprising the steps of:
- in a first computer process estimating the noise component in the input signal;
- in a second computer process estimating a reverberation component in the noise component;
- in a third computer process removing the estimated reverberation component from the estimated noise component to obtain a modified estimate of the noise component.
A computer program product including a computer readable storage medium having computer executable code thereon for determining a signal component for reducing noise in an input signal, which comprises a noise component, the computer code comprising:
- computer code for estimating the noise component in the input signal;
- computer code for estimating a reverberation component in the noise component;
- computer code for removing the estimated reverberation component from the estimated noise component to obtain a modified estimate of the noise component.
A computer program product having a computer readable storage medium having computer code thereon, the computer code executable on a processor for reducing noise in an input signal, the computer program product comprising:
- computer code for estimating the noise component in the input signal;
- computer code for estimating a reverberation component in the noise component;
- computer code for removing the estimated reverberation component from the estimated noise component to obtain a modified estimate of the noise component;
- and
- computer code for filtering the input signal based on the modified estimate of the noise component.
Dependencies are inferred from the claim text.