G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 21/02 (2006.01)
Patent
CA 2485800
A method and system use an alternative sensor signal received from a sensor other than an air conduction microphone to estimate a clean speech value. The estimation uses either the alternative sensor signal alone, or in conjunction with the air conduction microphone signal. The clean speech value is estimated without using a model trained from noisy training data collected from an air conduction microphone. Under one embodiment, correction vectors are added to a vector formed from the alternative sensor signal in order to form a filter, which is applied to the air conductive microphone signal to produce the clean speech estimate. In other embodiments, the pitch of a speech signal is determined from the alternative sensor signal and is used to decompose an air conduction microphone signal. The decomposed signal is then used to determine a clean signal estimate.
Acero Alejandro
Deng Li
Droppo James G.
Huang Xuedong David
Liu Zicheng
Microsoft Corporation
Smart & Biggar
LandOfFree
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