In this period which become very modern technology , many enterprises offer many kind of hand phone which have fitur that can make more easy for user, one of the fitur is loudspeaker mode which completed with noise cancellation , so user will not hear their voice back. In this final project will be made a program that can describe how does a hand phone or cell phone can lose the noise cancellation which appears because of the user's voice . It will be used an adaptive filter with Normalized Least Means Square (NLMS) method , that use DSP board 6713. Adaptive filter is a filter that it's coefficient arrange. Key word: Normalized Least Means Square (NLMS), adaptive filter FIR, noise cancellation
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