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Non-stationary Filtering Methods for Audio Signals

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This paper deals with filtering methods for audio signals using time frequency analysis. The concept of time frequency filtering is vital for the enhancement of non-stationary signals and systems. Time frequency filtering is performed as masking or convolution in the time frequency domain and is based on non-parametric modeling using direct convolution or multiplication. The application of filtering in the time frequency domain for the realisation of artificial reverberation is presented.

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