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Non-stationary Filtering Methods for Audio Signals

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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