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Acoustic echo arises due to the acoustic coupling between the loudspeaker and the microphone in a full-duplex voice communication device. How to reduce or eliminate echo has been an important problem in voice communications. This paper deals with this problem in the short-time Fourier transform (STFT) domain. An approach to acoustic echo suppression (AES) is developed, which uses a linear filter in...
This paper focuses on the class of single-channel noise reduction methods that are performed in the frequency domain via the short-time Fourier transform (STFT). The simplicity and relative effectiveness of this class of approaches make them the dominant choice in practical systems. Over the past years, many popular algorithms have been proposed. These algorithms, no matter how they are developed,...
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