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In this letter, we propose a robust approach to time-delay estimation for acoustic indoor localization. Particularly, we focus on the acoustic indoor localization that works in real environments, which have been seldom addressed in previous studies. In the actual environments, it is difficult to estimate the correct time delays for localization due to multipath signals caused by acoustic reverberation...
In this paper, we propose a novel feature compensation approach based on the interacting multiple model (IMM) algorithm specially designed for joint processing of background noise and acoustic reverberation. Our approach to cope with the time-varying environmental parameters is to establish a switching linear dynamic model for the additive and convo-lutive distortions in the log-spectral domain. The...
The speech transmission index (STI) is an objective measurement that is used to assess the quality of speech transmission in room acoustics. This paper proposes a simplified method of blindly estimating the STI in room acoustics based on the concept of the modulation transfer function (MTF). STI can be estimated with this method in four steps: (1) MTF is estimated in the whole band from the reverberant...
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