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This paper addresses the problem of direction-of-arrival (DOA) estimation both in azimuthal and elevation angle from binaural sound that is processed with a head-related transfer function (HRTF). Previously, we proposed a weighted Wiener gain (WWG) method for two-dimensional DOA estimation with two-directional microphones. However, for signals processed with HRTFs, peaks in the spatial spectra of...
A frequency-domain OCDMA modulator is developed by integrating PLC encoders with LN modulators. This modulator can hold data signals in phase to carry out self-homodyne detection to reduce beat noise.
We propose and demonstrate phase-matched OCDM transmission based on multi-frequency self-homodyne detection. The feasibility is verified based on experiments using a developed PLC-LN module at the bit rate of 1.5 Gbit/s.
This paper proposes a method for online feedback path modeling in multichannel active noise control (ANC) systems. Previously we have proposed a method for online feedback path molding for single-channel ANC system. Here we modify and extend this method to multichannel ANC systems, in particular, we consider a 1 ?? 2 ?? 2 system comprising one reference microphone, two secondary loudspeakers and two...
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