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pro vyhledávání: '"August N. Kaelin"'
Publikováno v:
Signal Processing. 80:1807-1822
This paper presents a tutorial review of the problem of Blind Source Separation (BSS) and the properties of the classic adaptive algorithms when either the score-function or a general (nonscore) nonlinearity is employed in the algorithm. In new findi
Publikováno v:
International Journal of Adaptive Control and Signal Processing. 14:587-608
For adaptive filters with long impulse responses and requiring modelling by an FIR filter, algorithms incorporating computationally efficient DFT-based adaptive block filters are the design of choice. The reduction in computational complexity is very
Publikováno v:
Signal Processing. 64:71-85
People with loudness recruitment have a compressed dynamic range between the sound-pressure levels corresponding to threshold and discomfort. This highly frequency-dependent phenomenon requires a nonlinear filter for compensation. To achieve the high
Autor:
August N. Kaelin, S. Wyrsch
Publikováno v:
ISCAS (3)
In this paper a hearing aid concept working in subbands is presented. Consideration is given to the compensator for recruitment of loudness and the acoustic feedback cancellation. In addition, a step-size control for fast tracking and a constant erro
Autor:
S. Wyrsch, August N. Kaelin
Publikováno v:
ICECS
This paper compares the feedback cancellation performance of different partitioned block frequency-domain adaptive filter (PBFDAF) algorithms. The comparison is made for the error level of the echo canceler of an open and closed loop system of a hear
Autor:
August N. Kaelin, S. Wyrsch
Publikováno v:
ICASSP
In this paper a hearing aid concept with recruitment of loudness compensation and acoustic feedback cancellation is presented. Special consideration is given to the acoustic feedback canceler which uses only the available (e.g. speech) input signal f