Trends in acquisition of individual head-related transfer functions

G Enzner, C Antweiler, S Spors - The Technology of Binaural Listening, 2013 - Springer
Head-related transfer functions, HRTFs, that is, the pair of acoustic transfer functions from a
sound source in anechoic space to the human ears, are important elements of binaural …

Perfect sequence lms for rapid acquisition of continuous-azimuth head related impulse responses

C Antweiler, G Enzner - … on Applications of Signal Processing to …, 2009 - ieeexplore.ieee.org
In recent publications, continuous-azimuth inference of head related impulse responses
(HRIRs) was treated as a time-varying system identification problem on the basis of …

Perfect-sweep NLMS for time-variant acoustic system identification

C Antweiler, A Telle, P Vary… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
Fast and robust acoustic system identification is still a research topic of interest, because of
the typically time-variant nature of acoustic systems and the natural performance limitation of …

Multi-channel system identification with perfect sequences

C Antweiler, R Martin, U Heute - Advances in Digital Speech …, 2008 - books.google.com
The fundamental problem of multi-channel system identification given the input and the
output signals of a multiple input–single output (MISO) system arises in many application …

Approximation of optimal step size control for acoustic echo cancellation

C Antweiler, J Grunwald… - 1997 IEEE International …, 1997 - ieeexplore.ieee.org
One of the most widely used gradient-based adaptation algorithms is the so called
normalized least mean square (NLMS) algorithm. The rate of convergence, misadjustment …

[HTML][HTML] Short-time coherence between repeated room impulse response measurements

K Prawda, SJ Schlecht, V Välimäki - The Journal of the Acoustical …, 2024 - pubs.aip.org
Room impulse responses (RIRs) vary over time due to fluctuations in atmospheric
temperature, humidity, and pressure. This can introduce uncertainties in room transfer …

State-space estimation of spatially dynamic room impulse responses using a room acoustic model-based prior

K MacWilliam, T Dietzen, R Ali… - Frontiers in Signal …, 2024 - frontiersin.org
Room impulse responses (RIRs) between static loudspeaker and microphone locations can
be estimated using a number of well-established measurement and inference procedures …

A Flexible Framework for Expectation Maximization-Based MIMO System Identification for Time-Variant Linear Acoustic Systems

T Kabzinski, P Jax - IEEE Open Journal of Signal Processing, 2023 - ieeexplore.ieee.org
Quasi-continuous system identification of time-variant linear acoustic systems can be
applied in various audio signal processing applications when numerous acoustic transfer …

[PDF][PDF] NLMS-type system identification of MISO systems with shifted perfect sequences

C Antweiler, A Telle, P Vary - Proc. IWAENC 2008, 2008 - ikspub.iks.rwth-aachen.de
This paper addresses the fundamental problem of multi-channel system identification given
the multiple input and single output signals of a MISO system. The presented approach is …

Kalman filter based stereo system identification with auto-and cross-decorrelation

S Kühl, C Antweiler, T Hübschen… - 2017 Hands-free Speech …, 2017 - ieeexplore.ieee.org
In stereo or multi-channel system identification, the most critical problems regarding online
identification, eg, for acoustic echo control, are the correlation properties of the excitation …