Real-time loudspeaker distance estimation with stereo audio

Real-time loudspeaker distance estimation with stereo audio. Nielsen, J. K., Gaubitch, N. D., Heusdens, R., Martinez, J., Jensen, T. L., & Jensen, S. H. In 2015 23rd European Signal Processing Conference (EUSIPCO), pages 250-254, Aug, 2015.

Paper doi abstract bibtex

Knowledge on how a number of loudspeakers are positioned relative to a listening position can be used to enhance the listening experience. Usually, these loudspeaker positions are estimated using calibration signals, either audible or psycho-acoustically hidden inside the desired audio signal. In this paper, we propose to use the desired audio signal instead. Specifically, we treat the case of estimating the distance between two loudspeakers playing back a stereo music or speech signal. In this connection, we develop a real-time maximum likelihood estimator and demonstrate that it has a variance in the millimetre range in a real environment for even a modest sampling frequency.

@InProceedings{7362383,
  author = {J. K. Nielsen and N. D. Gaubitch and R. Heusdens and J. Martinez and T. L. Jensen and S. H. Jensen},
  booktitle = {2015 23rd European Signal Processing Conference (EUSIPCO)},
  title = {Real-time loudspeaker distance estimation with stereo audio},
  year = {2015},
  pages = {250-254},
  abstract = {Knowledge on how a number of loudspeakers are positioned relative to a listening position can be used to enhance the listening experience. Usually, these loudspeaker positions are estimated using calibration signals, either audible or psycho-acoustically hidden inside the desired audio signal. In this paper, we propose to use the desired audio signal instead. Specifically, we treat the case of estimating the distance between two loudspeakers playing back a stereo music or speech signal. In this connection, we develop a real-time maximum likelihood estimator and demonstrate that it has a variance in the millimetre range in a real environment for even a modest sampling frequency.},
  keywords = {audio signal processing;loudspeakers;maximum likelihood estimation;real-time loudspeaker distance estimation;stereo audio signal;listening position;calibration signals;real-time maximum likelihood estimator;modest sampling frequency;Loudspeakers;Transceivers;Delays;Calibration;Microphones;Europe;Signal processing;Loudspeaker localisation;distance estimation;time-of-arrival estimation},
  doi = {10.1109/EUSIPCO.2015.7362383},
  issn = {2076-1465},
  month = {Aug},
  url = {https://www.eurasip.org/proceedings/eusipco/eusipco2015/papers/1570101929.pdf},
}

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