Blind compensation of interchannel sampling frequency mismatch for ad hoc microphone array based on maximum likelihood estimation

@article{Miyabe2015BlindCO,
  title={Blind compensation of interchannel sampling frequency mismatch for ad hoc microphone array based on maximum likelihood estimation},
  author={Shigeki Miyabe and Nobutaka Ono and Shoji Makino},
  journal={Signal Processing},
  year={2015},
  volume={107},
  pages={185-196}
}
In this paper, we propose a novel method for the blind compensation of drift for the asynchronous recording of an ad hoc microphone array. Digital signals simultaneously observed by different recording devices have drift of the time differences between the observation channels because of the sampling frequency mismatch among the devices. On the basis of a model in which the time difference is constant within each short time frame but varies in proportion to the central time of the frame, the… CONTINUE READING
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