%Aigaion2 BibTeX export from Idiap Publications
%Tuesday 30 April 2024 03:08:30 PM

@TECHREPORT{Garner_Idiap-RR-15-2011,
         author = {Garner, Philip N.},
       keywords = {aurora, Automatic Speech Recognition, cepstral normalisation, Noise Robustness},
       projects = {IM2},
          month = {5},
          title = {Cepstral normalisation and the signal to noise ratio spectrum in automatic speech recognition.},
           type = {Idiap-RR},
         number = {Idiap-RR-15-2011},
           year = {2011},
    institution = {Idiap},
       abstract = {Cepstral normalisation in automatic speech recognition is
  investigated in the context of robustness to additive noise.  It is
  argued that such normalisation leads naturally to a speech feature
  based on signal to noise ratio rather than absolute energy (or
  power).  Explicit calculation of this {\em SNR-cepstrum} by means of a
  noise estimate is shown to have theoretical and practical advantages
  over the usual (energy based) cepstrum.  The SNR-cepstrum is shown
  to be almost identical to the articulation index known in
  psycho-acoustics.  Combination of the SNR-cepstrum with the well
  known perceptual linear prediction method is shown to be beneficial
  in noisy environments.},
            pdf = {https://publications.idiap.ch/attachments/reports/2010/Garner_Idiap-RR-15-2011.pdf}
}