Automatic Bird Song Recognition |
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Page 32
... Linear Prediction Coding ( LPC ) techniques ( [ RS ] , Chapter 8 ) . The speech waveform is assumed to be accurately represented by a vector a of coefficients a ; using the model : s ( n ) = £ à ̧s ( n − k ) + Gu ( n ) where the s ( n ) ...
... Linear Prediction Coding ( LPC ) techniques ( [ RS ] , Chapter 8 ) . The speech waveform is assumed to be accurately represented by a vector a of coefficients a ; using the model : s ( n ) = £ à ̧s ( n − k ) + Gu ( n ) where the s ( n ) ...
Page 33
Edward R. Oswalt. The Linear Predictive model is used both in speech compression and in speech recognition . The speech recognition use is of interest to us here because it provides a distance metric which tends to take on small values ...
Edward R. Oswalt. The Linear Predictive model is used both in speech compression and in speech recognition . The speech recognition use is of interest to us here because it provides a distance metric which tends to take on small values ...
Page 45
... Linear Prediction Coefficients ( LPC's ) to it . The LPC fit can then be used for spectral information by means of its transfer function . The LPC's are fit using the covariance method and Cholesky decomposition ( [ RS ] , 407- 411 ) ...
... Linear Prediction Coefficients ( LPC's ) to it . The LPC fit can then be used for spectral information by means of its transfer function . The LPC's are fit using the covariance method and Cholesky decomposition ( [ RS ] , 407- 411 ) ...
Common terms and phrases
ACOUSTIC SUBSOURCE algorithm analysis average amplitude avian bird song recognition bird species California Quail calls CDFE centisecond cepstral cepstral peak Cepstrum chirp feature vectors chirp list Clark's Nutcracker comparison Computer congruent corresponding described in Section detected difference duration dynamic time warping entire song excursion cycle Figure 11b formula Greenewalt harmonics Hence High Low High House Finch human speech recognition individual integer inter-note distances internal tympaniform membranes Inverse Fourier Transform Itakura distance length Linear Prediction low frequency LPC distance metric magnitude Markov models noise Olive-sided Flycatcher phonemes present point range recognition system recordings represented ripples sample points sampling rate Scrub Jay segment of speech sequence of labels signal similar sine wave sonagrams song feature Song Sparrow sound spectral peaks spectrum squawk Steller's Jay SUBSOURCE OF PHONE Swainson's Thrush syntactic Theorem thesis trachea Typical upward zero crossing vocal tract Warbling Vireo waveform Western Meadowlark whistled White-crowned Sparrow