Automatic Bird Song Recognition |
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Page 13
... zero crossing information . But by virtue of its use of statistics that are gathered to characterize background ... upward zero crossings of the signal , F is the sampling rate , and N is the number of points in the signal . An upward ...
... zero crossing information . But by virtue of its use of statistics that are gathered to characterize background ... upward zero crossings of the signal , F is the sampling rate , and N is the number of points in the signal . An upward ...
Page 14
... zero crossings , and Q ; is the position ( index j in the signal S ; ) of the ith zero crossing . The part of a signal from one upward zero crossing to the next is termed an excursion cycle . The " scatter " feature exists to indicate ...
... zero crossings , and Q ; is the position ( index j in the signal S ; ) of the ith zero crossing . The part of a signal from one upward zero crossing to the next is termed an excursion cycle . The " scatter " feature exists to indicate ...
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