Automatic Bird Song Recognition |
From inside the book
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Page 60
... Figure 10a : Waveform for the letter m , rectangular window 5000 10000 Figure 10b : Fourier Transform of 10a ( Log scale ) 10 20 15000 Figure 10c : Cepstrum of 10a ( Inverse Fourier Transorm of 10b ) 60 30 500 0 -500 0 15 10 5- 0 0 10 60.
... Figure 10a : Waveform for the letter m , rectangular window 5000 10000 Figure 10b : Fourier Transform of 10a ( Log scale ) 10 20 15000 Figure 10c : Cepstrum of 10a ( Inverse Fourier Transorm of 10b ) 60 30 500 0 -500 0 15 10 5- 0 0 10 60.
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... Figure 10d : Waveform for the letter m , Hamming window 5000 10000 Figure 10e : Logarithm of Fourier Transform of 10d 10 20 15000 Figure 10f : Cepstrum of 10d ( Inverse Fourier Transform of 10e ) 60 30 1000 500 0- -500- -1000 15 0 10- 5 ...
... Figure 10d : Waveform for the letter m , Hamming window 5000 10000 Figure 10e : Logarithm of Fourier Transform of 10d 10 20 15000 Figure 10f : Cepstrum of 10d ( Inverse Fourier Transform of 10e ) 60 30 1000 500 0- -500- -1000 15 0 10- 5 ...
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... Figure 11b : Fourier Transform of Western Meadowlark ( Log scale ) 30 10 20 Figure 11c : Inverse Fourier Transform of 11b ( Cepstrum of 11a ) 20 40 60 15 10- 5- 5 0 0 5000 10000 Figure 11e. Figure 11d : Waveform of California Quail. 62.
... Figure 11b : Fourier Transform of Western Meadowlark ( Log scale ) 30 10 20 Figure 11c : Inverse Fourier Transform of 11b ( Cepstrum of 11a ) 20 40 60 15 10- 5- 5 0 0 5000 10000 Figure 11e. Figure 11d : Waveform of California Quail. 62.
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