## Automatic Bird Song Recognition |

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500 – 0– —500– I I I 0 20 40

rectangular window 15 10 5– 0 I I I 0 5000 10000 15000 Figure 10b: Fourier

Transform of 10a (Log scale) 10 5– 0– | I I I 0 10 20 30 Figure 10c: Cepstrum of

10a (Inverse ...

500 – 0– —500– I I I 0 20 40

**60 Figure**10a: Waveform for the letter m,rectangular window 15 10 5– 0 I I I 0 5000 10000 15000 Figure 10b: Fourier

Transform of 10a (Log scale) 10 5– 0– | I I I 0 10 20 30 Figure 10c: Cepstrum of

10a (Inverse ...

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500 – 0– —500 – I I T 0 20 40

window 15 10 5– 0 I I I 0 5000 10000 15000 Figure 10e: Logarithm of Fourier

Transform of 10d 10 5– | | in | 0– I I I 0 10 20 30 Figure 10f: Cepstrum of 10d ...

500 – 0– —500 – I I T 0 20 40

**60 Figure**10d: Waveform for the letter m, Hammingwindow 15 10 5– 0 I I I 0 5000 10000 15000 Figure 10e: Logarithm of Fourier

Transform of 10d 10 5– | | in | 0– I I I 0 10 20 30 Figure 10f: Cepstrum of 10d ...

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1000 500– 0– —500 –1000 | T T I 0 20 40

Meadowlark 15 10– 5– I T I 0 5000 10000 15000 Figure 11b: Fourier Transform

of Western Meadowlark (Log scale) | 5 | | O II | | I I —I 0 10 20 30 Figure 11c: ...

1000 500– 0– —500 –1000 | T T I 0 20 40

**60 Figure**11a: Waveform of WesternMeadowlark 15 10– 5– I T I 0 5000 10000 15000 Figure 11b: Fourier Transform

of Western Meadowlark (Log scale) | 5 | | O II | | I I —I 0 10 20 30 Figure 11c: ...

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### Common terms and phrases

60 Figure acoustic algorithm analysis average amplitude avian bird song bird species California Quail calls CDFE cepstral cepstral peak Cepstrum chirp feature vectors chirp list Clark's Nutcracker comparison Computer congruent corresponding described in Section detected difference dynamic time warping entire song excursion cycle Figure 11b formula Frequency Frequency Duration glottal Greenewalt harmonics Hence High Low High House Finch human speech recognition I I I individual inter-note distances internal tympaniform membranes Itakura distance length Linear Prediction Low High Low magnitude Markov models noise Olive-sided Flycatcher phase 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 spectrum squawk Steller's Jay subsource Swainson's Thrush syntactic Theorem thesis trachea Typical upward zero crossing vibration vocal tract Warbling Vireo waveform Western Meadowlark whistled White-crowned Sparrow