## Automatic Bird Song Recognition |

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interval of a pure sine wave; hence given the length of the interval and the

sampling rate, the

means that low

interval of a pure sine wave; hence given the length of the interval and the

sampling rate, the

**frequency**of the wave can be ... Division using this methodmeans that low

**frequency**"fifths" have**duration**longer than one fifth of the**duration**of the ...Page 26

corresponds. to one chirp. Particular sequences were handpicked to represent

each particular species. Only three of the chirp features are used in the

specification for each label:

corresponds. to one chirp. Particular sequences were handpicked to represent

each particular species. Only three of the chirp features are used in the

specification for each label:

**frequency**,**duration**, and starting ...Page 28

Olive-sided flycatcher Low High Low High Low High

.3 .41 X X Wrentit - Low High Low High Low High

...

Olive-sided flycatcher Low High Low High Low High

**Frequency Frequency****Duration**Duration Start Start 2300 3000 .04 .08 X X 600 1000 .18 .3 X X -800 -80.3 .41 X X Wrentit - Low High Low High Low High

**Frequency Frequency Duration**...

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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