## Automatic Bird Song Recognition |

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Page 7

The whistled chirps of bird songs are usually nearly pure

sometimes the sum of two

independently in many species. Greenewalt shows clear examples of the two

The whistled chirps of bird songs are usually nearly pure

**sine waves**, orsometimes the sum of two

**sine waves**, since the two sources may operateindependently in many species. Greenewalt shows clear examples of the two

**sine waves**for ...Page 14

interval of a pure

sampling rate, the frequency of the wave can be calculated from the above

formula. Whereas it is difficult to analyze precisely the performance of this

technique for more ...

interval of a pure

**sine wave**; hence given the length of the interval and thesampling rate, the frequency of the wave can be calculated from the above

formula. Whereas it is difficult to analyze precisely the performance of this

technique for more ...

Page 30

4) ) of X(m) represents the strength of the corresponding complex wave, and X(m)

's phase (IPL), p.4) represents its offset in ... A

frequency is the highest frequency

...

4) ) of X(m) represents the strength of the corresponding complex wave, and X(m)

's phase (IPL), p.4) represents its offset in ... A

**sine wave**of half the samplingfrequency is the highest frequency

**sine wave**that can be recorded by a sampling...

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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