## Automatic Bird Song Recognition |

### From inside the book

Results 1-3 of 7

Page 31

The

logarithm of the magnitude of the Fourier transform of the signal [RS]. Taking the

magnitude of the Fourier transformed signal removes the phase information in

the ...

The

**Cepstrum**The**cepstrum**of a signal is the inverse Fourier transform of thelogarithm of the magnitude of the Fourier transform of the signal [RS]. Taking the

magnitude of the Fourier transformed signal removes the phase information in

the ...

Page 32

When the

sharp peak at the period of the glottal vibration. The

signal, is a function taking arguments from the time domain. In the

these time ...

When the

**cepstrum**is taken of a segment of voiced speech, the result has asharp peak at the period of the glottal vibration. The

**cepstrum**, like the originalsignal, is a function taking arguments from the time domain. In the

**cepstrum**,these time ...

Page 34

In Figure 10a, the pitch period of this author's pronunciation of the letter "m" is

clearly around 6.9 msec; Figure 10b shows the pulse and its harmonics about

every 140 Hz; and Figure 10c shows the

...

In Figure 10a, the pitch period of this author's pronunciation of the letter "m" is

clearly around 6.9 msec; Figure 10b shows the pulse and its harmonics about

every 140 Hz; and Figure 10c shows the

**cepstral**peak at 6.9 msec. For bird song...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### 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