Automatic Bird Song Recognition |
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Page 30
... frequency less than half the sampling rate are represented by a corresponding X ( m ) ; this is in fact the case and is known as the Nyquist theorem ( [ RS ] , p . 24 ) . A sine wave of half the sampling frequency is the highest frequency ...
... frequency less than half the sampling rate are represented by a corresponding X ( m ) ; this is in fact the case and is known as the Nyquist theorem ( [ RS ] , p . 24 ) . A sine wave of half the sampling frequency is the highest frequency ...
Page 35
... sampling was done at a rate of 32766 samples per second , so that all frequencies below 16387 are recorded properly ( by the Nyquist theorem ) . Except for that represented in Figure 12b , all samples were 2048 points in length and ...
... sampling was done at a rate of 32766 samples per second , so that all frequencies below 16387 are recorded properly ( by the Nyquist theorem ) . Except for that represented in Figure 12b , all samples were 2048 points in length and ...
Page 45
... sampling rate of 32,766 samples per second , which captures nearly all of the frequency range of the available recordings . Typical waveforms consisted of 240,000 data points ( of 12 bits each ) -- about 11 seconds at the lower sampling ...
... sampling rate of 32,766 samples per second , which captures nearly all of the frequency range of the available recordings . Typical waveforms consisted of 240,000 data points ( of 12 bits each ) -- about 11 seconds at the lower sampling ...
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