Riede, Tobias : Vocal changes in animals during disorders

Attached Audiofiles

All recordings were sampled with 22050Hz and 16bit and stored as PCM WAV files. The software used was Cool Edit 1.6 .

Figure3_3a.wav: The calls were recorded by Tobias Riede at the Clinic for Small Animals, Freie Universitaet Berlin. Those calls were uttered by the cat on the third day in the clinic. Some of the signals are shown spectrographically in Figure 3.3a .

Figure3_3b.wav: The calls were recorded by Tobias Riede at the Clinic for Small Animals, Freie Universitaet Berlin. The calls are from the seventh day in the clinic. Some of the signals are shown spectrographically in Figure 3.3b

Figure3_4.wav: The chorus howling was recorded by Doreen Mehwald at the Eberhard-Trumler-Station, Birken-Honigessen, Germany. The chorus is shown spectrographically in Figure 3.4 . Alltogether 4 individuals are involved.

Figure3_8.wav: The first signal (recorded by Patrick Mergell) is from a 24 years old woman who was asked to imitate Schaka's vocalization which is the second signal. Figure 3.8 shows both signals spectrographically. The woman is able to produce biphonation intentionally.

Figure4_3.wav: The dog barks were recorded by Tobias Riede at the Clinic for Small Animals at the Freie Universität Berlin. As a human speaker indicates the first sequence represent calls with low harmonic-to-noise-ratio, the second with a medium and the third one with a high ratio. The three sequences came from three Dachshunds. Figure 4.3 shows the spectrograms of three barks with different harmonic-to-noise-ratio.


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