What travels in a wave? correct answers Pressure fluctuation
How is the fundamental frequency calculated? correct answers Greatest common denominator of the component frequencies
Band-Pass Filter correct answers When you combine a high pass filter and a low pass filter, and the high pass cuto...
CSD 303 Final Exam || A+ GRADED.
What travels in a wave? correct answers Pressure fluctuation
How is the fundamental frequency calculated? correct answers Greatest common denominator of the component frequencies
Band-Pass Filter correct answers When you combine a high pass filter and a low pass filter, and the high pass cutoff is lower than the low pass cutoff, you get a band pass filter.
What is the vocal source for vowels and voiced consonants? correct answers Sound waves from the larynx
What does the vocal source include? correct answers Fundamental frequency and harmonics
What is the source for fricatives? correct answers Turbulence
What location of the obstacle in regards to the airflow will produce more turbulence? correct answers Perpendicular
What is the source for stops? correct answers Pressure impulse
What is a resonant frequency? correct answers The frequency the object likes to vibrate at
How is pressure reflected in a closed tube vs closed-open tube? correct answers Compression as compression, rarefaction as rarefaction in a closed tube, compression as rarefaction and vice versa in a closed-open tube.
What is a node/antinode? correct answers A node is a peak + trough, and an antinode is a peak + peak, or node + node.
What is the filter for fricatives? correct answers The front cavity of the vocal tract, in front of the constriction that causes the turbulence
What is the filter for stops? correct answers For stages 1 and 3, the whole vocal tract filters the the voicing source, but for stage 2 to 3, the front cavity of the vocal tract in front of the constriction filters the stop burst.
How does the constriction affect the side branches in nasals? correct answers The farther front the constriction is, the larger the side branch
What is Helmholtz resonance? correct answers A low frequency resonance that usually ends up being the first fundamental frequency of vowels that are made in this configuration
What is the acoustic consequence of branching filters for nasals? correct answers The frequencies resonant to the oral cavity are not transmitted out of the vocal tract and don't appear in the acoustic output: they are "absorbed" in the side branch and become anti-
resonances
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