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Aslp 3030 Final Exam Questions and Answers 100% Pass | Latest Update

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Aslp 3030 Final Exam Questions and Answers 100% Pass | Latest Update What does the frequency of a wave describe? - The frequency of a wave describes how frequently a wave repeats. The F0 is the slowest repeating sound. What is a complex waveform? - Complex tones have many frequencies. They ar...

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  • September 15, 2024
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JOSHCLAY
Aslp 3030 Final Exam Questions and

Answers 100% Pass | Latest Update


What does the frequency of a wave describe? - ✔✔The frequency of a

wave describes how frequently a wave repeats. The F0 is the slowest

repeating sound.

What is a complex waveform? - ✔✔Complex tones have many frequencies.

They are sounds that have a repeating pattern; called periodic sounds.

These sounds have multiple frequencies and maintain a periodic shape,

the F0 is often the strongest, and the harmonics are integers of the F0.

How do speakers increase their perceived loudness? - ✔✔Increasing

(subglottal) pressure drives speech, larger vocal fold excursions, more

forceful vocal fold collisions, larger articulator movements, higher oral

pressure, a stronger consonant burst release, and lowered pitch.

What is the main thing that distinguishes a digital signal from an analog

signal? - ✔✔Analog signals are continuous (no gaps) in time and amplitude

and digital signals are discrete (snapshots over time) in time and amplitude.

, What is a sampling rate? - ✔✔The number of samples per second. Low

sample rate = few details. High = more connected, more dots.

What is quantization? - ✔✔The process by which you measure the signal

amplitude and assign it a digital number.

If we want to include speech sounds up to 22,000Hz in our digital recording

(without aliasing), how high would we need the sample rate to be? -

✔✔Sample at twice the rate of the highest frequency. We would need to

sample at 44,000Hz.

What is a spectrum and how is it different from a spectrogram? - ✔✔A

spectrum shows the frequencies that occurred in the waveform over a

selected length of time. It is a snapshot in time. X-axis = frequency, Y-axis

= amplitude. A spectrogram shows how spectrums change over time. X-

axis = time, Y-axis = frequency.

What is Fourier analysis/Fourier transform? - ✔✔Creates a "spectrum" by

analyzing waveforms. It presents all the different frequencies that make up

the complex wave.

What does the spectrum of a person's voice look like? - ✔✔Complex

periodic signals will have multiple lines. The voice source isn't truly

periodic; it's "nearly" periodic. The spectrum has no peaks. Some spread of

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