100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
COMD 5070 - Final Exam Questions With 100%Verified Answers A+GRADED R232,20   Add to cart
Quickly navigate to
Preview
  2.  
  3. COMD 5070
  4.  
  5. COMD 5070

Exam (elaborations)

COMD 5070 - Final Exam Questions With 100%Verified Answers A+GRADED
 17 views  0 purchase
  • Course
  • COMD 5070
  • Institution
  • COMD 5070

COMD 5070 - Final Exam Questions With 100%Verified Answers A+GRADED what is science? what are the 4 features of the scientific method? - correct answer...-empirical -deterministic -predictive -parsimonious what does it mean for science to be empirical? - correct answer...based on data w...

[Show more]

Preview 2 out of 10  pages

Document information

  • August 12, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • comd 5070 final exam questions with 100verified

Written for

  • COMD 5070
  • COMD 5070

Seller

avatar-seller
agradesolutions

Reviews received

Content preview

COMD 5070 - Final Exam Questions With
100%Verified Answers A+GRADED
what is science? what are the 4 features of the scientific method? - correct
answer...✔✔-empirical
-deterministic
-predictive
-parsimonious

what does it mean for science to be empirical? - correct answer...✔✔based on data

what does it mean for science to be deterministic? - correct answer...✔✔obeys
physical laws

what does it mean for science to be predictive? - correct answer...✔✔if you do this....
then that will happen

what does it mean for science to be parsimonious? - correct answer...✔✔uses the
simplest explanation possible

how many semitones are in one octave? - correct answer...✔✔12 semitones

how much sampling is enough? - correct answer...✔✔sample at 2x the rate of the
highest frequency (e.g. data up to 5 kHz = sample at 10 kHz, data up to 100 Hz =
sample at 200 Hz)

what is the Nyquist frequency? - correct answer...✔✔half the sample rate

if you want to go up one octave, you ______ the frequency. - correct answer...✔✔
double

if you want to go down one octave, you ______ the frequency. - correct answer...✔✔
halve

what does a high pass filter do? - correct answer...✔✔allows high frequencies through

what does a low pass filter do? - correct answer...✔✔allows low frequencies through

what does a band pass filter do? - correct answer...✔✔allows a band of frequencies
through (mid)

what does a band reject filter do? - correct answer...✔✔holds back/attenuates a band
of frequencies (allows high and low frequencies)


AGRADESOLUTIONS

, what does a Fourier transform do? - correct answer...✔✔creates a spectrum from the
time domain waveform (deconstructs the waveform)

what is the cake analogy to a Fourier transform? - correct answer...✔✔analyze a cake
to learn its ingredients

what does a time domain display show? - correct answer...✔✔-a waveform represents
sound directly
-air pressure changes over time

what does a frequency domain display show? - correct answer...✔✔a line spectrum
shows the frequency components of a periodic sound

what is a FFT spectrum? - correct answer...✔✔fast Fourier transform
-shows harmonic energy
-each peak is a harmonic
-less clear at showing formants

what is FFT reveal more of? - correct answer...✔✔vocal SOURCE

what is a LPC spectrum? - correct answer...✔✔linear predictive coding
-shows spectral envelope (doesn't show individual harmonics)
-good at revealing formants

what does a LPC spectrum reveal more of? - correct answer...✔✔vocal tract FILTER

on a spectrum, a sine wave appears as ___________. - correct answer...✔✔a single
line

a line spectrum is a _______ in time. - correct answer...✔✔snapshot

what is the x-axis in a speech spectrogram? - correct answer...✔✔X = TIME

what is the y-axis in a speech spectrogram? - correct answer...✔✔Y = FREQUENCY

what does the darkness in a speech spectrogram represent? - correct answer...✔✔
darkness = INTENSITY

what is the difference between perturbation and modulation? - correct answer...✔✔
modulation is much slower than random cycle-to-cycle perturbation; modulation is
spread across many cycles

what is jitter? - correct answer...✔✔frequency perturbation



AGRADESOLUTIONS

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying this summary from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller agradesolutions. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R232,20. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

66579 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 14 years now

Start selling
R232,20
  • (0)
  Buy now