Fft - Study guides, Class notes & Summaries

COMD 5070 Spectra - FFT, LPC week 3, lecture 1, part 2 with Complete Solutions

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COMD 5070 Final Exam (Latest 2023/ 2024 Update) Acoustics of Speech and Hearing| Questions and Verified Answers| 100% Correct| Grade A Q: what is the Nyquist frequency? half the sample rate Q: if you want to go up one octave, you ______ the frequency. Answer: double Q: if you want to go down one octave, you ______ the frequency. Answer: halve Q: what does a high pass filter do? Answer: allows high frequencies through Q: what does a low pass filte...

Which of the following is not a potential cause of artifact and diagnostic imaging? A. Operator error B. equipment malfunction C. Patient motion D. Ultrasound physics E. none of the above - ️️E. none of the above The four choices, A through D, represent the primary explanations of artifacts commonly seen in diagnostic ultrasound. What is the meaning of the term "analysis" in the context of spectral analysis of Doppler signals? A. Building a sophisticated signal from component...

What are the two spectrum discussed in this class? - CORRECT- ANSWER-FFT and LPC What does FFT stand for? - CORRECT- ANSWER-fast Fourier transform What does a FFT spectrum show us? - CORRECT- ANSWER-shows us the range of harmonics that are present in sound, each peak shows a harmonic What will FFT not show us very well? - CORRECT- ANSWER-formants Is the FFT display useful for displaying features of the sound source or the vocal tract filter? - CORRECT- ANSWER-the sound source What...

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BCIA Neurofeedback Exam: Demos study guide Day 2 with Complete Solutions Describe how electrical activity coming from the scalp is transformed into the EEG - Correct Answer Electrodes detect signals (in microvolts) coming from the scalp that are amplified and transformed via digital or analog processing. The EEG is an analog representation of electrical activity coming from the scalp. Morphology - Correct Answer The visible shapes and contours of the EEG waveform that give its visual appeara...

Welding and Heating Treating - Accurate Answers A ventilated hood, bench grinder, and a heavy duty bench vise are items that are found in the _____________ area of the gun shop. Cartridge Stop - Accurate Answers According to the video, SDI Intro to Gunsmithing, which mechanism of the 12 gauge pump ejects the shell? F. Dumoulin - Accurate Answers In the article titled, Gunsmithing Requires Innovation, the author had trouble finding reference material on which of the following barrel maker...

COMD 5070 - Final Exam Questions and Answers Latest updated 2024/2025 (100% Solved) what does it mean for science to be empirical? - based on data what does it mean for science to be deterministic? - obeys physical laws what does it mean for science to be predictive? - if you do this.... then that will happen what does it mean for science to be parsimonious? - uses the simplest explanation possible how many semitones are in one octave? - 12 semitones how much sampling is enough? - sample a...

What is enhancement caused by? weakly attenuating structures What is the multipath artifact? artifact caused by the sound beam bouncing off several different reflectors What is the typical value of PRF in diagnostic ultrasound? 1000-10,000 Hz or 1-10 KHz What are specular reflections? reflections that occur when the sound impinges upon a large, smooth reflector at a 90 degree angle. What are non-specular reflections? reflectors that are smaller than the wavelength of the incide...