1. A third-octave analyzer can only show broad-band spectra because of its 1/3 octave resolution. T or F

2. The display of the frequency content of a complex tone is a(n) _________.

A. audio spectrum

B. line spectrum

C. continuous spectrum

D. broad-band spectrum

3. The Fourier theorem shows that a (A. _____ periodic / B. _______ aperiodic) waveform can be analyzed as a harmonic spectrum.

4. Fourier analysis shows that the waveform referred to in Question 3 can be analyzed as the sum of a set of ____________, each having a specific _____________.

First blank	A. harmonic sine waves	B. inharmonic sine waves	C. partials	D. bands
Second blank	A. waveform	B. amplitude	C. envelope	D. bandwidth

5. The ear can hear various harmonics separately in a complex tone up to the point where the frequencies involved lie closer than a _________.

A. jnd of frequency

B. difference frequency

C. masking threshold

D. critical bandwidth

6. As the duration of a periodic waveform increases, one progressively perceives  _________, then __________ and finally _________.

First blank	A. a broad-band transient (click)	B. pitch	C. its timbral character	D. frequency
Second blank	A. frequency	B. pitch	C. its timbral character	D. loudness
Third blank	A. frequency	B. pitch	C. its timbral character	D. loudness

7. The unique pitch heard in a complex tone is usually its __________.

A. fundamental

B. root

C. formant

D. mass

8. In the inner ear, frequency is analyzed along the length of the ___________.

A. cochlea

B. organ of Corti

C. basilar membrane

D. hair cells

9. According to Fourier analysis of actual periodic sounds, the strengths of the individual harmonics are exactly constant only during the steady portion. T or F

10. The pitch of a tone is reinforced by its harmonics, and may even be heard when the fundamental is weak or missing. T or F

11. The presence, relative strength, and time variation of harmonics or partials in a spectrum are principally responsible for the perceived timbre of a sound. T or F

12. The principal difference between the timbre of a gong or bell, and that of a flute is that the spectrum of the gong or bell contains _____.

A. onset transients

B. inharmonic overtones

C. residue components

D. combination tones

13. Which term does not belong?

A. partial

B. band

C. overtone

D. sideband

14. Which of these is not characterized as having a continuous spectrum?

A. white noise

B. a broad-band sound

C. a complex tone

D. a click

15. On a logarithmic frequency scale, the components of the harmonic series are equally spaced since the doubling of frequency produces equal pitch increments. T or F

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