hwk07A - Chapter 8 Solution RQ1. A linear system is one in...

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1 Chapter 8 Solution RQ1. A linear system is one in which doubling the driving force doubles the response. If two driving forces are applied to a linear system simultaneously, the response will be the sum of the responses to the driving forces individually. That is, the response of the system to one driving force is not affected by the presence of the second one. RQ4. As long as the frequency difference f ! is less than about 10Hz, the beats are easily perceived. When f ! exceeds 15Hz, the beat sensation disappears. The maximum number of beats between two sounds that can be heard is about 12-15Hz. RQ7. The two most consonant musical intervals are 2:1 octave (C/C) and 3:2 perfect fifth (G/C). RQ8. Second-order beats are the beats between two tones whose frequencies are nearly but not quite in a simple ratio. They are also called beats between mistuned consonances. QTD2. If the frequency difference between two pure tones is greater than the critical band, they sound constant; if it is less than the critical band they sound dissonant. From
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hwk07A - Chapter 8 Solution RQ1. A linear system is one in...

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