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CHAPTER 15 Sound

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13. Sound Properties What physical charac-teristic of a sound wave should be changed to change the pitch of the sound? To change the loudness? frequency; amplitude 14. Decibel Scale How much greater is the sound pressure level of a typical rock band’s music (110 dB) than a normal conversation (50 dB)? The sound pressure level increases by

  Chapter, Music, Sound, The sound

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