Sentence Examples


  • When two notes are not quite in unison the resulting sound is found to alternate between a maximum and minimum of loudness recurring periodically.
  • - Sounds differ from each other only in the three respects of loudness, pitch and quality.
  • Taking the squares of the amplitude to represent the intensity or loudness of the sound which would be heard by an ear at the point, this is 4a 2 cos t ir(ni - n2)t =2a 2 {1 -cos 27r(n l - n2)t}, a value which ranges between o and 4a 2 with frequency .n1 - n2.
  • - Various devices have been successfully employed for making sounds of determinate loudness in order to test the hearing of partially deaf people.
  • But the converse, the measurement of the loudness of a sound not produced at our will, is by no means so easy.
 

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