11. For example, a pure tone of 100 Hz has a period of 10 ms. 12. He had previously tried out sound synthesis with pure tones in " Studie I ". 13. Classical music is the best test, as it has periods of silence and pure tones . 14. The Dananshan tones are transcribed as pure tone . 15. This pure tone is complemented by the orchestra s employment of authentic articulation, phrasing and style. 16. Research showed that what ability remains is better with bang !-type noises than with pure tones . 17. Thus, the impression develops of chords formed from pures tone instead of a new sound quality. 18. In pure tone audiometry, an audiometer is used to play a series of tones using headphones. 19. Hamilton played with a gorgeous, pure tone that helped define the sound of the Ellington orchestra. 20. She exploded the concept of what beautiful singing means : Is it pretty sounds and pure tones ?
