| 31. | Its 12 new sound fields bring the unit's total to 39 and include one specifically developed to enhance Sci-Fi movies.
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| 32. | Therefore, when the sound field is present the beam is deflected and when it is absent the beam passes through undeviated.
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| 33. | The diagrams show the sound fields of an unfocused and a focusing ultrasonic transducer in water, plainly at differing energy levels.
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| 34. | The presence of a dipole sound field and a periodic force proportional to " U " 2 was confirmed by Powell.
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| 35. | This is an example of a whistle being driven in edge tone fashion but the result is a monopole sound field.
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| 36. | For this reason, microphones are often calibrated in more than one sound field, for example a pressure field and a free field.
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| 37. | Sound field audiometry may be more suitable when patients are unable to wear earphones, as the stimuli are usually presented by loudspeaker.
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| 38. | By switching the sound field on and off very rapidly the deflected beam appears and disappears in response ( digital modulation ).
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| 39. | The change of diffusers are often used to create more reflecting surfaces and further encourage even distribution of any particular sound field.
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| 40. | Denon hits the $ 1, 000 mark with its AVR2500, which scored a bull's-eye in its evocation of a spacious sound field.
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