| 41. | Thus the response of these neurons is a function of the difference in sound pressure between the two ears.
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| 42. | This method is applicable primarily to ultrasound and to lower sound pressures, often in water and in medical imaging.
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| 43. | :Sound pressure waves emitted from the port are reflected by the floor so creating a resonant column of air.
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| 44. | :Go to Radio Shack or whatever your local electronics store is and pick up a sound pressure level meter.
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| 45. | Statistically significant health effects did however start as early as from an average sound pressure level of 40 decibel.
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| 46. | Sounds containing spectral components in many critical bands are perceived as louder even if the total sound pressure remains constant.
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| 47. | The strength of echo is frequently measured in dB sound pressure level ( SPL ) relative to the directly transmitted wave.
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| 48. | P _ L and P _ R represent the amplitude of sound pressure at entrances of left and right ear canal.
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| 49. | For free field conditions between the two microphones the sound pressure in the far field can be calculated and it follows
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| 50. | Subwoofers also vary in regard to the sound pressure levels achievable and the distortion levels they can produce over their range.
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