Experiments in Hearing |
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Page 37
... stroboscopic frequency at a constant difference ( say , 1 cps ) from the frequency of the object under examination ... stroboscopic picture . The stroboscope was used in the frequency range from 10 to 2000 cps . Extract from Art . 67 ...
... stroboscopic frequency at a constant difference ( say , 1 cps ) from the frequency of the object under examination ... stroboscopic picture . The stroboscope was used in the frequency range from 10 to 2000 cps . Extract from Art . 67 ...
Page 38
... Stroboscopic observation showed that these flat crystals follow the movements ex- actly up to the highest frequencies investigated . With proper illumina- tion of the partition , the observer sees a large number of bright , shiny dots ...
... Stroboscopic observation showed that these flat crystals follow the movements ex- actly up to the highest frequencies investigated . With proper illumina- tion of the partition , the observer sees a large number of bright , shiny dots ...
Page 39
... Stroboscope openings -Green Amplifier Electrodynamic vibrating system FIG . 4-6 . Arrangement of the phase stroboscope . screen with a sine - shaped opening , and in front of this opening is a rotating stroboscopic shutter . The shutter ...
... Stroboscope openings -Green Amplifier Electrodynamic vibrating system FIG . 4-6 . Arrangement of the phase stroboscope . screen with a sine - shaped opening , and in front of this opening is a rotating stroboscopic shutter . The shutter ...
Contents
Problems of Auditory Research | 3 |
The Anatomy of the Ear | 11 |
Anatomical Techniques | 19 |
Copyright | |
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adjusted amplitude appears attenuation auditory basilar membrane beats bone cells close cochlear partition conduction constant continuous curve decrease determined difference limen direction displacement distance eardrum effect elastic electrical electrode equal excitation experiments fact fatigue field Figure fluid force frequency further give given head hearing increase indicated intensity lateral length loudness lower magnitude maximum means measurements meatus mechanical method microphonics middle moved movements necessary nerve normal observed obtained opening organ pattern phase position possible potential present produced pulses relation relative represents resistance resonance rotating round seems seen sensation separate shown in Fig shows side skin sound pressure stapes stimulation subjects surface switch theory threshold tion tone traveling tube variations varied various vibrations vibratory voltage volume wall waves whole window