The Measurement of Hearing |
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Page 6
... output . The essential difference between measurements made on the auditory system and those made on a radio lies in the method of measuring the output . In the case of the radio , we measure both input and output with voltmeters and ...
... output . The essential difference between measurements made on the auditory system and those made on a radio lies in the method of measuring the output . In the case of the radio , we measure both input and output with voltmeters and ...
Page 79
... output of this stage is divided by the gain control , so that only the desired portion of it is applied to the second voltage amplifier . This second stage feeds the final power amplifier , whose output A 8 00 30 20 220 Amplification in ...
... output of this stage is divided by the gain control , so that only the desired portion of it is applied to the second voltage amplifier . This second stage feeds the final power amplifier , whose output A 8 00 30 20 220 Amplification in ...
Page 139
... output wave , Instantaneous input - output characteristic Time Time Output wave Input + FIG . 5.12 . The effect of the peak - clipping type of amplitude distortion on a speech wave . A linear transfer characteristic would show an output ...
... output wave , Instantaneous input - output characteristic Time Time Output wave Input + FIG . 5.12 . The effect of the peak - clipping type of amplitude distortion on a speech wave . A linear transfer characteristic would show an output ...
Contents
Foreword by Hallowell Davis V | 1 |
SOUND AND ELECTRICITY | 18 |
ELECTROACOUSTIC SYSTEMS | 63 |
Copyright | |
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Common terms and phrases
absolute threshold acoustic air conduction Amer amplifier amplitude articulation score attenuation audible audiogram audiometer audiometry auditory fatigue auditory system Auditory Test basic Békésy binaural bone conduction capacitance cent Chap circuit clinical audiometry clinician coil conditioning constant coupler curve cycles per second db SPL decibels diagnostic different frequencies Discrimination Loss discussed dyne/cm² ear canal earphone electrical energy equal loudness equal-loudness contours example experimental hearing aid Hearing Loss Hirsh increase listener Loss for Speech loud-speaker Loudness Level magnetic measurement of hearing method microphone monaural normal threshold observer obtained oscillator output over-all particular patient presented procedures produced Psychology psychophysical pure tones pure-tone recruitment relation relative resistance response S. S. Stevens scale Sensation Level shown in Fig sinusoidal skull Sound Pressure Level specified spectrum speech audiometer speech sounds spondees standard stimulus technique threshold of intelligibility tion transducer variable vibration voltage vowel wave waveform white noise words