Learning objectives
Theoretical and prescriptive fundamentals of acoustic amplification. Classification of acoustic devices.
Prerequisites
# <br />
The student must have sat the examinations of the Integrated Course of Audioprosthesis Techniques I.
Course unit content
<br />-Communication: General theory of communication. <br />
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-Cybernetic cycle. Use of the computer. <br />
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-The Auditory system (elements of anatomy and physiology). <br />
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-Hearing and communication. <br />
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-Acoustic quanta in information and communication. <br />
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-Acoustic and auditory parameters of sound. <br />
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-Auditory capacity and auditory perception. <br />
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-Auditory development. Maturation of auditory perception: <br />
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-Perceptual auditory skills. <br />
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-Psychoacoustics: speculative fields. <br />
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-Elements of Acoustical physics. <br />
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-Acoustic impedance. <br />
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-Weber Fechner’s psychophysical law. <br />
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-Decibels (dB SPL, dB HL, dB EM, 0 dB HL in vocal audiometry, calibration of the stimulus in auditory evoked potentials). <br />
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-Functions and limits of the human ear; range of audibility. <br />
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-The sound spectrum: pure sounds – complex sounds - noise. <br />
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-Measuring sound pressure level. <br />
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-Measuring noise. The phonometer. <br />
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-Noise level variations depending on distance. <br />
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-Equal loudness contours. <br />
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-Height measurement Scale. <br />
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-Phon Scale or subjective intensity. <br />
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- 'SON'.Scale. Relationship between SON and PHON. <br />
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-The sum of several sounds and their intensity (critical band – Steven’s Power Law). <br />
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-Masking effect. <br />
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-Psychoacoustic phenomena - temporal. <br />
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-Psychoacoustic phenomena - spatial. <br />
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-Environmental and architectural acoustics. <br />
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-Effects of noise on the hearing. <br />
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-Acoustic measuring instruments. <br />
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-Audiometry. <br />
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-The verbal signal: spectographic analysis. <br />
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-Noise interference in verbal communication. <br />
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-Verbal-acoustic communication; the verbal message. The environment in which communication takes place. The listener.
Bibliography
Massimo Del Bo - Manuale di Audiologia - Masson Edizione
