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The first part of this volume deals with the ways and means of recording and reproducing sound. The methods used in making impressions—phonography and electrodynamics—are described, and their relative values as analytic agents in experimental phonetics are discussed.
The second part deals with the methods of investigating the acts of singing and speaking per se and the relative merits of each.
Since each phonetic act is immediate and instantaneous, the evaluation of such acts requires massive statistical data. No sound is ever repeated in exactly the same way. The determination of norms and deviations is much more difficult in the field of phonetics than it is in fields where the variables are less subjective and therefore more controllable. The most important reason for this is the intimate connection between mental processes and the act of speech and vocalization. Instrumentation modifies the act which it attempts to determine. Not infrequently the
Handbuch der biologischen Arbeits-Methoden. Part V: Herstellung und methodische Verwertung von Schallaufnahmen; Untersuchungs-methoden der Stimme und Sprache. Arch Otolaryngol. 1934;19(2):295. doi:10.1001/archotol.1934.03790020141015
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