. Annual report of the Board of Regents of the Smithsonian Institution . Fig. 4. — Berliner recordingphragm and stylus (1888).furnished by E. Berliner.) dia-(Cut 214 ANNUAL EEPORT SMITHSONIAN INSTITUTION, Fig. 5.—Berliner reproducing apparatus(1888). (Cut furnished by E. Berliner.) conditions of the diaphragm, which conditions necessarily vary from time totime, and constitute some of the causes of imperfect reproduction of recordedsounds. It is this feature of the positive control of the diaphragm, coupledwith the uniform friction and resistance in the cutting operation, andthe conseque
. Annual report of the Board of Regents of the Smithsonian Institution . Fig. 4. — Berliner recordingphragm and stylus (1888).furnished by E. Berliner.) dia-(Cut 214 ANNUAL EEPORT SMITHSONIAN INSTITUTION, Fig. 5.—Berliner reproducing apparatus(1888). (Cut furnished by E. Berliner.) conditions of the diaphragm, which conditions necessarily vary from time totime, and constitute some of the causes of imperfect reproduction of recordedsounds. It is this feature of the positive control of the diaphragm, coupledwith the uniform friction and resistance in the cutting operation, andthe consequent accurate tracing of the curve of the sound wave, thathas brought the Berliner type of machine to the forefront as a musical instrument. IVliile the cylindermachine with the up and downcut offers advantages for makingrecords at home and for officework, being handier, for instance,than the disk recording machine,it has not been found possible toobtain the same truth of repro-duction of musical sounds thatcan be obtained with the gramo-phone. An examination of themicroscopic undulations in thesound wave, v^diich determineits pitch, loudness, and quality of timbre (some examples of whichI shall show you
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840
