Popular science monthly . urves, because a sound shapedin this precise manner is neces-sary before the twain recognizesthe letter U as such, Mr,Flowers feat consists in recog-nizing this principle, and indemonstrating it. He whispersthe whole alphabet into thetransmitter of the apparatusshown altove, and secures ac- curate pliotographs of the undula-tions, or letter patterns result-ing, A complete set of these isshown on Page 68. Mr,Floivers found that it makes nodifference who does the whisper-ing; the same wave form for thesame letter always results. Scien-tists recognize this as an immenses


Popular science monthly . urves, because a sound shapedin this precise manner is neces-sary before the twain recognizesthe letter U as such, Mr,Flowers feat consists in recog-nizing this principle, and indemonstrating it. He whispersthe whole alphabet into thetransmitter of the apparatusshown altove, and secures ac- curate pliotographs of the undula-tions, or letter patterns result-ing, A complete set of these isshown on Page 68. Mr,Floivers found that it makes nodifference who does the whisper-ing; the same wave form for thesame letter always results. Scien-tists recognize this as an immensestep in advance, because hereto-fore men attempting to get atthe real nature of speech havealways been frustrated becausethe higher harmonics blurred outthe true wave present. Theycould not deal with whisperedspeech because no apparatussensitive enough to record whis-pered speech existed, and thecurves they obtained with spokenspeech varied hopelessly witheach different speakers voice. 66 Experimenting with the Phonoscribe. This 7nachine is sometimes re-ferred lo as a phonoscribe. It isdesigned to lake dictation, writingwords down on paper in naturalcharacters as fast as spoken. It isof interest here us a forerunner ofthe voice-operated typewriter. Theman at the right is pronouncing tlieword boat as an example. Thebeing silent, produces no effect on


Size: 2202px × 1134px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872