. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. 122 BELL SYSTEM TECHNICAL JOURNAL It is plain from curve E that the response of the system is a maxi- mum of frequencies in the neighborhood of 2,250 cycles. If, now, the observations already corrected for varying volume and for area of resonance curves, are subjected to further correction for the exaggera- tion of these frequencies, it is possible to draw a curve which shall -y EL-CTg-CAL OOTFOT t'^Cg'S''' Mf-M â ^ ExcEOS PEE-::otWE. pn DiA>Pl-lC*jem COMPEr~


. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. 122 BELL SYSTEM TECHNICAL JOURNAL It is plain from curve E that the response of the system is a maxi- mum of frequencies in the neighborhood of 2,250 cycles. If, now, the observations already corrected for varying volume and for area of resonance curves, are subjected to further correction for the exaggera- tion of these frequencies, it is possible to draw a curve which shall -y EL-CTg-CAL OOTFOT t'^Cg'S''' Mf-M â ^ ExcEOS PEE-::otWE. pn DiA>Pl-lC*jem COMPEr~OEB TEAflO'-MTTER CAl_lCjK«TIOri. AnPl_lFrCATIOI-( OF CICCOlT K\ k ^ \ MALE f /oice F FEMA,LE |\ , a t lOoo ?ooo 3000 FeEQOEr-<:-r !£*£» -ZO.^^ 2?000 AOOO Fig. 5âAnalysis of Individual Voices. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Telephone and Telegraph Company. [Short Hills, N. J. , etc. , American Telephone and Telegraph Co. ]


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1