|WW II Long Distance Narrow Bandwidth; Toll Rate Drop|
25 Jul 2006 08:08:28 -0700
In reading Bell System histories, it appears that they purposely|
narrowed the bandwidth provided for voice long distance calls so as to
increase the capacity of circuits. During the war, the phone system
was under extremely heavy use.
Would anyone know more about this and when it was concluded?
IIRC, the normal bandwidth for telephone voice is about 4 KHz. I'm
I wonder how much it affected clarity.
There was a definite noticeable difference in voice quality between
However, when war broke out the 302 was pretty new and likely the vast
* * *
On 1/21/43 the Bell System lowered long distance rates. The initial
During the war the Bell System had a major ad campaign asking people
[TELECOM Digest Editor's Note: About the same time, the federal
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