|Re: WW II Long Distance Narrow Bandwidth; Toll Rate Drop|
|Robert Bonomi (firstname.lastname@example.org)|
Thu, 27 Jul 2006 01:46:29 -0000
In article <email@example.com>,|
> In reading Bell System histories, it appears that they purposely
> Would anyone know more about this and when it was concluded?
> IIRC, the normal bandwidth for telephone voice is about 4 KHz. I'm
'Traditional' voice bandpass was 300-3,000 Hz, with a fairly sharp roll-off
> I wonder how much it affected clarity.
To paraphrase a Clintonism, "it depends on what you mean by
If you know a ham operator that plays on the HF frequencies, you an
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