[VoIP] And now for something COMPLETELY different!

[Steph Kerman]

AFAIK, all time announcement machines, including early ones using 
optical sound tracks, used individual tracks for the different spoken 
digits and composed a time message on the fly by playing them, along 
with other necessary phrases, in the correct order.  Otherwise a very 
long recording or series of recordings would have been required.

Prior to the intro of mechanized time announcements, Call Announcers 
were used in some cases to complete calls from dial offices to smaller 
manual offices.  Where the manual office was too small to justify 
modification or slated for conversion to dial soon, equipment in the 
dial office spoke the digits of the called number to an operator in the 
called office as soon as she answered the incoming trunk.  This was done 
with properly sequenced optical sound tracks side-by-side on a drum.   I 
assume this method was adopted in the earliest time announcers since 
anything else would be very cumbersome and repetitive to produce and 
maintain.

Steph

Steve Fields wrote:
> Is that how POPCORN worked -- by a sprocketed tape?
>
> Steve
>
>
>
>
> On Jan 27, 2008, at 7:16 PM, Steph Kerman wrote:
>
>> For the switcher who has everything:
>>
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=160203252660
>>
>> Not mine but I'd love to hear what it sounds like!
>>
>> Steph
>>
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