Warp wrote:
> Eero Ahonen <aer### [at] removethiszbxtnetinvalid> wrote:
>> And when it's a piece of hardware, it most probably is a piece on
>> software on that hardware ;-).
> 
>   With simpler codecs it could be hardwired, so no software.

The old "voice scramblers" were that way: a comb filter to select out a 
bunch of frequencies, frequency shiufters to move them around, and then 
something to combine them up again.

-- 
Darren New, San Diego CA, USA (PST)
   Human nature dictates that toothpaste tubes spend
   much longer being almost empty than almost full.

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