1994-04-20 - Re: cryptophone ideas

Header Data

From: uri@watson.ibm.com
To: pgf@srl01.cacs.usl.edu (Phil G. Fraering)
Message Hash: abd49a25acebb8770f4731529270fa65a3e18acb3eceb04d4578dbe284da6c18
Message ID: <9404201734.AA14063@buoy.watson.ibm.com>
Reply To: <199404192239.AA17456@srl03.cacs.usl.edu>
UTC Datetime: 1994-04-20 17:34:35 UTC
Raw Date: Wed, 20 Apr 94 10:34:35 PDT

Raw message

From: uri@watson.ibm.com
Date: Wed, 20 Apr 94 10:34:35 PDT
To: pgf@srl01.cacs.usl.edu (Phil G. Fraering)
Subject: Re: cryptophone ideas
In-Reply-To: <199404192239.AA17456@srl03.cacs.usl.edu>
Message-ID: <9404201734.AA14063@buoy.watson.ibm.com>
MIME-Version: 1.0
Content-Type: text/plain


> >The ideal phone might be based on CPU's, RAM, and DSP's, with no
> >DES chips or anything like that.

Probaly CPU is not necessary...

> Have you seen the prices of used original NeXT equipment lately,
> or just the prices of single system boards from back in the 68030
> era?

No. Care to enlighten?

> Anyway, why do you need a DSP? I have read in several places that
> DSP's are going to be "replaced" by the CPU as time goes on and the
> CPUs just get more and more powerful.

Since, as somebody has already mentioned, DSP  is a CPU optimized
for price/performance in digital signal processing, the statement
above sounds funny. DSP chips will always be cheaper than general
purpose CPUs offering at least comparable performance.
--
Regards,
Uri         uri@watson.ibm.com      scifi!angmar!uri 	N2RIU
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