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Posted by Randy Yates on 11/30/07 15:48
"Arny Krueger" <arnyk@hotpop.com> writes:
> "Eeyore" <rabbitsfriendsandrelations@hotmail.com> wrote in
> message news:474FF179.D8FADD56@hotmail.com
>> Richard Crowley wrote:
>>
>>> "Eeyore" wrote ...
>>>> Richard Crowley wrote:
>>>>> "Eeyore" wrote ...
>>>>
>>>>>> There is a BIG difference however. A true CODEC
>>>>>> operates
>>>>>> in real time. Zipping and unzipping files is however
>>>>>> not a real time process.
>>>>>>
>>>>>> Wikipedia also takes the view that codecs must be
>>>>>> real time. http://en.wikipedia.org/wiki/Codec
>>>>>> "A codec is a device or program capable of performing
>>>>>> encoding and decoding on a digital data stream or
>>>>>> signal. "
>>>>>
>>>>> Sorry, I can't see the words "real time" anywhere in
>>>>> your quote (or on the whole page, for that matter).
>>>>> Can you help us find them?
>>>>
>>>> A *signal* or *data stream* are real-time concepts.
>>>>
>>>> In comparison zipping and unzipping files is very much
>>>> NOT real-time.
>>>
>>> Then we must agree to disagree. I take it you are not
>>> a comptuer programmer? I've never before heard the
>>> notion that a "data stream" had any temporal implication.
>>
>> Maybe the streams and rivers in your world run on a
>> stop-start basis too ?
>
> Actually, that's the formal definition between a river and a creek. ;-)
>
> Creeks run start-stop, and rivers flow continuously.
So some signals are data creeks? :)
--
% Randy Yates % "She has an IQ of 1001, she has a jumpsuit
%% Fuquay-Varina, NC % on, and she's also a telephone."
%%% 919-577-9882 %
%%%% <yates@ieee.org> % 'Yours Truly, 2095', *Time*, ELO
http://www.digitalsignallabs.com
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