Posted by Don Pearce on 11/30/07 09:42

On Thu, 29 Nov 2007 23:11:02 -0800, "Richard Crowley"
<rcrowley@xp7rt.net> 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.

But it does, otherwise it would simply be data. The word stream
implies that the data is moving past you, and you must deal with it on
the fly.

d

--
Pearce Consulting
http://www.pearce.uk.com

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