Posted by Don Pearce on 11/30/07 09:54

On Fri, 30 Nov 2007 01:48:31 -0800, "Richard Crowley"
<rcrowley@xp7rt.net> wrote:

>
>"Don Pearce" <nospam@nospam.com> wrote in message
>news:4756da8c.255310484@news.plus.net...
>> 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.
>
>I take it that you aren't a programmer, either.

I have been. So tell me, what do you think is the difference between
data and data stream? In other words, what does the word stream mean
in this context?

d

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

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