[opendtv] Re: Analog v Digital TV
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Mon, 15 Jan 2007 10:26:16 -0500
Craig Birkmaier wrote:
>> Yes, darn it, we agree you send some redundant info. (I am
>> doing it now ;-) ) I was both originally, and still, saying
>> and agreeing that no extra info is magically conjured up
>> ("provided") on the receiving end that was not sent, at
>> least in aggregate. Glad we have that cleared up.
>
> Obviously the issue is not cleared up. Once again Bert is
> smokin some good stuff.
>
> The MPEG encoded bit are what they are. There is no redundancy
> or error correction in the encoded bits. The MPEG encoder
> produces four main components of the image that the decoder
> uses to reconstruct the image:
Craig, you do have a way to introduce clueless arguments for the pure
pleasure of disagreeing.
I never said the MPEG process introiduces redundancy. Just try to follow
the discusasion, please.
I said the MPEG compression deliberately removes redundancy. That's how
it works. But then the digital transmission system reintroduces
redundancy in the bit stream, in the form of convolutional and block
forward error correction.
Get it? No reason to go on about how MPEG works.
Bert
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