Re: Breaking Huffman Codes

From: Andrew Swallow (am.swallow_at_eatspam.btinternet.com)
Date: 05/29/03 

Date: Thu, 29 May 2003 13:19:37 +0000 (UTC)

<bill@nedell.com> wrote in message
news:c9089864.0305290218.70ef9021@posting.google.com...
> I am looking for information on decompressing data without having
> complete knowedge of how the data was originally compressed.
>
> The data I am dealing with comes from airline flight data recorders
> and I have been told that it uses a form of Huffman encoding. I have
> samples of the compressed and decompressed data but little other
> information about it's content.
>
First ask the manufacture, they may know which code is used.
Second run the decompressed code through a few types of codings.
When the compressed code matches you know how it was done.
There may be some data compression software on the internet.

Andrew Swallow