Re: [hylafax-users] Poor PDF Quality

[breedish <breedish@xxxxxxxxx>]

Thanks, Lee.
Could you tell me how to enable ECM on my hylafax server?

28.07.08, 12:52, "Lee Howard" <faxguy@xxxxxxxxxxxxxxxx>:

> ECM is fax error correction.  It causes the sender to retransmit 
> portions of image data that are received corrupted at the receiver.
> Attached are two faxes of the original document that you provided.
> "fax.pdf" is the fax sent in normal resolution with a default 
> configuration using ECM.  Notice that the image corruption does not 
> exist on it as you showed in your sample before.
> "fax2.pdf" is the fax sent in normal resolution but with 
> "DITHERING=libtiff-fs" in etc/FaxModify (currently only a HylaFAX+ feature).
> Between these two and the sample that you sent before you should be able 
> to see the difference in what ECM provides as well as the difference 
> that is gained from an alternative dithering approach.
> Thanks,
> Lee.
> breedish wrote:
> > Greetings, Lee.
> >
> > Here is pdf itself and ps file. Could you tell me what is ECM communication in 2 words?
> >
> > 26.07.08, 22:47, "Lee Howard" <faxguy@xxxxxxxxxxxxxxxx>:
> >
> >   
> >> breedish wrote:
> >>     
> >>> Today i setup hylafax server and send PDF file, but a quality is very bad (in attach you can see the quality).
> >>>       
> >> I have a hard time believing that the attached image was generated by 
> >> the session which log you provided.  There looks to be image errors that 
> >> can only happen in non-ECM communication.
> >> Can you provide me a copy of the original source document?
> >> Thanks,
> >> Lee.
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> >
> >   

-- 
..:::breEDish:::..

Яндекс.Почта. Поищите спам где-нибудь еще http://mail.yandex.ru/nospam 


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