[comp.sys.amiga.datacomm] Group III fax

chris@genly.UUCP (Chris Hind Genly) (05/08/91)

In article <8933@ucdavis.ucdavis.edu> zerkle@iris.ucdavis.edu (Dan Zerkle) writes:

>On a side note, the San Francisco talk radio station (KGO 810 AM) had
>a guest speaker who talked about faxes.  He said that the next
>standard for fax machines will transmit a page in 4 seconds.  I called
>up the show and got him to admit that this would require ISDN optical
>lines.  He also said that CCITT has already approved this standard for
>the next generation.  He also said that there IS in fact a method for
>error correction in modern faxes, to eliminate the degrading effect of
>line noise, contrary to what someone here once said.
>
>           Dan Zerkle  zerkle@iris.eecs.ucdavis.edu  (916) 754-0240
>           Amiga...  Because life is too short for boring computers.


Depends what he means by a modern fax.  Group III faxes have no error
correction for image transmission, Group IV faxes do.  Group III is what
you would have in your office.  Group IV is intended be connected to a
public data network such is ISDN.


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