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Re: Can cable and DSL modems do data compressions?

From "David H. Lipman" <DLipman~nospam~@Verizon.Net>
Newsgroups comp.dcom.modems.cable, comp.dcom.adsl, comp.dcom.xdsl, comp.sys.dcom.xdsl, dsl.help
References <kZGdnaCg2cIi55jPnZ2dnUVZ_j6dnZ2d@earthlink.com> <4PSdnRwHU4AH0JvPnZ2dnUVZ_qKdnZ2d@giganews.com> <2t6dnXH7rJknE5vPnZ2dnUVZ_qmdnZ2d@earthlink.com> <ku7su403av@news1.newsguy.com> <JfqdnTuahJuuhpXPnZ2dnUVZ_s6dnZ2d@earthlink.com>
Subject Re: Can cable and DSL modems do data compressions?
Date 2013-08-11 20:29 -0400
Organization DHL
Message-ID <qPqdnbKQCJ34sZXPnZ2dnUVZ_oGdnZ2d@giganews.com> (permalink)

Cross-posted to 5 groups.

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From: "Ant" <ANTant@zimage.com>

>>>>> I know dial-up modems can compressed datas if not already. Can cable
>>>>> modems do the same too?
>>>
>>>> Both DSL and Cable use Quadrature Amplitude Mdulation (QAM)
>>>> http://en.wikipedia.org/wiki/Qam
>>>
>>>> http://club.myce.com/f181/overview-qam-hd-signal-compression-mpeg2-242503/
>>>
>>> Um, isn't that for video/TV stuff?
>
>> I'll help you understand the technology.  TV is now digital.
>
> I wasn't talking about video/TVs stuff. I was talking about Internet.
> Dial-up modems didn't do TV/video stuff.

It uses the same technology.

VDSL and DOCSIS QAM.

You have to look at the question from the POV of the OSI model.

-- 
Dave
Multi-AV Scanning Tool - http://multi-av.thespykiller.co.uk
http://www.pctipp.ch/downloads/dl/35905.asp 

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Thread

Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-09 18:26 -0500
  Re: Can cable and DSL modems do data compressions? Andrew Rossmann <andysnewsreply@no_junk.comcast.net> - 2013-08-10 07:28 -0500
  Re: Can cable and DSL modems do data compressions? "David H. Lipman" <DLipman~nospam~@Verizon.Net> - 2013-08-10 10:26 -0400
    Re: Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-10 14:04 -0500
      Re: Can cable and DSL modems do data compressions? "David H. Lipman" <DLipman~nospam~@Verizon.Net> - 2013-08-11 07:35 -0400
        Re: Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-11 18:16 -0500
          Re: Can cable and DSL modems do data compressions? "David H. Lipman" <DLipman~nospam~@Verizon.Net> - 2013-08-11 20:29 -0400
          Re: Can cable and DSL modems do data compressions? "Elmo P. Shagnasty" <elmop@nastydesigns.com> - 2013-08-11 21:45 -0400
            Re: Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-12 19:43 -0500
              Re: Can cable and DSL modems do data compressions? "Elmo P. Shagnasty" <elmop@nastydesigns.com> - 2013-08-13 05:14 -0400
                Re: Can cable and DSL modems do data compressions? Retired <Retired@home.com> - 2013-08-13 13:35 -0400
                Re: Can cable and DSL modems do data compressions? "Elmo P. Shagnasty" <elmop@nastydesigns.com> - 2013-08-13 21:37 -0400
                Re: Can cable and DSL modems do data compressions? "ps56k" <pschuman_no5pam_m3@interserv.com> - 2013-08-29 22:54 -0500
                Re: Can cable and DSL modems do data compressions? Retired <Retired@home.com> - 2013-08-30 13:13 -0400
                Re: Can cable and DSL modems do data compressions? "ps56k" <pschuman_no5pam_m3@interserv.com> - 2013-09-10 16:13 -0500
  Re: Can cable and DSL modems do data compressions? jeffj@panix.com (Jeff Jonas) - 2013-08-27 19:33 -0400

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