[opendtv] Re: LG LST-3410A PVR
- From: Tom Barry <trbarry@xxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 09 Nov 2005 21:34:42 -0500
There are exceptions but as reported on AVS Forum most OTA broadcast
channels are not encrypted on cable. On Comcast for instance I can get
PBS, ABC, NBC, Fox. CBS has disappeared for some reason but that may
only be my own gear.
- Tom
John Willkie wrote:
> what unencrypted HDTV channels via QAM? I think you are more likely to find
> unencrypted SDTV channels on QAM, if they are available there in that form.
> Methinks that most to all DTV channels are only available in encrypted form,
> at least on the major systems.
>
> John Willkie
>
> -----Original Message-----
> From: Richard Hollandsworth <holl_ands@xxxxxxxxx>
> Sent: Nov 9, 2005 8:26 AM
> To: opendtv@xxxxxxxxxxxxx
> Subject: [opendtv] Re: LG LST-3410A PVR
>
> My comment was primarily directed to using the QAM tuner for unencrypted HD
> channels.
>
> However, many more unencrypted SD programs are becoming available for the QAM
> tuner.
>>From the ones that I have seen, they are a significant improvement over their
>>former analog versions.
>
> Most of the cable providers are in the process of "upgrading" to a DIGITAL
> SIMULCAST capability, wherein ALL of the analog channels are being replicated
> as unencrypted multiplexed SD channels. Eventually, most if not all, of the
> analog channels will be replaced by more HD channels (et. al) in order to
> match D* and E* upgrades.
>
> TWC-Raleigh reports that their conversion was completed about a month ago.
> On our local TWC-San Diego, the transition to Digital Simulcast is about 4/6
> complete.
> They are packing 13 analog channels into each of six unencrypted QAM-256
> multiplexes.
>
> Since many of the formerly non-local analog programs are now being
> transmitted from source-to-destination as all digital MPEG2 signals, we have
> noticed a significant improvement not only in the digital SD programs but
> also in the analog programs that are apparently being reconstituted via a
> local D/A conversion. Sci-Fi channel is a lot less blurry (but sadly, not
> HD).
>
> The accumulative degradation of the analog signal has been eliminated, which
> was no doubt being accerbated by using the oldest, worst-of-the-worst analog
> channels on C-Band.
>
> Advanced StatMuxes at the program generation center are claimed to help
> minimize artifacts...but let's face facts, these are highly compressed SD
> programs and are nowhere near as good as SD programs on Premium channels.
>
> I'm still comparing 1) OTA-NTSC and 2) Cable-NTSC to 3) Cable DVR-NTSC and 4)
> Cable DVR-QAM. Thus far it looks like a tie between 1) OTA-NTSC and 4) CATV
> DVR-QAM (Digital Simulcast). The 2) Cable-NTSC (direct connect cable to
> HDTV) is slightly grainy. The 3) cable DVR-NTSC signal is obviously
> degraded, since it goes through an extra analog to MPEG2 to HDMI conversion
> process in the DVR.
> I do not have a Cable QAM tuner, so cannot comment on that option, but I have
> seen reports that it is equal to better than any of the above, since the HDTV
> is presented directly with the MPEG2 digital signal.
>
> <holl_ands>
>
> //////////////////////////////////////////////////////
> Cliff Benham <cbenham@xxxxxxxxxxx> wrote:
> Most of the unencrypted QAM 64 or 256 multiplexes on cable are extremely
> low-pass filtered NTSC or SDI signals
> compressed digitally to fit up to 12 programs in a single 6 mHz channel.
> No attempt to bring you quality, just quantity.
> On a 19 inch TV who can tell?
>
> Richard Hollandsworth wrote:
>
>
>>LG site says it also receives unencrypted QAM, which might be useful for
>>recording local HD channels, as well as any analog channels on Basic Cable.
>>So a cable only user might find it useful to expand their channel selection
>>beyond just the locals, without incurring outrageous monthly fees.
>>Significant step above an on-air NTSC-only TIVO....
>>
>>
>>
>>
>
>
>
>
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