|
Dennis Mayer wrote:
Bruiser wrote: Brad Houser wrote: "Bruiser" wrote in message ... I've been reading on www.hdtvpub.com that DTV should not be confused with Digital TV, but I can't find exactly why. Could someone please clear this up for me? Thanks. I don't think there is any confusion. DTV is sometimes used as a shorthand for DirecTV, the satellite provider. While it is using a digital stream to send video and audio, it has nothing to do with the Digital TV standards. It should be obvious from the context. DTV usually means Digital TV, as defined by the ATSC (Advanced Television Systems Committee). www.atsc.org is their web. They created the standards for the 18 different digital television formats: http://support.gateway.com/s/CsmrElt...984faq42.shtml If you could quote where it says there is a difference, I could respond to that specifically. Brad Houser Brad, I did mis-speak: while HDTVPub.com does use "DTV" to mean Digital TV, the exact quote is: "...please remember that digital cable is not DTV..." (http://www.hdtvpub.com/reception/dtvcablecompany.cfm) So if my cable company (Adelphia) is offering digital cable reception, that only refers to the way it is piped in, but the format remains the same? In other words, on an HDTV set with the proper STB, would digital cable reception look any different that regular analog? I know it wouldn't be or look like high def, but would there be any inherent benefit in upgrading my service to a digital package if I didn't particularly care for the channel lineup (Adelphia will rent me the STB for $9.95/mo in order to receive local station in high def, without having to do the entire upgrade to digital cable)? My understanding is that digital cable allows the cable company to increase the bandwidth and broadcast more channels with crisper audio, but that's about it. Is this correct? Bruce All Cable TV Programs, be they Analog, Digital, or Hi Def Digital run thru the same cable but as Groups of channels at Different Frequencies. Do not buy the SD Digital Package... This does not guarantee a Super Picture ie: SD (Std Def). Purchase the Cable Analog package plus the Hi Def package to get the best bang for the Cable Buck... The Cable Hi Def 'QAM' Box may rent for $8/ month... Thanks, that's what I needed to know (I believe Adelphia's HDTV basic package is $9.95/mo. on top of the ~$42 I'm spending on the classic cable package). So, back to basics: digital cable is pretty much pointless, quality-wise. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? Guess you can tell I'm pretty new to all this. ;) |
On Tue, 3 Aug 2004 17:57:38 -0700, "Bruiser" wrote:
Dennis Mayer wrote: Bruiser wrote: Brad Houser wrote: "Bruiser" wrote in message ... I've been reading on www.hdtvpub.com that DTV should not be confused with Digital TV, but I can't find exactly why. Could someone please clear this up for me? Thanks. I don't think there is any confusion. DTV is sometimes used as a shorthand for DirecTV, the satellite provider. While it is using a digital stream to send video and audio, it has nothing to do with the Digital TV standards. It should be obvious from the context. DTV usually means Digital TV, as defined by the ATSC (Advanced Television Systems Committee). www.atsc.org is their web. They created the standards for the 18 different digital television formats: http://support.gateway.com/s/CsmrElt...984faq42.shtml If you could quote where it says there is a difference, I could respond to that specifically. Brad Houser Brad, I did mis-speak: while HDTVPub.com does use "DTV" to mean Digital TV, the exact quote is: "...please remember that digital cable is not DTV..." (http://www.hdtvpub.com/reception/dtvcablecompany.cfm) So if my cable company (Adelphia) is offering digital cable reception, that only refers to the way it is piped in, but the format remains the same? In other words, on an HDTV set with the proper STB, would digital cable reception look any different that regular analog? I know it wouldn't be or look like high def, but would there be any inherent benefit in upgrading my service to a digital package if I didn't particularly care for the channel lineup (Adelphia will rent me the STB for $9.95/mo in order to receive local station in high def, without having to do the entire upgrade to digital cable)? My understanding is that digital cable allows the cable company to increase the bandwidth and broadcast more channels with crisper audio, but that's about it. Is this correct? Bruce All Cable TV Programs, be they Analog, Digital, or Hi Def Digital run thru the same cable but as Groups of channels at Different Frequencies. Do not buy the SD Digital Package... This does not guarantee a Super Picture ie: SD (Std Def). Purchase the Cable Analog package plus the Hi Def package to get the best bang for the Cable Buck... The Cable Hi Def 'QAM' Box may rent for $8/ month... Thanks, that's what I needed to know (I believe Adelphia's HDTV basic package is $9.95/mo. on top of the ~$42 I'm spending on the classic cable package). So, back to basics: digital cable is pretty much pointless, quality-wise. Digital cable signals are generally over compressed to the point that either Direct Tv and Dish sat signals will look better. Direct Tv and Dish maintain better QC on their digital signals. For the most part they run all their nationally distributed signals out of a central uplink location. That significantly reduces the manpower needed to monitor signals. Cable maintains hundreds, if not thousands of head ends. Which would require tens of thousands of QC personal to match the SAT providers. Since they don't have the desire or the money, they will make additional compromises in quality. Another nasty problem for Cable co's is that a significant portion of their distribution system is tied up sending old style NTSC signals. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? As for receiving local digital (H)DTV broadcasts. For the most part, cable co's can't improve it over what you can get at your house using a low cost antenna setup. That is one reason why (H)DTV SAT receiver set tops come with built in (8VSB) OTA tuners. You put up you own antenna, pickup the local (H)DTV broadcasts for free, and skip paying the Cable piggy. :-) |
On Tue, 3 Aug 2004 17:57:38 -0700, "Bruiser" wrote:
Dennis Mayer wrote: Bruiser wrote: Brad Houser wrote: "Bruiser" wrote in message ... I've been reading on www.hdtvpub.com that DTV should not be confused with Digital TV, but I can't find exactly why. Could someone please clear this up for me? Thanks. I don't think there is any confusion. DTV is sometimes used as a shorthand for DirecTV, the satellite provider. While it is using a digital stream to send video and audio, it has nothing to do with the Digital TV standards. It should be obvious from the context. DTV usually means Digital TV, as defined by the ATSC (Advanced Television Systems Committee). www.atsc.org is their web. They created the standards for the 18 different digital television formats: http://support.gateway.com/s/CsmrElt...984faq42.shtml If you could quote where it says there is a difference, I could respond to that specifically. Brad Houser Brad, I did mis-speak: while HDTVPub.com does use "DTV" to mean Digital TV, the exact quote is: "...please remember that digital cable is not DTV..." (http://www.hdtvpub.com/reception/dtvcablecompany.cfm) So if my cable company (Adelphia) is offering digital cable reception, that only refers to the way it is piped in, but the format remains the same? In other words, on an HDTV set with the proper STB, would digital cable reception look any different that regular analog? I know it wouldn't be or look like high def, but would there be any inherent benefit in upgrading my service to a digital package if I didn't particularly care for the channel lineup (Adelphia will rent me the STB for $9.95/mo in order to receive local station in high def, without having to do the entire upgrade to digital cable)? My understanding is that digital cable allows the cable company to increase the bandwidth and broadcast more channels with crisper audio, but that's about it. Is this correct? Bruce All Cable TV Programs, be they Analog, Digital, or Hi Def Digital run thru the same cable but as Groups of channels at Different Frequencies. Do not buy the SD Digital Package... This does not guarantee a Super Picture ie: SD (Std Def). Purchase the Cable Analog package plus the Hi Def package to get the best bang for the Cable Buck... The Cable Hi Def 'QAM' Box may rent for $8/ month... Thanks, that's what I needed to know (I believe Adelphia's HDTV basic package is $9.95/mo. on top of the ~$42 I'm spending on the classic cable package). So, back to basics: digital cable is pretty much pointless, quality-wise. Digital cable signals are generally over compressed to the point that either Direct Tv and Dish sat signals will look better. Direct Tv and Dish maintain better QC on their digital signals. For the most part they run all their nationally distributed signals out of a central uplink location. That significantly reduces the manpower needed to monitor signals. Cable maintains hundreds, if not thousands of head ends. Which would require tens of thousands of QC personal to match the SAT providers. Since they don't have the desire or the money, they will make additional compromises in quality. Another nasty problem for Cable co's is that a significant portion of their distribution system is tied up sending old style NTSC signals. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? As for receiving local digital (H)DTV broadcasts. For the most part, cable co's can't improve it over what you can get at your house using a low cost antenna setup. That is one reason why (H)DTV SAT receiver set tops come with built in (8VSB) OTA tuners. You put up you own antenna, pickup the local (H)DTV broadcasts for free, and skip paying the Cable piggy. :-) |
Tim Keating wrote:
SNIP So, back to basics: digital cable is pretty much pointless, quality-wise. Digital cable signals are generally over compressed to the point that either Direct Tv and Dish sat signals will look better. Direct Tv and Dish maintain better QC on their digital signals. For the most part they run all their nationally distributed signals out of a central uplink location. That significantly reduces the manpower needed to monitor signals. Cable maintains hundreds, if not thousands of head ends. Which would require tens of thousands of QC personal to match the SAT providers. Since they don't have the desire or the money, they will make additional compromises in quality. Another nasty problem for Cable co's is that a significant portion of their distribution system is tied up sending old style NTSC signals. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? As for receiving local digital (H)DTV broadcasts. For the most part, cable co's can't improve it over what you can get at your house using a low cost antenna setup. That is one reason why (H)DTV SAT receiver set tops come with built in (8VSB) OTA tuners. You put up you own antenna, pickup the local (H)DTV broadcasts for free, and skip paying the Cable piggy. :-) Thanks for the info, Tim. The nice thing about the cable route is that you don't have to buy a STB. But the stations offered are so surprising meager, it almost cancels that out. I would gladly invest in a STB (even a DirectTV compatible one) if I could assured that OTA reception would be acceptable. Using a fairly standard RadioShack indoor aerial for NTSC reception provides very mediocre results, and I don't know if that would translate to(H)DTV reception or not. BTW, why is it that satellite systems don't pick up local HD broadcasts? Is it a technical issue or more of a licensing one? |
Tim Keating wrote:
SNIP So, back to basics: digital cable is pretty much pointless, quality-wise. Digital cable signals are generally over compressed to the point that either Direct Tv and Dish sat signals will look better. Direct Tv and Dish maintain better QC on their digital signals. For the most part they run all their nationally distributed signals out of a central uplink location. That significantly reduces the manpower needed to monitor signals. Cable maintains hundreds, if not thousands of head ends. Which would require tens of thousands of QC personal to match the SAT providers. Since they don't have the desire or the money, they will make additional compromises in quality. Another nasty problem for Cable co's is that a significant portion of their distribution system is tied up sending old style NTSC signals. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? As for receiving local digital (H)DTV broadcasts. For the most part, cable co's can't improve it over what you can get at your house using a low cost antenna setup. That is one reason why (H)DTV SAT receiver set tops come with built in (8VSB) OTA tuners. You put up you own antenna, pickup the local (H)DTV broadcasts for free, and skip paying the Cable piggy. :-) Thanks for the info, Tim. The nice thing about the cable route is that you don't have to buy a STB. But the stations offered are so surprising meager, it almost cancels that out. I would gladly invest in a STB (even a DirectTV compatible one) if I could assured that OTA reception would be acceptable. Using a fairly standard RadioShack indoor aerial for NTSC reception provides very mediocre results, and I don't know if that would translate to(H)DTV reception or not. BTW, why is it that satellite systems don't pick up local HD broadcasts? Is it a technical issue or more of a licensing one? |
"Bruiser" wrote in message ... I did mis-speak: while HDTVPub.com does use "DTV" to mean Digital TV, the exact quote is: "...please remember that digital cable is not DTV..." (http://www.hdtvpub.com/reception/dtvcablecompany.cfm) So if my cable company (Adelphia) is offering digital cable reception, that only refers to the way it is piped in, but the format remains the same? Pretty much. You still end up with 480i NTSC. The benefit is they get to squeeze more channels in, and charge you more. The drawback is you need their box ("cable ready" no longer applies). The channels _MAY_ look better than analog (if you are on a noisy system or far from the head end) or it could look worse, especially if they overcompress the picture. In other words, on an HDTV set with the proper STB, would digital cable reception look any different that regular analog? Most people can not tell the difference. I know it wouldn't be or look like high def, but would there be any inherent benefit in upgrading my service to a digital package if I didn't particularly care for the channel lineup (Adelphia will rent me the STB for $9.95/mo in order to receive local station in high def, without having to do the entire upgrade to digital cable)? If you want HD see if you can only pay for that. If you don't care about the digital channel lineup, then you won't get the other channels to look any better, they stay analog. The STB still uses the analog channels, it also decodes the digital channels. My understanding is that digital cable allows the cable company to increase the bandwidth and broadcast more channels with crisper audio, but that's about it. Is this correct? You got it. The "good" news is the cable industry and the FCC have agreed on a new digital cable standard that will support HDTV and SDTV and allow new TVs to include a standard digital tuner and "cable card" so you won't need a STB. (The carda allows them to control access of course.) I say good in quotes, because it remains to be seen how well this is embraced, as it will most likely require some transition period where some boxes break and new ones can't take advantage of the bandwidth until the old boxes are gone. Plus, like HDTV, buyers aren't going to switch overnight. So we will see if this actually ends up working as intended. Maybe in 20 years, but who knows? Brad Houser Bruce |
"Bruiser" wrote in message ... I did mis-speak: while HDTVPub.com does use "DTV" to mean Digital TV, the exact quote is: "...please remember that digital cable is not DTV..." (http://www.hdtvpub.com/reception/dtvcablecompany.cfm) So if my cable company (Adelphia) is offering digital cable reception, that only refers to the way it is piped in, but the format remains the same? Pretty much. You still end up with 480i NTSC. The benefit is they get to squeeze more channels in, and charge you more. The drawback is you need their box ("cable ready" no longer applies). The channels _MAY_ look better than analog (if you are on a noisy system or far from the head end) or it could look worse, especially if they overcompress the picture. In other words, on an HDTV set with the proper STB, would digital cable reception look any different that regular analog? Most people can not tell the difference. I know it wouldn't be or look like high def, but would there be any inherent benefit in upgrading my service to a digital package if I didn't particularly care for the channel lineup (Adelphia will rent me the STB for $9.95/mo in order to receive local station in high def, without having to do the entire upgrade to digital cable)? If you want HD see if you can only pay for that. If you don't care about the digital channel lineup, then you won't get the other channels to look any better, they stay analog. The STB still uses the analog channels, it also decodes the digital channels. My understanding is that digital cable allows the cable company to increase the bandwidth and broadcast more channels with crisper audio, but that's about it. Is this correct? You got it. The "good" news is the cable industry and the FCC have agreed on a new digital cable standard that will support HDTV and SDTV and allow new TVs to include a standard digital tuner and "cable card" so you won't need a STB. (The carda allows them to control access of course.) I say good in quotes, because it remains to be seen how well this is embraced, as it will most likely require some transition period where some boxes break and new ones can't take advantage of the bandwidth until the old boxes are gone. Plus, like HDTV, buyers aren't going to switch overnight. So we will see if this actually ends up working as intended. Maybe in 20 years, but who knows? Brad Houser Bruce |
On Wed, 4 Aug 2004 16:49:44 -0700, "Bruiser" wrote:
Tim Keating wrote: SNIP So, back to basics: digital cable is pretty much pointless, quality-wise. Digital cable signals are generally over compressed to the point that either Direct Tv and Dish sat signals will look better. Direct Tv and Dish maintain better QC on their digital signals. For the most part they run all their nationally distributed signals out of a central uplink location. That significantly reduces the manpower needed to monitor signals. Cable maintains hundreds, if not thousands of head ends. Which would require tens of thousands of QC personal to match the SAT providers. Since they don't have the desire or the money, they will make additional compromises in quality. Another nasty problem for Cable co's is that a significant portion of their distribution system is tied up sending old style NTSC signals. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? As for receiving local digital (H)DTV broadcasts. For the most part, cable co's can't improve it over what you can get at your house using a low cost antenna setup. That is one reason why (H)DTV SAT receiver set tops come with built in (8VSB) OTA tuners. You put up you own antenna, pickup the local (H)DTV broadcasts for free, and skip paying the Cable piggy. :-) Thanks for the info, Tim. The nice thing about the cable route is that you don't have to buy a STB. But the stations offered are so surprising meager, it almost cancels that out. I would gladly invest in a STB (even a DirectTV compatible one) if I could assured that OTA reception would be acceptable. Using a fairly standard RadioShack indoor aerial for NTSC reception provides very mediocre results, and I don't know if that would translate to(H)DTV reception or not. Indoor aerials and modern construction techniques don't mix well. Lots of metal in today's buildings.. metal wall studs, stucco backing, rebar all bonded together, etc..each of which can significantly reduce one's ability to receive RF signals. Plug your zip code into www.antennaweb.org to find out what type of outside antenna you'll need. Note: Don't overdue it and buy too much antenna.. it can work against you. I use a dinky Radio shack 15-2160 to pull in (H)DTV stations over 60 miles away. :-) Modern OTA (H)DTV receivers can pull in digital signals that if they were broadcast in NTSC (old style),would be considered unwatchable by most people. BTW, why is it that satellite systems don't pick up local HD broadcasts? Is it a technical issue or more of a licensing one? 1. It would be redundant, since OTA (H)DTV is easy to receive, and digital perfect. (Reduces the market value for alternative methods. ) 2. It would require huge amounts of bandwidth.. (cost) (At least 8 to 15x more sat transponders, which they don't have and can't get. ) |
On Wed, 4 Aug 2004 16:49:44 -0700, "Bruiser" wrote:
Tim Keating wrote: SNIP So, back to basics: digital cable is pretty much pointless, quality-wise. Digital cable signals are generally over compressed to the point that either Direct Tv and Dish sat signals will look better. Direct Tv and Dish maintain better QC on their digital signals. For the most part they run all their nationally distributed signals out of a central uplink location. That significantly reduces the manpower needed to monitor signals. Cable maintains hundreds, if not thousands of head ends. Which would require tens of thousands of QC personal to match the SAT providers. Since they don't have the desire or the money, they will make additional compromises in quality. Another nasty problem for Cable co's is that a significant portion of their distribution system is tied up sending old style NTSC signals. Digital TV, however, is the means by which HDTV can be broadcast, although most stations do not do that exclusively (with the exception of PBS, I guess), correct? So any station ID'd as, for instance, "Kxxx-DT" will be broadcasting in 480p, which will be upped to 720p (or 1080i) for HD content? As for receiving local digital (H)DTV broadcasts. For the most part, cable co's can't improve it over what you can get at your house using a low cost antenna setup. That is one reason why (H)DTV SAT receiver set tops come with built in (8VSB) OTA tuners. You put up you own antenna, pickup the local (H)DTV broadcasts for free, and skip paying the Cable piggy. :-) Thanks for the info, Tim. The nice thing about the cable route is that you don't have to buy a STB. But the stations offered are so surprising meager, it almost cancels that out. I would gladly invest in a STB (even a DirectTV compatible one) if I could assured that OTA reception would be acceptable. Using a fairly standard RadioShack indoor aerial for NTSC reception provides very mediocre results, and I don't know if that would translate to(H)DTV reception or not. Indoor aerials and modern construction techniques don't mix well. Lots of metal in today's buildings.. metal wall studs, stucco backing, rebar all bonded together, etc..each of which can significantly reduce one's ability to receive RF signals. Plug your zip code into www.antennaweb.org to find out what type of outside antenna you'll need. Note: Don't overdue it and buy too much antenna.. it can work against you. I use a dinky Radio shack 15-2160 to pull in (H)DTV stations over 60 miles away. :-) Modern OTA (H)DTV receivers can pull in digital signals that if they were broadcast in NTSC (old style),would be considered unwatchable by most people. BTW, why is it that satellite systems don't pick up local HD broadcasts? Is it a technical issue or more of a licensing one? 1. It would be redundant, since OTA (H)DTV is easy to receive, and digital perfect. (Reduces the market value for alternative methods. ) 2. It would require huge amounts of bandwidth.. (cost) (At least 8 to 15x more sat transponders, which they don't have and can't get. ) |
Brad Houser wrote:
"Bruiser" wrote in message ... I did mis-speak: while HDTVPub.com does use "DTV" to mean Digital TV, the exact quote is: "...please remember that digital cable is not DTV..." (http://www.hdtvpub.com/reception/dtvcablecompany.cfm) So if my cable company (Adelphia) is offering digital cable reception, that only refers to the way it is piped in, but the format remains the same? Pretty much. You still end up with 480i NTSC. The benefit is they get to squeeze more channels in, and charge you more. The drawback is you need their box ("cable ready" no longer applies). The channels _MAY_ look better than analog (if you are on a noisy system or far from the head end) or it could look worse, especially if they overcompress the picture. In other words, on an HDTV set with the proper STB, would digital cable reception look any different that regular analog? Most people can not tell the difference. I know it wouldn't be or look like high def, but would there be any inherent benefit in upgrading my service to a digital package if I didn't particularly care for the channel lineup (Adelphia will rent me the STB for $9.95/mo in order to receive local station in high def, without having to do the entire upgrade to digital cable)? If you want HD see if you can only pay for that. If you don't care about the digital channel lineup, then you won't get the other channels to look any better, they stay analog. The STB still uses the analog channels, it also decodes the digital channels. My understanding is that digital cable allows the cable company to increase the bandwidth and broadcast more channels with crisper audio, but that's about it. Is this correct? You got it. The "good" news is the cable industry and the FCC have agreed on a new digital cable standard that will support HDTV and SDTV and allow new TVs to include a standard digital tuner and "cable card" so you won't need a STB. (The carda allows them to control access of course.) I say good in quotes, because it remains to be seen how well this is embraced, as it will most likely require some transition period where some boxes break and new ones can't take advantage of the bandwidth until the old boxes are gone. Plus, like HDTV, buyers aren't going to switch overnight. So we will see if this actually ends up working as intended. Maybe in 20 years, but who knows? Brad Houser Thanks, Brad. As I indicated in my response to Tim, I'll give Adelphia a go with just the HD lineup (slim pickings here in LA unfortunately), but will also look into OTA and satellite. I'm limited to an indoor aerial which might not be good enough, but I'd rather have sports channels than local stations if I'm forced to choose. We'll see. Bruce |
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