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SageTV Beta Test Software Discussion related to BETA Releases of the SageTV application produced by SageTV. Questions, issues, problems, suggestions, etc. regarding SageTV Beta Releases should be posted here. |
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#1
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AutumnWave OnAir GT support QAM in Sage?
Long time lurker here and really never post much but though I would speak up when I saw this one!
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http://www.avsforum.com/avs-vb/showt...&&#post8676864 post # 434 Has anyone tried this yet??? This would be the holy grail of HD for me and I would gladly pitch MCE and move over to Sage if this actually works reliably! |
#2
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BTW: For anyone who missed it, the post containing a short update blurb about this can be found in the v6.0.12 topic, here.
- Andy
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SageTV Open Source v9 is available. - Read the SageTV FAQ. Older PDF User's Guides mostly still apply: SageTV V7.0 & SageTV Studio v7.1. - Hauppauge remote help: 1) Basics/Extending it 2) Replace it 3) Use it w/o needing focus - HD Extenders: A) FAQs B) URC MX-700 remote setup Note: This is a users' forum; see the Rules. For official tech support fill out a Support Request. |
#3
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I know this QAM thing has been asked for on here many many times, but I don't really understand what it does exactly. Would this allow you to record HD from a cable HD and Satellite HD tuner?
How does QAM work and what exactly is it doing?
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#4
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QAM is basically an unencrypted MPEG2 stream piped over your cable line. Typically, only the free local HD channels (ABC, NBC, FOX, PBS, etc) are unencrypted.
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Intel NUC SageTV 7 server - HDHomeRun PRIME - 2TB iSCSI ReadyNAS storage Intel i3 HTPC SageTV 7 Client - Win 7 x64 - Onkyo TX-674 |
#5
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#6
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If I had decent OTA reception I would probably lean in that direction. |
#7
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I wish they would already come out with a capture card that simply includes a cable card slot and lets your record all the HD goodness on your computer... but for now OTA will do for me since I mostly watch the broadcast stations anyways. Since my HD setup is working so nicely now I am actually going to cancel my DirecTV this week. :-)
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#8
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Server: AMD Phenom 2 920 2.8ghz Quad, 16gb Ram, 4tb Storage, 1xHVR-2250, 1 Ceton Cable Card adapter, Windows 7 SP1 |
#9
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So, in essence, the signal comes in to the house with most stuff scrambled, and is unscrambled at the box, then 5C can be implemented. |
#10
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Could anyone using the AutumnWave OnAir GT comment on their experience? Does it successfully record all of your available unencrypted QAM channels?
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#11
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I haven't been paying much attention to this beta release (been playing around with swapping servers and other projects), but I just noticed this. What are the first impressions? Worth picking up? While I currently can get OTA, I really hate having to use an antennae, and would much rather use my cable system.
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Sage Server: AMD Athlon II 630, Asrock 785G motherboard, 3GB of RAM, 500GB OS HD in RAID 1 and 2 - 750GB Recording Drives, HDHomerun, Avermedia HD Duet & 2-HDPVRs, and 9.0TB storage in RAID 5 via Dell Perc 5i for DVD storage Source: Clear QAM and OTA for locals, 2-DishNetwork VIP211's Clients: 2 Sage HD300's, 2 Sage HD200's, 2 Sage HD100's, 1 MediaMVP, and 1 Placeshifter |
#12
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Hey, y'all. May I make a suggestion/request that general QAM talk move to here other thread: http://forums.sagetv.com/forums/show...274#post185274 ? I've posted my QAM experience and what little knowledge I have about the variables that effect recordability to PC there.
TIA, Stuart P.S. Bump for the OT (OnAir GT) ![]() |
#13
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So i just bought 2 x Onair USB HDTV-GT (As supported by sage 6.0.12 beta)
So here are the bits I think you want to hear:- Both work just fine, I can receive all analog cable channels as my hauppage 250 and PVR-USB2 do, if anything I say the quality is slightly better, but not as host as the ATI HDTV 650s I just bought (Yea, I'm a glutton for capture devices!). it also can receive about 40 or so QAM encoded digital channels right of the wire. 35 or so are regular standard Def "Digital Cable", but 7 are HiDef Locals, PBS & ESPN HD (Don't ask me why!). All the digital stuff is as good as the STB. Some are very "Mpeggy" as they're low bandwidth, 528 x 480 stream, right up to 1920 x 1080 HiDef Locals. This is awesome.. :-) They also have S-Video / Audio inputs, so they support the old SVideo from cable box trick. Basically it will slurp a good amount of stuff off the wire, the package correseponds to the "Basic Plus" package that my company offers. So no premium stuff that my actual package has (HBO, Stars, Speed, etc), also a fair number of HiDef channels that I get with my STB are missing (No UPN, No HBO, No Universal HD, In HD, MSG HD etc). That said with my firewire STB Setup, 2 of these I can record 3 x HiDef streams in a single computer, which can't be done with firewire alone. Now the bad.. Sometimes when changing channel it doesn't quite sync with the stream so it puts up garbage, though that may be my decoder (Only got these yesterday so not fully validated them yet). The missing encrypted channels are annoying but not the end of the world.. And finally Sage team, PLEASE PLEASE can we finally get a way to discretely set channels per encoder for a given lineup, rather than one lineup for all encoders. With multiple ways of recording the same channels it's etting increasingly hard to work around.. Alll around 9/10 (Cost dropping the single point) |
#14
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Are you saying the analog capture of the On-air HDTV-GT is better than a hauppage? Their sales rep just confirmed that it uses software encoding. I didnt think it was possible for one digital tuner to have a better quality capture than another, unless your switching decoders.
Right now I use an ATI HDTV wonder (software encoder) and Firewire capture. The analog capture on the ATI looks bad, real bad. In fact I have to switch to Nvidia Post Procesor decoder to make it even watchable, which is a pain because I have to switch back for HDTV playback. Not all software encoders are equal I suppose. Ive heard Comcast is simulcasting analog channels on digital in some areas, but not here. So firewire thru the box doesnt work for anything under channel 100. |
#15
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Analog capture I feel is slightly better, the digital side of things is just that, digital. 0101101101 is the same from all sources.
My ATI HDTV Wonder 650 has THE best analog capture I've seen from a prosumer level card though. What cable box you using for firewire capture? I have a 4200HD from cable vision and I have to say that I'm mightily impressed with it via firewire. Cablevision don't appear to have 5c on anything, but that of course can change at any moment... |
#16
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I have (or really Im being rented) an SA 3250HD.
I dont think that has anything to do with which channels are being encrypted though. Its just Comcast's (usual) bull. The firewire capture works great, as long as im not watching at the same time. After a few minutes, to about half an hour, the feed goes into a short infinite loop. Like 1 second of the stream being constantly repeated. It doesnt lock up Sage, but if exit and try to resume playback, its still stuck there. Maybe I'll play with the graph one day. I dont have the problem with OTA-HD. |
#17
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Diginerd,
How are you setting up the EPG. I have the AutumnWave and it works great for tuning in the clear stations off cable. I can't seem to get the EPG working however. For instance, 98-3 is the digital TBS station. I downloaded the EPG data for my Comcast digital lineup and tried to remap the physical channel of WTBS-DT to 98-3. I tried 98.3, 98-3, DT98-3, etc., but I could never get it too work. It would continue to display "no-signal". Any advice? nishan |
#18
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QAM chaanel mapping
So far we are not able to link EPG to QAM channel, you have to manually setup.
Scan channel with “Don’t Use Program Guide Data” to get a frq file, then downloaded the EPG data for your cable provider, and remap physical channel as “physcal_channel-major-minor” referring data in your frq file, or just “index” in frq file. example : xxx.frq file #ch:index major minor program_id phyical_channel inversion qam-mod ctrl_bits(1:enable; 0:disable) …. ch:43 18 3 3 161 0 0 1 #FUN ch:44 11 1 3 165 0 0 1 #KTTV DT ch:45 13 1 3 166 0 0 1 #KCOP DT ch:45 0 1 1 168 0 0 1 #DTV68.0 ch:46 0 2 2 168 0 0 1 #DTV68.1 FUN mapping “161-18-3“, KTTV DT mapping “165-11-1” , DTV68.0 mapping “168-0-1”. Or index mapping KCOP DT is “45”, DTV68.1 is 46, FUN is 43
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Qian |
#19
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Diginerd,
I am dying to know how you got two GTs to work at the same time on the same PC without problems.... Poor Qian (Donkey) has been working with me all weekend to try to make two of them work becuase the drivers from On-air don't directly support multiple GTs on the same system. (I assume you're using them both for Digital Cable?) Any info you can give us might save us a lot of time.... thanks Stacy |
#20
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