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Series3 FAQ - Review - Photos

Discussion in 'TiVo Series3 HDTV DVRs' started by megazone, Sep 12, 2006.

  1. megazone

    megazone Hardcore TiVo Geek

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    .worcester.m...
    If they're not broadcast in HD, then they don't take up as much room as HD content. 'HD' channels may carry digital SD programs. So it is hard to tell - and, of course, with analog you pick the encoding quality so the space can vary - a LOT. See the tables in my review. Quality would probably be higher on the digital channel too, even SD.
     
  2. megazone

    megazone Hardcore TiVo Geek

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    .worcester.m...
    No - the list above in the FAQ is all that's included.
     
  3. megazone

    megazone Hardcore TiVo Geek

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    .worcester.m...
    Right, that was referring to the menu screens not overlays on video.
     
  4. megazone

    megazone Hardcore TiVo Geek

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    .worcester.m...
    Yes.
     
  5. megazone

    megazone Hardcore TiVo Geek

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    .worcester.m...
    In the channel banner on the right is a CC icon. Selecting that jumps right to the CC settings menu. You can set the CC, then 'left' back to the program. Not bad.

    I just tried it, works well at 1x - doesn't work at all at 2x or 3x. I tried both the digital CC and standard CC.

    Note I said late 2006 - TiVo asked me to phrase it as late 2006, or later this year. Not specifically November.
     
  6. keenanSR

    keenanSR Member TCF Club

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    Santa Rosa CA
    Is there a manual available online for download yet?
     
  7. megazone

    megazone Hardcore TiVo Geek

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    .worcester.m...
    It doesn't look like it.
     
  8. keenanSR

    keenanSR Member TCF Club

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    Santa Rosa CA
    I couldn't find one either, thought I'd double check, thanks. :)
     
  9. lemketron

    lemketron Senior Bit Twiddler

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    Sunnyvale, CA
    I thought that's what TiVo suggestions were for? :D

    If there aren't any TiVo suggestions in your Now Playing list, then your drive is full. If there are, then since we know they're the first things to get deleted, you can use that as a rough indicator of how much "free space" is left. With folder support, you even get a count of how many shows are in the Suggestions/FreeSpace folder. :D

    Of course, if you delete requested shows, it will take a while for the free space to fill with suggestions... which makes me wonder: Isn't there some way that TiVo customer service could transfer my seven years of suggestion training from my vintage S1 to my new S3, or from any box to any replacement box?

    I guess it's finally time to start all over again from scratch. Manually reprogramming my massive season pass and keyword lists is not going to be fun either (and in some cases, not possible for season passes of shows that aren't currently running)...
     
  10. TiVoToo

    TiVoToo New Member

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    Orlando, FL
    Initially I plan to use OTA for HD. After S3 completes its channel scan, will I be able to deselect the DT subchannels from the channel lineup? Will deselecting a subchannel prevent that subchannel from being recorded when a program on the main channel is selected for recording? For example, local channel broadcasts in HD on 6.1, and multicasts weather in SD on 6.2. I would like to deselect 6.2, and have the S3 only record the 6.1 stream. This can save a lot of space. I currently have a HTPC with a MyHD card that I have used for last 3 years as my HD DVR while awaiting the S3. A couple of years ago, the MyHD software was revised to provide option to deselect subchannels from recording. This resulted significant reduction in size of recordings - up to 3GB/hour. As a result, I was able to record an additional 5 1-hour HD shows each week (on a 120GB HDD).
     
  11. Amnesia

    Amnesia The Question

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    You mean the duplicate SD channel, right? That was what I had been planning to do. For example, I'll get rid of the HBO channel so that suggestions will record from HBO-HD instead...in fact, I guess suggestions are really the only reason to get rid of the duplicates...
     
  12. cgould

    cgould Member

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    Cool, thanks for the quick reply Megazone. Sounds like it works even better than my SA Tivo. Small feature, but surprisingly useful- although no more West Wing w/ fast talkers requiring CC to keep up w/ dialog :)

    Appreciate the correction re late 2006 HD-Photos date also- must have seen Nov somewhere else , will reset expectations.
     
  13. TiVoToo

    TiVoToo New Member

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    Orlando, FL
    No. I mean the subchannels that most terrestrial broadcasters embed in their digital transport (DT) stream. Nominal bandwidth of a ATSC DT stream is about 8.2GB/hour (19.28Mb/s). However, the broadcaster does not have to dedicate this entire bandwidth to a single channel. The standard permits the broadcaster to divide this bandwidth into subchannels. How the bandwidth is allocated is up to the local broadcaster. A broadcaster might select to have a HD channel, and some number of SD subchannels. Of course to do this, the bandwidth dedicated to the HD channel would be reduced by the bandwidth dedicated to the subchannels, which requires more compression on the HD. Many local broadcasters seem to elect to divide their DT bandwidth into a single HD channel and a single SD subchannel (that usually carries weather, or news, or a multicast of their Web streams). You can tell if a broadcaster is using subchannels, because a digital channel scan will return channel assignments like 24.1, 24.2, 24.3, 24.4 for example. 24 is the DT and .1, .2, .3, .4 are the channels in the stream. PBS affiliates are the worse. My local PBS affiliate has 1 HD channel and 3 SD channels on its assigned DT. There are ugly compression artifacts on their HD broadcasts because of this. Usually for HD recording, you would not be interested in recording the entire DT stream, only the HD channel in the stream. If recorder permits this, it will reduce the size of the recording. See http://www.hdtvprimer.com/ISSUES/what_is_ATSC.html.

    Another question is if the S3 deletes null packets from the TS. This would save even more space. [MyHD software does this trick. Now I think about it, this may have accounted for most of the space savings.]
     
  14. tunnelengineer

    tunnelengineer New Member

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    ok, here's a potentially noob question for you. Does the HDMI cable transmit both the digital video and digital audio form the S3 to the TV, or will I need to use a optical digital audio cable along with the HDMI cable?

    I know HDMI can do both, but am specifically asking what the Tivo S3 does.
     
  15. TiVoToo

    TiVoToo New Member

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    I believe HDMI audio is two channel only, i.e. - stereo. For multi-channel output, e.g. - Dolby Digital or PCM, you would need to use the optical output into a surround sound receiver.
     
  16. danottey

    danottey New Member

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    I just want to be clear. I don't have digital cable or HDTV, nor do I plan to get it anytime soon (maybe 5 years from now - or whenever my cable company stops offering non-digital cable). My main interest in getting an S3 over an S2 right now is because I currently have an S1 with lifetime subscription and would like a chance to transfer that lifetime subscription. I figure now is the best opportunity. Though I must admit that I am bummed about no TiVoToGo functionality in the S3. I just have a feeling that it will be offered as a software upgrade, but I do agree I shouldn't base my purchase on that possibility.

    The S3 has only one coax input. Does it still record two shows at once? Is this true even if I have no Cablecards AT ALL? I saw reference that if only one cablecard is inserted, the entire box changes to single tuner mode. That didn't make sense to me. But I want to be sure that if I have no Cablecards, I will be able to have dual SD tuners from the single coax cable.
     
  17. TiVoToo

    TiVoToo New Member

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    Orlando, FL
    The S3 has 2 coax inputs - 1 for an antenna, 1 for cable. These are split internally to both of the S3 dual tuners. If you have no CableCard, and no antenna, you can still record 2 channels simultaneously off of your analog cable input. You are correct that if only a single CableCard is installed the S3 operates 'single tuner'.
     
  18. cheer

    cheer Registered Offender

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    Not so. HOWEVER, there is a caveat -- MOST TVs do NOT have dolby digital decoders set up to decode audio in via HDMI, so more often than not one ends up with no audio through the TV itself.

    The HDMI does indeed pass PCM and/or DD5.1 audio, and when hooked up to a receiver that allows HDMI input the audio sounds great. An optical connection will achieve the same thing, of course.
     
  19. MichaelK

    MichaelK New Member

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    NJ

    MZ- FYI that's not generally correct.

    Most stations transmit HD all the time on their HD channel even if it's just SD content. They upconvert it on their end to HD and send the HD amount of bits. There might be a small savings since there's less data to start with but there's not a major differnce recording Survivor (which is sd) then an hour long HD show recorded from a CBS-DT channel.
     
  20. wmcbrine

    wmcbrine Ziphead

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    It doesn't work like that. The Tivo records individual programs, not "streams" with subchannels. Each subchannel is already separate. So, if you tell it to record a program that's on 6.1, that's all it will record.

    Note: I'm speaking based on the HR10-250, but there's no reason at all this would be different with the S3.
     

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