Any luck with A/V receivers boosing TiVo quality? - AVS Forum
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post #1 of 6 Old 05-15-2006, 03:16 PM - Thread Starter
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Brand spanking newbie here... first post ever, be gentle with me!

I recently purchased a 72" Toshiba 1080p set, love it, love it, love it!

I have cable, and like the rest of us cable users, can't wait for the Series 3 which will allow HD to pass through it (and record). DVDs and HD look fabulous on this set, but all my TiVo programs are barely tolerable - 480i blown up that big is as you would expect. Right now I am splitting the cable - one run to a digital cable box and then the Tivo (Series 2) unit, and the other cable run to the HD cable box and right to the TV - no digital recoding cababilities, obviously.

I am ready to purchase a decent A/V receiver, and am torn between two Denon models: the 2807 (about $1000) and the 4306 (about $2000) models (both HDMI capable). Among other things, the main difference I'm debating is that the more expensive model (4306) upconverts signals to 480p, 720p or 1080i, depending on your choice. The cheaper model upconverts to 480p only.

Has anyone puchased a similar, upconverting A/V reciever, and have you had any success with better signal quality?

Is upconverting 480i to 480p a noticable difference, or since I have a 1080p set would it make more sense to get the better A/V unit and upconvert higher?

Thanks for any feedback!
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post #2 of 6 Old 05-16-2006, 09:56 PM
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Greetings: I don't believe any A/V receiver is going to have a positive affect on the quality of any analog video signals. As far as the receiver is concerned, it simply switched the video source that is matched to (hopefully) digital audio out of the same device as the picture source. My A/V receiver is pre-digital (Dolby Pro-Logic surround) so I don't pass any video through it at all (composite video only supported). I'm sure there are some model A/V receivers that support s-video, and some even analog component, but would be surprised to find some that support DVI or HDMI switching (I'm sure they will be available eventually).

BTW: Have you noticed the great number of DVD players with HDMI outputs. You know that with your new set you don't need them since it does its own upconverting internally. If it did not, then you would see the standard definition line structure (remember what early projection sustems looked like up close?).

You first need to know what the quality is of the analog cable channels as delivered by your cable provider. If you haven't already connecting the cable from the wall directly into an RF input of the set (bypassing the splitter for this test) I recommend it. The quality you see there is the best it can ever be short of the cable co. providing a stronger or cleaner signal.
If you don't notice a difference when bypassing the splitter, that's good as it means you have enough signal getting to the splitter. If you do see a difference, I'd add an RF amplifier as close to where the cable signal reaches the house as possible (to minimize the amplification of any noise picked up by the drop). You must use one of the new style amps that passes the reverse signals from the DCT6412. When the installer saw my setup he immediately added an amp (no extra charge).

I have seen separate upconversion units, but I haven't seen that feature within an A/V receiver (but I haven't looked lately).

I too am a TiVo user (cable-not-satellite). I had to change quality mode to the BEST to minimize the quality hit during the analog to digital conversion performed before the signals are recorded on the HDD. It hurts to lose the extra recording time when making this switch, but to me the quality loss from using anything less is hard to stomach! And yes, it is hard to watch STANDARD DEF after watching HDTV for a while.
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post #3 of 6 Old 05-17-2006, 05:05 AM
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If you can get an HD DVR from your cable company you may want to do that while waiting for the next Tivo. The recording space for HD is pretty small but at least you can record some of your favorite shows. We keep our Tivo in the bedroom on our smaller TV.

There is no "best", best is what's best for you...

Have you tried searching first?
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post #4 of 6 Old 06-17-2006, 07:11 PM
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I'm in a very similar situation, did you get any further feedback on these models??
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post #5 of 6 Old 06-18-2006, 02:15 PM
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[quote=MartiniMan]Brand spanking newbie here... first post ever, be gentle with me!

I recently purchased a 72" Toshiba 1080p set, love it, love it, love it!

I have cable, and like the rest of us cable users, can't wait for the Series 3 which will allow HD to pass through it (and record). DVDs and HD look fabulous on this set, but all my TiVo programs are barely tolerable - 480i blown up that big is as you would expect. Right now I am splitting the cable - one run to a digital cable box and then the Tivo (Series 2) unit, and the other cable run to the HD cable box and right to the TV - no digital recoding cababilities, obviously.

I am ready to purchase a decent A/V receiver, and am torn between two Denon models: the 2807 (about $1000) and the 4306 (about $2000) models (both HDMI capable). Among other things, the main difference I'm debating is that the more expensive model (4306) upconverts signals to 480p, 720p or 1080i, depending on your choice. The cheaper model upconverts to 480p only. (Quote)



Personally, I would go with the 4306 for two reasons:

1.) the 1080i capability, and

2.) I learned through experience that Denon exaggerates their power outputs quite a bit, so I would go for the 130 watts, rather than the 110 watts. The 110 wt. will in reality be closer to probably about 75 watts. The two I compared were around 105 and 125, and the 125 had MUCH more oomph to it. I couldn't get any real kick out of the 105.


Maybe consider the Yamaha RXV2600, too. It has the 1080i upconverting, 130 x 7 wts. and they've always been known for good sound musically and from video and having the best sounding DSP modes.

Denons (except for the top end model), always have seemed kind of flimsily made to me. The 125 wt. model was built better than the 105 wt. model, though. Yamahas seem sturdier, and I've never heard or read anything but especially good things about their sound, and overall satisfaction with their receivers. Musically speaking, especially with 2 channel stereo, I wasn't all that impressed with the Denons a couple of models back. I suppose they could've improved some since then, though. All the reviews I've ever read about the Yamahas musically were very good. You get a lot more for your money too, as I for one, feel Denons are pretty overpriced. Your paying for the name a lot there. I did think they were very good with video sound, though.
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post #6 of 6 Old 06-28-2006, 08:50 AM
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Hello, I'm also a newbie here and appreciate any help in where to post and of course tech advice.
I have a toshiba 62hm195 1080p, Yamaha 2600 , and old direct TV Tivo. The 2600 upconverts pretty nicely with all componets but when the tivo (s-vid to 2600, then 2600 via hdmi to Toshiba) is being upconv. I get screen drop outs, sound still audible but the video will drop out for a few seconds then return, not at specific intervals. If I bypass the 2600 the problem is resolved. I've played with the many options on the 2600 but cant seem to find a solution,anyone else have this problem or can you recommend a resolution. Thanks All!!
jr
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