Axiom Home Page Forums General Discussion Home Theater Denon 3805

I'm still going on this.....lol Alan made me think a little. If what he said is true, and it is why does Denon bother? Took me a bit but the answer is in my post above. It's not about what one signal needs, it's more about what multiple signals need. Now I get it!....and I think now more then ever that Denon is on the money with going to 100 due to multiple input signals etc. I guess you can counter this by saying how many signals can you watch at one time? but think multiple zones etc.

maybe this will help....

http://www.maxim-ic.com/appnotes.cfm/appnote_number/750

or

http://members.aol.com/ajaynejr/bandwid.htm



In a Nutshell

Definition: Bandwidth is defined as the frequency range that the circuit, component, cable, or complete system can pass where the frequencies reproduced , transmitted, or amplified worst come out at least half as strong as those coming out best.

Bandwidth is important when shopping for HDTV or progressive scan video equipment.

System Bandwidth Requirements for Video:

NTSC Broadcast and VHS: 4.2 MHz
Laser Disk: 5.3 MHz

Regular NTSC DVD: 7 (6.8) MHz

Progressive Scan NTSC DVD and 480p DTV: 13.5 MHz

1080i HDTV: 37 MHz; in practice with 22 MHz the picture is still very superb.

720p HDTV; 37 MHz.

http://home.att.net/~rfowkes1/ComponentVideoSwitching.html



Some might say that "more is better", but in this case it simply isn't true. We've consulted with a number respected engineers in the HDTV world, and they all agree that 40 or 50 MHz in the analog connection of HDTV signals is all that you need to want. Wider bandwidth in these connections may subject the system to possible RFI/EMI interference from a variety of sources. In other words, you'd find that you have "too much of a good thing". In audio there are some who say that wide bandwidth is appropriate, but in video all you will do is run the risk of having to deal in intrusion from a variety of unwanted signals.

The conclusion: Sure, we could easily design a switching system with 50, 100 or 200 MHz bandwidth, but there is no reason to do so. Spending money on components that deliver no perceptible benefit just to claim a higher figure than internationally recognized standards call for is just silly

NeverHappy, Lorenzo is correct. To get the on screen display, for the 3803/3805, you need an S-video connection (really not much value in upconverting the settings menu). Before I got my 3803, I did a search on "3803" at AVS Forum and picked up a bunch of interesting stuff - most natably this little on screen dispay thing. It's just the way Denon set it up. A bit kludgy, but it works fine.

Ray

So if I run a S video cable from my DVD player to the 3805 plus run the component cable, at the end of the day I'm watching the S video upconverted or the actual component feed? That is what still has me a little lost.

As for the whole bandwidth thing, I'm done. I have been to over 20 sites in the last few hours and I can find 10 people who say that 50 etc is enough and another 10 who say more is better.

*pats his 3805*

The receiver is ONLY connected via component, so I can tell you on screen does work through component video, but NOT through component video with progressive scan.

- D

Never, I'm a bit confused. The ONLY reason for the S-Video is to get to get at the On-screen display. For watching DVDs you will also want to hook up the component video.

No reason or need to upconvert the S-video for the display - it's just words and won't be accessed that often.

I'm confused. Why don't you just run a plain old RCA out to a separate input on your TV. When you want to access the set-up menu, you have to switch inputs with the TV remote, but WTF it ain't that big of a deal.

You must be lazier than me, which is hard to believe.

On a related note, I have my remote set up with a command to get to the display. One more button takes me back to the TV.