XHA1 Footage grainy/noisy? Is this right? at DVinfo.net

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Canon XH Series HDV Camcorders
Canon XH G1S / G1 (with SDI), Canon XH A1S / A1 (without SDI).


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Old March 21st, 2007, 06:02 PM   #1
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XHA1 Footage grainy/noisy? Is this right?

Hi all,

I recently made the switch from the XL1 to the XHA1. I've been reviewing my first few tapes of footage shot w/ the new camera in 1080i, and even on a large HDTV, the footage appears to be grainy. It's not real noticeable except in low light, but it's definitely there. I had a client ask me today if that grain was normal in HD or if it had something to do w/ my specific camera. Anyone have any input? I'm just having a hard time believing that HD footage is supposed to be noise/grainy like this....

Thanks,
Luke
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Old March 21st, 2007, 06:22 PM   #2
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Check to see if the automatic gain switch is on.
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Old March 21st, 2007, 06:35 PM   #3
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That did it.

Thanks so much!! I'd messed with the gain presets, but didn't even notice that the AGC switch was set to 'on'. Wow! What a difference!! Now it looks like what I was hoping for!

Thanks again!
Luke
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Old March 22nd, 2007, 11:42 PM   #4
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Luke, can you tell me what the A1 SD footage is like compared to
the XL1? Is it the same, huge improvement, not as good in low light?
Thanks in advance!
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Old March 23rd, 2007, 12:08 AM   #5
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Hi Eric,

I haven't had an XL1 in a long time but I did just sell my Xl2s for the XHA1. Sd footage looks much better, the lowlight performance is considerabely better. If you extrapolate that back to the XL1, it woulod be a huge improvement with the XHA1.
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Old March 23rd, 2007, 12:08 AM   #6
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As of right now I'm not sure. So far the only footage I tried, I mistakenly had both the ND Filter *AND* the AGC on, so the footage was rubbish. I may wrong, but I would think the footage in SD would be at least as good as on the XL1.... anybody?
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Old March 23rd, 2007, 05:47 AM   #7
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Just received my A1. Will be able to do some comparisons to the XL1 and GL1 this weekend I hope.
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Old March 23rd, 2007, 11:53 AM   #8
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Quote:
Originally Posted by Eric Weiss View Post
Luke, can you tell me what the A1 SD footage is like compared to
the XL1? Is it the same, huge improvement, not as good in low light?
Thanks in advance!
Luke, just yesterday i tried a few tests with A1 footage.... i took some of Steven Dempseys, and a few more different cilps and resized them with After effects and transcoded with Adobe Encore 1.5 to SD DVD, just to do some comparisons of different HD footage down converted to SD and to see what they would look like. I also took some JVC HD100 and 200 shots as well as XDCam footage. I can tell you that the XHA1 footage is alot sharper and has a lot more detail than the XL1s (i have the XL1s) footage. Even the color is alot richer. By my tests i could say that all the cameras that i mentioned convert really well to SD, and it probably looks as good as or even better than some of the material you see on regular TV. hope this helps....
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Old March 23rd, 2007, 01:19 PM   #9
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Quote:
Originally Posted by Brian Ladue View Post
Luke, just yesterday i tried a few tests with A1 footage.... i took some of Steven Dempseys, and a few more different cilps and resized them with After effects and transcoded with Adobe Encore 1.5 to SD DVD, just to do some comparisons of different HD footage down converted to SD and to see what they would look like.
Brian, that's not a reasonable comparison & isn't going to be the same as shooting SD with the A1. I believe that's what Eric was asking about.

So far, I haven't made up my mind regarding the A1's SD quality. For me, it's either a just OK, or a yuck, or a maybe I'm just too picky & can't decide just yet. OR... I'm just getting too spoiled by the HD quality :)

Bill
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Old March 24th, 2007, 08:44 AM   #10
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Thank you. I actually use an XL1-S too.
I had a really hard believing that an HDV camera would
be better in low-light than the XL1-S, so I am delighted to hear that.

I should probably just shoot in HDV anyway and then convert to SD when needed.
That's what the cam is made for and would probably get better results. Thus far, that seems to be the case.
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