Any value of shooting hdv for dv delivery? 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 December 27th, 2006, 02:52 PM   #1
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Any value of shooting hdv for dv delivery?

I have to deliver on dvcam, so I'll output dv from the hv10, but will the image quality be any better if I shoot in hdv, or should I just shoot in dv?

Come to think of it, can I even shoot hdv in 4:3, or will I have to guesstimate the crop?
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Old December 27th, 2006, 03:23 PM   #2
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Hi Stu, this section is for XH-A1 & G1, not HV10.

But I can try to answer a bit of your query (others please correct me if I am wrong).

First, you can't record HDV in 4:3 aspect ratio. However you can output HDV in 4:3 with letterbox (& it is not HDV but DV). So the quality is degraded and the viewing area is much smaller in 4:3 TV.

If the video you are taking mean something special to you and you want to keep it as highest *resolution* as possible (and you don't mind the ghost-blur "effect" which is much obvious in HDV GOP then DV) , but you don't have a nice HDTV at this moment (or your client just want normal DVD). You can shoot HDV and archive your tape. Make a copy of SD just for viewing today. Tomorrow you might probably output it as HD-DVD or Blu-Ray when it is available.

So far only Sony Z1 has a feature of cutting the edge of 16:9 HDV to 4:3 DV, which effectively makes no quality lost in "down-convert" HDV to DV (other then you lost the side-edge of the footage). Unfortunately this feature is not available in Canon A1/G1 & Sony FX1/FX7/V1, obviously your HV10 doesn't have it too.
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Old December 27th, 2006, 03:29 PM   #3
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Hi Ing,

Thanks for the reply. Should have been clearer - acquisition is with the A1, the hv10 is just a "deck". In any case, you answered my question - the z1 does what I was wondering about. Oh well, no big deal, I'm sure shooting in dv mode the A1 24f looks at least as good as my dvx 24p.
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Old December 27th, 2006, 04:31 PM   #4
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I find that there is no degradation in the letterboxed form. The picture seems to be real sharp by virtue of the letterboxing creating a well proportioned picture plus a full field of view which is not cropped.

Quote:
Originally Posted by Ing Poh Hii
Hi Stu, this section is for XH-A1 & G1, not HV10.

But I can try to answer a bit of your query (others please correct me if I am wrong).

First, you can't record HDV in 4:3 aspect ratio. However you can output HDV in 4:3 with letterbox (& it is not HDV but DV). So the quality is degraded and the viewing area is much smaller in 4:3 TV.

If the video you are taking mean something special to you and you want to keep it as highest *resolution* as possible (and you don't mind the ghost-blur "effect" which is much obvious in HDV GOP then DV) , but you don't have a nice HDTV at this moment (or your client just want normal DVD). You can shoot HDV and archive your tape. Make a copy of SD just for viewing today. Tomorrow you might probably output it as HD-DVD or Blu-Ray when it is available.

So far only Sony Z1 has a feature of cutting the edge of 16:9 HDV to 4:3 DV, which effectively makes no quality lost in "down-convert" HDV to DV (other then you lost the side-edge of the footage). Unfortunately this feature is not available in Canon A1/G1 & Sony FX1/FX7/V1, obviously your HV10 doesn't have it too.
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Old December 27th, 2006, 05:03 PM   #5
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Lou, are you doing this as part of your workflow? Do you think it's preferable, or at least equal,in terms of image quality as opposed to shooting dv?
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