Off Topic (sort of): Digital Video Cameras

Submitted: Thursday, Nov 29, 2007 at 14:51
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There are a lot of keen still photographers on this Forum but are there any members who use video cameras a lot?

I want to educate myself on the pro's and cons of the various storage media currently available for hi-def digital video cameras, ie, DV tapes, direct to disc and internal HDDs.

Are there any Aussie forums like ours but all about digital video cameras?
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Reply By: KSV. - Thursday, Nov 29, 2007 at 15:10

Thursday, Nov 29, 2007 at 15:10
Depends what you are after. If just shouting and watching then DVD unbeatable – straight from camera to player. HD very convenient because you do not need to carry any media. However HD has one huge disadvantage – imagine what happens with your 30hr footage when you drop camera. Both DVD and DH coding video inside camera, thus make it not so good for editing – simple editing like cut unnecessarily stuff usually OK, but recoding highly NOT recommended. This is where DV shines – you will be much better off using DV if you plan extensive editing.

Cheers
Serg
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Follow Up By: _gmd_pps - Thursday, Nov 29, 2007 at 15:43

Thursday, Nov 29, 2007 at 15:43
I agree,
I have a Sony TRV 950e 3CCD for my underwater case MPK-TR1 with ML20M light. I do image editing and color/exposure corrections in Vegas Video on a 8GB Dual Opteron system with 15K SCSI hard drives and it still takes a while to render an hour. I would love to use the new Sony V1 HD cam in 16:9 HD BUT, you really need blue ray to store data and a very fast system. I have already 3TB in one of my desktops, but it's not the disc storage.. the backup at this stage other than hard drive is not up to it. So if I ever go HD, it's tape for me and blue ray as backup.
good luck
gmd

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Reply By: Blaze - Thursday, Nov 29, 2007 at 17:12

Thursday, Nov 29, 2007 at 17:12
I have no doubt that DV is the best format, Most users start of by saying they only want to point and shoot and dont want to edit or anything extra.

That usually lasts for the first 2 or 3 uses then they want to cut, dub etc and DV is far superior... You ever wondered why Film crews still use Tape ??? :-)
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Reply By: Member - Andrew (QLD) - Thursday, Nov 29, 2007 at 17:43

Thursday, Nov 29, 2007 at 17:43
There's always the
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 29, 2007 at 17:43

Thursday, Nov 29, 2007 at 17:43
silly person for pushing the wrong button!
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 29, 2007 at 18:00

Thursday, Nov 29, 2007 at 18:00
I'll try again...... you could check out the Australasian Camcorder Forum amongst others.

Andrew
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Follow Up By: Gone Bush (WA) - Thursday, Nov 29, 2007 at 20:58

Thursday, Nov 29, 2007 at 20:58
That's amazing Andrew. I checked that website and there is an address in the bottom left hand corner.

The bloke lives around the corner from me !!
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 29, 2007 at 21:22

Thursday, Nov 29, 2007 at 21:22
Oh yeah, i knew that....that's why i posted it ;-)

Andrew
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Reply By: Steve63 - Thursday, Nov 29, 2007 at 18:07

Thursday, Nov 29, 2007 at 18:07
I think most people take a video camera with them. You may not intend to do much editing but you will end up with much more watchable video if you do. Have you ever been subjected to hours of video and photographs where most of it is just rubbish? Some selective editing can make your video watchable and interesting and most importantly not over long. We often take 5 DV tapes worth on a trip or about 60Gb of data. Our 5 tapes (or 5hrs of standard video) is usually reduced to a one hour DVD. Much more enjoyable for anyone who wants to watch the video. No views of the floor or ground. We also usually produce a DVD with 5 sec displays of pictures with background music and subtitles. We then put it on and people who are interested can watch.

As for media, it depends on where you are going. I don't think hdd would be keen on days of vibrations, similarly direct to disc may have skip problems if used in car over vibrations. We use DV for this reason, the vibrations were fine re the tape but we have had a few issues with the camera so I suggest using a pelican case or similar for a hi def video camera.

You may want to look into the codec for hi def also as I think it uses a look ahead algorithm which may require quite expensive editing software. Not sure about the details of this as I read it when looking for an answer for another issue.

Most of the forums I have seen revolve around the software or operating systems as just about all serious users edit to produce the final product. There is quite a big Ubuntu forum dedicated to video as well as the packages like Ulead etc.

I don't think there is a best per sec, just best for you, how you are going to use the camera and your hip pocket.

Steve
AnswerID: 274260

Reply By: Gob & Denny(hampton park vic) - Thursday, Nov 29, 2007 at 18:52

Thursday, Nov 29, 2007 at 18:52
goodday gb
we have gone thru most forms and now have a 30g hdd jvc we also bought a dvd recorder jvc but found we could not edit so i now couple the camera to our 80g dvd recorder we can watch what we have recordedwhile saving to the dvd recorder then i can edit(my missus takes miles of roadside scenery cause it keeps changing)and when ready record onto a dvd
if you want to by a dv camera i have 1 for sale (price by neg)2 years old because we moved to hdd technology

steve
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Reply By: howie - Thursday, Nov 29, 2007 at 20:01

Thursday, Nov 29, 2007 at 20:01
after 15 years without a camcorder, i too have entered the quest for a new machine for a trip next year.
i foolishly thought it would be a simple task but here's what i have 'learnt' this week.
i wanted a big hard disk, but apparently these are prone to vibrations. the camera will stop filming if its too rough or damage the disk. hhhmmm.
advised to stick with tapes (and better quality on tapes i'm told).
going for HD camcorder using HD tapes now.
good luck.
ps guys in camera house seem clued up if you are in perth.
the best storage medium seems to depend on your individual needs.
good luck

AnswerID: 274276

Reply By: Gone Bush (WA) - Thursday, Nov 29, 2007 at 20:54

Thursday, Nov 29, 2007 at 20:54
Thanks everybody. Excellent feedback.

For some time I've been looking at the Sony HiDef HDRHC7. It uses Mini Dv tapes, 16:9, 6 meg still photos.
On the Sony website it has an rrp of about $2100 (I think) and it is in the current Camera House catalogue for $1599 after $100 cashback so I'm almost ready to part with more of our kids inheritance.

God knows they've lost a fair bit of it recently. Hope it makes the little wretches work harder. LOL of course.
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 29, 2007 at 21:54

Thursday, Nov 29, 2007 at 21:54
Nice camera choice, even though i have the Canon HV20 equivalent ;-)

Whilst the Canon has the best image stabilisation system IMO, the 6mp (4.?mp whilst recording) still shots is a great feature. It's a shame Sony is still holding on to the "Memory Stick (Duo)" cards as a format.....they are rather large with SD (and smaller versions being the flavour of the month).

One accessory that you should buy with such an expensive and high definition camera is a polarising filter, both for the effect when travelling, and the protection of the front of your lense. I would just go and buy a off the shelf 37mm filter from a camera store or similiar rather than paying more for the same thing from Sony.

The camera house in Freemantle had a great range of filters when i was there 3 weeks ago.....so much so that they had the 43mm polarising filter (as well as a UV filter) i needed that i couldn't get ANYWHERE in Brisbane beforehand.

The other recommendation that i have seen is that you should stick to the one brand of mini-DV tape once chosen, with the option of either the (expensive yet not justifiable) Sony brand (wet lubricant tapes) or the dry lubricant types. I have chosen the Panasonic AY-DVM63AMQ professional tapes. Ideally choose one that says "for HDV" or similiar to gurantee a better quality tape for very little difference in price. ($10.50 packs of 5)

Andrew

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Follow Up By: Gone Bush (WA) - Thursday, Nov 29, 2007 at 22:13

Thursday, Nov 29, 2007 at 22:13
Thanks again Andrew, I am also looking at the Canon HV20. I have a Canon DSLR and it is excellent.

And you're right about the Memory Stick.

I will do some more homework.

The same Camera House catalogue has the HV20 at $1649. Not much difference.

Thanks for the link too.
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 29, 2007 at 23:12

Thursday, Nov 29, 2007 at 23:12
Not a bad price.....mine was only slightly cheaper from ebay.

If you have a HD TV, then "amateur hour" is great viewing on HD.....easiest using a HDMI lead ( none of that old style connection issues, mulit leads etc).

Andrew
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Follow Up By: howie - Friday, Nov 30, 2007 at 11:51

Friday, Nov 30, 2007 at 11:51
the camera house in leederville has quoted me $1579 for the canon HV-20.
funny that the HV-20 was already high on my list, together with the sony HDR-HC7.
the canon has AV input so i can connect additional pencil cams, don't know about the sony yet.
agree with the polarizing lens (or UV lens) , it does protect your main lens from damage.
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Reply By: Ozboc - Friday, Nov 30, 2007 at 07:46

Friday, Nov 30, 2007 at 07:46
Greetings - i use a video camera a lot on my travels as well as digital still camera.

Video camera is JVC Evario with 40 G hard disk. i now have a second battery that i bought online(ebay) for it for $9.00 + $9 shipping ( if bought locally in stores it would have been $98.00.

I have about 5 hours recording time now, and with a cable i connect to my Laptop i can pull the files from the camera to laptop and start recording again - ( also have in car / caravan charger 12v) Same laptop i use as a GPS via its inbuilt bluetooth and a separate GPS receiver that sits on my dash board

I then edit it when i get home with a program called Pinnacle Studio Plus - That way i can tell the missus and kids to film what ever they want - and i can just edit out the crap later very easily ( unlike the direct burn to disk )

i end up with home movies that are pretty good and not boring to watch

AnswerID: 274340

Follow Up By: obee - Friday, Nov 30, 2007 at 09:34

Friday, Nov 30, 2007 at 09:34
I use inter video win. Looks the same almost as your pinnacle. How do you break up the movie into parts?

Grateful for an answer here.

Owen
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Follow Up By: Ozboc - Friday, Nov 30, 2007 at 17:00

Friday, Nov 30, 2007 at 17:00
Owen - to cut up the video is easy -- if you see the screen shot - you just pull your work bar to where you want to cut the video - then hit the Icon that looks like a Razor blade and then it becomes 2 clips - then just delete the clip you don't want or the section with the "sky - ground" footage . thats the basics - if you want to go down to an individual screen ( remember its 25 frames per second ) you can go even closer for finer cut

Boc
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Reply By: sparkythespacechimp - Friday, Nov 30, 2007 at 09:08

Friday, Nov 30, 2007 at 09:08
I've been in the video industry for near on 20 years, I have had hard drives fail and lost everything, on occasions I've had DVDs become unreadable and only good for coasters, but when I've had tape damage or breakage, we've always managed to splice and recover with minimal loss.
AnswerID: 274350

Follow Up By: Ozboc - Friday, Nov 30, 2007 at 18:15

Friday, Nov 30, 2007 at 18:15
I do agree with your comments - Old Video tape is tried and trusted for the past 20+ years -- some old VCR tapes i have from 15 years ago are still working well --- wish i could be say the same about DVD - i have burned DVD video to top quality DVD at only 2 speed burn to have it fail 1 1/2 years Later - even with careful storage ....

guess we do live in a throw away society

Boc

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Reply By: TerraFirma - Friday, Nov 30, 2007 at 12:20

Friday, Nov 30, 2007 at 12:20
The earleir DVD based HD cameras were not compatible with standard DVD players, so they weren't my choice. H/Drive based systems are ok but let me tell you if they fail as often as the drives in an Ipod you could be unlucky as they are still a mechanical device subject to knocks and internal failure. I ended up buying the Sony HDR-HC7e which is the tape based HD camera. 63 minutes per tape. I have never had a tape fail and at the end of the day I dump what I want onto my PC and archive it. Bear in mind that most of the HD video systems are 1080i and not 1080p unless you spend more, mine delivers great quality video for the price but 1080p would have been better.
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Follow Up By: howie - Friday, Nov 30, 2007 at 14:14

Friday, Nov 30, 2007 at 14:14
just when you were getting comfy with the specs.......
whats the difference between a 1080i/1080p?
sounds like a pixelly-fied related fing.
cheers howie

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Follow Up By: howie - Friday, Nov 30, 2007 at 14:35

Friday, Nov 30, 2007 at 14:35
good old google!

There are two main flavors of high definition TV, 1080i (the i is for interlaced) and 720p (p for progressive). 1080i offers the most pixels, with a matrix of 1920x1080 pixels, while 720p has fewer pixels at 1280x720 pixels. However, the difference is made up with the frame rate, which is only 30 frames per second with 1080i, but is double that with 720p, at 60 frames per second. The total pixels displayed per second is actually very similar, with 720p offering 55 million pixels per second, while 1080 is slightly higher at 62 million pixels per second.

What does all that mean? It all depends on the type of TV you watch. 720p is better at showing pictures with plenty of motion, since the higher frame rate helps smooth any quick motion on the screen - this is better for sports or action movies. 1080i offers more detail, which is for movies with lots of images or panoramas.

The best of all is the 1080p option. It offers the best of both world, 60 frames per second at 1920 x 1080 pixels. The toal bandwidth is 124 million pixels per second, double that of 1080i. It can display any HDTV signal without any downconverting. 720p signals are upconverted, while 1080i signals only require some gently "de-interlacing" to work properly. 1080p is the perferred option is possible - its backwards compatible with all old formats, and is ready for upcoming high definition discs.
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Follow Up By: Member - Andrew (QLD) - Friday, Nov 30, 2007 at 16:53

Friday, Nov 30, 2007 at 16:53
Just watch what you read on the internet to do with HD stuff.

Whilst the information relating to HDTV is generally correct, the description of the differences with 1080i and 720p leave a lot to desire. Add to that the ability to have 768 horizontal lines as a HD TV display and it all gets confusing.

My understanding is that real framerate shown on the TV is still the same eg 60hz and that the difference is whether to interlace (alternates between every second scanline) or not which is the reason 720p may look better for action scenes.

When talking about consumer grade camcorders, the "1080p v 1080i" difference is normally comparing 1080/25p and 1080/50i.

Just to really throw a spanner in the works, you will need to look at HD standards as used in video etc which talks about 25p, 24p, 30p, 60p, 50i, 60i etc......25p being popular talk now with movie style recording (still highlights my poor camera abilities :-))

A couple of easy to read links:

- 1080i v 1080p
- Are You Getting All the HDTV Resolution You Expected?

At the end of the day for most of us "backyard boys" it is very difficult to understand all the different factors to consider and/or rather expensive to get something that is nearer to perfect.

Andrew


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Reply By: TerraFirma - Friday, Nov 30, 2007 at 17:28

Friday, Nov 30, 2007 at 17:28
Your computer can be a great base to begin understanding resolution and interlacing vs non-interlacing or progressive etc. For example your PC may be running 1024 x 768 Resolution, that is 1024 dots/pixels across and 768 lines down. Now for those of you that run this resolution and can see "flicker"that means you are running 60Hz or Interlaced 1024 x 768 (Only applicable to CRT monitors as apposed to LCD). LCD screens do not suffer flicker.

The interlacing can be very disturbing , mostly on PC's. On your PC select a refresh rate greater than 72Hz to to achieve Non-Interlaced or without flicker. (Click on properties on your screen and select video settings etc etc)

Hitachi have had to refund people who bought their 50"Plasmas because Hitachi promoted them as true High Definition 1920 x 1080 . In reality the 1080 was 1080i or 1080 Interlaced and therefore not true High Definition 1080p, I suspect Hitachi are not the only ones, my Sony Video camera is sold as high defintiion and is 1080i.
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