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Search: Posts Made By: Glyn Williams
Forum: Canon VIXIA Series AVCHD and HDV Camcorders June 17th, 2008, 12:16 PM
Replies: 22
Views: 13,356
Posted By Glyn Williams
Compressor is good because you can drag a whole...

Compressor is good because you can drag a whole batch of files into it. Apply the reverse telecine - and press submit.

Glyn
Forum: Canon VIXIA Series AVCHD and HDV Camcorders June 1st, 2008, 03:32 AM
Replies: 8
Views: 4,557
Posted By Glyn Williams
Reverse Telecine needs software On the Mac...

Reverse Telecine needs software
On the Mac there is Compressor 3 - part of Final Cut Studio
and there is JES Deinterlacer which is free.
there may be more.

The real problem for you is...
Can...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 30th, 2008, 09:11 AM
Replies: 8
Views: 4,557
Posted By Glyn Williams
In the electronic world 30p is easier to deal...

In the electronic world 30p is easier to deal with. But me, I like messing with 24p. Remember that all action movies are shot in 24p and seem to cope well enough with fast action.

The piano clip...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 30th, 2008, 06:25 AM
Replies: 8
Views: 4,557
Posted By Glyn Williams
Scott, I think it is worth it, but they certainly...

Scott, I think it is worth it, but they certainly did not make it easy.

Small errors can be made in shooting, camera settings, exposure duration, capture and conversion. Any one of which will make...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 29th, 2008, 06:49 PM
Replies: 10
Views: 3,000
Posted By Glyn Williams
When the data is coming off the camera.... 60i ...

When the data is coming off the camera....
60i
30p
24p ....They all look the same to the computer. They all look like 60i. Because HDV is really based around 60i.

In 60i you see a 30 frames...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 28th, 2008, 04:16 PM
Replies: 22
Views: 13,356
Posted By Glyn Williams
I'm pretty certain that will not work. Going...

I'm pretty certain that will not work.
Going from 60i to 24p requires a reverse telecine.
Reverse telecine means taking alternate lines of interlace and splitting them into different frames. This...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 28th, 2008, 12:09 PM
Replies: 22
Views: 13,356
Posted By Glyn Williams
The reverse-telecine step can be achieved with...

The reverse-telecine step can be achieved with JES Deinterlacer, instead of Compressor3.

But I am not sure whether FCE can edit a 24p project.

If you find this frustrating, I agree! I think...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 28th, 2008, 05:02 AM
Replies: 22
Views: 13,356
Posted By Glyn Williams
The trickiest part in this process is taking the...

The trickiest part in this process is taking the 60i container and getting out the 24p footage.

If you have FCS, you can use Compressor 3 to perform the "Reverse-Telecine" step.

Here's Apple's...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 22nd, 2008, 01:38 AM
Replies: 2
Views: 2,183
Posted By Glyn Williams
I have a US NTSC HV20 in the UK. And I am very...

I have a US NTSC HV20 in the UK. And I am very happy with it. I use it in 24p mode.

Once you capture, reverse-telecine , and edit your film you will have a HDTV master in 24p. The...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 17th, 2008, 06:07 PM
Replies: 36
Views: 13,668
Posted By Glyn Williams
Yes, exactly. What comes out of the HV20 is...

Yes, exactly. What comes out of the HV20 is already 24p embedded in a 60i stream. Convert it to ProRes 24p ... and it works fine. Convert it to "24P HDV" and suddenly it breaks. I wonder why?

HDV...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 15th, 2008, 03:42 AM
Replies: 36
Views: 13,668
Posted By Glyn Williams
HDV is built for one purpose. It's built-in...

HDV is built for one purpose. It's built-in properties are set to accommodate a number of hardware requirements.
Consequently the data-rate is fixed. The frame rates are fixed and the resolutions...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 14th, 2008, 01:12 AM
Replies: 36
Views: 13,668
Posted By Glyn Williams
I don't think this can possibly work. HDV is...

I don't think this can possibly work.

HDV is simply is not engineered to work at arbitrary frame-rates and arbitrary bit-rates. Go with the ProRes workflow. And don't be tempted to scale the...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders May 6th, 2008, 11:53 AM
Replies: 8
Views: 3,858
Posted By Glyn Williams
No. Once the images are on tape, they are...

No.

Once the images are on tape, they are stored as HDV. So you can't gain quality by extracting them in a different way.

Recording live is a different matter.

If you have a means of...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders September 20th, 2007, 06:20 AM
Replies: 9
Views: 2,741
Posted By Glyn Williams
You may be able to remove the pulldown at this...

You may be able to remove the pulldown at this point.

However when you edit at 60i - the 3:2 pulldown makes it is possible make a cut halfway through a 24p frame.
If you have done that, there's...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders September 18th, 2007, 06:59 AM
Replies: 24
Views: 11,764
Posted By Glyn Williams
Not tried this but..... You'll get the...

Not tried this but.....

You'll get the shallowest depth of field if the aperture is fully open.
In a brightly lit scene, I guess adding some neutral density filters could allow this to happen.
...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders September 14th, 2007, 05:30 AM
Replies: 2
Views: 1,789
Posted By Glyn Williams
It could. Reverse telecine is converting the...

It could.

Reverse telecine is converting the 24p material in a 60i container to clean progressive 24p.

But... the 60i is really 59.94fps - and reverse telecine should be producing footage at...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders September 11th, 2007, 10:56 AM
Replies: 17
Views: 6,331
Posted By Glyn Williams
Avoid doing any scaling in Compressor

Although square pixels are nice, I think it's best to keep the 24p footage at 1440x1080 - and don't be tempted to rescale it to 1920x1080. (at least not in Compressor).

It looks like Compressor...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders August 7th, 2007, 05:46 AM
Replies: 11
Views: 2,995
Posted By Glyn Williams
If you bought it recently with a credit card -...

If you bought it recently with a credit card - you may have a type of insurance from the credit-card company.

It's worth checking.
Forum: Canon VIXIA Series AVCHD and HDV Camcorders July 27th, 2007, 03:07 AM
Replies: 9
Views: 2,544
Posted By Glyn Williams
Tim, The thing is, the change in technology...

Tim,
The thing is, the change in technology means we are losing interlaced displays.

Computer CRTs are progressive. Computer LCDs are progressive, and in turn so are Plasma screens and LCD TVs....
Forum: Canon VIXIA Series AVCHD and HDV Camcorders July 26th, 2007, 10:08 AM
Replies: 9
Views: 2,544
Posted By Glyn Williams
Tim, It may be that you don't like progressive...

Tim,
It may be that you don't like progressive footage (I love it)
But it could be your computer monitor.

If it is set to 60Hz and you are watching 25fps footage. Then you'll see something like...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders July 26th, 2007, 05:22 AM
Replies: 8
Views: 3,046
Posted By Glyn Williams
Chris, In terms of doing something bad to a...

Chris,

In terms of doing something bad to a tape drive. Dropping a single frame onto a tape and then waiting a minute or so before the next is probably the worst thing imaginable.

My son and I...
Forum: Canon VIXIA Series AVCHD and HDV Camcorders July 26th, 2007, 05:14 AM
Replies: 49
Views: 12,217
Posted By Glyn Williams
I suspect the problem being described is nothing...

I suspect the problem being described is nothing to do with capture but is due to the way the image data is being compressed.
Image compression algorithms are typically designed to exploit...
Showing results 1 to 22 of 22

 


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