AVS | Home Theater Discussions And Reviews - Search Results
Baselworld is only a few weeks away. Getting the latest news is easy, Click Here for info on how to join the Watchuseek.com newsletter list. Follow our team for updates featuring event coverage, new product unveilings, watch industry news & more!


Showing results 1 to 25 of 138
Search took 0.06 seconds.
Search: Posts Made By: Chas Tennis
Forum: Camcorders   04-28-2015, 03:16 AM
Replies: 4
Views: 118
Posted By Chas Tennis
The main issue to consider is motion blur. ...

The main issue to consider is motion blur.

Casio produced excellent high performance high speed video cameras from 2008 to 2011. These had full manual exposure control and could set shutter...
Forum: Camcorders   12-21-2014, 10:50 AM
Replies: 11
Views: 280
Posted By Chas Tennis
I have free Vimeo and don't know what Vimeo Pro...

I have free Vimeo and don't know what Vimeo Pro has.

About 2 years ago, I looked into some issues so this information may not be accurate or current -

For free Vimeo I had learned that if I...
Forum: Camcorders   12-21-2014, 05:38 AM
Replies: 11
Views: 280
Posted By Chas Tennis
Here's some information for free Vimeo. There's...

Here's some information for free Vimeo. There's some more on compression I believe, easy to search. (I find this kind of information more difficult to search and find for Youtube.)
...
Forum: Camcorders   12-20-2014, 02:00 PM
Replies: 11
Views: 280
Posted By Chas Tennis
My Firefox has worked fine displaying Vimeo, YT...

My Firefox has worked fine displaying Vimeo, YT and I've never seen that kind still problem. ?

Maybe that issue is for a different thread - to see if many users have your problems with certain...
Forum: Camcorders   12-20-2014, 12:39 PM
Replies: 11
Views: 280
Posted By Chas Tennis
Youtube Supports 60 fps

I don't know much about this.

Apparently now Youtube supports 60 fps.

http://www.theinquirer.net/inquirer/news/2378662/youtube-now-supports-60fps-video-playback-in-chrome-and-safari

I...
Forum: Camcorders   12-20-2014, 04:34 AM
Replies: 3
Views: 133
Posted By Chas Tennis
dpreview forums have a lot of threads on still...

dpreview forums have a lot of threads on still pictures. If you don't get an answer here try a thread there.
Forum: Camcorders   12-11-2014, 03:00 AM
Replies: 11
Views: 280
Posted By Chas Tennis
Both Vimeo and Youtube compress video in addition...

Both Vimeo and Youtube compress video in addition to the compression that occurs on the camera. Also in the past - not sure now - if you uploaded a 60p fps video to Vimeo (and maybe YT also?) Vimeo...
Forum: Camcorders   10-23-2014, 03:47 AM
Replies: 38
Views: 2,098
Posted By Chas Tennis
240 fps is enough time resolution for nearly...

240 fps is enough time resolution for nearly complete 2D analysis of athletic motions.

Thread with some iPhone 6 video examples for tennis and golf....
Forum: Camcorders   10-10-2014, 12:57 PM
Replies: 4
Views: 433
Posted By Chas Tennis
Here is a 9 ft support arm. ...

Here is a 9 ft support arm.
http://www.flycamdslr.com/hdvs/proaim-tm-9ft-jib-arm-with-jib-stand-dl-290-dolly-cameras-weighing-upto-6-8-kg-15-lbs.html

Google: camera high support tripod pictures...
Forum: Camcorders   10-10-2014, 11:04 AM
Replies: 0
Views: 241
Posted By Chas Tennis
Troubleshoot - New Quicktime Pro Problem - Videos not visible after a few minutes.

Video editing software -

In my new Quicktime Pro things work as expected except that if videos are minimized for any more than a few minutes they disappear from inside the QT frame, QT seems to...
Forum: Camcorders   08-14-2014, 03:47 PM
Replies: 2
Views: 375
Posted By Chas Tennis
Monopod vs Hand Held for Panning Sports Videos

Has anyone had experience on comparing hand holding a video camera vs using a monopod for panning in sports (soccer, tennis, baseball, racing,..etc.)

Are there monopods that have scanning heads...
Forum: Camcorders   06-12-2014, 10:23 AM
Replies: 17
Views: 1,427
Posted By Chas Tennis
Rugby? They certainly do. But for £s it must be...

Rugby? They certainly do. But for £s it must be the UK and 50 Hz.
Scowl misled me.......

OP should consider same issues for 50 fps .........

(I do mostly 240 fps, shutter speed - 1/10,000...
Forum: Camcorders   06-12-2014, 09:10 AM
Replies: 17
Views: 1,427
Posted By Chas Tennis
The OP can decide for his application whether he...

The OP can decide for his application whether he wants to emphasize more attractive 30 fps playback or frames with less motion blur for more accurate analysis of locations. ? He also refers to some...
Forum: Camcorders   06-12-2014, 07:20 AM
Replies: 17
Views: 1,427
Posted By Chas Tennis
As far as I know there is no "shutter speed for"...

As far as I know there is no "shutter speed for" 60p fps. It could be set manually or by an automatic exposure control that could select faster shutter speeds for higher light levels.

I have an...
Forum: Camcorders   06-11-2014, 06:03 AM
Replies: 17
Views: 1,427
Posted By Chas Tennis
Lighting Issues - Indoors vs Outdoors, Shutter...

Lighting Issues - Indoors vs Outdoors, Shutter Speed & Motion Blur

http://www.kinovea.org/en/forum/viewtopic.php?pid=2033#p2033

It is nice for stop-action single-frame to have a fast shutter...
Forum: Camcorders   06-11-2014, 05:53 AM
Replies: 17
Views: 1,427
Posted By Chas Tennis
60 fps (or 50 fps) Progressive and Interlaced - ...

60 fps (or 50 fps) Progressive and Interlaced -

I do not know much about this area and my information is probably dated,

I read for sports that TV broadcasts were often using 60p 720. (Or 50p...
Forum: Camcorders   06-11-2014, 05:19 AM
Replies: 17
Views: 1,427
Posted By Chas Tennis
What sports?

What sports?
Forum: Camcorders   06-04-2014, 09:01 AM
Replies: 48
Views: 15,720
Posted By Chas Tennis
The water temperature probably cools the case...

The water temperature probably cools the case and causes condensation of some water vapor trapped inside the case.

1) Figure a way to seal the case when it is much dryer.

2) Find a way to fill...
Forum: Camcorders   04-12-2014, 08:56 AM
Replies: 8
Views: 4,171
Posted By Chas Tennis
Quote:Originally Posted by...

Quote:Originally Posted by JAT3 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1525710/looking-for-best-slow-motion-camcorder#post_24598969)

Hi All,
The previous...
Forum: Camcorders   04-04-2014, 06:40 AM
Replies: 8
Views: 4,171
Posted By Chas Tennis
Unfortunately indoor lighting levels are usually...

Unfortunately indoor lighting levels are usually only about 1% of outdoor direct sunlight.
http://www.kinovea.org/en/forum/viewtopic.php?pid=2033#p2033

This low lighting level makes high speed...
Forum: Camcorders   03-18-2014, 11:59 PM
Replies: 1
Views: 194
Posted By Chas Tennis
Video cameras usually have frame rates that are...

Video cameras usually have frame rates that are pretty well set.

However, I have read in some forums that some smartphone video cameras have frame rates that may vary particularly if the lighting...
Forum: Camcorders   02-01-2014, 10:22 AM
Replies: 14
Views: 560
Posted By Chas Tennis
Quote:Originally Posted by Paulo...

Quote:Originally Posted by Paulo Teixeira http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1514721/video-camera-for-martial-arts#post_24297005)

Why not something like the...
Forum: Camcorders   01-31-2014, 02:32 PM
Replies: 14
Views: 560
Posted By Chas Tennis
Quote:Originally Posted by...

Quote:Originally Posted by AJInstitute http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1514721/video-camera-for-martial-arts#post_24293931)

The lighting is the first...
Forum: Camcorders   01-30-2014, 12:10 PM
Replies: 14
Views: 560
Posted By Chas Tennis
Quote:Originally Posted by...

Quote:Originally Posted by JerryLove http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1514721/video-camera-for-martial-arts#post_24288191)

Obviously: the corrxt solution...
Forum: Camcorders   01-28-2014, 10:48 PM
Replies: 14
Views: 560
Posted By Chas Tennis
Some information on high speed video, motion...

Some information on high speed video, motion blur, indoor lighting, automatic exposure control.
http://www.kinovea.org/en/forum/viewtopic.php?id=435

Indoors the light levels are probably only...
Showing results 1 to 25 of 138

 
Forum Jump: