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Hello Mary,

Attached is a copy of an Email message sent to Angus Burnett on March 30 describing the installation and operation of the SIIG/Ulead and the Pinnacle DV frame grabbers.

Please review this information and feel free to contact me for any additional information.


John Probe
Email: ARIEL1@ix.netcom.com

From: "Angus Burnett"
To: "Ariel"
Subject: Re: JVC 9800 Camcorders
Date: Thu, 30 Mar 2000 09:21:08 +0800
X-MSMail-Priority: Normal
X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300

Angus Burnett, PhD +61 8 9400 5860 (W)
+61 8 9400 5717 (Fax)
a.burnett@cowan.edu.au Lecturer - Biomechanics
School of Biomedical and Sports Sciences
Edith Cowan University
Joondalup Campus

Joondalup Drive, Joondalup, Western Australia, 6027 ----- Original Message ----- From: <mailto:ariel1@ix.netcom.com>Ariel To: title=a.burnett@cowan.edu.au>a.burnett@cowan.edu.au Cc: title=gideon@arielnet.com>gideon@arielnet.com Sent: Thursday, March 30, 2000 7:20 AM Subject: JVC 9800 Camcorders
Hello Angus,

I assume you will be the person working with the new JVC 9800 camcorders
and the APAS system. If not, please forward this to whomever will be
configuring the systems.

Your shipment includes 4 JVC camcorders and 2 DV capture cards. The card
manufactured by SIIG is the original DV card and includes the ULEAD DV
capture software. You can find directions for installation and capture on
our web site. The direct address is:


After you receive the camera and install the ULEAD DV capture software on
your computer, you will need to download a patch file directly from the
Ulead web site (www.ulead.com). The direct address for the download is:


The file you need is about 3 MB in size and is required for the JVC9800

The new "upgraded" video card is the Studio DV from Pinnacle. Simply
follow the instructions listed in chapter 2 of the Pinnacle manual for
installation. There are no patches required for this card.

You will also require the latest version of the APAS software. This can be
downloaded directly from the Ariel internet site (www.arielweb.com). Please
check with Gideon before downloading to make cerain you get all the
required files.


John Probe

Ariel Dynamics, Inc.
4891 Ronson Court
Suite F
San Diego, California 92111 USA
(858) 874-2547 Tel
(858) 874-2549 Fax
Email: ARIEL1@ix.netcom.com
Web Site: http://www.arielnet.com


Hi Mary,

I will provide anwers below each question.  Please contact us for any
additional information.


John Probe
Email:  ARIEL1@ix.netcom.com


At 10:59 AM 4/14/00 +0800, you wrote:
>Hello John,
>Many thanx for replying.
>I am capturing using the Ulead programme.
>I have a few queries below;
>I have connected the camcorder to the back of the PC using a grey firewire
>core filter cable. Do we need a firewire cable for each camcorder (4) ?.
The firewire cable is included with the DV frame grabber so you should have
two of them.  At this time, the frame grabbers only support one camera at a
time.  They cannot support captruing video from multiple cameras without
dropping frames.  Therefore, you only require 1 cable with each frame grabber.

>It appears that only one cable with DV in/out came with only one of the
>cameras. This cable is black and has no core filters.
The cables delivered with the JVC cameras should all be the same so you
should have 4 sets of these.  I am not exactly certain which cable you are
referring to.
As stated above, 1 black DV cable is included with the SIIG frame grabber
and one grey DV cable is included with the Pinnacle frame grabber.

>Does each camcorder have to have their own software that came with each
>camera ?.
The software for each camera is included in the APAS software and is
activated by the Site Keys entered as part of the software license.

>Hope all this makes sense and you camn help me.
>>At 04:53 PM 04/12/2000 +0800, you wrote:
>>>Hello John,
>>>Thanx for your e-mail.
>>>I can now capture video footage.
>>>However, the designated E: drive to save data to is our CD burner.
>>>We have tried designating other drives but does not work.
>>>Have you any suggestions ?.
>>>Mary Cornelius
>>>Sports Science Techncian
>>>Sports Science
>>>School of Biomedical and Sports Science
>>>Edith Cowan University, Perth Western Australia 6027.
>>>Phone +61 8 9400 5553
>>>Fax  +61 8 9400 5717
>>>E-mail    m.cornelius@cowan.edu.au
>Mary Cornelius
>Sports Science Techncian
>Sports Science
>School of Biomedical and Sports Science
>Edith Cowan University, Perth Western Australia 6027.
>Phone +61 8 9400 5553
>Fax  +61 8 9400 5717
>E-mail    m.cornelius@cowan.edu.au

Hello Susan,

Ariel Dynamics is curently using the JVC digital camcorders.  These cameras
have many advantages since they are battery operated and also support high
speed video analysis.  These cameras do have an S-Video (analog) output
that can be used with your current configuration only for 60 Hz analysis.
However, it is recommended to use the associated digital video hardware.
This includes the Digital Video (DV) capture card, DV cameras and Ariel
Software drivers. 

The Digital Video capture card & software sells for $450

The JVC camera and software drivers for 60 & 120 Hz analysis sells for
$3,500 per camera.

The JVC camera and software drivers for 60/120 & 240 Hz analysis sells for
$5,000 per camera.

The Ariel software drivers are required to extract the high speed data from
the recorded images and is included in the prices listed above.

Please contact us for any additional information.


John Probe
Email:  ARIEL1@ix.netcom.com

At 05:16 PM 05/09/2000 -0400, you wrote:
>We presently have the Panasonic 60 Hz cameras. We are investigating the
>digital cameras that are mentioned on the website. One thing is
>unclear...is additional software necessary to integrate the cameras with
>APAS? If so, is the software included in the price of the cameras (or at
>what cost)?
>Thank you.
>Susan A. Chinworth, PhD, PT
>Elon College Dept of PT Education
>2085 CB
>Elon College, NC 27244
Ariel Dynamics, Inc.
4891 Ronson Court
Suite F
San Diego, California  92111  USA
(858) 874-2547 Tel
(858) 874-2549 Fax
Email:  ARIEL1@ix.netcom.com
Web Site:  http://www.arielnet.com


Gideon asked me to help with your questions regarding JVC DVL9600 or DVL9800 camcorders in high speed mode.

I think your analysis of the pixel dimensions for these camera models is basically correct.   Assuming NTSC, one starts with a frame which is 720x480. Separating the two fields which are 1/60 sec apart results in a whole field size of 720x240. Then if one considers 120Hz with horizontal panels the optimal size would be 720x120, or vertical panels 360x240. At 240 hz the optimal panel size would be 360x120.

As a practical matter, JVC does not split the panels optimally. In practice the real panel sizes approximately are:

            120Hz Horizontal   720x240

            120Hz Vertical   300x240

            240Hz   300x185 

The two cameras in question are great cameras. They offer much higher that standard image rates of a very affordable price. This makes them a very attractive choice for biomechanical analysis. However there clearly is a tradeoff involved, higher image rate for lower resolution. One can get both the higher image rate without loss of resolution but only at a high price.

I hope this helps.

Jeremy Wise, PhD

Dir R&D


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