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Weekly Chat, 23 October 2015

October 23, 2015

Here is another weekly chat, this time discussing some of the new features in CD/DVD Inspector version 5.0.  One of the big things with this version is that the even for simple tasks it is often the case that the same content is being retrieved from the disc multiple times.  If you bring up the new Image Gallery and then produce a report with thumbnails every single picture on the disc will have been read at least three times.  When there are thousands of pictures on a disc, this can be quite time-consuming.

Previously, there was a argument in favor of always reading from the disc.  Partly, this was somewhat outdated but still relevant for many, this argument was disk space.  A simple DVD that is full of data is going to take 4.35GB of hard drive space to hold an image and it has only been in the last few years that terabyte and multi-terabyte hard drives for computers were common.

Also, there was the argument that if all you are doing is producing a report from a disc creating an image file is of limited benefit if you then turn around and produce the report from the image file.  This is still true in some sense, although with the assumption of greater processing speed, faster hard drives and nearly unlimited hard disk space, it is more reasonable to create an image file from every disc as a first step.

When used interactively, this is very simple.  You point at a physical CD/DVD/Blu-ray drive and select it.  Immediately you are prompted for where to save an image file.  You can select between the “InfinaDyne” .IDIF/.DMEM format or an ISO+CUE format with the caveat that file system information is stored in the InfinaDyne format which eliminates re-discovery if the image file is opened again later.

For a robotic system the same option is utilized to control the processing of discs and image files, only for a robotic system the image file is stored in the predesignated output folder.  The format of this image file can be selected with the Robotic Loader preferences.  If no image file is selected, then the InfinaDyne image file format is used and the image file is deleted when processing of the disc ends.

The benefit of creating an image file as a first step of processing a disc is only really apparent when some of the newer features are used, but even if all you are doing is producing a report with a robotic system there maybe some benefit to running the report off an image file.

The option that controls this is called “Always collect image file” and it is on the general Options tab for Preferences.  It will be defaulted to checked with version 5.0 so if you do not want this behavior you will need to uncheck it.

If you are interested in something specific being discussed, please let me know at sales@infinadyne.com.

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