You can just press play if you want to, but if you're forensically processing evidence I wouldn't advise it. Know the playback software, as it is just as important to proper playback and interpretation as the hardware. Take Windows Media Player, for instance.

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This really should come as no surprise to folks in our industry, as Apple's support of QuickTime on Windows has waned over many years. It's also important to understand that I.T. is going to take a global approach to the new vulnerabilities, and will likely force removal of QuickTime from all hosts they control/manage. Your job, should you choose to accept it, is to explain to them why you are an exception, and to learn more about the available options and solutions to address your environment and needs. There are options.

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On vacation, but thought I'd comment on this topic before getting on the Harley to go run some errands in the cold Pacific Northwest. As pointed out in someone else's recent blog post, MPEG-4 can leverage what is referred to as a Sample Aspect Ratio (SAR)...not to be confused with Storage Aspect Ratio (SAR) or Signal Aspect Ratio (SAR). It's important to note that in the case of MPEG-4, the Sample Aspect Ratio is the Pixel Aspect Ratio (PAR); they are one and the same.

It's also important to note, again, that regarless of any of these numbers, the shape of the samples from an analog source ARE NOT DEFINED BY THE NUMBER OF LINES.

Oh, one more thing...most multimedia NLE and encoding applications provide precise control of all of these settings. Just an FYI. All the best my friends.

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I just returned from another great week of DME training at our office out on the east coast last week. One of the themes I've come to recognize through my travels teaching the fundamentals of DME Processing, is that even some of the most seasoned technicians and analysts don’t really understand the significance of hardware to accurate and proper processing of DME. It’s completely understandable why, given the marketing messages of some DME vendors, the fact that we're all constantly asked to do more with less, and the rate of related technological advancements.

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Consider this: If the DOJ forces Apple to create a new method to access this data in JUST this case, more than one Apple employee will need to be intimately familiar with it. It will need to be well documented, and protected by the very same US Federal Government privacy and security rules and regulations the DOJ is asking Apple to breach (think HIPAA, etc). Cool, Apple can do that, they have been more than helpful putting policies and procedures in place to accommodate government access legally from day one.

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