Tag Archives: number crunching

Tested: “Compatible” Nikon EN-EL14 Batteries vs Genuine

Amongst the published articles on the site, it seems there is a fair amount of interest in the ones dealing with “compatible” and “fake” camera accessories, specifically Nikon EN-EL14 and EN-EL14a batteries. Having just recently returned from my first extended … Continue reading

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Analysis: Freeview Sydney (18 April 2017) after SBS moves to HD MPEG-4

While I was on holidays, the DVB-T digital TV stations at home were undergoing the last of a series of long-anticipated changes. On 8th April 2017, SBS followed the lead of the other broadcasters and finally converted over to MPEG-4 … Continue reading

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Opinion: The “Running Man” Saga & Viewer Ratings

This was a post I had meant to write before I left for my holidays, but never got around to it. Avid watchers of Korean TV would know that SBS’ Running Man show was embroiled in a saga where the … Continue reading

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Great AA Alkaline Battery Test – Addendum: 25mA Constant Current Tests

For those following along, they’d probably realize by now that I have left the country and are officially on holiday in the slightly-warmer-than-average-for-this-time-of-year Hong Kong. I had originally planned to make this post before I left home, but things got … Continue reading

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Great AA Alkaline Battery Test – Pt 4: Cell Physical Characteristics

After the rather interesting results in the previous section, I was curious as to who actually manufactured the cells for the lesser known brands, and whether that could be determined just by examining the physical characteristics of the cells. Given … Continue reading

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Great AA Alkaline Battery Test – Pt 3: The Results

If you’ve made it this far, congratulations, you’ve earned the right to read the results! If not, you could be doing yourself a big disservice and not understanding the true intricacies that underlie the subject of battery testing and the … Continue reading

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Great AA Alkaline Battery Test – Pt 2: The Contenders

Welcome to the second installment in the Great AA Alkaline Battery Test series, where the contenders for testing are presented. This post is one of the most image heavy posts I have ever delivered, so apologies if my webserver falls … Continue reading

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Great AA Alkaline Battery Test – Pt 1: Battery Testing Fundamentals

Regular readers would probably know that I have a love of batteries, and their associated test equipment. Maybe it was the fact that they were expensive, but pervasive, and my enjoyment as a child relied quite heavily on batteries to … Continue reading

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Canb2016: Special 1 – LS-120 & Zip250 Drives, LS-240 Disk & Benchmarks

In the last post, I alluded to some special postings related to my Canberra trip. Aside from the conference and roaming around, I was contacted by a reader who wished to offer me a few items as they thought I … Continue reading

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Canb2016: Part 6 – DAB+, DVB-T, FM Broadcast & Other Radio Scanning

It’s been a busy day of analysis to bring this part of my Canberra trip to a posting, but I suppose, it’s probably good that I’ve done the analysis before the data got too stale. In this post, I will … Continue reading

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Analysis: Freeview Sydney Post-Launch of ABC HD (6-7th Dec 2016)

Yesterday marked the launch of ABC HD, which finally means that Sydney Freeview gets each broadcasters’ main stations in high definition at long last. (EDIT: Actually, not quite true, as 7HD Sydney is still a simulcast of 7mate.) According to … Continue reading

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Video Compression: x264 CRF Generational Loss Testing

Having been involved in some way with video capture and editing from the late 90’s onwards, something we have always been taught is to avoid lossy formats for capture and editing due to the problem of generational loss. Put simply, … Continue reading

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Experiment: WD Green Data Recovery – Recovered Data vs Time?

Two weeks ago, a “friend” of mine turned up with an external hard drive which was declared dead and wanted to see what could be done about recovering the data from it. Naturally, as no novice when it comes to … Continue reading

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Video Codec Tests: x264 CRF vs enc_qsv CQ vs x265 CRF in Handbrake 0.10.5

After my earlier attempt to do some codec comparisons, I realized that something went grossly wrong with the “difficult case” clip. Specifically, it was an interlaced video clip which I wanted to use, and I naturally assumed that interlaced encoding … Continue reading

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Video Compression Testing: x264 vs x265 CRF in Handbrake 0.10.5

Having played around with video since I had a few multimedia CD-ROMs and a BT878-based TV tuner card, video compression is one area that has amazed me. I watched as early “simple” compression efforts such as Cinepak and Indeo bought … Continue reading

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Opinion: Can You Beat Usain Bolt? Not So Fast!

The Rio 2016 Olympics will be a memorable event for a number of reasons, but as it draws to an end tonight (Sydney time), I thought it would probably be nice to have one Olympic-themed post. In an era of … Continue reading

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Freeview Update: Channel 7’s Multiplex after the launch of 7flix

Today marks the official launch of 7flix, Channel 7’s new movie-oriented channel. Since the channel is now running actual content, the configuration of the encoders should have reached their “production ready” state, so lets see where the chips have landed. … Continue reading

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Telstra’s “We’re sorry” day Experiment: 4G LTE Speed vs Time of Day

Rather embarrassingly, on February 9th, Telstra suffered a significant mobile outage across the country owing to human error in handling a hardware failure in a set of redundant mobile nodes, resulting in the shut down of too many nodes and … Continue reading

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Examined: Li-Ion/Li-Poly-based Power Bank Charge Current Profiles

It’s been a long time since I posted anything about power banks. Believe me, I would have liked to bring you some more reviews, or updates on cycle life testing, but due to my PhD commandeering my dual-measure multimeter I … Continue reading

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Analysis: Freeview Sydney – Launch of 9Life, DSM-CC, etc.

As per the announcements, at 6am on 26th November 2015, the 9Life channel was officially launched and the Channel 9 Freeview offerings have undergone a reshuffle as a result. Anticipating this move for a week now, I had my trained … Continue reading

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Analysis: Sydney Freeview Services (Nov 2015) & Melbourne Cup

Being the busy person that I am, I don’t usually have much time to watch TV, not that there’s much to watch on Freeview most days. Despite that, I caught wind that Channel 9 will launch a new lifestyle channel … Continue reading

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FB Friends: Thanks for Participating in the Birthday Experiment!

Yesterday, I officially turned 25. Another complete year older – complete with the feeling of being mellow, feeling somewhat helpless and going about my day as usual. I woke up at 7am in the morning to build a veroboard interface … Continue reading

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