Tag Archives: analysis

Happy New Year: Sydney Fireworks Broadcast Side-by-Side Comparison

Happy New Year! Lets start this year off by taking a look at the new year’s eve fireworks broadcast. This year, just like last year, the televised transmission of the Sydney Harbour new year’s eve fireworks was done by the … 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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Post-Mortem: Apple 60W MagSafe Power Adapter (A1344)

Unlike most of my other posts which are relatively straightforward, this post has a little story behind it. In March, Matson of Chicago, Illinois, USA contacted me about his “dead” Apple 60W MagSafe Power Adapter and wondered if I’d be … 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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Failed: Click LTMR5W3K 5W LED MR16-Replacement Globe

Throughout LED lighting’s journey towards mainstream adoption, several generations of end-user retrofit globes have been produced by many companies in a wide variety of configurations for simple “plug and play” upgrades. Unfortunately, these globes were not always of the quality … Continue reading

Posted in Electronics, Lighting | Tagged , , , , , | 2 Comments

Freeview Update: 7HD Sydney’s (sort of) Launch?

A few weeks back, a kind tweet from a reader let me know that 7HD Melbourne was on the air and broadcasting. While I was down in Melbourne, I wasn’t fortunate enough to be able to scrape together a transport-stream … Continue reading

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Project: Examining VGA BIOS from Old Graphic Cards

I suppose they say, once you have a hammer, everything looks like a nail. Indeed they are right, because now I have a ROM programmer, I couldn’t stop pulling teeth chips just to dump them. Aside from motherboard BIOS chips, … Continue reading

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Freeview Update: Analysis of Network TEN’s Multiplex after launch of TEN HD

Today, Wednesday 2nd March, marks the launch of TEN HD’s service, promised to us at 3pm AEDST. They have a press release and a list of FAQs which includes a free call helpline (1800 783 117) for more information. Sadly, … 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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Freeview Updates: TEN HD to launch 2nd March

Earlier this month on 14th February, I was alerted by a Justin L. about a potential new channel coming to Freeview named TEN HD. In anticipation, I immediately grabbed my TV tuner only to find nothing was on the air, … 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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Site Update: Celebrating 1 million+ views (25 Jan 13 – 3 Sep 15)

On 23rd January 2013, this site (i.e. goughlui.com) was officially born out of the ashes of gough.ath.cx, formerly served from home on an ADSL2+ link with a humble Raspberry Pi Model B with WordPress, and before that, a Pentium III … Continue reading

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Teardown, Analysis: Unbranded Plastic Case HDMI 2-Port Splitter

A short while ago, I did an analysis of an unbranded metal cased HDMI splitter, to discover that it has been designed in such a way to be non-compliant with HDCP requirements. At the time, I had ordered another model, … Continue reading

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Teardown, Analysis: Unbranded Metal Case HDMI 2-Port Splitter

The introduction of HDMI into the home has been a rather problematic one. Unlike the analog forebears that came before it, DRM came baked into the interface in the form of HDCP, and demands on the quality of the cable … Continue reading

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Project: Scanning Sydney’s DAB+ & FM Broadcasts

While on holiday in Hong Kong, I did some scanning of broadcast services over there and SydneyCityTV tipped me off that there were indeed slideshow services on DAB+ here in Sydney as well. It’s funny how we “get used to” … Continue reading

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Melbourne Cup Day: A Grid Frequency Analysis

Another year, and another “race that stops the nation.” While I’m not of the betting sort, and I didn’t really get into it as such, it’s almost a tradition that no matter where you are, at 3pm on the first … Continue reading

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Testing: Charger Doctor and USB Detector Accuracy

Ever since I got my Charger Doctors/USB detector, I have been fascinated with how they have been able to provide such a useful tool for a low price. After taking each of them apart and analyzing their circuitry and connections, … Continue reading

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Reverse Engineering: The KW203 USB Detector

Since I decided to take apart the other USB Charger Doctor unit to determine how it worked, my curiosity could only be satisfied if I took apart this unit as well. Out of the two units, this was the pricier, … Continue reading

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Reverse Engineering: The USB Charger Doctor

In my last post, I had a good look at the features of two different USB charger doctors, and went through a quick teardown. It was fascinating, especially for the blue unit, that they could make and supply such a … Continue reading

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32Gb microSDHC Shootout: Sandisk Extreme, Toshiba Exceria HD, Kingmax Pro

This is the final part of my little crazy venture into testing 32Gb microSDHC cards. All seven cards that I ordered have finally arrived, and in this post, we will see how the Sandisk Extreme, Toshiba Exceria HD and Kingmax … Continue reading

Posted in Computing, Flash Memory, Photography, Raspberry Pi | Tagged , , , | 8 Comments

K22/Decabit Signalling Schedule Analysis

Earlier, I discovered the annoyance of mains ripple based signalling and developed a means of decoding and logging the transmissions. While I performed some preliminary analysis, further collection was underway. After collecting a little more than a week’s worth of … Continue reading

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Tech Flashback: MP3 Encoding Through the Years

It may be hard to believe, but the MPEG-1/MPEG-2 Layer III standard (commonly known as MP3) is now 19 years old (from public release date, or 21 years old from the first standards release). In technology terms, this is an … Continue reading

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Project: Analyze Mains Power Flicker Issue & Ripple Signalling

Over the past few weeks, we had experienced a few power outages and it came to my attention that the CFL in my room might be about to go. It had a characteristic “brightness” variation which seemed to pulsate from … Continue reading

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Project: Analyze Infrared Remote Signals with PiFace Control and Display

As part of being selected for the element14 RoadTest of the XBMC kit, I was also provided a PiFace Control and Display for some reviewing. As you can appreciate, it’s been very much busy on my end, and my inability … Continue reading

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Analysis: Australian Hearing’s Telscreen 1800 826 500

Australian Hearing’s Telscreen is the “world’s most advanced over the phone hearing test”. It is operated on the Australian Free-call number 1800 826 500 and is not available to mobile phones. This service offers users the ability to check their … Continue reading

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