Tag Archives: audio

Project: THE (large) COLLECTION of V.34 Modem Sounds

After my posting of the definitive collection of V.90 modem sounds, a number of people got in touch with me with a few of them requesting the same to be done with V.34 connections. At first, I didn’t see the … Continue reading

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Teardown: RadioShack Amplified Telephone Earpiece (43-229)

After my experimentation in building a T-coil receiver on my own, it seemed that the unit did have some issues which I eventually corrected. While it seems the schematic may have been a victim of a transcription error, I thought … Continue reading

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Teardown: FiiO E5 Headphone Amplifier

The FiiO E5 was a low-cost but decent performing compact headphone amplifier a few years back. The unit bore a vague resemblance to an iPod Shuffle clip-version, and was relatively compact with integrated rechargeable lithium-polymer battery. Since someone didn’t want … Continue reading

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Project: THE DEFINITIVE COLLECTION of V.90/V.92 Modem Sounds

Just recently, there was a surge in traffic to my old legacy dial-up sounds pages. While I did my best with the equipment I had at the time to capture the sound of dial-up modems, I always knew that my … Continue reading

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Retired, Teardown: Uniden XSA660 Analog Cordless Phone

On the whole, the rapid pace of technology means that, inevitably, there will come a time when you will need to upgrade to newer devices. But some systems have stayed the same for so long, that sometimes they escape being … Continue reading

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Review: 1MORE Super Bass Earphones (EO303)

On this site, I’ve managed to review and test numerous 1More design products under the Xiaomi/Mi branding, but in this article, I will be reviewing a 1More branded product for the first time. The EO303 is also known as their … Continue reading

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Salvage: Audio Telex Communications ATC 5400 & Australian Monitor ATC5101-3 PA Speaker

When you see one of these grilled on the ceiling, your first thought may be “Hey, that’s a fire alarm evacuation speaker!” Indeed, you would be right. In the past few weeks, Wormald Fire Systems have been upgrading the fire … Continue reading

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Review: Meizu HD50 Hi-Fi On-Ear Headphones

When it comes to portable audio, users are increasingly enjoying their music on-the-go from portable music players and their mobile phones. While some of these products are bundled with included earbuds which seem to serve some people well enough, an … Continue reading

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Review, Teardown: Xiaomi (Mi) Headphones (ZBW4189CN)

Xiaomi has impressed me time and again by bringing a variety of quality products in both functionality and design at prices which are extremely affordable. Ever since they introduced their first audiophile grade over-the-ears headphones, dubbed the Mi Headphones, I … Continue reading

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Review: Xiaomi (Mi) In-Ear Headphones Pro

Xiaomi (or Mi for short) have been on a roll, showing time and time again that you don’t need to pay much for quality, style and functionality. Their portfolio of electronics continues to grow, as does their brand presence, spreading … Continue reading

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Modification: Ausdom M06 Headset to Bluetooth Headphone Adapter

Having recently just reviewed the Ausdom M06, I decided it didn’t quite fit my needs as a headphone, but it had a perfectly adequate and capable Bluetooth chipset. As a result, I decided to embark on a short journey to … Continue reading

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Review, Teardown: Ausdom M06 Bluetooth Stereo Headset

To most, Ausdom is not a highly recognizable brand. In fact, it is another one of those Chinese Shenzhen-based companies with lofty ambitions, currently focused on headsets, speakers, surveillance and automotive accessories. Such companies are often operating in highly price-sensitive … Continue reading

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Tech Flashback: The Microcasette – Part 2: The Recorders

If I had just a bunch of tapes but nothing to use it with, it wouldn’t be that exciting. After all, the last thing I had (prior to this batch of donated gear) was a Computec branded single-tape answering machine … Continue reading

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Tech Flashback: The Microcasette – Part 1: The Tapes

Just the other day, I was talking to a random stranger about floppy disks and VHS cassettes, and how another generation has already been born not knowing the frustrations and wonderment of simple old-fashioned technology. It’s interesting how such old … Continue reading

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Review, Teardown: Xiaomi (Mi) Mini Bluetooth 4.0 Speaker (NDZ-03-GA)

The Xiaomi or Mi brand has been gaining prominence in Asia for providing functional, quality and elegant products at very reasonable prices. Initially focusing mainly on smartphones, they have diversified into power banks, tablets, audio and mobile phone related accessories. … Continue reading

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Quick Review: Freetronics LeoStick (XC4266) Arduino Compatible Board

Just this week, I was gifted a Freetronics LeoStick from a colleague at the university, so I decided to take a look at it over the weekend. This particular unit seems to be distributed by Jaycar under catalogue number XC4266 … Continue reading

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Project: Audio Induction Loop Receiver (Part 3: More Sydney Trains)

In the previous part, I had began a small project to collect samples of digital voice announcements from Sydney Trains Millenium and Warratah sets. In fact, I had continued to collect more samples just out of my own interest, but … Continue reading

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Tip: Upgrading your FLAC collection to FLAC 1.3.1

Music enthusiasts and audiophiles generally view lossy compression as evil. Depending on how it’s done, it can significantly alter the music itself, introducing imperfections and destroying subtle cues. In a world where storage and processing are getting increasingly cheap, the … Continue reading

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Review, Tested: FiiO X1 Portable High Resolution Music Player

I would bet that the latest posts about the Sandisk 128Gb microSDXC card might have got some people thinking – who on Earth would need a 128Gb card, at such a price premium? Well, as it turns out, I decided … Continue reading

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Project: Audio Induction Loop Receiver (Part 2: Sydney Trains DVA Collection)

In the last part, I decided to design and build myself an audio induction loop receiver. Part of this was just out of pure curiosity as to what sort of signals exist in the electromagnetic spectrum at audio frequencies, but … Continue reading

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Project: Audio Induction Loop Receiver (Part 1)

In daily life, you might have come across signs like this, with a picture of an ear, and the letter T on them. Maybe you didn’t think any more about them, as an average person with perfectly good hearing – … Continue reading

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Quick Review: Audio-Technica ATH-M50xBL Limited Edition Professional Monitor Headphones

When it comes to audio, I have an unashamed preference for Audio-Technica products. While some people criticize their sound signature as being overly analytic and cold (as opposed to warm), I find them generally nice to listen to. There’s no … Continue reading

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RMA with Digital World International (DWI) – A Fruitless Endeavour

Some time in late March, my AudioTechnica ANC9 active noise-cancelling headphones decided to fail on me. Well within its 12-month warranty, purchased 15th October 2013 from DWI, I decided to return it to RMA after a while fumbling for the … Continue reading

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Teardown: Zalman ZM-RSSC v1 External USB 5.1ch Sound Card

As a bit of a computing nut, I’ve managed to accumulate hardware for many different reasons. Lately, I’ve decided that I should try out some new headphones, but the three sound cards in my machine are already in use! Oh … Continue reading

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Review: Sony MDR-10R “High-Res Audio” Headphones

I’ve been in a slight “headphone pickle” lately. My AudioTechnica ANC9’s have been in RMA for a long time (over a month), and my morning commute with canalphones has been causing my ears irritation over time. My A900’s at home … Continue reading

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Review, Teardown: Unbranded Bluetooth Stereo Audio Receiver

Sometimes you would like to go wireless for audio but you still love your cabled stuff. Maybe it’s a pair of quality amplified speakers, or maybe it’s a set of cabled noise cancelling headphones. Whatever the reason is, you’re probably … 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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Obituary: Nullsoft Winamp (21 Apr 1997 – 20 Dec 2013, 16 y.o.)

Around a month ago, the news stories already started making the rounds. I first saw it on Slashdot, proclaiming that Winamp was to be shut down on the 20th December 2013. The banner on Winamp’s website definitely said that it … Continue reading

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Salvage and Tech Flashback: Pioneer CT-W430 and Compact Cassettes

I guess today, I’m going to try and do a two-in-one post because the circumstances just so aligned. Another one of those UNSW Electrical Engineering salvage runs turned up this gem – a Pioneer CT-W430 dual cassette deck! This was … Continue reading

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Tech Flashback: Sony MiniDisc

Just this month, it was announced that Sony will make its last MiniDisc system next month, so I thought this was a good time to reminisce about MD and what it really meant … The MD was basically a small … Continue reading

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