Monthly Archives: November 2013

What Killed Apple’s AirPlay?

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By Stephen Shenefield

The Apple team has succeeded over the years because they continue to offer a premium user experience – what many call “easy to use” – but which really extends to all aspects of working with the company and its products.  Apple products are easy to buy, and relatively easy to set up and use.

Apple’s AirPlay is a networked (usually Wi-Fi-based) streaming audio system that allows the owner to choose music from iTunes (PC or Mac) or an iOS device (iPhone/iPad/iPod touch) and play it on a compatible Apple-certified AirPlay audio product.  In the case of Apple’s own Apple TV, it is possible to play videos as well, or photos, from a modern Mac or iOS device.

Apples’ AirPlay for many people has been a disappointment because it simply doesn’t Continue reading →

If the highest note on a guitar is below 1000 Hz, why do you need a tweeter?

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From the Boston Acoustics Blog Archives (circa 2011, updated 2013)

If you pick up an acoustic guitar (depending on the design of the neck) and play the top E-string on the top fret, you are playing B, at about 988 Hz. Some electrics even go a couple notes higher. A quick look at speaker specs will show a transition to the littlest driver, the tweeter, somewhere around 2,500 to 3,500 Hz, and the tweeter specializes in the highest frequency range, up to 20,000 Hz or higher.

Of course you would point out that a piccolo goes even higher than the guitar. How high? The top note on Continue reading →