Monthly Archives: February 2012

A brief run down of the last 15 hours

Like most of the geek community we were up before 6 this morning watching the raspberrypi.org homepage. Until 6AM nothing loaded and then at 6 a static page went up which pointed us on to places to buy the Raspberry … Continue reading

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We believe we have a launch date!

While there is still an air of mystery, the raspberry pi foundation seem to have named the 29th February as their launch date. The website recently was updated with the post: “The Raspberry Pi Foundation will be making a big … Continue reading

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Sample rate to Bit rate

We looked previously at the sampling theorem and the way that affects the frequencies which can be represented. Since the advent of audio compression algorithms all the talk has been about bit rate. Today we’ll look at these two terms … Continue reading

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Two views of audio

There are two views, or domains, in which audio must be viewed to make any sense of it. Firstly, the time domain. This is the most common way of thinking of audio. Sampled audio is a time domain representation of … Continue reading

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The Sampling Theorem

Digital audio is underpinned something called the Shannon-Nyquist sampling theorem. This theory from way back in 1949 and relates to all information but is particularly important to the study of audio. What the theory tells us is that any continuous … Continue reading

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Where to start?

So much excitement about the Raspberry Pi, which will hopefully be with us in a few short weeks. We’re planning our first few projects and are wondering what others think about audio projects on the Raspberry Pi. So we’ve made … Continue reading

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