November 2012
Intermediate to advanced
535 pages
12h 28m
English
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CHAPTER 1
Digital Audio Signal Processing Principles
The first affordable digital audio devices began appearing in the mid-1980s. Digital signal processing (DSP) mathematics had been around since the 1960s and commercial digital recordings first appeared in the early 1970s, but the technology did not become available for widespread distribution until about 15 years later when the advent of the compact disc (CD) ushered in the age of digital audio. Digital sampling refers to the acquisition of data points from a continuous analog signal. The data points are sampled on a regular interval known as the sample period or sample interval. The inverse of the sample period is the sampling frequency. A compact disc uses a sampling frequency of 44,100 Hz, ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.