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What is digital audio?
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elektro80
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Joined: Mar 25, 2003
Posts: 21959
Location: Norway
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PostPosted: Thu Aug 21, 2003 5:05 pm    Post subject: What is digital audio? Reply with quote  Mark this post and the followings unread

I get a lot of email, mostly from non members at this site regarding issues with digital audio. In order not to repeat myself I will send you guys to a nice page which explains some of this pretty well:
Introduction to digital audio


You can forget the math, but try to understand the various stages anyway. One important thing to spend some time understanding is the Nyquist sampling theorem. It states how quickly samples must be taken to ensure that the original signal can be reconstructed. The theorem induces that the original analog signal to be sampled must be band limited to half the sampling frequency. And there is a nice explanation of the concept of oversampling here too. I will stress the fact that understanding these issues will be important for any digital musician. And.. some of the information here is vital for understanding some of the issues with rendering a digital file in the mix / mastering stage of a music project. Enjoy!
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