Digital Signal Processing for Audio Applications: Volume 2 - Code

Digital Signal Processing for Audio Applications: Volume 2 - Code

by Anton R Kamenov

NOOK BookThird Edition (eBook - Third Edition)

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Overview

In the summer of 2003 we began designing multi-track recording and mixing software – Orinj at RecordingBlogs.com – a software application that will take digitally recorded audio tracks and will mix them into a complete song with all the needed audio production effects. Manipulating digital sound, as it turned out, was not easy. We had to find the answers of many questions, including what digital audio was, how we could mix audio tracks, how we could track the amplitude of digital sound so that we could apply compression, how we could track frequencies so that we could equalize, what a good model of artificial reverb would be, and many others. Bits of relevant information were available, albeit not always well organized and not always intuitive.

Explaining the mathematics behind digital signal processing – DSP – is the task volume 1.  It is a start, but there is more.  It is not always straightforward to translate the mathematics into code.  The purpose of volume 2 is just that.  It translates the mathematical formulae in volume 1 into practical algorithms.  It does so with actual DSP effects, including distortion, delay, chorus, equalizer, compressor, reverb, wah wah, and others.

Volume 1 of this book makes the argument that much of DSP can be reduced to simple algebraic and trigonometric manipulations.  We hope that this volume shows that coding DSP is similarly not complex.  In contemporary audio recording and mixing software, storing audio data, managing audio files, and designing an intuitive but functional user interface could be much more intricate than modifying the audio data themselves.

Product Details

ISBN-13: 9780692913826
Publisher: Anton Kamenov
Publication date: 08/01/2017
Sold by: Barnes & Noble
Format: NOOK Book
Pages: 218
File size: 300 KB

Table of Contents

Chapter 1. Introduction
Chapter 2. The WAVE file format
Chapter 3. The Orinj effect framework
Chapter 4. Distortion
Chapter 5. Testing the distortion
Chapter 6. Delay
Chapter 7. Echo
Chapter 8. Multitap delay
Chapter 9. Chorus
Chapter 10. Bass chorus
Chapter 11. Equalizer
Chapter 12. Noise gate
Chapter 13. Compressor
Chapter 14. Reverb
Chapter 15. Wah wah
Chapter 16. Pitch shift
Chapter 17. Mixing and recording
Appendix A. Other wave chunks
 

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