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Hack Audio
book

Hack Audio

by Eric Tarr
June 2018
Intermediate to advanced
492 pages
9h 52m
English
Routledge
Content preview from Hack Audio

Chapter 14

Delay Buffers and Fractional Delay InterpolationLinear and Circular Buffers, Linear and Cubic Interpolation

14.1 Introduction: Fractional Delay Using Buffers

This chapter is a digression from the topic of creating audio effects. Instead, it focuses on a general method of how time delay can be introduced digitally and implemented efficiently. This material is used for audio effects starting in Chapter 15.

In Chapters 11, 12, and 13, different approaches are presented for how delay effects can be created. First, array indexing at the current time sample can be used to reference the appropriate samples in the past based on the delay time. Second, the MATLAB function conv can be used with the impulse response of an FIR system. Third, ...

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Publisher Resources

ISBN: 9781351018449