AS950 ARM Applications Library Programmer’s Guide

http://www.cadfamily.com/a/EDA_PCB/ARM/AS950-ARM-Applications-Library-Programmer-s-Guide_3792.html

This book is organized into the following chapters:
Chapter 1 Introduction
Read this chapter for an introduction to the ARM Applications Library.
Chapter 2 Adaptive Differential Pulse Code Modulation
Read this chapter for details on implementation, and for function
descriptions for adaptive differential pulse code modulation (ADPCM).
Chapter 3 G.711 A-law, µ-law, PCM Conversions
Read this chapter for details on implementation, and for function
descriptions for the G.711 standard for A-law and µ-law conversion of
pulse code modulation (PCM) signals.
Chapter 4 Fast Fourier Transform and Windowing
Read this chapter for details on implementation, and for function
descriptions for the fast Fourier transform (FFT), and implementations of
Hamming and Hanning windows that can be used with the FFT.
Chapter 5 Two-Dimensional Discrete Cosine Transform
Read this chapter for details on implementation, and for function and
macro descriptions for two-dimensional (2D) discrete cosine transform
(DCT).