ADPCM

Version 1.4.0.0 (3.57 MB) by Speech Processing
Implements an ADPCM coder for waveform coding of speech
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Updated 23 Jun 2015

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Speech processing designates a team consisting of Prof. Lawrence Rabiner (Rutgers University and University of California, Santa Barbara), Prof. Ronald Schafer (Stanford University), Kirty Vedula and Siva Yedithi (Rutgers University). This exercise is one of a set of speech processing exercises that are intended to supplement the teaching material in the textbook “Theory and Applications of Digital Speech Processing” by L R Rabiner and R W Schafer.
This MATLAB exercise implements an Adaptive Differential Pulse Code Modulation (ADPCM) coder for waveform coding of speech signals.

Cite As

Speech Processing (2026). ADPCM (https://se.mathworks.com/matlabcentral/fileexchange/45310-adpcm), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2015a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.4.0.0

Minor layout tweak
Updated to work with post-R2014b graphics
1.2.0.0

code updates; Read_Me.txt setup file; pathnew_matlab_central example
1.1.0.0

Speech files fix added
1.0.0.0