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From Wikipedia, the free encyclopedia

The abbreviation DSP can refer to:








Study guide

Up to date as of January 14, 2010
(Redirected to Digital signal processor article)

From Wikiversity

Digital Signal Processors

DSPs are electronics component that converts Analog/Digital signal to IP packets and vice versa. These reside on phones that does the conversion. They also reside on Voice gateways. Voice Gateways are routers on which PSTN/service provider lines are terminated. These lines are often analog (if it is CO line) or Digital (if it is T1/E1). The gateway will also have an ethernet interface. The DSPs will convert the PSTN signaling and protocol stack to IP signaling and protocol stack. They also aid in call conferencing, transcoding and compressing voice packets.

For more information to DSPs please visit [1]


Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary






DSP (plural DSPs)

  1. (electronics)(countable) digital signal processor
  2. (electronics)(uncountable) Digital Signal Processing

See also

  • signal processing



Up to date as of January 23, 2010
(Redirected to Digital Signal Processing article)

From Wikibooks, the open-content textbooks collection

Digital Signal Processing

With the explosion of digital communications and digital media, the need for methods to process digital data is more important than ever. This book will discuss some of the mathematical concepts behind digital processing, it will then discuss some particular algorithms, and finally it will discuss the actual implementations of these techniques in actual hardware and software systems. Many real-world algorithms are based on the techniques described in this book. JPEG images, MP3 songs, MPEG-2 videos, and ZIP files are all processed using digital processing techniques, and all of them will be discussed, at least conceptually. This book will not teach programming, and will probably not even provide much in the way of actual code, so we don't need to worry about language dependance, except where otherwise noted. For some solid background information on some of the mathematical theory in this book, consider reading Signals and Systems.

This book is in a very early stage of production, and many of the pages either don't exist or only exist as bare stubs. Help and contributions from all wikibookians will be very much appreciated!

Table of Contents

Basic Information


Digital Filters

Analog Filter Modeling

Digital Processing

Filter Implementation

  • Filter Verification
  • Implementability

Noise and Errors

  • Finite wordlength effects
  • Clipping
  • Quantization Effects
  • Roundoff errors
  • Limit Cycles
  • Discrete Stochastic Process

Multirate Systems

  • Upsampling and Downsampling
  • Multirate Filters
  • Decimation and Interpolation
  • Polyphase decomposition

Advanced Filters

  • Dynamic Range Scaling
  • Filter Sensitivity

Spectral Analysis

  • Classical
  • nonparametric
  • Parametric
  • Linear Prediction

Adaptive filters



Resources and Licensing

External links

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