ThinkDSP Files

Digital Signal Processing in Python, by Allen B. Downey

This is an exact mirror of the ThinkDSP project, hosted at https://github.com/AllenDowney/ThinkDSP. SourceForge is not affiliated with ThinkDSP.

The interactive file manager requires Javascript. Please enable it or use sftp or scp.
You may still browse the files here.

Name	Modified	Size	InfoDownloads / Week
Parent folder
thinkdsp.epub	2026-10-10	4.3 MB	0
thinkdsp.pdf	2026-10-10	4.3 MB	0
README.md	2026-10-10	483 Bytes	0
Think DSP, version 1.1.5 source code.tar.gz	2026-10-10	104.8 MB	0
Think DSP, version 1.1.5 source code.zip	2026-10-10	104.8 MB	1
Totals: 5 Items		218.1 MB	1

Think DSP, version 1.1.5 (PDF and EPUB).

Also available at https://greenteapress.com/thinkdsp/thinkdsp.pdf and from the book's page, https://greenteapress.com/wp/think-dsp/. A second edition is in progress at https://allendowney.github.io/ThinkDSP2/.

Changes since 1.1.4:

A notice on the first page points to the second edition in progress.
Updated links (think-dsp.com and thinkstats2.com are no longer in use); a dead video link replaced.
Corrections contributed in 2023.

Source: README.md, updated 2026-10-10

Other Useful Business Software

Paessler: Easy to Use With Enterprise Power. Free Trial

A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.

Get Free Download

MongoDB Atlas runs apps anywhere

Deploy in 115+ regions with the modern database for every enterprise.

MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.

Start Free

$300 Free Credits to Build on Google Cloud

New customers can spin up VMs, build with AI, and query data at no cost.

Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.

Start Free

Recommended Projects

Freeverb3_vst
Freeverb3 DSP VST effect plugins
DSP Lab
Digital Signal Processing Simulation
Python Data Science Handbook
Python Data Science Handbook: full text in Jupyter Notebooks
Python Machine Learning
The "Python Machine Learning (2nd edition)" book code repository
WebDSP
A client-side signal processing library