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Top 23 C++ Dsp Projects
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essentia
C++ library for audio and music analysis, description and synthesis, including Python bindings
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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kfr
Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON)
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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r8brain-free-src
High-quality pro audio resampler / sample rate converter C++ library. Very fast, for both audio resampling and time-series interpolation.
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RenderMan
Command line C++ and Python VSTi Host library with MFCC, FFT, RMS and audio extraction and .wav writing.
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squares-and-circles
squares-and-circles is an alternate firmware for the Eurorack module O_C, targeting Teensy 4.
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In gr-dtv transmitter examples for Gnuradio, I see some times people use a resampler block before the RF hardware sink. Say our sampling rate is ~9.14Msps which satisfies the Nyquist criterion because our samples are complex numbers.
Glicol looks very cool! Also check out Faust if you haven't (https://faust.grame.fr), another FP sound programming language.
Project mention: Ask HN: Manufacturing somewhat novel MIDI controller | news.ycombinator.com | 2023-11-10You are about to bite off a lot. Ignore all the other advice in this thread, I do this for a living.
You have some software experience, this is good. Assuming you have embedded software experience (which is essential for what you are doing and not at all like web programming) you have a foothold to finish this project without going completely insane.
Hardware is a completely different beast. With software everything happens in your head and when you get stuck you can usually think your way out of it. With hardware, you really do need to learn to do things meticulously and step by step. There are many things that can go wrong. You will learn a lot on this journey.
Don't be afraid to ask for help. Finding a hardware community will be essential to do this as you learn the skills you need. You're going to make a lot of mistakes, best to go in embracing it
A good place to start is to join an open source community for MIDI. Two off the top of my head is http://www.ucapps.de/ for MIDI specific hardware and https://www.electro-smith.com/daisy
A large amount of the work you will find yourself doing at the beginning is just figuring out where and who to ask questions about things like the keybed and other hardware issues. None of this is terribly 'hard' but none of it is easy. Most of it comes from experience.
It is almost always best to use someone else's product when you are designing your first. Roger Linn (https://www.rogerlinndesign.com/) gave me some fantastic advice a couple years ago when I was trying to design switch caps: "Do you want to be a company that designs switch caps or one that designs synthesizers?" and that stuck. I don't want to design switch caps, so I bought them off the shelf, contracted someone to design my own, and moved on.
So to that end... just buy a couple keybeds from Fatar or someone else, or just grab a synth you already have or buy one off ebay and harvest the keybed from that (often times much cheaper than buying direct!)
Don't be afraid to spend money on tools. If you find something difficult, like soldering, I have not once regretted spending money on better tools. They grow with you and save you hundreds if not thousands of hours of unnecessary frustration. When you know you need a tool, find a way to get it.
Maybe I should make a blog post about this... hmm
Hope that helps!
Project mention: New Warps Symbiote Firmware: bringing new life to Mutable Instruments and clones | /r/modular | 2023-07-05- Ladder Filter: ported from an implementation of the improved Moog Ladder Filter - Dual State Variable Filter: implemented a dual filter based on Emillie's State Variable Filter - Reverbs: added 4 reverbs based on the implementations found in Rings, Clouds and Elements.
Project mention: What is your favorite open source eurorack module? And the best documented? | /r/synthdiy | 2023-06-15There is a variant with a teensy 4.0! https://github.com/eh2k/squares-and-circles
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Dsp related posts
- My Sixth Year as a Bootstrapped Founder
- Welcome to the Chata Programming Language
- Faust: A functional programming language for audio synthesis and processing
- Live + Python = ❤️
- Ask HN: Manufacturing somewhat novel MIDI controller
- Glicol: Next-generation computer music language
- Csound
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A note from our sponsor - WorkOS
workos.com | 25 Apr 2024
Index
What are some of the best open-source Dsp projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | gnuradio | 4,783 |
| 2 | essentia | 2,685 |
| 3 | faust | 2,403 |
| 4 | inspectrum | 1,989 |
| 5 | SOUL | 1,700 |
| 6 | kfr | 1,582 |
| 7 | q | 1,077 |
| 8 | roc-toolkit | 978 |
| 9 | dragonfly-reverb | 836 |
| 10 | DaisySP | 800 |
| 11 | audiogridder | 719 |
| 12 | r8brain-free-src | 522 |
| 13 | amsynth | 425 |
| 14 | RenderMan | 344 |
| 15 | MoogLadders | 309 |
| 16 | SPTK | 206 |
| 17 | snestracker | 195 |
| 18 | squares-and-circles | 153 |
| 19 | DtBlkFx | 140 |
| 20 | yummyDSP | 100 |
| 21 | cordic | 77 |
| 22 | cornrow | 69 |
| 23 | tinytricks | 26 |
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