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Top 23 C++ audio-processing Projects
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Project mention: Building a Jedi-Style Hand Gesture Interface with TensorFlow.js: Control Your Browser Without Touching Anything | dev.to | 2026-02-09
In this tutorial, I'll show you how to build a production-ready hand gesture control system using TensorFlow.js and MediaPipe Hands that transforms any webcam into a precision input device.
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GitHub: https://github.com/spotify/pedalboard
Sadly, although it supports realtime processing, it doesn't say anything about latency, which is a make-or-break quality for most realtime audio processing. Definitely feels like a batch processing library which has had realtime support bolted on. The VST support is extremely cool though!
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DALI
A GPU-accelerated library containing highly optimized building blocks and an execution engine for data processing to accelerate deep learning training and inference applications.
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kfr
Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON, RISC-V RVV)
Project mention: Show HN: KFR 7 – major update for C++ DSP library | news.ycombinator.com | 2025-11-17 -
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DawDreamer
Digital Audio Workstation with Python; VST instruments/effects, parameter automation, FAUST, JAX, Warp Markers, and JUCE processors
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fast-music-remover
A C++ based, lightweight music and noise remover for YouTube and other internet media, using DeepFilterNet for audio enhancement.
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r8brain-free-src
High-quality pro audio resampler / sample rate conversion header-only C++ library. Very fast, for both audio resampling and time-series interpolation.
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bungee
A C++ library for time-stretching and pitch-shifting audio with high quality in realtime or offline. (by bungee-audio-stretch)
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MWEngine
Audio engine and DSP library for Android, written in C++ providing low latency performance within a musical context, while providing a Java/Kotlin API. Supports both OpenSL and AAudio.
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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++ audio-processing discussion
C++ audio-processing related posts
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Show HN: AudioNimbus – Steam Audio's immersive spatial audio, now in Rust
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I Implemented Shazam's Algorithm in Golang [video]
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How to remove repeating segments from an video file?
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Past To Future Reverbs "EQP-1A Tube EQ High Boost" non-linear impulse response making using AI machine learning plugin extension for Proteus - Intro Price ($15) for limited time
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Question about iLok
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MediaEditor: A non-linear editing software that helps you to make nice video.
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MediaEditor Community: A free lightweight non-linear editing software open-sourced
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A note from our sponsor - SaaSHub
www.saashub.com | 6 Jun 2026
Index
What are some of the best open-source audio-processing projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mediapipe | 35,461 |
| 2 | pedalboard | 6,149 |
| 3 | DALI | 5,707 |
| 4 | OTTO | 2,716 |
| 5 | giada | 2,021 |
| 6 | kfr | 1,879 |
| 7 | tracktion_engine | 1,399 |
| 8 | q | 1,389 |
| 9 | SmartGuitarAmp | 1,318 |
| 10 | chromaprint | 1,290 |
| 11 | DawDreamer | 1,239 |
| 12 | fast-music-remover | 713 |
| 13 | r8brain-free-src | 703 |
| 14 | MediaEditor | 499 |
| 15 | teensy-juno | 318 |
| 16 | bungee | 307 |
| 17 | MWEngine | 277 |
| 18 | SPTK | 245 |
| 19 | SELA | 215 |
| 20 | Proteus | 187 |
| 21 | DDCToolbox | 187 |
| 22 | NeuralSeed | 126 |
| 23 | FFaudioConverter | 125 |
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