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Top 23 C++ audio-processing Projects
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Project mention: On-Device Computer Vision in React Native: Auto-Aligning Progress Photos with MediaPipe and Expo | dev.to | 2026-10-06
MediaPipe legacy Face Mesh and iris refinement
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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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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Project mention: Guitar amp and effects pedal built on the Waveshare ESP32-S3-Touch-AMOLED-2.06 | news.ycombinator.com | 2026-09-25
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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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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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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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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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Project mention: Show HN: Audionaut – an open-source cross-platform multitrack audio editor | news.ycombinator.com | 2026-10-02
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PicoADK-Firmware-Template
🎵 🎹 Firmware boilerplate for the RP2040 / RP2350 powered PicoADK Audio Development Boards. Build your own stand alone synthesizers! Includes all nuts and bolts (FreeRTOS, USB MIDI, Vult DSP, Hardware Plumbing, DMA, ..). https://github.com/DatanoiseTV/PicoADK-Hardware
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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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Guitar amp and effects pedal built on the Waveshare ESP32-S3-Touch-AMOLED-2.06
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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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A note from our sponsor - SaaSHub
www.saashub.com | 14 Oct 2026
Index
What are some of the best open-source audio-processing projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mediapipe | 37,187 |
| 2 | pedalboard | 6,346 |
| 3 | DALI | 5,773 |
| 4 | OTTO | 2,733 |
| 5 | giada | 2,101 |
| 6 | kfr | 1,929 |
| 7 | tracktion_engine | 1,454 |
| 8 | q | 1,435 |
| 9 | chromaprint | 1,394 |
| 10 | SmartGuitarAmp | 1,335 |
| 11 | DawDreamer | 1,321 |
| 12 | r8brain-free-src | 746 |
| 13 | fast-music-remover | 719 |
| 14 | MediaEditor | 502 |
| 15 | bungee | 352 |
| 16 | teensy-juno | 328 |
| 17 | MWEngine | 282 |
| 18 | SPTK | 250 |
| 19 | Audionaut | 243 |
| 20 | SELA | 217 |
| 21 | Proteus | 203 |
| 22 | DDCToolbox | 192 |
| 23 | PicoADK-Firmware-Template | 181 |
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