MultiAudio

🎧Multithreaded Real-Time Audio Processor in C++

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Program Usage

This project provides a graphical user interface (GUI) for adjusting live audio effects in real time.

Once the program is running, you can:

• Enable/disable the Noise Gate, Limiter, 3-Band EQ, and De-Esser
• Adjust thresholds, gains, attack/release times, and de-essing parameters

Simply speak into your microphone to test the effects!

Note: The previous text-based controls are now defunct. Use the GUI exclusively.

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Clone Repository

git clone --recurse-submodules https://github.com/pedicino/multiaudio.git
cd multiaudio

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Prerequisites

Compiler Requirements

• A modern C++ compiler supporting C++11 or later:
  • Linux: GCC 7+ or Clang
  • macOS: Clang (Xcode Command Line Tools)
  • Windows: MSYS2 with MinGW-w64

Required Libraries

• RtAudio (Audio input/output)
• FFTW3 (Fast Fourier Transform)
• GLFW (Window and OpenGL context)
• OpenGL (Graphics rendering)
• Dear ImGui (GUI rendering)
• Platform-specific audio and graphics libraries:
  • Linux: libasound2, libjack
  • macOS: CoreAudio, CoreFoundation, Cocoa
  • Windows: winmm, ole32

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Dependency Installation

Linux (Ubuntu/Debian)

sudo apt-get update
sudo apt-get install -y \
    build-essential \
    libfftw3-dev \
    librtaudio-dev \
    libglfw3-dev \
    libgl1-mesa-dev \
    libasound2-dev \
    libjack-dev

macOS (using Homebrew)

# Install Homebrew (if not already installed)
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

# Install dependencies
brew install fftw rtaudio glfw

Windows (using MSYS2)

1. Install MSYS2 from https://www.msys2.org/
2. Open the MSYS2 MinGW 64-bit terminal

# Update package database
pacman -Syu

# Install dependencies
pacman -S mingw-w64-x86_64-toolchain \
          mingw-w64-x86_64-fftw \
          mingw-w64-x86_64-rtaudio \
          mingw-w64-x86_64-glfw \
          mingw-w64-x86_64-opengl \
          mingw-w64-x86_64-cmake \
          mingw-w64-x86_64-winmm \
          mingw-w64-x86_64-ole32

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Compilation

Linux

g++ -o multiaudio \
    main.cpp \
    audio/*.cpp \
    effects/*.cpp \
    gui/*.cpp \
    -lrtaudio -lfftw3 -lglfw -lGL -lpthread -lasound -ljack

macOS

g++ -std=c++11 -o multiaudio \
    main.cpp \
    audio/*.cpp \
    effects/*.cpp \
    gui/*.cpp \
    -lrtaudio -lfftw3 -lglfw \
    -framework OpenGL -framework Cocoa -framework CoreAudio -framework CoreFoundation

Windows (MSYS2 MinGW)

# Navigate to your project directory
cd /c/path/to/multiaudio

# Then build
bash build.bat

Note: build.bat uses g++ to compile all source files and link the required libraries.

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Run

Linux and macOS

./multiaudio

Windows

./multiaudio.exe

When you launch the program, the GUI will open, allowing you to control and monitor live audio effects in real time.

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Configuration

• Adjust SAMPLE_RATE, FRAMES_PER_BUFFER, and NUM_CHANNELS in common.h if necessary.
• Tweak default effect parameters by editing the constructors in main.cpp before building.