monoslicer/README.md

# MonoSlicer

A monophonic sample slicer and sampler instrument built with [JUCE](https://juce.com/) and CMake.

Load an audio file, slice it into regions (automatically via onset detection or manually), and trigger individual slices via MIDI.

## Screenshot

![MonoSlicer](monoslicershot.png)

## Features

- **Slice & trigger** - Load WAV, AIFF, FLAC, or OGG files and play slices chromatically via MIDI (starting at C4)
- **Auto-slice** - Onset-based detection with adjustable sensitivity
- **Manual slice control** - Click to add, right-click to remove, drag to reposition slice markers
- **Per-voice envelopes** - Amplitude and filter ADSR envelopes with configurable depth
- **Filter** - 5-mode biquad filter (LP12, LP24, HP, Bandpass, Notch) with cutoff, resonance, and envelope depth
- **Bass / Treble** -- Adjust low and high frequency emphasis for onset detection (affects how auto-slicing works)
- **Pitch shift** - Key transpose from -12 to +12 semitones
- **Time stretch** - Resample to a target beat count at a given BPM
- **Undo/redo** for slice operations
- **Zoomable waveform display** with piano key sidebar and time ruler
- **Full DAW state recall** - All parameters and slices are saved with your session
- **UI scaling** from 50% to 200%

## Building

Requires CMake 3.22+ and a C++17 compiler.

```sh
make        # Fetch JUCE, configure, build, and install (AU + VST3)
```

Running `make` with no arguments will fetch JUCE, build MonoSlicer in Release mode, copy the AU and VST3 plugins to your system directories, and trigger an Audio Unit rescan.

Individual targets are also available:

```sh
make fetch      # Clone JUCE 8.0.9
make configure  # CMake configure
make build      # Build (Release)
make install    # Install AU + VST3 to system directories
```

### Clean

```sh
make clean
```

## Plugin Formats

- Audio Unit (AU)
- VST3
- Standalone

## Usage

1. Load an audio file via the **Load** button, drag-and-drop, or the **<** / **>** buttons to browse the current folder
2. Click **Auto Slice** or manually click on the waveform to place slice markers
3. Play slices via MIDI - note C4 triggers slice 0, C#4 triggers slice 1, and so on
4. Shape the sound with the amp/filter envelopes, filter, and tone controls

### Waveform Interaction

| Action | Effect |
|--|--|
| Left-click on waveform | Add slice marker |
| Drag slice marker | Reposition |
| Right-click on waveform | Remove nearest slice |
| Click piano key | Trigger corresponding slice |
| Mouse wheel | Zoom / scroll |