ComfyUI_DrumPad

ComfyUI DrumPad

A drum pad node for ComfyUI with configurable 16/64 pad layouts."

https://github.com/user-attachments/assets/faed8461-bc53-4ed5-9e48-7020ee22a002

Features

• Configurable Grid: Switch between 4x4 (16 pads) and 8x8 (64 pads) layouts.
• Sequencer: Built-in sequencer supporting up to 64 steps.
• Parametric Controls: Pitch, Swing, and individual/master Volume adjustments.
• Custom Sounds: Support for loading custom audio files (.wav, .mp3, .ogg, .flac).
• Persistence: Kit configurations and assignments are saved automatically.
• Audio Output: Outputs audio tensors compatible with standard ComfyUI audio nodes.

Sound Assets

Default sounds are sourced from the 90s MPC Sample Pack.

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Adding Custom Sounds

1. Via UI (Sound Picker)

1. Select a pad.
2. Click LOAD SOUND in the right panel.
3. Choose either:
   • UPLOAD FILE: Select a local audio file.
   • Sound Library: Browse available sounds in the sounds/ directory.

Uploaded files are stored in ComfyUI_DrumPad/user_sounds/.

2. Manual Installation

Place audio files directly into the library structure:

ComfyUI_DrumPad/
└── sounds/
    ├── Kick/
    ├── Snare/
    ├── Hats/
    ├── Perc/
    ├── Bass/
    └── Accents & FX/

Supported formats: .wav, .mp3, .ogg, .flac, .m4a, .aac

After adding files, restart ComfyUI or reload the kit to see new sounds.

Method 3: Add New Kit (Advanced)

1. Create a new folder under sounds/ with your kit name (e.g., sounds/My Kit/)
2. Add pad sound files named Kick 1.wav, Snare 1.wav, etc.
3. Add kit definition in config_manager.py → DEFAULT_KITS dictionary

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Controls

| Control | Function | |---------|----------| | Pads | Trigger sound / Select pad for editing | | PADS (4x4 / 8x8) | Toggle between 16-pad and 64-pad grid layouts | | Sequencer Steps | Toggle notes on/off | | BPM | Adjust playback tempo (drag to change) | | PITCH | Adjust playback speed/pitch | | SWING | Apply swing timing to the sequencer | | Volume Faders | Adjust selected pad and master volume | | PLAY / REC | Transport controls for the sequencer | | KIT | Cycle through available kits |

Keyboard Shortcuts

Note: Mouse must be over the node.

• Q W E R : Pads 1-4
• A S D F : Pads 5-8
• Z X C V : Pads 9-12
• 1 2 3 4 : Pads 13-16

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Outputs

• audio: Audio tensor output.
• file_path: Path to the primary sound file (if applicable).

Connect to Save Audio or Preview Audio nodes to listen to the result.

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https://github.com/user-attachments/assets/3d92a116-b8dd-41c8-8a99-50873fa7c1ec

Installation

1. Copy the ComfyUI_DrumPad folder to your ComfyUI custom_nodes directory.
2. Restart ComfyUI.
3. The node is available under the audio category.

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License

MIT License.