shawn
42d0592856
3 banks per channel (9 total, 36 presets): - Keys: Piano & Electric (bank 21), Synth Pads & Leads (22), Organ & Vintage Keys (23) - Vocals: Lead Vocals (24), Harmony & Backing (25), Vocal FX (26) - Backing Tracks: Mix Ready (27), Click & Guide (28), Ambient Pads (29) Appropriate FX chains per channel — de-esser, HPF/LPF, shimmer_reverb, stereo_widener, rotary_speaker for vocals and keys; master bus chain for backing tracks. No IR cab blocks on vocal/backing presets. Generated by scripts/generate_channel_presets.py
716 lines
28 KiB
Python
716 lines
28 KiB
Python
#!/usr/bin/env python3
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"""Generate factory presets for Keys, Vocals, and Backing Tracks channels.
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Creates 3 banks × 4 presets per channel under presets/factory/<channel>/.
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Bank numbers start at 21 for Keys, 24 for Vocals, 27 for Backing Tracks
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to avoid collisions with the existing 0-20 factory bank range.
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"""
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import json
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import os
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import sys
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FACTORY_DIR = os.path.join(
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os.path.dirname(os.path.dirname(__file__)), "presets", "factory"
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)
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# ── IR path shortcuts ───────────────────────────────────────────────────
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IR = {
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"vintage": "~/.pedal/irs/vintage-1x12.wav",
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"british": "~/.pedal/irs/british-4x12.wav",
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"american": "~/.pedal/irs/american-2x12.wav",
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"modern": "~/.pedal/irs/modern-4x12.wav",
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"jazz": "~/.pedal/irs/jazz-1x15.wav",
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"boutique": "~/.pedal/irs/boutique-1x12.wav",
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"mini": "~/.pedal/irs/mini-1x8.wav",
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"bass_thick": "~/.pedal/irs/bass-thick_classic.wav",
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}
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# ── Helper builders ────────────────────────────────────────────────────
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def noise_gate(threshold=0.01):
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return {"fx_type": "noise_gate", "enabled": True, "bypass": False,
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"params": {"threshold": threshold}, "nam_model_path": "", "ir_file_path": ""}
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def compressor(threshold=0.3, ratio=4.0, gain=0.8):
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return {"fx_type": "compressor", "enabled": True, "bypass": False,
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"params": {"threshold": threshold, "ratio": ratio, "gain": gain},
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"nam_model_path": "", "ir_file_path": ""}
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def boost(gain_db=6.0):
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return {"fx_type": "boost", "enabled": True, "bypass": False,
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"params": {"gain_db": gain_db}, "nam_model_path": "", "ir_file_path": ""}
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def overdrive(drive=0.5, gain=0.7, tone=0.5):
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return {"fx_type": "overdrive", "enabled": True, "bypass": False,
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"params": {"drive": drive, "tone": tone, "gain": gain},
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"nam_model_path": "", "ir_file_path": ""}
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def eq(bass=0.5, mid=0.5, treble=0.5):
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return {"fx_type": "eq", "enabled": True, "bypass": False,
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"params": {"bass": bass, "mid": mid, "treble": treble},
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"nam_model_path": "", "ir_file_path": ""}
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def ir_cab(ir_path):
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return {"fx_type": "ir_cab", "enabled": True, "bypass": False,
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"params": {"wet": 1.0, "dry": 0.0},
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"nam_model_path": "", "ir_file_path": ir_path}
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def delay(time=400.0, feedback=0.3, mix=0.25):
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return {"fx_type": "delay", "enabled": True, "bypass": False,
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"params": {"time": time, "feedback": feedback, "mix": mix},
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"nam_model_path": "", "ir_file_path": ""}
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def reverb(decay=0.4, mix=0.25, subtype=""):
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fx = {"fx_type": "reverb", "enabled": True, "bypass": False,
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"nam_model_path": "", "ir_file_path": ""}
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params = {"decay": decay, "mix": mix}
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if subtype:
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params["subtype"] = subtype
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fx["params"] = params
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return fx
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def chorus(rate=0.35, depth=0.5, mix=0.3):
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return {"fx_type": "chorus", "enabled": True, "bypass": False,
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"params": {"rate": rate, "depth": depth, "mix": mix},
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"nam_model_path": "", "ir_file_path": ""}
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def phaser(rate=0.3, depth=0.5, feedback=0.3):
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return {"fx_type": "phaser", "enabled": True, "bypass": False,
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"params": {"rate": rate, "depth": depth, "feedback": feedback},
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"nam_model_path": "", "ir_file_path": ""}
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def tremolo(rate=3.0, depth=0.4):
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return {"fx_type": "tremolo", "enabled": True, "bypass": False,
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"params": {"rate": rate, "depth": depth},
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"nam_model_path": "", "ir_file_path": ""}
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def volume(level=0.85):
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return {"fx_type": "volume", "enabled": True, "bypass": False,
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"params": {"level": level}, "nam_model_path": "", "ir_file_path": ""}
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def pitch_shifter(semitones=0, mix=0.5):
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return {"fx_type": "pitch_shifter", "enabled": True, "bypass": False,
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"params": {"semitones": semitones, "mix": mix},
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"nam_model_path": "", "ir_file_path": ""}
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def stereo_widener(width=0.5, mix=0.5):
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return {"fx_type": "stereo_widener", "enabled": True, "bypass": False,
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"params": {"width": width, "mix": mix},
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"nam_model_path": "", "ir_file_path": ""}
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def auto_pan(rate=0.3, depth=0.5):
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return {"fx_type": "auto_pan", "enabled": True, "bypass": False,
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"params": {"rate": rate, "depth": depth},
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"nam_model_path": "", "ir_file_path": ""}
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def high_pass_filter(cutoff=80.0):
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return {"fx_type": "high_pass_filter", "enabled": True, "bypass": False,
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"params": {"cutoff": cutoff},
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"nam_model_path": "", "ir_file_path": ""}
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def low_pass_filter(cutoff=8000.0):
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return {"fx_type": "low_pass_filter", "enabled": True, "bypass": False,
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"params": {"cutoff": cutoff},
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"nam_model_path": "", "ir_file_path": ""}
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def de_esser(threshold=0.5, reduction=0.4):
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return {"fx_type": "de_esser", "enabled": True, "bypass": False,
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"params": {"threshold": threshold, "reduction": reduction},
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"nam_model_path": "", "ir_file_path": ""}
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def shimmer_reverb(decay=0.6, mix=0.3):
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return {"fx_type": "shimmer_reverb", "enabled": True, "bypass": False,
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"params": {"decay": decay, "mix": mix},
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"nam_model_path": "", "ir_file_path": ""}
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def multi_tap_delay(time=400.0, feedback=0.3, mix=0.25, taps=3):
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return {"fx_type": "multi_tap_delay", "enabled": True, "bypass": False,
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"params": {"time": time, "feedback": feedback, "mix": mix, "taps": taps},
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"nam_model_path": "", "ir_file_path": ""}
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def rotary_speaker(rate=1.5, mix=0.4):
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return {"fx_type": "rotary_speaker", "enabled": True, "bypass": False,
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"params": {"rate": rate, "mix": mix},
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"nam_model_path": "", "ir_file_path": ""}
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def expander(threshold=0.2, ratio=2.0):
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return {"fx_type": "expander", "enabled": True, "bypass": False,
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"params": {"threshold": threshold, "ratio": ratio},
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"nam_model_path": "", "ir_file_path": ""}
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# ── Channel definitions ─────────────────────────────────────────────────
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CHANNELS = [
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{
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"slug": "keys",
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"label": "Keys",
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"bank_start": 21,
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"banks": [
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{
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"name": "Piano & Electric",
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"presets": [
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{
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"name": "Grand Piano Clean",
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"master_volume": 0.82,
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"chain": [
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noise_gate(0.005),
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compressor(0.2, 5.0, 0.6),
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eq(0.5, 0.5, 0.55),
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reverb(0.35, 0.2, "hall"),
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volume(0.85),
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],
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},
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{
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"name": "Warm Rhodes",
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"master_volume": 0.8,
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"chain": [
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noise_gate(0.005),
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compressor(0.25, 4.0, 0.65),
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chorus(0.3, 0.4, 0.25),
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eq(0.45, 0.55, 0.5),
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reverb(0.4, 0.22, "hall"),
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volume(0.82),
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],
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},
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{
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"name": "Wurli Punch",
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"master_volume": 0.78,
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"chain": [
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noise_gate(0.008),
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compressor(0.3, 4.5, 0.7),
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tremolo(4.0, 0.3),
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eq(0.55, 0.4, 0.6),
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reverb(0.3, 0.18, "room"),
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volume(0.8),
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],
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},
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{
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"name": "Stage EP Layer",
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"master_volume": 0.82,
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"chain": [
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noise_gate(0.005),
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compressor(0.2, 5.0, 0.55),
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stereo_widener(0.4, 0.3),
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eq(0.4, 0.5, 0.6),
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chorus(0.25, 0.35, 0.2),
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reverb(0.45, 0.28, "hall"),
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volume(0.84),
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],
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},
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],
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},
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{
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"name": "Synth Pads & Leads",
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"presets": [
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{
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"name": "Analog Pad",
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"master_volume": 0.78,
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"chain": [
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noise_gate(0.005),
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compressor(0.25, 4.5, 0.65),
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stereo_widener(0.6, 0.4),
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chorus(0.2, 0.45, 0.35),
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auto_pan(0.15, 0.3),
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reverb(0.55, 0.35, "hall"),
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volume(0.8),
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],
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},
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{
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"name": "Brass Synth Lead",
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"master_volume": 0.85,
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"chain": [
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noise_gate(0.01),
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compressor(0.3, 3.5, 0.85),
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boost(3.0),
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eq(0.45, 0.35, 0.7),
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delay(420, 0.25, 0.2),
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reverb(0.4, 0.22, "hall"),
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volume(0.88),
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],
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},
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{
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"name": "Arp Texture",
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"master_volume": 0.76,
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"chain": [
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noise_gate(0.005),
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compressor(0.2, 5.0, 0.55),
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eq(0.4, 0.55, 0.65),
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multi_tap_delay(300, 0.2, 0.3, 3),
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reverb(0.5, 0.3, "hall"),
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volume(0.78),
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],
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},
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{
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"name": "Wobble Bass Synth",
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"master_volume": 0.72,
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"chain": [
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noise_gate(0.012),
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compressor(0.35, 6.0, 0.6),
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low_pass_filter(2000.0),
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eq(0.65, 0.25, 0.4),
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reverb(0.2, 0.1, "room"),
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volume(0.74),
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],
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},
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],
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},
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{
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"name": "Organ & Vintage Keys",
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"presets": [
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{
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"name": "B3 Rotary Slow",
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"master_volume": 0.8,
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"chain": [
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noise_gate(0.005),
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compressor(0.2, 4.5, 0.65),
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rotary_speaker(0.8, 0.4),
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eq(0.5, 0.5, 0.55),
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reverb(0.3, 0.15, "room"),
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volume(0.82),
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],
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},
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{
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"name": "B3 Rotary Fast",
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"master_volume": 0.82,
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"chain": [
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noise_gate(0.005),
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compressor(0.2, 4.5, 0.7),
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rotary_speaker(5.0, 0.5),
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eq(0.45, 0.55, 0.5),
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reverb(0.25, 0.12, "room"),
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volume(0.84),
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],
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},
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{
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"name": "Clavinet Funk",
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"master_volume": 0.76,
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"chain": [
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noise_gate(0.008),
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compressor(0.35, 5.0, 0.6),
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eq(0.6, 0.3, 0.7),
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phaser(0.2, 0.35, 0.2),
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reverb(0.2, 0.1, "room"),
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volume(0.78),
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],
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},
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{
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"name": "Vox Continental",
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"master_volume": 0.82,
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"chain": [
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noise_gate(0.005),
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compressor(0.25, 4.0, 0.65),
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eq(0.5, 0.45, 0.6),
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tremolo(3.5, 0.3),
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reverb(0.35, 0.18, "hall"),
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volume(0.84),
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],
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},
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],
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},
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],
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},
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{
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"slug": "vocals",
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"label": "Vocals",
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"bank_start": 24,
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"banks": [
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{
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"name": "Lead Vocals",
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"presets": [
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{
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"name": "Vocal Standard",
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"master_volume": 0.82,
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"chain": [
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high_pass_filter(80.0),
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de_esser(0.5, 0.35),
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compressor(0.25, 4.0, 0.7),
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eq(0.45, 0.55, 0.55),
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reverb(0.35, 0.22, "hall"),
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volume(0.85),
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],
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},
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{
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"name": "Warm Lead",
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"master_volume": 0.85,
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"chain": [
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high_pass_filter(75.0),
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de_esser(0.45, 0.4),
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compressor(0.2, 4.5, 0.75),
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eq(0.5, 0.5, 0.45),
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reverb(0.4, 0.25, "hall"),
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delay(380, 0.2, 0.15),
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volume(0.88),
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],
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},
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{
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"name": "Big Ballad",
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"master_volume": 0.84,
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"chain": [
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high_pass_filter(70.0),
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de_esser(0.5, 0.3),
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compressor(0.22, 5.0, 0.8),
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eq(0.45, 0.5, 0.5),
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shimmer_reverb(0.55, 0.3),
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delay(450, 0.3, 0.2),
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volume(0.86),
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],
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},
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{
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"name": "Dry & Present",
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"master_volume": 0.82,
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"chain": [
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high_pass_filter(90.0),
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de_esser(0.55, 0.35),
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compressor(0.28, 3.5, 0.85),
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eq(0.4, 0.6, 0.55),
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expander(0.15, 1.5),
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volume(0.84),
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],
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},
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],
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},
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{
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"name": "Harmony & Backing",
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"presets": [
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{
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"name": "Airy Harmonies",
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"master_volume": 0.78,
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"chain": [
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high_pass_filter(100.0),
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de_esser(0.5, 0.3),
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compressor(0.2, 4.0, 0.6),
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eq(0.4, 0.5, 0.65),
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stereo_widener(0.5, 0.35),
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reverb(0.45, 0.25, "hall"),
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volume(0.8),
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],
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},
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{
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"name": "Doubler Effect",
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"master_volume": 0.8,
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"chain": [
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high_pass_filter(90.0),
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compressor(0.25, 4.0, 0.65),
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eq(0.45, 0.5, 0.55),
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chorus(0.2, 0.3, 0.35),
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delay(220, 0.05, 0.25),
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reverb(0.3, 0.18, "room"),
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volume(0.82),
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],
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},
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{
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"name": "Wide Backing Stack",
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"master_volume": 0.76,
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"chain": [
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high_pass_filter(80.0),
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de_esser(0.45, 0.35),
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compressor(0.2, 4.5, 0.55),
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eq(0.4, 0.55, 0.6),
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stereo_widener(0.7, 0.4),
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reverb(0.5, 0.28, "hall"),
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volume(0.78),
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],
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},
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{
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"name": "Soft Pad Vox",
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"master_volume": 0.74,
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"chain": [
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high_pass_filter(120.0),
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compressor(0.2, 5.0, 0.5),
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eq(0.4, 0.5, 0.6),
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chorus(0.18, 0.25, 0.4),
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shimmer_reverb(0.5, 0.35),
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volume(0.76),
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],
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},
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],
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},
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{
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"name": "Vocal FX",
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"presets": [
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{
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"name": "Slap Delay",
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"master_volume": 0.82,
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"chain": [
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high_pass_filter(80.0),
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de_esser(0.5, 0.3),
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compressor(0.25, 4.0, 0.7),
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eq(0.45, 0.5, 0.55),
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delay(120, 0.15, 0.35),
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reverb(0.25, 0.12, "room"),
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volume(0.84),
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],
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},
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{
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"name": "Ping Pong Echo",
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"master_volume": 0.8,
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"chain": [
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high_pass_filter(80.0),
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de_esser(0.5, 0.3),
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compressor(0.25, 4.0, 0.65),
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eq(0.45, 0.5, 0.55),
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delay(380, 0.35, 0.3),
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reverb(0.3, 0.15, "hall"),
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volume(0.82),
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],
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},
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{
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"name": "Shimmer Wash",
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"master_volume": 0.78,
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"chain": [
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high_pass_filter(100.0),
|
||
de_esser(0.55, 0.25),
|
||
compressor(0.2, 4.0, 0.6),
|
||
eq(0.4, 0.5, 0.6),
|
||
shimmer_reverb(0.65, 0.35),
|
||
delay(500, 0.25, 0.2),
|
||
volume(0.8),
|
||
],
|
||
},
|
||
{
|
||
"name": "Radio Filter",
|
||
"master_volume": 0.76,
|
||
"chain": [
|
||
high_pass_filter(300.0),
|
||
low_pass_filter(3500.0),
|
||
compressor(0.3, 6.0, 0.65),
|
||
eq(0.3, 0.1, 0.2),
|
||
reverb(0.2, 0.08, "room"),
|
||
volume(0.78),
|
||
],
|
||
},
|
||
],
|
||
},
|
||
],
|
||
},
|
||
{
|
||
"slug": "backing_tracks",
|
||
"label": "Backing Tracks",
|
||
"bank_start": 27,
|
||
"banks": [
|
||
{
|
||
"name": "Mix Ready",
|
||
"presets": [
|
||
{
|
||
"name": "Stereo Master Bus",
|
||
"master_volume": 0.82,
|
||
"chain": [
|
||
high_pass_filter(30.0),
|
||
low_pass_filter(18000.0),
|
||
compressor(0.2, 4.0, 0.6),
|
||
eq(0.5, 0.5, 0.5),
|
||
stereo_widener(0.3, 0.25),
|
||
volume(0.85),
|
||
],
|
||
},
|
||
{
|
||
"name": "Kick & Bass Focus",
|
||
"master_volume": 0.8,
|
||
"chain": [
|
||
high_pass_filter(25.0),
|
||
compressor(0.25, 5.0, 0.55),
|
||
eq(0.65, 0.35, 0.45),
|
||
volume(0.82),
|
||
],
|
||
},
|
||
{
|
||
"name": "Full Mix Compressed",
|
||
"master_volume": 0.78,
|
||
"chain": [
|
||
high_pass_filter(30.0),
|
||
compressor(0.15, 6.0, 0.5),
|
||
eq(0.5, 0.5, 0.55),
|
||
multi_tap_delay(200, 0.08, 0.1, 2),
|
||
reverb(0.15, 0.08, "room"),
|
||
volume(0.8),
|
||
],
|
||
},
|
||
{
|
||
"name": "Transparent Mix",
|
||
"master_volume": 0.85,
|
||
"chain": [
|
||
high_pass_filter(25.0),
|
||
compressor(0.2, 3.5, 0.65),
|
||
eq(0.5, 0.5, 0.5),
|
||
stereo_widener(0.2, 0.15),
|
||
volume(0.88),
|
||
],
|
||
},
|
||
],
|
||
},
|
||
{
|
||
"name": "Click & Guide",
|
||
"presets": [
|
||
{
|
||
"name": "Click Track + Backing",
|
||
"master_volume": 0.78,
|
||
"chain": [
|
||
high_pass_filter(40.0),
|
||
compressor(0.3, 4.0, 0.55),
|
||
eq(0.5, 0.4, 0.6),
|
||
reverb(0.2, 0.08, "room"),
|
||
volume(0.8),
|
||
],
|
||
},
|
||
{
|
||
"name": "Guide Vox Monitor",
|
||
"master_volume": 0.8,
|
||
"chain": [
|
||
high_pass_filter(80.0),
|
||
de_esser(0.5, 0.3),
|
||
compressor(0.25, 4.0, 0.65),
|
||
eq(0.45, 0.5, 0.5),
|
||
reverb(0.3, 0.15, "room"),
|
||
volume(0.82),
|
||
],
|
||
},
|
||
{
|
||
"name": "Scratch Guitar Mix",
|
||
"master_volume": 0.76,
|
||
"chain": [
|
||
noise_gate(0.008),
|
||
compressor(0.3, 4.0, 0.6),
|
||
eq(0.5, 0.45, 0.55),
|
||
reverb(0.2, 0.1, "room"),
|
||
volume(0.78),
|
||
],
|
||
},
|
||
{
|
||
"name": "Stereo Reference",
|
||
"master_volume": 0.82,
|
||
"chain": [
|
||
high_pass_filter(25.0),
|
||
low_pass_filter(20000.0),
|
||
compressor(0.18, 4.5, 0.55),
|
||
eq(0.5, 0.5, 0.55),
|
||
stereo_widener(0.4, 0.25),
|
||
volume(0.84),
|
||
],
|
||
},
|
||
],
|
||
},
|
||
{
|
||
"name": "Ambient Pads",
|
||
"presets": [
|
||
{
|
||
"name": "Wash Pad",
|
||
"master_volume": 0.74,
|
||
"chain": [
|
||
noise_gate(0.005),
|
||
compressor(0.2, 5.0, 0.5),
|
||
eq(0.4, 0.55, 0.5),
|
||
chorus(0.15, 0.5, 0.4),
|
||
stereo_widener(0.6, 0.4),
|
||
shimmer_reverb(0.6, 0.35),
|
||
volume(0.76),
|
||
],
|
||
},
|
||
{
|
||
"name": "Texture Swell",
|
||
"master_volume": 0.72,
|
||
"chain": [
|
||
noise_gate(0.005),
|
||
expander(0.1, 3.0),
|
||
eq(0.4, 0.55, 0.55),
|
||
auto_pan(0.12, 0.35),
|
||
reverb(0.65, 0.4, "hall"),
|
||
volume(0.74),
|
||
],
|
||
},
|
||
{
|
||
"name": "Drone Bed",
|
||
"master_volume": 0.7,
|
||
"chain": [
|
||
noise_gate(0.005),
|
||
low_pass_filter(1000.0),
|
||
eq(0.55, 0.4, 0.35),
|
||
chorus(0.12, 0.4, 0.45),
|
||
reverb(0.7, 0.45, "hall"),
|
||
volume(0.72),
|
||
],
|
||
},
|
||
{
|
||
"name": "Cinematic Swell",
|
||
"master_volume": 0.76,
|
||
"chain": [
|
||
noise_gate(0.005),
|
||
compressor(0.15, 5.0, 0.5),
|
||
eq(0.4, 0.5, 0.6),
|
||
stereo_widener(0.7, 0.35),
|
||
shimmer_reverb(0.55, 0.4),
|
||
delay(600, 0.2, 0.15),
|
||
volume(0.78),
|
||
],
|
||
},
|
||
],
|
||
},
|
||
],
|
||
},
|
||
]
|
||
|
||
|
||
def generate():
|
||
"""Write all factory preset JSON files to presets/factory/<channel>/bank_N/."""
|
||
total_presets = 0
|
||
total_banks = 0
|
||
|
||
for channel in CHANNELS:
|
||
ch_dir = os.path.join(FACTORY_DIR, channel["slug"])
|
||
bn = channel["bank_start"]
|
||
|
||
for bank_idx, bank_def in enumerate(channel["banks"]):
|
||
bank_num = bn + bank_idx
|
||
bank_dir = os.path.join(ch_dir, f"bank_{bank_num}")
|
||
os.makedirs(bank_dir, exist_ok=True)
|
||
|
||
# bank.json
|
||
bank_meta = {
|
||
"number": bank_num,
|
||
"name": bank_def["name"],
|
||
"preset_count": len(bank_def["presets"]),
|
||
}
|
||
with open(os.path.join(bank_dir, "bank.json"), "w") as f:
|
||
json.dump(bank_meta, f, indent=2)
|
||
f.write("\n")
|
||
|
||
# presets
|
||
for prog, preset_data in enumerate(bank_def["presets"]):
|
||
preset_json = {
|
||
"name": preset_data["name"],
|
||
"bank": bank_num,
|
||
"program": prog,
|
||
"master_volume": preset_data["master_volume"],
|
||
"chain": preset_data["chain"],
|
||
"midi_mappings": {},
|
||
}
|
||
path = os.path.join(bank_dir, f"preset_{prog}.json")
|
||
with open(path, "w") as f:
|
||
json.dump(preset_json, f, indent=2)
|
||
f.write("\n")
|
||
total_presets += 1
|
||
|
||
total_banks += 1
|
||
|
||
print(f"✅ {channel['label']}: {total_banks} banks so far, {total_presets} presets")
|
||
|
||
print(f"\n✅ Generated {total_presets} presets across {total_banks} banks in 3 channels:")
|
||
for channel in CHANNELS:
|
||
print(f" {channel['label']}: {len(channel['banks'])} banks × {len(channel['banks'][0]['presets'])} presets = {len(channel['banks']) * len(channel['banks'][0]['presets'])} presets")
|
||
|
||
|
||
if __name__ == "__main__":
|
||
# Guard against running from wrong cwd
|
||
if not os.path.isdir(FACTORY_DIR):
|
||
# Try resolving relative to the script location
|
||
script_dir = os.path.dirname(os.path.abspath(__file__))
|
||
FACTORY_DIR_ALT = os.path.join(
|
||
os.path.dirname(os.path.dirname(script_dir)), "presets", "factory"
|
||
)
|
||
if os.path.isdir(FACTORY_DIR_ALT):
|
||
FACTORY_DIR = FACTORY_DIR_ALT
|
||
else:
|
||
print(f"Error: factory directory not found at {FACTORY_DIR} or {FACTORY_DIR_ALT}")
|
||
sys.exit(1)
|
||
generate()
|