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+# producer settings — CLI flags always override anything set here.
+
+# "audiobook" = close-narration voice chain, RMS -20 dB, true peak <= -3 dB, 44.1 kHz
+# "podcast"   = broadcast chain, -16 LUFS, true peak <= -1.5 dBTP, 48 kHz, brighter EQ
+# "radio"     = deep, warm broadcast voice: +3 dB low shelf @ 100 Hz, tighter mud cut,
+#               heavy compression, tape saturation; -16 LUFS, 48 kHz
+profile = "radio"
+
+# Output container/codec: wav | flac | mp3          (default: wav)
+# format = "wav"
+
+# Bit depth: 16 | 24 | 32                           (default: 16)
+# bit_depth = 16
+
+# Output sample rate in Hz                          (default: 44100 audiobook / 48000 podcast)
+# sample_rate = 44100
+
+# Compute device: auto (CUDA if present) | cuda | cpu
+# device = "auto"
+
+# Loudness target and true-peak ceiling in dB.
+# Without these, each profile uses RMS -20 / ceiling -3 (audiobook) or -16 LUFS / -1.5 (podcast).
+# target = -20.0
+# ceiling = -3.0
+
+# How much of the denoised/enhanced signal to blend in (0-1). 0 disables the stage.
+# denoise_strength = 1.0
+# enhance_strength = 1.0
+
+# Denoiser: "dfn3" (DeepFilterNet3, default, fast, 48 kHz full-band)
+#           "zipenhancer" (ICASSP 2025 SOTA, 16 kHz native, bandwidth restored)
+#           "off" (pure DSP, no heavy downloads)
+# Heavy deps + model weights are installed lazily on first use.
+[denoise]
+engine = "dfn3"
+strength = 1.0
+
+# Speech enhancement: "off" (default), "mossformer2" (studio restoration),
+#                     "resemble" (generative, opt-in isolated venv, may alter timbre)
+[enhance]
+engine = "off"
+
+# Per-profile voice DSP strengths, 0-1 each (CLI flags --hpf, --mud, ... always win).
+# 0 disables a stage entirely; every stage is optional.
+# hpf      = strength of the high-pass (0 turns it off; corner set via hpf_hz)
+# mud      = cut around 300 Hz (boxy mud)
+# warmth   = low-shelf lift (position set per profile: 150 Hz audiobook/podcast, 100 Hz radio)
+# soothe   = dynamic EQ that ducks boxy (200-450 Hz) and harsh (2.5-6 kHz) resonances
+#            only while they stick out — unlike static EQ, "off" when the voice is clean
+# compress = serial 2:1 + 3:1 compression
+# tape     = asymmetric soft-clip saturation — analog/even-harmonic radio warmth
+# deess    = de-esser active around 5.5-8 kHz
+# presence = boost around 3 kHz
+# air      = high shelf from 9-10 kHz
+# breath   = expander depth used to duck breaths
+
+[audiobook]
+mud = 0.8
+warmth = 0.8
+soothe = 0.3
+compress = 0.8
+tape = 0.0
+deess = 0.6
+presence = 0.8
+air = 0.6
+breath = 0.35
+# hpf_hz = 80.0     # high-pass corner frequency (audiobook default 80)
+
+[podcast]
+mud = 0.6
+warmth = 0.7
+soothe = 0.5
+compress = 0.9
+tape = 0.2
+deess = 0.7
+presence = 1.0
+air = 0.8
+breath = 0.2
+# hpf_hz = 80.0     # high-pass corner frequency (podcast default 80)
+
+[radio]
+mud = 0.9
+warmth = 1.0
+soothe = 0.7
+compress = 1.0
+tape = 0.55
+deess = 0.5
+presence = 0.7
+air = 0.5
+breath = 0.4
+# hpf_hz = 70.0     # high-pass corner frequency (radio default 70)