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# Default output options
AUDIO_FORMAT = "m4b"
AUDIO_BITRATE = "128k"
LANGUAGE = "English"
API_TIMEOUT = 600 # Timeout per chunk request in seconds
MAX_RETRIES = 3 # Attempts per chunk request
HEARTBEAT_INTERVAL_SECONDS = 30 # Print "still working" in console logs every N seconds
# Words per TTS generation request (client-side chunking).
CHUNK_SIZE = 250
# Default for "Stop server and exit" on the Generate Audiobooks form
# (TUI Settings menu: "Default stop server and exit").
STOP_SERVER_AND_EXIT = True
# Default TTS backend.
# audiocpp: audiocpp_server
# qwen: qwen-tts-demo
# faster: faster-qwen-tts
# The --backend CLI flag overrides this
BACKEND = "audiocpp"
###############################################################################
# BACKEND 1: qwen-tts-demo (qwen) options #
###############################################################################
# The qwen backend runs ONE demo server at a time, on this port. Which model
# the server hosts is chosen per run on the Generate Audiobooks screen and
# persisted below (see QWEN_MODEL); switching models restarts the server.
QWEN_API_URL = "http://127.0.0.1:7860" # single qwen-tts-demo server
# Remote (externally-run) server URL. The hub probes it and offers a
# "[remote]" backend entry when it answers with a known qwen-tts demo (any
# of the three models), so an externally-started server can be used alongside
# a locally-managed one. Leave empty to disable remote probing. The default
# matches the local port so an external server squatting the local port is
# found without any configuration.
QWEN_REMOTE_URL = "http://127.0.0.1:7860"
# Which model the managed demo server runs (one server hosts one model):
# CustomVoice - built-in speakers (see SPEAKER)
# Base - voice cloning from a reference .wav
# VoiceDesign - voice described by an instruction
# Chosen per run in the Generate-audiobooks form; edited here only as the
# default for the next run.
QWEN_MODEL = "CustomVoice"
# Custom voice options
SPEAKER = "Vivian" #Vivian, Serena, Uncle_Fu, Dylan, Eric, Ryan, Aiden, Ono_Anna, Sohee
# Style/delivery instruction for CustomVoice runs; also the default design
# instruction when a VoiceDesign run does not override it.
INSTRUCT = "Speak naturally and clearly, as if reading a dramatic book to an adult audience."
# Don't clone with transcription, only use x-vector-only cloning. Generally "worse"
XVECTOR_ONLY = False
# Randomization seed. -1 means randomize with every generation
# With SEED = -1 and CONSTANT_SEED = True, one random seed will be used for the entire audiobook.
# This may keep the voice slightly more consistent across chunk boundaries
SEED = -1
CONSTANT_SEED = False
###############################################################################
# BACKEND 2: faster-qwen-tts options #
###############################################################################
FASTER_API_URL = "http://127.0.0.1:8000" # faster-qwen3-tts server (Base model only)
FASTER_REMOTE_URL = "http://127.0.0.1:8000" # externally-run faster-qwen3-tts server ("" disables probing)
# Default voice if no --voice is passed
FASTER_VOICE = "narrator"
###############################################################################
# BACKEND 3: audio.cpp options #
###############################################################################
AUDIOCPP_API_URL = "http://127.0.0.1:8080" # audio.cpp audiocpp_server
AUDIOCPP_REMOTE_URL = "http://127.0.0.1:8080" # externally-run audiocpp_server ("" disables probing)
# Model ids in the audio.cpp server.json config. AUDIOCPP_MODEL_ID may point
# at any TTS model entry the server hosts; the family is detected from the
# server at startup and adapts the request automatically. Only qwen3_tts has
# built-in speakers (speaker mode); every other family needs --voice with a
# server-side voice preset. The server entry id is the model package's
# target_directory name (e.g. "Qwen3-TTS-12Hz-1.7B-Base-GGUF"). For
# single-model servers, set AUDIOCPP_CLONE_MODEL_ID to the same id as
# AUDIOCPP_MODEL_ID (or leave it empty); for Qwen3-TTS it typically names a
# second entry with the Base (cloning) model. Both default to empty so a
# single-entry server is auto-selected; a multi-model server (one server.json
# hosting several lazily-loaded entries) needs no editing here either: leave
# AUDIOCPP_MODEL_ID unset to auto-select when only one entry is hosted, or
# pick the entry per run with the --model CLI flag.
AUDIOCPP_MODEL_ID = ""
AUDIOCPP_CLONE_MODEL_ID = ""
# Voice design / style instruction sent with every audio.cpp request when
# the --instructions CLI flag is not given. Required for server entries
# hosted with task "vdes" (voice design models such as Qwen3-TTS
# VoiceDesign); on other families it acts as a style/delivery instruction
# when the model supports one and is ignored otherwise. Empty by default.
AUDIOCPP_INSTRUCTIONS = ""
# Ask the audio.cpp server to unload all currently loaded models before
# converting, so models left resident by earlier runs free their memory
# (e.g. VRAM on GPU backends) and only the selected entry loads. Set to
# False to keep other models resident across runs (the TUI Settings menu
# exposes this as "Unload models", default Yes).
AUDIOCPP_UNLOAD_MODELS = True
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