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feat: add --language flag for non-English TTS voices (Dutch support)

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- Add LANGUAGE default (en) to shell.functions
- setup_python_venv downloads Dutch ONNX voices (pim, ronnie, nathalie)
- wake_word_sample_generator uses multiple --model flags for single-speaker
  voices, cycling between them for variety
- train_wake_word accepts and passes --language through the pipeline
- recorder_server.py accepts language in session API
- Web UI adds language dropdown (English/Dutch)
This commit is contained in:
joopd
2026-02-25 09:57:46 +01:00
parent 747822e856
commit d5dcfbf5f1
6 changed files with 113 additions and 18 deletions
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28
cli/setup_python_venv
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@@ -157,6 +157,10 @@ pip_install -e "${PSG}"
git -C tools/piper-sample-generator clean -fd &>/dev/null
MODELS_DIR="${PSG}/models"
VOICES_DIR="${PSG}/voices"
mkdir -p "${VOICES_DIR}"
# --- English generator model (multi-speaker, used with --language=en) ---
MODEL_NAME="en_US-libritts_r-medium.pt"
MODEL_FILE="${MODELS_DIR}/${MODEL_NAME}"
MODEL_URL="https://github.com/rhasspy/piper-sample-generator/releases/download/v2.0.0/${MODEL_NAME}"
@@ -170,6 +174,30 @@ if [ ! -f "${MODEL_FILE}.json" ] ; then
curl -sfL "${MODEL_URL}.json" -o "${MODEL_FILE}.json"
fi
# --- Dutch ONNX voices (single-speaker, used with --language=nl) ---
# Working Dutch voices: pim, ronnie (nl_NL) and nathalie (nl_BE).
# nl_NL-mls-medium is intentionally excluded (known Piper issue: outputs gibberish).
HF_VOICES="https://huggingface.co/rhasspy/piper-voices/resolve/main"
declare -a NL_VOICES=(
"nl/nl_NL/pim/medium/nl_NL-pim-medium"
"nl/nl_NL/ronnie/medium/nl_NL-ronnie-medium"
"nl/nl_BE/nathalie/medium/nl_BE-nathalie-medium"
)
echo " ===== Checking Dutch Piper voices ====="
for voice_path in "${NL_VOICES[@]}" ; do
voice_name="$(basename "${voice_path}")"
onnx_file="${VOICES_DIR}/${voice_name}.onnx"
json_file="${VOICES_DIR}/${voice_name}.onnx.json"
if [ ! -f "${onnx_file}" ] ; then
echo " Downloading ${voice_name}.onnx"
curl -sfL "${HF_VOICES}/${voice_path}.onnx?download=true" -o "${onnx_file}"
fi
if [ ! -f "${json_file}" ] ; then
echo " Downloading ${voice_name}.onnx.json"
curl -sfL "${HF_VOICES}/${voice_path}.onnx.json?download=true" -o "${json_file}"
fi
done
${GPU} && onnxgpu='-gpu[cuda]' || onnxgpu=""
echo " ===== Installing onnxruntime${onnxgpu} ====="
pip_install "onnxruntime${onnxgpu}>=1.16.0"