Export MatchaTTS fa-en model to sherpa-onnx (#1832)

scripts/matcha-tts/fa-en/add_meta_data.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+from typing import Any, Dict
+
+import onnx
+
+
+def add_meta_data(filename: str, meta_data: Dict[str, Any]):
+    """Add meta data to an ONNX model. It is changed in-place.
+
+    Args:
+      filename:
+        Filename of the ONNX model to be changed.
+      meta_data:
+        Key-value pairs.
+    """
+    model = onnx.load(filename)
+
+    while len(model.metadata_props):
+        model.metadata_props.pop()
+
+    for key, value in meta_data.items():
+        meta = model.metadata_props.add()
+        meta.key = key
+        meta.value = str(value)
+
+    onnx.save(model, filename)
+
+
+def main():
+    meta_data = {
+        "model_type": "matcha-tts",
+        "language": "Persian+English",
+        "voice": "fa",
+        "has_espeak": 1,
+        "jieba": 0,
+        "n_speakers": 1,
+        "sample_rate": 22050,
+        "version": 1,
+        "pad_id": 0,
+        "use_icefall": 0,
+        "model_author": "Ali Mahmoudi (@mah92)",
+        "maintainer": "k2-fsa",
+        "use_eos_bos": 0,
+        "num_ode_steps": 5,
+        "see_also": "https://github.com/k2-fsa/sherpa-onnx/issues/1779",
+    }
+    add_meta_data("./female/model.onnx", meta_data)
+    add_meta_data("./male/model.onnx", meta_data)
+
+
+if __name__ == "__main__":
+    main()