Export Kokoro 1.0 to sherpa-onnx (#1788)

scripts/kokoro/v1.0/generate_voices_bin.py

@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+# Copyright    2025  Xiaomi Corp.        (authors: Fangjun Kuang)
+import torch
+from pathlib import Path
+
+
+id2speaker = {
+    0: "af_alloy",
+    1: "af_aoede",
+    2: "af_bella",
+    3: "af_heart",
+    4: "af_jessica",
+    5: "af_kore",
+    6: "af_nicole",
+    7: "af_nova",
+    8: "af_river",
+    9: "af_sarah",
+    10: "af_sky",
+    11: "am_adam",
+    12: "am_echo",
+    13: "am_eric",
+    14: "am_fenrir",
+    15: "am_liam",
+    16: "am_michael",
+    17: "am_onyx",
+    18: "am_puck",
+    19: "am_santa",
+    20: "bf_alice",
+    21: "bf_emma",
+    22: "bf_isabella",
+    23: "bf_lily",
+    24: "bm_daniel",
+    25: "bm_fable",
+    26: "bm_george",
+    27: "bm_lewis",
+    28: "ef_dora",
+    29: "em_alex",
+    30: "ff_siwis",
+    31: "hf_alpha",
+    32: "hf_beta",
+    33: "hm_omega",
+    34: "hm_psi",
+    35: "if_sara",
+    36: "im_nicola",
+    37: "jf_alpha",
+    38: "jf_gongitsune",
+    39: "jf_nezumi",
+    40: "jf_tebukuro",
+    41: "jm_kumo",
+    42: "pf_dora",
+    43: "pm_alex",
+    44: "pm_santa",
+    45: "zf_xiaobei",
+    46: "zf_xiaoni",
+    47: "zf_xiaoxiao",
+    48: "zf_xiaoyi",
+    49: "zm_yunjian",
+    50: "zm_yunxi",
+    51: "zm_yunxia",
+    52: "zm_yunyang",
+}
+
+speaker2id = {speaker: idx for idx, speaker in id2speaker.items()}
+
+
+def main():
+    if Path("./voices.bin").is_file():
+        print("./voices.bin exists - skip")
+        return
+
+    with open("voices.bin", "wb") as f:
+        for _, speaker in id2speaker.items():
+            m = torch.load(
+                f"{speaker}.pt",
+                weights_only=True,
+                map_location="cpu",
+            ).numpy()
+            # m.shape (510, 1, 256)
+
+            f.write(m.tobytes())
+
+
+if __name__ == "__main__":
+    main()