ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter6/end-to-end-speech/prepare_fixtures.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+"""Regenerate the small synthetic WAV fixtures used by Experiment 6-5."""
+
+from __future__ import annotations
+
+import shutil
+import subprocess
+from pathlib import Path
+
+
+HERE = Path(__file__).resolve().parent
+FIXTURES = HERE / "fixtures"
+
+UTTERANCES = {
+    "boxes-79.wav": (145, 50, "A shop has twelve boxes with eight pencils in each box. It gives away seventeen pencils. How many pencils remain?"),
+    "tickets-42.wav": (145, 50, "A theater sold eighteen tickets in the morning and twenty four tickets in the afternoon. How many tickets did it sell altogether?"),
+    "pace-fast.wav": (260, 60, "Please send the report before lunch."),
+    "pace-slow.wav": (85, 40, "Please send the report before lunch."),
+}
+
+
+def main() -> int:
+    espeak = shutil.which("espeak")
+    if not espeak:
+        raise SystemExit("espeak is required to regenerate fixtures (Ubuntu: apt install espeak)")
+    FIXTURES.mkdir(parents=True, exist_ok=True)
+    for filename, (speed, pitch, text) in UTTERANCES.items():
+        output = FIXTURES / filename
+        subprocess.run(
+            [espeak, "-v", "en-us", "-s", str(speed), "-p", str(pitch), "-w", str(output), text],
+            check=True,
+        )
+        print(output)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())