Add extra options to infer script

src/python/piper_train/infer.py

@@ -24,6 +24,11 @@ def main():
     )
     parser.add_argument("--output-dir", required=True, help="Path to write WAV files")
     parser.add_argument("--sample-rate", type=int, default=22050)
+    #
+    parser.add_argument("--noise-scale", type=float, default=0.667)
+    parser.add_argument("--length-scale", type=float, default=1.0)
+    parser.add_argument("--noise-w", type=float, default=0.8)
+    #
     args = parser.parse_args()
 
     args.output_dir = Path(args.output_dir)
@@ -49,7 +54,7 @@ def main():
 
         text = torch.LongTensor(phoneme_ids).unsqueeze(0)
         text_lengths = torch.LongTensor([len(phoneme_ids)])
-        scales = [0.667, 1.0, 0.8]
+        scales = [args.noise_scale, args.length_scale, args.noise_w]
         sid = torch.LongTensor([speaker_id]) if speaker_id is not None else None
 
         start_time = time.perf_counter()