Trim silence from output

Remove reduction of max_iters in eval and demo_server.

demo_server.py

@@ -86,7 +86,6 @@ if __name__ == '__main__':
     help='Hyperparameter overrides as a comma-separated list of name=value pairs')
   args = parser.parse_args()
   os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'
-  hparams.max_iters = 100
   hparams.parse(args.hparams)
   print(hparams_debug_string())
   synthesizer.load(args.checkpoint)

eval.py

@@ -45,7 +45,6 @@ def main():
     help='Hyperparameter overrides as a comma-separated list of name=value pairs')
   args = parser.parse_args()
   os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'
-  hparams.max_iters = 100
   hparams.parse(args.hparams)
   run_eval(args)
 

synthesizer.py

@@ -2,6 +2,7 @@ import io
 import numpy as np
 import tensorflow as tf
 from hparams import hparams
+from librosa import effects
 from models import create_model
 from text import text_to_sequence
 from util import audio
@@ -32,6 +33,8 @@ class Synthesizer:
       self.model.input_lengths: np.asarray([len(seq)], dtype=np.int32)
     }
     wav = self.session.run(self.wav_output, feed_dict=feed_dict)
+    wav = audio.inv_preemphasis(wav)
+    wav, _ = effects.trim(wav)
     out = io.BytesIO()
-    audio.save_wav(audio.inv_preemphasis(wav), out)
+    audio.save_wav(wav, out)
     return out.getvalue()