Problem on runing it on colab

[AngelicaRibeiro]

Hi, Im tring to run it on colab.
I've cloned your repo and when I'm going to upload the wav files it says that the sound is in silence.

/usr/local/lib/python3.6/dist-packages/tensorflow/python/framework/dtypes.py:455: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint8 = np.dtype([("qint8", np.int8, 1)])
/usr/local/lib/python3.6/dist-packages/tensorflow/python/framework/dtypes.py:456: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_quint8 = np.dtype([("quint8", np.uint8, 1)])
/usr/local/lib/python3.6/dist-packages/tensorflow/python/framework/dtypes.py:457: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint16 = np.dtype([("qint16", np.int16, 1)])
/usr/local/lib/python3.6/dist-packages/tensorflow/python/framework/dtypes.py:458: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_quint16 = np.dtype([("quint16", np.uint16, 1)])
/usr/local/lib/python3.6/dist-packages/tensorflow/python/framework/dtypes.py:459: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
  _np_qint32 = np.dtype([("qint32", np.int32, 1)])
Using default logdir: ./logdir/train/2019-11-20T02-04-55
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use SSE3 instructions, but these are available on your machine and could speed up CPU computations.
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use SSE4.1 instructions, but these are available on your machine and could speed up CPU computations.
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use SSE4.2 instructions, but these are available on your machine and could speed up CPU computations.
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use AVX instructions, but these are available on your machine and could speed up CPU computations.
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use AVX2 instructions, but these are available on your machine and could speed up CPU computations.
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use AVX512F instructions, but these are available on your machine and could speed up CPU computations.
W tensorflow/core/platform/cpu_feature_guard.cc:45] The TensorFlow library wasn't compiled to use FMA instructions, but these are available on your machine and could speed up CPU computations.
Trying to restore saved checkpoints from ./logdir/train/2019-11-20T02-04-55 ... No checkpoint found.
files length: 10
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00007.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00008.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00006.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00004.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00003.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00008.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00005.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00006.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
files length: 10
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00005.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00004.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00006.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00002.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00004.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00005.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00008.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00007.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00008.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
files length: 10
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00006.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00001.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00007.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00003.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00005.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00002.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.
Warning: /content/drive/My Drive/tensorflow-wavenet/Data/metal.00001.wav was ignored as it contains only silence. Consider decreasing trim_silence threshold, or adjust volume of the audio.

Follow the code:
PS: Change the .pdf extention to .py
Test.pdf

[SerafimC]

Try to decrease trim_silence threshold with the parameter --silence_threshold
Im testing currently with --silence_threshold=0.1

[zzFon]

I think you can make an adjustment to the argument 'SILENCE_THRESHOLD' by either editing the code or adding another argument when run. I also come across this issue, it's quite tricky