# Add model module:
# Add the Net1 model interface
# Add a module group:
# Implement the PreNet network model structure
# Implement the HighwayNet network model structure
# Update the audio operation module:
# Add an instant clipping function
# Add phones, and a phones dictionary generation method
# Optimize debugging of the "_get_mfcc_and_spec" function
# Implement "get_mfccs_and_phones" function
# Implement "get_mfccs_and_spectrogram" function
# Update the hparams module:
# Add TIMIT default duration