| ########################################################### | |
| # FEATURE EXTRACTION SETTING # | |
| ########################################################### | |
| sampling_rate: 24000 # Sampling rate. | |
| fft_size: 2048 # FFT size. | |
| hop_size: 300 # Hop size. (fixed value, don't change) | |
| win_length: 1200 # Window length. | |
| # If set to null, it will be the same as fft_size. | |
| window: "hann" # Window function. | |
| num_mels: 80 # Number of mel basis. | |
| fmin: 80 # Minimum freq in mel basis calculation. | |
| fmax: 7600 # Maximum frequency in mel basis calculation. | |
| global_gain_scale: 1.0 # Will be multiplied to all of waveform. | |
| trim_silence: true # Whether to trim the start and end of silence. | |
| trim_threshold_in_db: 60 # Need to tune carefully if the recording is not good. | |
| trim_frame_size: 2048 # Frame size in trimming. | |
| trim_hop_size: 512 # Hop size in trimming. | |
| format: "npy" # Feature file format. Only "npy" is supported. | |