data: dataset: 'paddle.audio.datasets:ESC50' num_classes: 50 train: mode: 'train' split: 1 dev: mode: 'dev' split: 1 model: backbone: 'paddlespeech.cls.models:cnn14' feature: sr: 32000 n_fft: 1024 hop_length: 320 window: 'hann' win_length: 1024 f_min: 50.0 f_max: 14000.0 n_mels: 64 training: epochs: 50 learning_rate: 0.00005 num_workers: 2 batch_size: 16 checkpoint_dir: './checkpoint' save_freq: 10 log_freq: 10 predicting: audio_file: '/audio/dog.wav' top_k: 10 checkpoint: './checkpoint/epoch_50/model.pdparams'