data: dataset: 'paddle.audio.datasets:TESS' num_classes: 7 train: mode: 'train' split: 1 feat_type: 'spectrogram' dev: mode: 'dev' split: 1 feat_type: 'spectrogram' model: backbone: 'paddlespeech.cls.models:cnn14' feature: n_fft: 126 hop_length: 320 window: 'hann' training: epochs: 10 learning_rate: 0.0005 num_workers: 2 batch_size: 128 checkpoint_dir: './checkpoint_spectrogram' save_freq: 1 log_freq: 1