correct is
python freeze.py --num_classes 12 --checkpoint_path work/v1/TCResNet8Model-1.0/mfcc_40_3010_0.001_mom_l1/TCResNet8Model-30000 --output_name softmax --preprocess_method no_preprocessing --height 49 --width 40 --channels 1 TCResNet8Model --width_multiplier 1.0