Codes of the paper:
- Zhen-Hua Ling , Yang Ai, Yu Gu, and Li-Rong Dai, "Waveform Modeling and Generation Using Hierarchical Recurrent Neural Networks for Speech Bandwidth Extension," IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 26, no. 5, pp. 883-894, 2018.
./HRNN_HF is the code of the HRNN system in the paper.
./CHRNN_HF is the code of the CHRNN system in the paper.