Bandwidth Extension on TIMIT 8 kHz to 16 kHz (test)
4.51VISQOLTarget (HR Speech)
Evaluation Results
| Method | Links | ||||||
|---|---|---|---|---|---|---|---|
| Target (HR Speech)2026.03 | 4.51 | — | — | — | 4.29 | 4.06 | |
| Input (LR Speech)2026.03 | 2.83 | 5.36 | 1.16 | 7.49 | 3.77 | 3.2 | |
| CodecFlowstatus=full fine-tuned model2026.03 | 2.72 | 1.01 | 0.64 | 1.27 | 4.25 | 4.04 | |
| Fre-Painter2026.03 | 2.64 | 1.35 | 0.34 | 1.87 | 3.76 | 3.69 | |
| NU-Wave22026.03 | 2.6 | 1.75 | 0.51 | 2.42 | 3.19 | 2.84 | |
| FlowHigh2026.03 | 2.59 | 1.34 | 0.36 | 1.85 | 3.79 | 3.75 | |
| CodecRegfine-tuning=without2026.03 | 2.46 | 1.19 | 0.67 | 1.53 | 3.77 | 3.63 | |
| AP-BWE2026.03 | 2.42 | 1.24 | 0.46 | 1.69 | 3.97 | 3.79 | |
| CFM-UConffine-tuning=without, backbone=U-Conformer2026.03 | 2.29 | 1.21 | 0.82 | 1.48 | 4.05 | 3.9 | |
| CFM-Conffine-tuning=without, backbone=Conformer2026.03 | 2.24 | 1.33 | 0.72 | 1.73 | 3.82 | 3.7 |