Bandwidth Extension on VCTK 8 kHz to 44.1 kHz (test)
4.73VISQOLTarget (HR Speech)
Evaluation Results
| Method | Links | ||||||
|---|---|---|---|---|---|---|---|
| Target (HR Speech)2026.03 | 4.73 | — | — | — | 4.5 | 4.32 | |
| FlowHigh2026.03 | 3.49 | 1.29 | 0.62 | 1.39 | 3.92 | 3.93 | |
| Fre-Painter2026.03 | 3.31 | 1.3 | 0.62 | 1.4 | 4.01 | 3.99 | |
| CodecFlowstatus=full fine-tuned model2026.03 | 3.3 | 0.93 | 0.67 | 0.98 | 4.42 | 4.25 | |
| AP-BWE2026.03 | 3.23 | 1.14 | 0.23 | 1.25 | 4.44 | 4.25 | |
| CFM-UConffine-tuning=without, backbone=U-Conformer2026.03 | 2.87 | 1.04 | 0.72 | 1.1 | 3.9 | 3.73 | |
| CFM-Conffine-tuning=without, backbone=Conformer2026.03 | 2.73 | 1.26 | 0.91 | 1.32 | 3.78 | 3.54 | |
| NU-Wave22026.03 | 2.19 | 1.5 | 0.72 | 1.62 | 3.49 | 2.98 | |
| Input (LR Speech)2026.03 | 2.16 | 5.5 | 0.81 | 6.07 | 3.85 | 3.28 | |
| CodecRegfine-tuning=without2026.03 | 1.92 | 4.86 | 1.17 | 5.34 | 2.67 | 2.43 |