Audio Bandwidth Extension (12→48 kHz) on VCTK (test)
0.8LSDProposed Model
Evaluation results
| Method | Links | ||
|---|---|---|---|
| Proposed ModelUpsampling Factor=4x, Input Sample Rate=12 kHz, Target Sample Rate=48 kHz2026.03 | 0.8 | — | |
| AP-BWEUpsampling Factor=4x, Input Sample Rate=12 kHz, Target Sample Rate=48 kHz2026.03 | 0.81 | — | |
| NVSRUpsampling Factor=4x, Input Sample Rate=12 kHz, Target Sample Rate=48 kHz2026.03 | 1.2 | — | |
| AudioSRUpsampling Factor=4x, Input Sample Rate=12 kHz, Target Sample Rate=48 kHz2026.03 | 1.52 | — | |
| Sinc upsamplingUpsampling Factor=4x, Input Sample Rate=12 kHz, Target Sample Rate=48 kHz2026.03 | 3.19 | — | |
| AP-BWESampling rate=12→48 kHz2026.03 | — | 3.54 | |
| AudioSRSampling rate=12→48 kHz2026.03 | — | 3.21 | |
| NVSRSampling rate=12→48 kHz2026.03 | — | 3 | |
| Proposed ModelSampling rate=12→48 kHz2026.03 | — | 3.53 | |
| Sinc upsamplingSampling rate=12→48 kHz2026.03 | — | 2.23 |