Neural Vocoding on LibriTTS-R clean-100 (test)
4.08NISQAGround Truth
Evaluation Results
| Method | Links | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Ground Truth2026.05 | 4.08 | — | — | — | 4.11 | — | — | — | |
| WaveFitIterations=52026.05 | 4.02 | — | 0.0226 | 5.36 | 4.04 | 0.9 | 0.31 | 15.51 | |
| GAN-WaveNeXt 2Iterations=42026.05 | 4.01 | — | 0.0066 | 0.2 | 4.04 | 0.95 | 0.3 | 59.94 | |
| GAN-WaveNeXt 2Iterations=52026.05 | 4.01 | — | 0.009 | 0.24 | 4.04 | 0.95 | 0.3 | 74.93 | |
| HiFi-GAN V12026.05 | 3.99 | — | 0.011 | 0.8 | 4.05 | 2.34 | 0.16 | 13.9 | |
| WaveFitIterations=42026.05 | 3.97 | — | 0.0213 | 4.28 | 3.99 | 1.01 | 0.32 | 15.51 | |
| GAN-WaveNeXt 2Iterations=32026.05 | 3.92 | — | 0.0054 | 0.15 | 3.91 | 0.96 | 0.3 | 44.96 | |
| WaveFitIterations=32026.05 | 3.91 | — | 0.0151 | 3.22 | 3.98 | 1.01 | 0.32 | 15.51 | |
| Diff-WaveNeXt 2Sub-modeling strategy=with2026.05 | 3.81 | — | 0.0164 | 0.16 | 3.87 | 4.16 | 0.12 | 57.68 | |
| WaveFitIterations=22026.05 | 3.8 | — | 0.0111 | 2.15 | 3.89 | 1.03 | 0.32 | 15.51 | |
| GAN-WaveNeXt 2Iterations=22026.05 | 3.77 | — | 0.0033 | 0.1 | 3.88 | 0.97 | 0.31 | 29.97 | |
| FastDiffSub-modeling strategy=with2026.05 | 3.67 | — | 0.0282 | 0.8 | 3.78 | 4.32 | 0.24 | 62.52 | |
| Diff-WaveNeXt 2Sub-modeling strategy=without2026.05 | 3.45 | — | 0.0335 | 0.16 | 3.55 | 7.34 | 0.16 | 14.42 | |
| FastDiffSub-modeling strategy=without2026.05 | 3.43 | — | 0.0625 | 0.8 | 3.5 | 4.76 | 0.16 | 15.63 | |
| WaveNeXtIterations=12026.05 | 3.16 | — | 0.0022 | 0.06 | 3.2 | 0.92 | 0.31 | 14.98 | |
| Diff-WaveNeXt 2Hardware=Single GPU2026.05 | — | 32 | — | — | — | — | — | — | |
| FastdiffHardware=Single GPU2026.05 | — | 96 | — | — | — | — | — | — | |
| GAN-WaveNeXt 2Hardware=Single GPU2026.05 | — | 410 | — | — | — | — | — | — | |
| HiFi-GANHardware=Single GPU2026.05 | — | 270 | — | — | — | — | — | — | |
| WaveFitHardware=Single GPU2026.05 | — | 410 | — | — | — | — | — | — |