Speech Quality Evaluation on VCTK 48 kHz (test)
0.895STOIBigCodec
Evaluation results
| Method | Links | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| BigCodecBitrate=3.9 kbps (High), Frame rate=300 Hz2026.05 | 0.895 | 5.4 | 0.958 | 0.846 | 3.23 | 3.931 | 84.35 | — | |
| BigCodecStreamable=false, Target Bitrate=2.7 kbps2026.06 | 0.88 | — | — | 0.85 | — | — | 84.73 | 3.678 | |
| MDCTCodecBitrate=3.9 kbps (High), Frame rate=300 Hz2026.05 | 0.866 | 1.233 | 0.966 | 0.838 | 2.976 | 3.808 | 82.07 | — | |
| DACBitrate=3.9 kbps (High), Frame rate=300 Hz2026.05 | 0.86 | 6.119 | 0.95 | 0.858 | 3.004 | 3.573 | 83.24 | — | |
| VoCodecStreamable=true, Target Bitrate=2.7 kbps2026.06 | 0.857 | — | — | 0.847 | — | — | 82.95 | 3.84 | |
| WavTokenizerBitrate=3.9 kbps (High), Frame rate=300 Hz2026.05 | 0.856 | 4.401 | 0.923 | 0.878 | 3.126 | 3.788 | 83.59 | — | |
| BigCodecBitrate=1.95 kbps (Medium), Frame rate=150 Hz2026.05 | 0.851 | 1.719 | 0.941 | 0.857 | 3.213 | 3.91 | 82.47 | — | |
| DACStreamable=false, Target Bitrate=2.7 kbps2026.06 | 0.842 | — | — | 0.87 | — | — | 81.22 | 3.58 | |
| StreamCodecStreamable=true, Target Bitrate=2.7 kbps2026.06 | 0.842 | — | — | 0.855 | — | — | 79.38 | 3.802 | |
| MDCTCodecBitrate=1.95 kbps (Medium), Frame rate=150 Hz2026.05 | 0.84 | -1.347 | 0.952 | 0.854 | 2.935 | 3.686 | 76.02 | — | |
| CFMDCTCodecBitrate=3.9 kbps (High), Frame rate=300 Hz2026.05 | 0.837 | 4.364 | 0.943 | 1.056 | 3.041 | 3.772 | 83.37 | — | |
| MDCTCodec-SStreamable=true, Target Bitrate=2.7 kbps2026.06 | 0.836 | — | — | 0.862 | — | — | 79.3 | 3.714 | |
| FlowDecBitrate=3.9 kbps (High), Frame rate=300 Hz2026.05 | 0.825 | 0.826 | 0.951 | 0.873 | 3.363 | 3.773 | 85.98 | — | |
| CFMDCTCodecBitrate=1.95 kbps (Medium), Frame rate=150 Hz2026.05 | 0.81 | 1.401 | 0.921 | 1.089 | 2.927 | 3.667 | 79.06 | — | |
| DACBitrate=1.95 kbps (Medium), Frame rate=150 Hz2026.05 | 0.803 | 2.22 | 0.915 | 0.884 | 2.933 | 3.344 | 74.98 | — | |
| FlowDecBitrate=1.95 kbps (Medium), Frame rate=150 Hz2026.05 | 0.79 | -1.086 | 0.923 | 0.924 | 3.339 | 3.621 | 81.74 | — | |
| WavTokenizerBitrate=1.95 kbps (Medium), Frame rate=150 Hz2026.05 | 0.774 | -1.876 | 0.853 | 0.961 | 2.856 | 2.987 | 66.13 | — | |
| AudioDecStreamable=true, Target Bitrate=2.7 kbps2026.06 | 0.771 | — | — | 0.886 | — | — | 81.01 | 3.695 |