Speech Coding Efficiency on LibriTTS 16 kHz (test)
2.28GFLOPsMDCTCodec
Evaluation results
| Method | Links | |||||
|---|---|---|---|---|---|---|
| MDCTCodecBitrate=0.65 kbps (Low), Frame rate=50 Hz2026.05 | 2.28 | — | 6.15 | 0.055 | 0.013 | |
| MDCTCodecBitrate=1.3 kbps (Medium), Frame rate=100 Hz2026.05 | 2.3 | — | 6.15 | 0.058 | 0.011 | |
| MDCTCodec2026.05 | 2.49 | 0.013 | 6.61 | — | — | |
| WavTokenizerBitrate=0.65 kbps (Low), Frame rate=50 Hz2026.05 | 4.2 | — | 71.65 | 0.184 | 0.02 | |
| WavTokenizer2026.05 | 4.21 | 0.021 | 71.65 | — | — | |
| WavTokenizerBitrate=1.3 kbps (Medium), Frame rate=100 Hz2026.05 | 7.69 | — | 70.79 | 0.326 | 0.023 | |
| FocalCodec2026.05 | 8.84 | 0.026 | 143.3 | — | — | |
| CFMDCTCodecBitrate=0.65 kbps (Low), Frame rate=50 Hz2026.05 | 11.93 | — | 14.61 | 0.442 | 0.088 | |
| CFMDCTCodecBitrate=1.3 kbps (Medium), Frame rate=100 Hz2026.05 | 11.95 | — | 14.61 | 0.462 | 0.069 | |
| FMelCodec2026.05 | 18.47 | 0.022 | 27.17 | — | — | |
| BigCodec2026.05 | 28.03 | 0.052 | 158.31 | — | — | |
| DAC2026.05 | 32.22 | 0.096 | 73.96 | — | — | |
| BigCodecBitrate=0.65 kbps (Low), Frame rate=50 Hz2026.05 | 52.56 | — | 112.36 | 1.899 | 0.044 | |
| BigCodecBitrate=1.3 kbps (Medium), Frame rate=100 Hz2026.05 | 54.59 | — | 102.78 | 1.819 | 0.051 | |
| DACBitrate=1.3 kbps (Medium), Frame rate=100 Hz2026.05 | 55.49 | — | 62.78 | 0.68 | 0.093 | |
| DACBitrate=0.65 kbps (Low), Frame rate=50 Hz2026.05 | 55.53 | — | 73.86 | 0.722 | 0.08 | |
| FlowDec2026.05 | 2,280 | 0.214 | 97.64 | — | — | |
| FlowDecBitrate=1.3 kbps (Medium), Frame rate=100 Hz2026.05 | 2,306.44 | — | 86.46 | 20.063 | 0.151 | |
| FlowDecBitrate=0.65 kbps (Low), Frame rate=50 Hz2026.05 | 2,306.48 | — | 97.54 | 21.349 | 0.15 |