Table 1 The prediction gain of AAC-LTP.
From: Harmonic Enhancement in Low Bitrate Audio Coding Using an Efficient Long-Term Predictor
| Â | Â | Speech 1 | Speech 2 | Speech 3 | Speech 4 | Speech 5 | Speech 6 |
|---|---|---|---|---|---|---|---|
Operated frame rate (%) | 4.0 | 8.2 | 1.9 | 2.9 | 22.1 | 28.9 | |
prediction gain (dB) | no delay | 16.78 | 14.94 | 15.00 | 10.27 | 12.48 | 14.12 |
| Â | 1 frame delay | 3.23 | 4.16 | 3.62 | 2.60 | 2.46 | 5.97 |