Table 1 According to the codebook sizes of different methods in Fig. 10, the theoretical bit rates (kbps) required to code spatial parameters in a full circle in a horizontal plane with 24 frequency bands and 20 ms time frame
From: JND-based spatial parameter quantization of multichannel audio signals
Methods | MPEG_H | MPEG_L | SLQP_H | SLQP_L | Choi’s | Cheng_H | Cheng_L | Our JSPQ |
|---|---|---|---|---|---|---|---|---|
L&R pair | 5.89 | 4.69 | 5.95 | 5.27 | 5.27 | 5.95 | 5.27 | 4.90 |
L&Ls/R&Rs | 5.89 | 4.69 | 6.39 | 5.64 | 5.64 | 4.44 | 2.40 | 3.80 |
Ls&Rs | 5.89 | 4.69 | 7.33 | 6.67 | 6.51 | 3.37 | 1.90 | 4.90 |
Full circle | 8.29 | 7.09 | 8.99 | 8.29 | 8.32 | 7.20 | 6.00 | 6.84 |