Table 3 Coding bit rates (kbps) for spatial parameters with standard 5.1-channel test signals. The average bit rate of JSPQ decreased by 12.77, 9.44, 9.99, and 5.47 % compared with MPEG_H, MPEG_L, Choi’s, and Cheng_H, respectively
From: JND-based spatial parameter quantization of multichannel audio signals
Item names | MPEG_H | MPEG_L | Choi’s | Cheng_H | Our JSPQ |
|---|---|---|---|---|---|
pcm_mps_44khz_HQ.wav | 12.21 | 11.68 | 11.48 | 10.87 | 9.92 |
AVS_LL6001_48_24_6.wav | 9.17 | 8.98 | 8.92 | 8.57 | 8.14 |
AVS_LL6003_48_24_6.wav | 5.88 | 5.68 | 5.92 | 5.69 | 5.68 |
AVS_LL6004_48_24_6.wav | 9.16 | 8.74 | 8.97 | 8.47 | 8.02 |
Average bit rates | 9.10 | 8.77 | 8.82 | 8.40 | 7.94 |
Bit rates reduction | 12.77 % | 9.44 % | 9.99 % | 5.47 % | — |