Skip to main content

Advertisement

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 %