International Scholarly Research Notices

Research Article

Adaptive Variable Degree- 𝑘 Zero-Trees for Re-Encoding of Perceptually Quantized Wavelet Packet Transformed Audio and High-Quality Speech

Table 4

Comparison of the re-encoder average bit-rates.
Test signalSEGSNR (dB)PESQAverage bit-rate (bit/sec)
EZWSPIHTModified EZWModified SPIHTProposed AVDZ
Male 123.914.203994543784349943441833159
Female 121.574.173926943391359003525533521
Male 220.363.933834641374320953175329921
Female 219.683.933795541583318503159229689
Male 325.053.864078841614306593178228749
Female 325.333.814169042929318613281329853
Music 118.514.426002063841531815261548503
Music 222.494.426328465727508725149746530