Research Article

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

Figure 3

The wavelet and scaling base functions of “sav8” with 𝛽 = 0 . 1 6 8 .
145758.fig.003a
(a)
145758.fig.003b
(b)