适应微分-脉冲码调制 adaptive differential pulse code modulation

混合微分脉冲编码调制 hybrid differential pulse code modulation

微分脉冲编码调制 differential pulse code modulation

微分脉冲码调制 differential pulse code modulation

微分对数脉码调制 [电子] differential-logarithmic pulse code modulation

微分编码脉冲相位调制 Differentially Encoded Pulse Phase modulation