摘要
介绍了一种语音混合编码技术，它结合了频域参数编码器（用于平稳浊音和平稳清音）和时域波形编码器（用于过滤语音）。主观听音测试证明，这种4kbit/s混合编码方案的质量可和低速率的CELP编码器相媲美。
It is introduced in this paper a hybrid speech coding technique, which combines a frequencydomain parametric coder (for stationary voiced and stationary unvoiced speech) with a timedomain waveform coder (for transition speech). Subjective listening tests demonstrate that the 4 kbit/s hybrid coding scheme competes favorably with CELP coders at low bitrates.
作者
程敏
俞珑
CHENG Min1, YU Long2(1. Department of Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2. Adult Education College, Nanjing University of Posts and Telecommunications, Nanjing 210003, China)
出处
《江苏通信技术》
2002年第5期22-26,共5页
Jiangsu Communication Technology
