Aim To improve the decoding algorithm of 8.0 kbit/s ACELP vocoder against the badly deteriorated transmission, and evaluate its performance over typical GSM transmission platforms.

• 目的 研究恶劣传输环境下 8.；0 kbit/s代数码激励线性预测 ( ACEL P)声码器的译码算法的改进及其在 GSM典型信道上的传输性能