For innovation codebook, algebraic codebook is used with more flexibility in closing in the speech redundant signal.
采用Chebyshev多项式准确有效地估算线谱对(LSP);采用开环和闭环分析相结合进行非整数基音搜索;采用代数码本结构作为固定码本,大大降低了计算复杂度,在频域更好地控制了激励信号的统计特性。
The strong relationship between extended selfdual group algebra codes and duadic group algebra codes is illustrated.
研究扩展自偶群代数码与ｄｕａｄｉｃ群代数码的关系，得到中心群代数码可以扩展为自偶码的充分必要条件。
Under this background, a five layers wideband embedded variable bit rate speech codec is proposed based on ACELP (Algebraic code excited linear prediction) an.
在此背景下,本文基于代数码激励线性预测和变换码激励两种编码技术,完整地设计了一套五层的宽带嵌入式变速率语音编码器。
In this paper, a novel STBC scheme using TAST for MIMO - OFDM system has been proposed.
本文提出了在MIMO-OFDM无线通信系统中将螺纹代数码(Threaded Algebraic Space-Time Codle)以空时编码的形式结合OFDM的方案。