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MutliConference
- 是一个多人会议单元系统，支持 H.323 协议（需OpenH323支持）。 - 支持 G.711, GSM MS-GSM 和 LPC-10 音频编码 - 支持 H.261 视频编码 - 多连接支持，多个会议可以同时开设 -meeting is a more modular system, support H.323 (subject OpenH323 support). - Support G.711, GSM MS-GSM and LPC-10 audio coding - s
MC03
- AbS-LPC is better compression performance can be obtained by careful design of LPC filter-AbS-LPC is better compression performance can be obtained by careful design of LPC filter
risidual
- 预测语音信号的LPC系数，求出残差信号，再由残差信号恢复原始语音信号，由此可以看出残差信号在信号处理中的重要性。-Prediction of LPC coefficients about the speech signal, and a residual signal is obtained, and then restore the original speech signal from the residual signal, the importance of which can be
Linear-Predictive-Coder-master
- Linear-Predictive-Coder MATLAB Implementation of LPC algorithm for speech signal # Why LPC? In communication systems it is often necessary to transmit audio(speech) signal in compressed or encoded form because of bandwidth limitation of the
libogg
- 首先对输入音频PCM信号进行时频分析，决定MDCT的长度，即加窗，然后进行MDCT变换；同时对原始音频信号要进行FFT分析。两种变换的频谱系输入给心理声学模型单元，MDCT系数用于噪声掩蔽计算，H可结果用于音调掩蔽特性计算，共同构造总的掩蔽曲线。然后根据MDCT系数及掩蔽曲线，对频谱系数进行线性预测分析用LPC(Linear Prediction Coefficience，线性预测系数)表示频谱包络，即基底曲线(Floor Curve)；或通过线性分段逼近方式获得基底曲线。从MDCT系数中去掉