激励信号 e(k)经过一个时变的全极点滤波器产生,全极点滤波器的系数取决于所产生的特定声音的声道形状。生成语音信号 s(k)可以表示为 s(k)=\sum_{p=1}^P a_p s(k-p)+e(k)其中,P是滤波器的阶数, a_p是滤波器的系…
The invention relates to a linear predictive coding (LPC) coefficient quantitative method and a device which are used for audio signal coding. The method includes the following steps: determining types of input audio signals based on a preset rule, carrying out a liner prediction process to the ...
网络线性预测编码 网络释义 1. 线性预测编码 ...ulse Code Modulation) 三、线性预测编码(LPC Linear Predictive Coding)声码器 四、混合编码(改进型LPC声码器) 五、GSM … baike.baidu.com|基于7个网页
Linear Predictive Coding Pole Processing (LPCPP)是一种参数化的时频方法,可用于实时识别和跟踪信号中主导频率成分的变化。该方法的实时性指的是离散信号的每个采样瞬间。LPCPP方法进一步处理LPC(线性预测编码)极点,以产生一系列降阶滤波器传递函数来实现主导频率估计。LPCPP是一种基于线性预测编码原理的方法,它通过...
LPC是线性预测编码(linear predictive coding,LPC)是一种非常重要的编码方法。从原理上讲,LPC是通过分析话音波形来产生声道激励和转移函数的参数,对声音波形的编码实际就转化为对这些参数的编码,这就使声音的数据量大大减少。 LPC是用简单语言定义的首字母缩写词或缩写词。除了VK,Instagram,Whatsapp和Snapchat等社交网...
根据我们的记录,有〇 种与 LPC 文件扩展名相关的文件类型,最常见的被格式化为 Linear Predictive Coding Sound。LivePC Engine Subscription Information 由 moka5 发布,是最通用的关联应用程序。 此外,有〇 种不
1. A system for estimating pitch lag for speech quantization and compression requiring substantially reduced complexity, the speech having a linear predictive coding (LPC) residual signal defined by a plurality of LPC residual samples, wherein the estimate of a current LPC residual sample is determin...
1) linear predictive coding (LPC) 线性预示编码2) linear precoding 线性预编码 1. Linear precoding design in MIMO system base on partial channel side information in the transmitter 基于发射端获知部分信道状态信息MIMO系统线性预编码的设计 2. A HARQ-based linear precoding scheme was proposed to ...
The utility model discloses an LPC2400ARM (linear predictive coding 2400 advanced-RISC machine)-based voice recording system which comprises an LPC2478 chip, an LCD (liquid crystal display) controller, an IS (inter-IC sound) controller, a microphone, a voice coding and decoding chip, an LCD,...
& BERNACKI, R.H., 1998: Applying linear predictive coding (LPC) to fre- quency-spectrum analysis of animal acoustic signals.- In: HOPP, S.L., OWREN, M.J. & EVANS, C.S. (Eds.): Animal Acoustic Communication.- Berlin: Springer-Verlag, pp. 129-162....