脉冲编码调制

源音频编码的本质是使用脉冲编码调制或PCM。

The source audio essence is encoded using pulse code modulation or PCM .

本文提出一种基于增量调制（DM）序列的离散傅里叶变换（DFT）结构，它不同于基于脉冲编码调制（PCM）的常规方法。

A new implementation of the DFT based on delta modulation ( DM ) is proposed .

本文将演示如何播放PCM（脉冲编码调制）音频。

This article will show how to play PCM ( Pulse Code Modulation ) audio .

本文研究脉冲编码调制（PCM）控制方式的气压位置伺服系统。

A pneumatic position servo system with pulse code modulation ( PCM ) is described in this paper .

现在最常用的方法是PCM，这是英文脉冲编码调制的缩写。

The most popular method to do that now is PCM . PCM stands for pulse code modulation .

主要讨论了三种语音编码方案，即线性脉冲编码调制（PCM，PulseCodeModulation）、A律PCM和连续可变斜率增量调制（CVSD，ContinuousVariableSlopeDeltaModulation）。

Three kinds of speech encoding schemes , namely , Pulse Code Modulation , A law PCM and Continuous Variable Slope Delta Modulation , are discussed mainly .

语音对数脉冲编码调制（PCM）在数字电话通信等大型通用数字传输设备中已得到广泛应用。

Logarithmic pulse code modulation of speech has been used widely in many digital transmission facilities , such as digital telephone network .

电力系统通信中常用的脉冲编码调制PCM（PulseCodeModulation）复用设备不仅能提供语音接口，同时也能提供符合ITU-TG。

The common PCM ( Pulse Code Modulation ) multiplexing equipments used in communi-cation of power systems can supply not only telephone interfaces , but also digital interfaces satisfying the standard of ITU-T Recommendation G.

脉冲编码调制（PulseCodeModulation，PCM）是概念上最简单、理论上最完善的编码系统，是最早研制成功、使用最为广泛的编码系统。

Pulse-code-modulation ( PCM ) is a coding system with the most simple conception and most perfect theory . And also , it is coding system which has been successfully developed , widely used .

设计了脉冲编码调制（PCM）线路.利用模数转换芯片的外部时钟输入及串行数据输出。

A pulse decoded modulation ( PCM ) circuit was designed by the use of external clock input of serial data output of analog-to-digital converter .

在高密度可编程逻辑器件上设计电路，实现语音信号的压缩编码，即线性脉冲编码调制（PCM）码转换成A律PCM码。

A circuit is designed on high-density-programmable-devices , which is used for compression coding of speech signals , namely the conversion from Pulse-Code-Modulation code to A-law PCM code .

由于背景不变，本文采用DPCM（差分脉冲编码调制）结合DCT变换、RLC编码和哈夫曼编码图像压缩算法，并取得良好的效果。

For the background is unchangeable , this paper adopts DCT commutation with DPCM , RLC coding , and Huffman 's coding arithmetic of image compressing , and gets favorable effect .

自适应差分脉冲编码调制（ADPCM）采用自适应量化方法和自适应预测方法，对PCM（脉冲编码调制）语音信号进行再压缩，是一种有效的语音信号波形编码压缩方案。

Adaptive Differential Pulse Code Modulation ( ADPCM ) is an effective algorithm of speech coding . It adopts the method of adaptive quantization and adaptive prediction to compress pulse code modulation ( PCM ) signal .

又用自适应差分脉冲编码调制（ADPCM），代替RPE－LTP方案中的自适应脉冲编码调制（APCM）对选择的RPE序列进行的量化编码。

The Adaptive Differential Pulse Code Modulation ( ADPCM ) algorithm has been used to replace the Adaptive Pulse Code Modulation ( APCM ) algorithm in the RPE-LTP scheme to quantize the selected RPE sequence .

广义脉冲编码调制（GPCM）控制是针对脉冲编码调制（PCM）控制气动系统中控制精度与控制范围、稳定性与快速性之间的矛盾而提出的。

Be aimed at the contradictions between accuracy and control range and between stability and fastness in pulse code modulation ( PCM ) pneumatic system , a generalized pulse code modulation ( GPCM ) is proposed .

基于对数脉冲编码调制的语音压缩系统实现

Realization of a Speech Compression System Based on Logarithmic Pulse Code Modulation

GB7611-1987脉冲编码调制通信系统网路数字接口参数

Parameters of digital interface for PCM systems over telecommunication network

脉冲编码调制模拟器设计

Design of Pulse Code Modulation ( PCM ) Simulator

GB/T7609-1995电信网中脉冲编码调制音频通路传输特性常用测试方法

General test method for transmission performance of PCM voice channel in telecommunication network

循环差分脉冲编码调制对称与物理

Circular Difference Pulse Code Modulation Symmetry and Physics

电阻率是根据脉冲编码调制确定的尺寸大小来计算的，并且也有实际测量。

Resistivity values were calculated using dimensional data obtained from PCM and measured resistances .

基于脉冲编码调制技术的智能旋翼系统

Smart rotor system based on the PCM technology

GB/T7610-1987音频脉冲编码调制特性

Characteristics of pulse code modulation for voice-frequencies

GB/T4110-1983脉冲编码调制通信系统系列

Pulse code modulation communication system hierarchy

自适应差分脉冲编码调制

Adaptive Differential Pulse Code Modulation

4相差分相移键控系统实验的开发及应用循环差分脉冲编码调制

Development and Application of the 4 Differential Pulse - Code Modulation Experiment Circular Difference Pulse Code Modulation

论述了一种直接式声表面波脉冲编码调制振荡器的工作原理及设计方法。

The operation principle and design method of a direct pulse encoding modulation SAW oscillator are elaborated .

他们还独立地发明了一种脉冲编码调制的形式。

They had invented it afresh . They had also independently invented a form of pulse-coded modulation .

声表面波脉冲编码调制振荡器

Pulse Encoding Modulation SAW Oscillator

运动面积的差分脉冲编码调制方法

Moving area DPCM method