1) non-speech audio
非语音信号
2) speech and non-speech discriminate
语音/非语音信号辨别
3) Speech signal
语音信号
1.
Method of solving LPC coefficients of speech signals;
一种语音信号线性预测系数的求解新方法
2.
the Character Analysis of Speech Signal with Time and Frequency Based on MATLAB;
基于MATLAB的语音信号时频域参数分析
3.
Method to determine delay time of speech signal in reconstructed phase space;
语音信号相空间重构中时间延迟的选择方法
4) speech signals
语音信号
1.
Blind source separation of speech signals based on the amplitude correlation of neighbour bins;
基于相邻频点幅度相关的语音信号盲源分离
2.
The Study of Blind Source Separation of Speech Signals;
语音信号盲分离技术的研究与应用
3.
Based on the analysis of average displacement (AD) method for selection of time delay in phase space reconstruction of speech signals, this paper modifies the original measurement of AD method to get a better criterion for proper time delay selection, which has a sound theoretic basis and can produce better effect.
改进的平均位移法具有更强的理论依据；应用于语音信号相空间重构的仿真实验表明，其度量一般情况下可得到合适的时间延迟。
5) voice signal
语音信号
1.
The design of the voice signal real time noise cancellation software;
语音信号实时降噪软件的设计
2.
This paper elaborates on the basic principle of linear preduction inanalysing voice signal technology and solves the effective calculation method about thecoupled equations of linear preduction by using self-interrelative theory.
阐述了语音信号分析技术中线性预测的基本原理及用自相关法求解线性预测方程组的有效算法。
3.
A DSP control based voice systems, with TMS320VC5402bas a microcontroller, realizes the functions of voice signal acquisition compression and data transmission.
文章基于DSP的语音系统,采用TMS320VC5402作为微控制器,实现了对语音信号的采集压缩和传输数据等功能。
6) audio signal
语音信号
1.
Visual design of audio signal acquisition and analysis system based on the MATLAB;
基于MATLAB的语音信号采集和分析系统的可视化设计
2.
Realization of Transfer of Audio Signal Based on Java on Internet;
基于Java的网络语音信号传输的实现
3.
The paper discusses the principle and process of DTMF decoding based on Goertzel algorithm,and simply introduces the composition of a section of audio signal,then simulates the decoding of Goertzel algorithm in audio environment.
文中论述了基于Goertzel算法的DTMF信号解码基本原理和基本过程,简要介绍了语音信号段的合成,在语音噪声背景下,仿真了Goertzel算法的DTMF信号解码情况。
补充资料：非正弦波信号发生器
非正弦波信号发生器
nonsinusoidal signal generator
充电状态。如此周而复始。Uc为三角形波，U。为矩形波。可按电容充放电的公式得矩形波的周期T一_~~，f_.ZR:}_~、二一，、一Z找七m}1十二厂}，犯形淡阴狈华 \八f/F一喜一1__ 1_一一、{_艺式1) 艺找七上n}1十二于} \八f/ .、_~_，一__.，Rl____，一.一一，田上式叫见:改尖八、C飘才即叫改堂狈华。田 1、￡图1(b)可知:改变U;值，即可改变矩形波的幅值。此外，由于电容C的充放电时间常数均为RC，故矩形波的占空比D一丝;票旦一。.:。目J目一~一T一’”“ 丑Rl+Rr肠Vz┌───┐│ )c匕││ N+ ││+ │└───┘ 左，一，布尸-了二尸Uz人l十式f士U: ┌──┬─┐ │ │ │┌─┼──┼─┤│ │tI │f2│├─┼──┼─┘│ │T/2 │ │ ├──┤ │ │ │ └─┴──┘ 图1矩形波信号发生器 (a)电路图;(b)波形图 锯齿波信号发生器电路如图2(a)所示。图中由运算放大器、稳压管和电阻R。、R、、R:组成带正反馈的迟滞型比较器，由结型场效应管和电容C构成反，~_，。、______.__R、__._二_、.、馈网络。当U。一U:时，U。一不拜~下U:，结型场效应~’翎一曰“一一“一一书’一”Rl+R，一乙’~~~~~管的漏极d处于正电位，工作在恒流源状态，它以恒定电流向C充电，使输出电压U。(~UC)直线上升，如图2(b)所示。“UcI升到Uc一二饭海瓦U:时，比较器发生跳变，其输出电压U乙由+U:跳变到一Uz，使Up一彩筑U:。这时漏极d处于负电位，源极s处于正电位，结型场效应管处于倒向工作状态，即d起源极作用，S极起漏极作用，栅极电压为正值，PN结正偏，sd间呈低阻状态，使电容C放电加速。所以，电┌──────┐│-一一节一 │└──────┘ ┌────┐ │ 卜。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条