音信

I have not heard from her since she left.

她走后音信杳无.

Then three weeks went by without letter . Finally , a telegram came , saying.

然而这一次三个星期过去了, 音信杳无.

Have you any news of where your brother is staying?

你有你哥哥在何处的音信 吗 ?

The parents haven't yet heard from their son since he went abroad.

自从他出国后,父母亲就未曾接到过他的音信.

He managed to smuggle a message out of prison to his friends.

他设法把音信从监狱偷带给了他的朋友.

ADSL splitters take a role of separating low-frequency audio signals from high-frequency signals.

ADSL话音 分离器在ADSL宽带网线路中起到分离低频话音信号和高频数据信号的作用.

An improved speech/ silence detector is developed by combining a noise parameter estimation method based on short time stationarity of speech signal with a statistical model based speech/ silence detection method.

基于语音信号短时平稳性以及语音信号和噪声的统计模型，提出了一种语音信号有声/无声的检测方法.该方法可对所有语音短时帧更新噪声参数的估值，因而提高了检测的准确性。

But never news of Ashley.

然而艾希礼毫无音信.

An in-depth study on Korotkoff sound processing was carried out. Firstly, based on the analysis of Korotkoff sound signal generation mechanism, spectrum, intensity, and noise characteristics, a Korotkoff sound synthesis process is designed.

首先，在分析柯氏音信号的产生机理、频谱、声强，以及信号中噪声干扰特性的基础上，设计了柯氏音信号综合处理过程。

Have you heard from your parents recently?

4最近接到父母的音信了 吗 ?

Audio signals can be transmitted along cables without distortion.

声音信号可以通过电缆传送而不失真。

In this paper , we investigated and analyzed the sound signals arisen during no-load planer operation.

在刨床的运转过程中,会产生一定的声音信号,而且这种声音信号自身具有一定的特征.

She has produced several voice training videos and features on mobile answerphone and automated text messages.

她曾录过许多训练语音的视频教程和电话语音信箱的声音.

Voiceprint recognition recognizes speakers, and it does not recognize contents of the pronunciation signal of speaker, but the identity of the speaker of the pronunciation signal.

声纹认证不是认证语音信号的文字内容，而是认证发出语音信号的说话人的身份。

The messenger brought tidings of the battle.

信差带来战役的音信.

The messenger brought tidings from the battle front.

信差带来前线的音信.

Our fax machine differentiates between an incoming fax signal and a voice call.

我们的传真机能区分接收传真信号和语音信号.

Using Wavelet Transform to detect the Glottal Closure Instant ( GCI), proposed pitch-synchronization and sample selection LP analysis based on the GCI information, the obtained parameters would be saved in the speech database.

利用小波变换检测语音信号的声门闭合时刻（GCI），利用语音信号的GCI进行基音同步和样本选择的多脉冲线性预测分析，将得到的语音参数保存到语音库中。

So in this paper a recognition algorithm of heart sound based on probabilistic neural networks ( PNN) is proposed to improve the accuracy of heart sound recognition.

在综合分析以前各种心音识别算法的基础上，本文提出了一种基于概率神经网络PNN的心音信号识别算法，将概率神经网络作为心音信号分类器，取得了较好的识别效果。

I have heard nothing from him yet.

我尚未接到他的任何音信.

I have heard nothing from him up to now.

迄今为止我没得到他一点音信.

What happened to Edith Jones? I've lost touch with her.

伊迪丝.琼斯怎麽了? 我一直没听到她的音信.

We have received no information so far.

迄无音信.

Aimed at non-stationary and time-correlation property of the natural speech signals, a new online time-domain blind separation algorithm is proposed for convolutive mixtures of natural speech.

针对语音信号所具有的非平稳性和时域相关性，提出了一种新的卷积混合语音信号盲分离的在线时域算法。

On the basis of analyzing the relation between the coronary artery block and the diastolic murmurs, firstly this paper studied the preprocessing of PCG ( denoising and segmentation), the diastolic periods were positioned;

在分析了冠状动脉堵塞与舒张期心音关系的基础上，首先研究了心音信号的预处理（消噪和分段），对舒张期心音信号进行了定位；

It's terrible to hunger for news when the family's letters don't arrive!

盼望音信而家书却不到,那滋味可真是难受 啊 !

The whole hardware parts include electrocardio signal processing hardware circuit, heart sounds signal processing hardware circuit and pulse wave processing hardware circuit.

硬件部分有：心音信号硬件部分，心音信号硬件部分和脉搏波硬件部分。

In the selective attention paradigm subjects were asked to respond as soon as possible when hearing the odd numbers ( target signal) and to withhold when hearing the even numbers ( non-target signal).

在选择注意试验中要求受试者对听到的奇数语音信号（靶信号）用右手作按键反应，对偶数语音信号（非靶信号）不按键。

The quality of speech recorded in the complicated practical situation such as railway, factory, etc is poor due to the big background noise and the weak speech signal, sometimes the speech signal can not even be clearly obtained.

在铁路、工厂等环境比较复杂的实际情况（如背景噪声较大、语音信号较弱等）下录取的语音质量比较差，在某些情况甚至不能获得清晰的语音信号。

The good tidings were received with shouts of joy.

好音信受到欢乐的呼喊.