前掩蔽效应受多种刺激参数的影响和调节。
Forward masking is affected and regulated by many stimulus parameters.
国内外尚无人对冰力掩蔽效应进行专门研究。
There are few researches in the shield effect on ice force been reported in the world.
提出了一种基于听觉掩蔽效应的语音增强算法。
A speech enhancement algorithm based on auditory masking effect is presented.
探讨了在双通路立体声条件下的双耳掩蔽效应。
The binaural masking effect under stereophonic condition is mainly studied in this paper.
采用了一种基于人耳听觉掩蔽效应的语音增强算法。
An approach to speech enhancement based on auditory masking properties is presented.
文章提出了一种基于频率掩蔽效应的自适应音频数字水印算法。
An adaptive audio digital watermarking method based on frequency masking is proposed in this paper.
掩蔽效应非常良好的形象,你可以用它来创建横幅,有更多的图片库!
Very nice image masking effect, you can use to create banner, picture gallery any many more!
将人耳的掩蔽效应引入增强算法中,从而提高语音的清晰度和舒适度。
This paper also takes the masking effect to the enhancement algorithm, improving voice's clarity and comfort.
算法利用人耳的听觉掩蔽效应动态确定每一帧的权值,有选择地增强。
The masking of the auditory system is used to determine the value of each frame dynamically and the enhancement is performed selectively.
因此,本文又详细分析了掩蔽效应原理,并分析了其在音频编码中的应用。
As a result, the thesis analyzes the mask effect theory, and discusses its application in audio encoding.
并利用视觉掩蔽效应自适应地选择嵌入强度,使得不可见性和鲁棒性得到很好的折中。
Using HVS to choose the adaptive strength of embedding, it has a better invisibility and robustness.
利用人耳的语音感知特性中的掩蔽效应,提出一种基于听觉掩蔽效应的语音增强方法。
A new method based on masking properties of human ear for speech enhancement is proposed.
由于考虑了时域掩蔽效应来设置检测门限和有效瞬态点间隔,非常适用于感觉音频编码。
Because of considering the temporal masking effects to set up a threshold and the valid hop size of transient points, this method is very suitable for perceptual audio coding.
提出一种利用人耳的掩蔽效应,将图像隐藏于音频信号中,实现图像在音频中隐秘传输的算法。
An algorithm was presented, which hided the image in audio signal based on the masking effect, the image could be transmitted in audio secretly.
不同声压级下窄带噪声对纯音同时掩蔽效应的实验结果表明:掩蔽曲线可以用两段直线来近似。
Experiments on simultaneous mask effect where tones were masked by narrow-band noises with different SPL showed that the masking curve could be approximated as two segments of straight line.
其次,本文研究了人耳听觉掩蔽特性,并将听觉掩蔽效应应用于多频带谱减的语音增强方法中。
Then human auditory masking is studied where its characteristic is combined with the multi-band spectral subtraction method.
文中提出一种基于听觉掩蔽效应的音频数字水印算法,根据掩蔽阈值在DCT低频系数中嵌入水印。
Watermarking embedding algorithm based on auditory masking is proposed in this paper, which embeds watermarking based on masking threshold in low-band coefficients of DCT transformation.
方法使用微持续、微间隔方法,调节刺激物的显示屏数,根据目标的对比度变化来判定掩蔽效应的强弱。
Methods Micro-persistence and interval process, modulate the displaying screen number of the stimulators to determine the strength of masking effect by the contrast of object.
介绍了人耳生理系统和掩蔽效应的特性,并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。
By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.
摘要提出了基于临界频带率、依赖于强度的扩展函数、非线性迭加和前向掩蔽效应的参数心理声学模型。
A parametric psychoacoustic model based on critical band rate, level - dependent spreading function, non - linear superposition and forward masking was proposed.
新算法通过提取混合语音输入中的有效语音时频成分并利用人耳的听觉掩蔽效应重构合成增强语音输出信号。
The useful speech time frequency components can be picked up successfully by the proposed algorithm, and they are used to reconstruct the enhanced outputs.
本文在充分讨论现有语音及音频编码技术的基础上,提出了一种基于掩蔽效应的CNG技术,并实现了该算法。
By discussing the existing voice and audio encoding technology, the thesis designs an CNG algorithm which is based on the mask effect theory.
结果掩蔽物的显示屏数增加时,掩蔽效应加强;目标的显示屏数以及ISI的屏数增加时,掩蔽效应逐渐减弱。
Results Masking effect strengthening with the increasing screen number of the masks, while declined with the increasing screen number of objects and ISI.
在感知加权处理中充分利用了人耳的掩蔽效应,设计了感知加权滤波器,对谱减法增强后的语音进行滤波,进一步消除残余噪声。
And in perceptual weighting stage, auditory masking effect is used. A perceptual weighting filter is designed to filter the enhanced speech by spectral subtraction so as to remove residual noise.
由于视觉系统具有一些视觉掩蔽效应,因此基于视觉特性的图像隐写算法可以在保证较大的数据嵌入量的同时,使得隐写图像保持良好的视觉效果。
Human visual system has some masking effects, that is the reason why steganography based on the characteristic of HVS has good visual imperceptibility and large payload.
事实上,在第一种情况下存在一些相关的掩蔽效应,相反,第二种情况导致了普通的视觉可视化,为数不多的可预料的数据模型中很少有隐含意义。
In fact, in the first case there are relevant masking effects, instead, the second case leads to common data visualization and rarely hidden meanings from few patterns of data can be expected.
本文将时频掩蔽效应引入盲源分离语音增强系统中,给出一种基于时频掩蔽效应和盲源分离的语音增强方法,并将其与期望最大化方法进行了性能比较。
To obtain clearer desired signal under multi-speaker environment, the time-frequency masking effect is used in post-processing of speech enhancement using blind source separation.
本文将时频掩蔽效应引入盲源分离语音增强系统中,给出一种基于时频掩蔽效应和盲源分离的语音增强方法,并将其与期望最大化方法进行了性能比较。
To obtain clearer desired signal under multi-speaker environment, the time-frequency masking effect is used in post-processing of speech enhancement using blind source separation.
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