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语音识别中的两种特征提取方法lpcc和mfcc,还有一个是文本无关的识别算法dtw,另外还有一个是预处理消噪部分的。共享一下,这些都是我调试过的,好用。-Speech Recognition two feature extraction methods and mfcc lpcc. There is a text-independent recognition algorithm dtw, in addition to a pretreatment is part of the noise so
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语音识别模块的性能指标:
高识别率:在一定的硬件环境下,平均准确率可达97%;
端点检测:在识别过程,具备端点检测功能;
实时识别:具有唤醒功能;
环境噪音:一定范围之内,仍可保证高识别率-speech recognition module performance indicators : high recognition rate : some of the hardware environment, average accuracy rate of up t
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语音端点检测是语音识别中至关重要的技术。无论军用还是民用,语音端点检测都有着广泛的应用。在低信噪比的环境中进行精确的端点检测比较困难,尤其是在无声段或者发音前后-voice activity detection is critical speech recognition technologies. Whether military or civilian, voice endpoint detection have broad application. Low signal-to-noise
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ETSI发布的用于研究分布式语音识别的前端降噪代码-ETSI issued for the study of Distributed Speech Recognition front Noise Code
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ETSI发布的用于研究分布式语音识别的前端降噪算法-ETSI issued for the study of Distributed Speech Recognition front Noise Reduction Algorithm
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ETSI发布的用于研究分布式语音识别的前端降噪算法-ETSI issued for the study of Distributed Speech Recognition front Noise Reduction Algorithm
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ETSI发布的用于研究分布式语音识别的前端降噪算法-ETSI issued for the study of Distributed Speech Recognition front Noise Reduction Algorithm
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An Effective Subband OSF-Based VAD With Noise Reduction for Robust Speech Recognition
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噪声环境下说话人识别性能的研究,大家可以参考下,很好的参考资料,适合做论文的毕业生们。-Noise performance of speaker recognition research, we can refer to, the very good references, papers suitable for graduates.
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波形和频谱双显示
记录讲话直接进入MATLAB
手动分割讲话波形-创建标签文件
波形编辑-切割,复制或粘贴
共振峰分析-显示共振轨道的F1 , F2和F3
基音分析
过滤工具-语音信号滤波器截止频率
比较工具-比较两个波形的频谱距离使用几种措施
增加噪声-Dual time-waveform and spectrogram displays
Records speech directly into MATLAB NEW
Displays time-a
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噪声环境下的说话人识别技术研究,论文。供研究语音识别的人员参考,学习。-Noise environments Speaker Recognition Technology, Thesis. Research on speech recognition for staff members to learn.
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识别正确率和抗噪性能是语音识别的研究重点,而识别响应速度也是决定系统实用化的关键 文章改进了传统的动态时间弯折算
法结构,将其应用于实时说话人辨识系统中,极大地提高了系统运行速度,随着待识别语音数目的增多,该算法优势更加明显 实验表明,
在不影响系统识别率的情况下,该方法使系统的运行速度平均提高了1.5 倍-Identify the correct rate and the anti-noise performance is the focus of speech recognition
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duction techniques proposed in the art are expressed as a spectral
gain depending on the a priori SNR. In the well-known decision-
directed approach, the a priori SNR depends on the speech spec-
trum estimation in the previous frame. As a conse
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语音识别系统,在静音环境比较准确,但是假若有噪音或者其他情况会有问题,附预处理部分-Speech recognition system, in the quiet environment is accurate, but if there are noise problems or other conditions will be attached to some pretreatment
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语音增强是影响语音识别系统性能的重要成分。为了比较语音增强算法的性能,采用Matlab软件进行了数值仿真,对不同噪声环境下的语音用3种不同的方法进行降噪,采用信噪比、端点检测等方法来降噪效果,并对几种增强算法的性能进行了比较分析。结果表明,在变噪声环境下短时谱MMSE法最佳,谱减法和维纳滤波法各有优点。-Speech enhancement of voice recognition is an important component of system performance. In order
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基于抗噪语音识别的计算机声控系统的实现,将抗噪语音识系统运行于windows上实现windows操作系统的一些简单命令-Anti-noise speech recognition based on voice-activated computer system implementation, the anti-noise voice-identification system is running on windows operating system windows to achieve a
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论文首先介绍了传统的语音特征参数MFCC,它是基于人耳听觉
特性设计的一种特征参数,在静音环境下能得到较高的识别率,但在
信噪比较低时识别率急剧下降,不利于实用化。本文通过对MFCC算
法的分析和研究,发现其中的FFT和DCT在整个时频空间使用固定的
。分析窗,这不符合语音信号特性,而小波变换具有多分辨率特性,更
符合人耳的听觉特性。因此,本文将小波变换和MFCC算法相结合,
提出了三种新的语音识别特-Speech recognition has wide use in
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An integrated study of speaker normalisation and HMM
adaptation for noise robust speaker-independent speech
recognition
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A robust speech recognit ion system based on discriminative learning of environmental features is
proposed for recognit ion of environmental features in high noise background, and a g radient descent algo
rithm was adopted for parameter
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一种低复杂度的噪声谱跟踪算法,用于语音增强和语音识别中,文件夹内有参考文献。-A low noise spectral tracking algorithm complexity, for speech enhancement and speech recognition, there are references folder.
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