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encoder
- Implementation of a speech codec based on coding of speech at 8 kbit/s using conjugate-structure algebraic-code-excited linear-prediction (CS-ACELP) - We took .wav files that is sampled at 8000 Hz using 16-bit line
16QAM
- 16QAM因其高频谱利用率而被第三代移动通信增强型技术HSDPA采用。由于Turbo译码需要软信息输入，因此，解调输出需要计算比特软信息（LLR）。本文分析了LLR理论算法并在此基础上导出了简化算法。-16QAM its high spectral efficiency have been enhanced third-generation mobile communication technology HSDPA use. Turbo
daopufenxi
- 倒谱分析 倒谱分析是指信号短时振幅谱的对数傅里叶反 变换。它具有可近似地分离并提取出频谱包络信息 和细微结构信息的特点-Cepstrum analysis cepstrum analysis is the signal amplitude spectrum on the number of short-time Fourier inverse transform. It has can be approximately isol
2009101511335102
- 谱减法是一种比较简单的语音降噪的方法，在语音信号具有较高的信噪比的情况下具有良好的降噪功能。 -Spectral subtraction is a relatively simple pronunciation methods of noise in speech signal with high signal-to-noise ratio (SNR) of cases with good noise function.
SpeechEnhancement_SS
- Speech Enhancement Using Spectral Subtraction A Spectral Subtraction implementation for speech enhancement using MATLAB 6.5
Scrosspectrum
- 一维连续功率谱分析 一维序列x(n)的连续功率谱分析，ol(0:m)频率，tl(0:m)周期，sl(0:m)连续功率谱，st95(0:m)红噪音或白噪音谱的95 置信上限，strw(0:m) 红噪音或白噪音的谱密度，其中m=[n/2.]。 -Continuous power spectral analysis of one-dimensional one-dimensional sequence x (n) of continuo
LogSpectralDistance_LP
- 计算源信号和噪音之间的频谱差，用于噪音估计等。-Calculates the average log-spectral distance between CLEAN and NOISY signals
coherencee mvdr
- —The minimum variance distortionless response (MVDR) approach is very popular in array processing. It is also employed in spectral estimation where the Fourier matrix is used in the optimization process. First, we
AFCooperativeDiversutyNumericResult
- AF协作分集信道与M-QAM自适应调制技术的系统频谱效率分析-AF cooperative diversity channels with M-QAM adaptive modulation spectral efficiency of the system
vuvuzela_sound_cancelation
- Based on the spectrum of the vuvuzela sound, this denoising technique simply computes an antenuation map in the time-frequency domain. Then, the audio signal is restored by computing the inverse STFT. See [1] or [2] for
Speech-Coder-using-Line-Spectral-Frequencies-of-Ca
- Speech Coder using Line Spectral Frequencies of Cascaded Second Order Predictors --Thesis submitted to the Faculty of The Bradley Department of Electrical and Computer Engineerin Virginia Polytechnic Institute and Stat
yuyinjiemian
- 语音文件分段功率谱密度分析程序,以一定界面形式在屏幕上提示用户输入语音信号，检索语音文件数据区，显示分段功率谱密度统计参数-Sub-power spectral density voice file analysis program, to a certain form interface screen prompts the user to input speech signal, retrieve the voice file da
modelbasedonspectrumprediction
- 文章展示了基于高斯混合模型的语音频谱预测方法。频谱预测可能在传包过程中预防丢包这方面起到大作用。期望最大化算法用两倍或三倍的连续语音因素来测试模型。模型被用来设计第一，儿等指令预测量。预测表用频谱分配状态来估计并和一个简单的参考模型对比。最好的预测表得到一个平均频率扭曲值是0.46dB小于参考模型-This paper presents methods for speech spectrum prediction based on
graph-hashing
- 图像的谱哈希算法，输入图像，然后提取图像的gist特征，经过谱哈希算法，产生哈希序列-Spectral image hash algorithm, the input image, and then extract the image of the gist features through spectral hash algorithms produce hash sequence
BERd2
- 在不同的信道条件下计算第一类优先级数据平均频谱效率的MATLAB函数-In different channel conditions, the first class priority data calculated the average spectral efficiency of the MATLAB function
xingtaichonggou
- 些成熟的瓜果果实在单一的光谱图像中，果与叶的灰度值只存在微小差异，常用的图像分割方法不足以把果与叶区分开，为此，提出一种基于多光谱图像融合的形态学重构分割方法。-More mature fruits and fruit in a single spectral image, the fruit and leaves only a minor difference in gray scale, commonly used image se
silenceRemoval
- his a simple method for silence removal and segmentation of audio streams that contain speech. The method is based in two simple audio features (signal energy and spectral centroid). As long as the feature sequences are
SCF_for_QPSK_QAM
- This Program draw spectral correlation function of mixed two signal based on QPSK and QAM
QPSKPSD
- matlab实现QPSK四相相移键控信号功率谱密度-matlab implementation QPSK quadrature phase shift keying signal power spectral density
Boll_Spectral_Subtraction
- Boll Spectral Subtraction