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PsychoacousticModel

于 2009-07-12 发布文件大小:2312KB

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下载积分: 1 下载次数: 134

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代码说明：

matlab代码，语音的压缩和编码，主要利用了心理声学模型，得到低比特编码和高质量语音(matlab code, voice compression and coding, psychoacoustic model used by low-bit encoding and high-quality voice)

文件列表：

Psychoacoustic Model
....................\check_maskers.m
....................\dbinv.m
....................\encode.m
....................\filterBanks8.m
....................\findThreshold.m
....................\find_tones.m
....................\global_threshold.m
....................\hz2bark.m
....................\invquantization.m
....................\iq.m
....................\mask_threshold.m
....................\modern_8_after.wav
....................\modern_before.wav
....................\modern_full_after.wav
....................\modern_narrow_after.wav
....................\noise_masker.m
....................\normalize.m
....................\performEncoding.m
....................\plots.m
....................\psd.m
....................\pureSine.m
....................\q.m
....................\quantization.m
....................\readInput.m
....................\sinClose_16_after.wav
....................\sinClose_8_after.wav
....................\sinClose_before.wav
....................\sinClose_full_after.wav
....................\sinClose_narrow_after.wav
....................\sineClose.m
....................\sineFar.m
....................\sinFar_16_after.wav
....................\sinFar_8_after.wav
....................\sinFar_before.wav
....................\sinFar_full_after.wav
....................\sinFar_narrow_after.wav
....................\sin_16_after.wav
....................\sin_8_after.wav
....................\sin_before.wav
....................\sin_full_after.wav
....................\sin_narrow_after.wav
....................\test11_8_after.wav
....................\test11_before.wav
....................\test11_full_after.wav
....................\test11_narrow_after.wav
....................\test9_8_after.wav
....................\test9_before.wav
....................\test9_full_after.wav
....................\test9_narrow_after.wav

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Voice-conversion
源－目标说话人声音转换的学位论文：源－目标说话人声音转换则是指将源说话人的语音模式转换成某个指定的特定目标说话人的语音模式，即保持源说话人原有的语音信息内容不变，使转换后的语音具有目标说话人的声音特点。(Source- target speaker voice conversion refers to the source speaker voice patterns into a designated target speaker-specific speech patterns, that is, the source speaker to keep the original voice message unchanged, so that the converted speech with the goal of the speaker s voice characteristics.)

2011-01-19 22:33:56下载

积分：1
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语音识别,有GUI界面，实现0~9数字语音识别(speaker identification)

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2013-11-27 14:01:11下载

积分：1
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这是语音播放接口组件，将语音数据输入，会播放声音。经过测试确保可用。(This is the voice player interface module, the voice data input, will play the sound. After testing to ensure that the.)

2016-11-11 16:57:53下载

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核磁共振（NMR）技术探测地下水是目前唯一的直接找水的地球物理方法。与传统的地球物理方法相比具有高分辨力，高效率，信息量丰富和解唯一性等优点。利用核磁共振地下水探测系统可以高效率地进行区域水文地质调查，确定找水远景区，圈定地下水在三维空间内的分布，进而可靠地选定水井位置等。但是由于水中氢核产生的核磁共振信号的幅度小（纳伏级），要求探测系统的灵敏度高，将引入大量的自然和人为噪声，导致采集信号的信噪比低，解释结果不清楚。本文用LMS自适应算法提高MRS信号的信噪比，用Hilbert变换提取MRS信号的包络信号，用线性拟合提取水文地质参数并通过仿真实验结果，验证了本文提出的数据处理方法的有效性和准确性。 (Nuclear magnetic resonance (NMR) technique to the detection of direct water division is the only geophysical method to find water. Compared with conventional high-resolution geophysical methods, efficient, informative unique advantages of reconciliation. Groundwater exploration using nuclear magnetic resonance system can efficiently carry out the regional hydrogeological investigation to determine the prospective areas to find water, delineation of ground water distribution in three-dimensional space, and then reliably the location of the selected wells. However, because the water proton NMR signal amplitude generated by small (Na V level), requiring high sensitivity detection systems, will introduce a large number of natural and man-made noise, resulting in low signal to noise ratio acquisition, interpretation of results is not clear. In this paper, LMS adaptive algorithm improves the MRS signal to noise ratio, with the Hilbert transform to extract the signal envelope MRS signal ext)

2013-05-15 20:23:30下载

积分：1
lbg_vq
LBG-vector quantization algorithm

2013-04-25 09:00:17下载

积分：1
lpcc-matlab
matlab程序，从语音中提取lpcc，可以修改维数，带详细中文解释，方便阅读。(matlab program, extracted from voice lpcc, you can modify the dimension, with a detailed explanation of the Chinese, and easy to read.)

2012-11-01 22:02:05下载

积分：1
mfcc
谱减去，最常用的程序，实习除噪，语音增强(To achieve denoising)

2012-05-08 15:39:06下载

积分：1
dtw
本资料是自己编写的基于MATLAB语音工具箱的DTW动态时间规整的说话人识别，具有很高的识别率(This information is written in their own voice-based MATLAB toolbox DTW dynamic time warping speaker recognition with high recognition rate)

2010-03-03 14:34:17下载

积分：1
LMSsimulationforAdaptiveEqualizer
MATLAB仿真LMS算法完整源代码，仿真结果分析，及仿真图示(MATLAB simulation of LMS algorithm complete source code, simulation results analysis, and simulation icon)

2007-08-22 13:26:22下载

积分：1

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