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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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PersonalRecord
非常实用的java小实例，个人录音，实现了很简单的小功能，对于我们初学者很有帮助哦，拿来分享给大家。(Very practical examples of java small, personal recording, to achieve a very simple little feature, very helpful for us beginners Oh, bring to others.)

2011-12-06 10:21:11下载

积分：1
jmnhb
是信号处理的基础，完整的基于HMM的语音识别系统，外文资料里面的源代码。( Is the basis of the signal processing, Complete HMM-based speech recognition system, Foreign materials inside the source code.)

2017-04-17 15:26:58下载

积分：1
mfccPSVM
本实例程序是基于matlab的语音识别程序，通过提取传统的MFCC特征集，采用当前流行的SVM分类器，作为对比实验是一个不错的选择。(This example program is popular SVM classifier matlab speech recognition program to extract MFCC feature set, as a comparative experiment is a good choice. )

2012-07-04 15:19:10下载

积分：1
matlab_based_adaptive_system_emulation
基于matlab的自适应仿真，其算法都是LMS算法，有系统辨识，噪声对消，自适应滤波器，陷波器，图像的DCT变换(adaptive emulation based on LMS,include system recognise,noise canceler,adaptive filter,dct transform)

2020-06-30 15:20:02下载

积分：1
Hello_yysb
科大讯飞语音转文字源码是一个基于科大讯飞的语音转文字的例子源码，小编测试一下表示被着准确率惊呆了，之前小编用过其他的语音搜索类的工具，但是准确率总是不那么满意，用这个例子我试着读了杂志上的一段话，语速还略微快了一些，但是转换出来的文字只有两个字跟原文不一样，但是还是同音字。(IFLYTEK speech text source is a turn based on iFLYTEK speech text examples of the source code, test bit representation of the being accurate rate was shocked, before Xiaobian used other voice search tool, but the accuracy is always not so satisfactory, for this example I try to read a passage in the magazine, speed is slightly faster, but convert text only two words with the original text is not the same, but still homophones.)

2016-07-05 11:06:38下载

积分：1
estimation_image
基于语音的人类年龄自动估计算法实现，效率比较高(voice-based human age estimation algorithm automatically to achieve more efficient)

2012-02-13 16:38:28下载

积分：1
语音识别与合成入门2（内有matlab源码）
语音识别与合成入门2，word或压缩包中内有matlab源码(speech recognition and synthesis 2 entry, word or compressed packages within Matlab FOSS)

2020-11-25 18:49:32下载

积分：1
AudioG711
G711标准的语音编解码算法。以便于对语音信号进行大量存储(speech coding)

2010-10-10 20:15:03下载

积分：1
qpso
量子粒子群算法应用。对三个水听器的位置定位，在假设水听器位置已知情况下，以及其他方法估计得到的时延，通过量子粒子群算法计算，验证量子粒子群算法的计算精度。(Quantum particle swarm optimization application. Position location of the three hydrophones in the hydrophone position assumed known case, and other methods for estimating time delay obtained by calculating the quantum PSO QPSO verify the accuracy of the algorithm.)

2017-04-22 19:29:54下载

积分：1
Td-psolaPitchDuration
使用TD-PSOLA（td-psola、psola）算法，做了一个语音合成，实现语音声调的变调，时长的变化等功能。参考praat源码，提取出其合成方法，效果不错。需要提供pitchtier、durationtier、pointprocess等准换信息文本（可由praat产生）供readfile函数读入(Use TD-PSOLA (TD-PSOLA, PSOLA algorithm, made a speech synthesis, speech tone tone sandhi, long-term changes in the function. Reference Praat source code, extract its synthetic method, the effect of the same.)

2021-03-13 14:59:24下载

积分：1

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