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搜索资源 - Psychoacoustic model
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aacencoder,相对于原有的AAC编码器,使用MDCT+MDST代替了MDCT+FFT,心理声学模型略有改动(上载者未提供密码,请发邮件向提供者要)-aacencoder, compared to the original AAC encoder, the use of MDCT 291800Z instead of MDCT FFT, psychoacoustic model with slight changes (available did not provide password,
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比较经典的根据MPEG1心理声学模型计算人耳掩蔽曲线的源代码-more classic under MPEG1 psychoacoustic model ear masking curve of the source code
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一个定点版的mp3编码源代码,无需心理声学模型-an mp3 version of the source code without Psychoacoustic Model
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伪随机码或称PN码,是扩频通信中不可缺少的一种序列。扩频通信,简单的说来就是通过一组相关性很强的伪随机序列,使原有的信号按照伪随机序列的特性出现。从波形上看,原有信号完全淹没于随机的噪声中,达到隐藏信号和抗干扰的目的。接受方只要有相同的伪随机序列,就可以通过伪随机序列很强的相关性将信号还原出来。而m序列,是扩频系统中最长用的伪随机序列。下面的代码就是基于matlab的生成m序列的代码,通过改变初始多项式的值,就可以生成不同阶数的m序列。,Pseudo-random code or PN code
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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
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有关心理声学模型的一段程序,偶然中发现,希望有所帮助-a programme about psychoacoustic model
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A Novel Audio Watermarking Algorithm for
Copyright Protection of Digital Audio
Abstract
Digital watermark technology is now drawing attention
as a new method of protecting digital content from unauthorized
copying. This paper presents a nov
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MATLAB制作的心理声学模型源码,用于音频编码的研究。-MATLAB produced source psychoacoustic model for audio coding research.
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实现MPEG-1标准中心理声学模型I的具体计算过程。-To achieve the standard MPEG-1 psychoacoustic model I in the specific calculation process.
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MONOGRAM MPEG Audio Encoder 0.9-after a while there’s yet another new encoder available :). I have created an MPEG Layer 2 encoder based on the libavcodec (ffmpeg) source code. Unluckily the libavcodec encoder lacks a nice psychoacoustic model so I’m
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实现音频中添加数字水印的matlab程序-Add audio digital watermarking matlab program
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This is an implementation of the MPEG psychoacoustic model 1, layer I, for MATLAB. It has been tested on MATLAB 5.2 running on Windows NT.
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音频编码技术与标准介绍包括语音编码技术和音频编码技术
PCM、ADPCM、SB-ADPCM、线性预测、CELP、ACELP
心理声学模型、时频变换、窗切换、时域噪声整形、带宽扩展、立体声编
码、空间音频编码-Audio coding technology and standards introduced, including voice coding techniques, and audio coding technology ⣶
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Matlab的MPEG程序. 它是MPEG心理声学模型的MatLab实现。-Matlab Program of MPEG. This is an implementation of the MPEG psychoacoustic model 1,
layer I, for MATLAB.
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基于Matlab的心理声学模型程序,喜欢的可以研究研究
-Psychoacoustic model based on Matlab program, like research can be studied
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MP3解码算法原理文章两篇,详细分析了子带编码,心理声学模型-MP3 decoding algorithm principle of article two, a detailed analysis of the sub-band coding, psychoacoustic model
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matlab环境下开放的心理声学模型,基于Matlab标准,包括FFT分析,掩蔽阈值分析等-psychoacoustic model open in the Matlab environment, Matlab-based standards, including FFT analysis, masking threshold analysis
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一种低复杂度的基于听觉感知的高效心理声学模型语音质量客观评估算法,目前已经被ITU-T标准采纳为P.862标准,
对大家深入理解P.862标准有很大的帮助,在学术工作者和从事这方面的工作工程技术人员都很有用-An efficient auditory perception based psychoacoustic model objective speech quality assessment of low complexity algorithms, has now been adopt
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MPEG psychoacoustic model I for MATLAB
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心理声学模型及其在MP3编码中的应用,详细介绍其中的流程图,及核心公式。-Psychoacoustic model and its application in the MP3 encoding, the flow chart and the core formula.
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